vue/packages/vue-server-renderer/build.js

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'use strict';
Object.defineProperty(exports, '__esModule', { value: true });
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function _interopDefault (ex) { return (ex && (typeof ex === 'object') && 'default' in ex) ? ex['default'] : ex; }
var he = _interopDefault(require('he'));
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/* */
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var emptyObject = Object.freeze({});
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// these helpers produces better vm code in JS engines due to their
// explicitness and function inlining
function isUndef (v) {
return v === undefined || v === null
}
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function isDef (v) {
return v !== undefined && v !== null
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}
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function isTrue (v) {
return v === true
}
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function isFalse (v) {
return v === false
}
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/**
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* Check if value is primitive
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*/
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function isPrimitive (value) {
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return (
typeof value === 'string' ||
typeof value === 'number' ||
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// $flow-disable-line
typeof value === 'symbol' ||
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typeof value === 'boolean'
)
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}
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/**
* Quick object check - this is primarily used to tell
* Objects from primitive values when we know the value
* is a JSON-compliant type.
*/
function isObject (obj) {
return obj !== null && typeof obj === 'object'
}
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/**
* Get the raw type string of a value e.g. [object Object]
*/
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var _toString = Object.prototype.toString;
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function toRawType (value) {
return _toString.call(value).slice(8, -1)
}
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/**
* Strict object type check. Only returns true
* for plain JavaScript objects.
*/
function isPlainObject (obj) {
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return _toString.call(obj) === '[object Object]'
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}
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/**
* Check if val is a valid array index.
*/
function isValidArrayIndex (val) {
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var n = parseFloat(String(val));
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return n >= 0 && Math.floor(n) === n && isFinite(val)
}
/**
* Convert a value to a string that is actually rendered.
*/
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function toString (val) {
return val == null
? ''
: typeof val === 'object'
? JSON.stringify(val, null, 2)
: String(val)
}
/**
* Convert a input value to a number for persistence.
* If the conversion fails, return original string.
*/
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function toNumber (val) {
var n = parseFloat(val);
return isNaN(n) ? val : n
}
/**
* Make a map and return a function for checking if a key
* is in that map.
*/
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function makeMap (
str,
expectsLowerCase
) {
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var map = Object.create(null);
var list = str.split(',');
for (var i = 0; i < list.length; i++) {
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map[list[i]] = true;
}
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return expectsLowerCase
? function (val) { return map[val.toLowerCase()]; }
: function (val) { return map[val]; }
}
/**
* Check if a tag is a built-in tag.
*/
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var isBuiltInTag = makeMap('slot,component', true);
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/**
* Check if a attribute is a reserved attribute.
*/
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var isReservedAttribute = makeMap('key,ref,slot,slot-scope,is');
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/**
* Remove an item from an array
*/
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function remove (arr, item) {
if (arr.length) {
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var index = arr.indexOf(item);
if (index > -1) {
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return arr.splice(index, 1)
}
}
}
/**
* Check whether the object has the property.
*/
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var hasOwnProperty = Object.prototype.hasOwnProperty;
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function hasOwn (obj, key) {
return hasOwnProperty.call(obj, key)
}
/**
* Create a cached version of a pure function.
*/
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function cached (fn) {
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var cache = Object.create(null);
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return (function cachedFn (str) {
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var hit = cache[str];
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return hit || (cache[str] = fn(str))
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})
}
/**
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* Camelize a hyphen-delimited string.
*/
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var camelizeRE = /-(\w)/g;
var camelize = cached(function (str) {
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return str.replace(camelizeRE, function (_, c) { return c ? c.toUpperCase() : ''; })
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});
/**
* Capitalize a string.
*/
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var capitalize = cached(function (str) {
return str.charAt(0).toUpperCase() + str.slice(1)
});
/**
* Hyphenate a camelCase string.
*/
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var hyphenateRE = /\B([A-Z])/g;
var hyphenate = cached(function (str) {
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return str.replace(hyphenateRE, '-$1').toLowerCase()
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});
/**
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* Simple bind polyfill for environments that do not support it... e.g.
* PhantomJS 1.x. Technically we don't need this anymore since native bind is
* now more performant in most browsers, but removing it would be breaking for
* code that was able to run in PhantomJS 1.x, so this must be kept for
* backwards compatibility.
*/
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/* istanbul ignore next */
function polyfillBind (fn, ctx) {
function boundFn (a) {
var l = arguments.length;
return l
? l > 1
? fn.apply(ctx, arguments)
: fn.call(ctx, a)
: fn.call(ctx)
}
boundFn._length = fn.length;
return boundFn
}
function nativeBind (fn, ctx) {
return fn.bind(ctx)
}
var bind = Function.prototype.bind
? nativeBind
: polyfillBind;
/**
* Convert an Array-like object to a real Array.
*/
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/**
* Mix properties into target object.
*/
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function extend (to, _from) {
for (var key in _from) {
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to[key] = _from[key];
}
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return to
}
/**
* Merge an Array of Objects into a single Object.
*/
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function toObject (arr) {
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var res = {};
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for (var i = 0; i < arr.length; i++) {
if (arr[i]) {
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extend(res, arr[i]);
}
}
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return res
}
/**
* Perform no operation.
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* Stubbing args to make Flow happy without leaving useless transpiled code
* with ...rest (https://flow.org/blog/2017/05/07/Strict-Function-Call-Arity/)
*/
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function noop (a, b, c) {}
/**
* Always return false.
*/
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var no = function (a, b, c) { return false; };
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/**
* Return same value
*/
var identity = function (_) { return _; };
/**
* Generate a static keys string from compiler modules.
*/
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function genStaticKeys (modules) {
return modules.reduce(function (keys, m) {
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return keys.concat(m.staticKeys || [])
}, []).join(',')
}
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/**
* Check if two values are loosely equal - that is,
* if they are plain objects, do they have the same shape?
*/
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function looseEqual (a, b) {
if (a === b) { return true }
var isObjectA = isObject(a);
var isObjectB = isObject(b);
if (isObjectA && isObjectB) {
try {
var isArrayA = Array.isArray(a);
var isArrayB = Array.isArray(b);
if (isArrayA && isArrayB) {
return a.length === b.length && a.every(function (e, i) {
return looseEqual(e, b[i])
})
} else if (!isArrayA && !isArrayB) {
var keysA = Object.keys(a);
var keysB = Object.keys(b);
return keysA.length === keysB.length && keysA.every(function (key) {
return looseEqual(a[key], b[key])
})
} else {
/* istanbul ignore next */
return false
}
} catch (e) {
/* istanbul ignore next */
return false
}
} else if (!isObjectA && !isObjectB) {
return String(a) === String(b)
} else {
return false
}
}
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function looseIndexOf (arr, val) {
for (var i = 0; i < arr.length; i++) {
if (looseEqual(arr[i], val)) { return i }
}
return -1
}
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/**
* Ensure a function is called only once.
*/
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function once (fn) {
var called = false;
return function () {
if (!called) {
called = true;
fn.apply(this, arguments);
}
}
}
/* */
var isAttr = makeMap(
'accept,accept-charset,accesskey,action,align,alt,async,autocomplete,' +
'autofocus,autoplay,autosave,bgcolor,border,buffered,challenge,charset,' +
'checked,cite,class,code,codebase,color,cols,colspan,content,http-equiv,' +
'name,contenteditable,contextmenu,controls,coords,data,datetime,default,' +
'defer,dir,dirname,disabled,download,draggable,dropzone,enctype,method,for,' +
'form,formaction,headers,height,hidden,high,href,hreflang,http-equiv,' +
'icon,id,ismap,itemprop,keytype,kind,label,lang,language,list,loop,low,' +
'manifest,max,maxlength,media,method,GET,POST,min,multiple,email,file,' +
'muted,name,novalidate,open,optimum,pattern,ping,placeholder,poster,' +
'preload,radiogroup,readonly,rel,required,reversed,rows,rowspan,sandbox,' +
'scope,scoped,seamless,selected,shape,size,type,text,password,sizes,span,' +
'spellcheck,src,srcdoc,srclang,srcset,start,step,style,summary,tabindex,' +
'target,title,type,usemap,value,width,wrap'
);
/* istanbul ignore next */
var isRenderableAttr = function (name) {
return (
isAttr(name) ||
name.indexOf('data-') === 0 ||
name.indexOf('aria-') === 0
)
};
var propsToAttrMap = {
acceptCharset: 'accept-charset',
className: 'class',
htmlFor: 'for',
httpEquiv: 'http-equiv'
};
var ESC = {
'<': '&lt;',
'>': '&gt;',
'"': '&quot;',
'&': '&amp;'
};
function escape (s) {
return s.replace(/[<>"&]/g, escapeChar)
}
function escapeChar (a) {
return ESC[a] || a
}
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/* */
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// these are reserved for web because they are directly compiled away
// during template compilation
var isReservedAttr = makeMap('style,class');
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// attributes that should be using props for binding
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var acceptValue = makeMap('input,textarea,option,select,progress');
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var mustUseProp = function (tag, type, attr) {
return (
(attr === 'value' && acceptValue(tag)) && type !== 'button' ||
(attr === 'selected' && tag === 'option') ||
(attr === 'checked' && tag === 'input') ||
(attr === 'muted' && tag === 'video')
)
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};
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var isEnumeratedAttr = makeMap('contenteditable,draggable,spellcheck');
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var isBooleanAttr = makeMap(
'allowfullscreen,async,autofocus,autoplay,checked,compact,controls,declare,' +
'default,defaultchecked,defaultmuted,defaultselected,defer,disabled,' +
'enabled,formnovalidate,hidden,indeterminate,inert,ismap,itemscope,loop,multiple,' +
'muted,nohref,noresize,noshade,novalidate,nowrap,open,pauseonexit,readonly,' +
'required,reversed,scoped,seamless,selected,sortable,translate,' +
'truespeed,typemustmatch,visible'
);
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var isFalsyAttrValue = function (val) {
return val == null || val === false
};
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/* */
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function renderAttrs (node) {
var attrs = node.data.attrs;
var res = '';
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var opts = node.parent && node.parent.componentOptions;
if (isUndef(opts) || opts.Ctor.options.inheritAttrs !== false) {
var parent = node.parent;
while (isDef(parent)) {
if (isDef(parent.data) && isDef(parent.data.attrs)) {
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attrs = extend(extend({}, attrs), parent.data.attrs);
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}
parent = parent.parent;
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}
}
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if (isUndef(attrs)) {
return res
}
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for (var key in attrs) {
if (key === 'style') {
// leave it to the style module
continue
}
res += renderAttr(key, attrs[key]);
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}
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return res
}
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function renderAttr (key, value) {
if (isBooleanAttr(key)) {
if (!isFalsyAttrValue(value)) {
return (" " + key + "=\"" + key + "\"")
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}
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} else if (isEnumeratedAttr(key)) {
return (" " + key + "=\"" + (isFalsyAttrValue(value) || value === 'false' ? 'false' : 'true') + "\"")
} else if (!isFalsyAttrValue(value)) {
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return (" " + key + "=\"" + (escape(String(value))) + "\"")
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}
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return ''
}
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/* */
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var VNode = function VNode (
tag,
data,
children,
text,
elm,
context,
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componentOptions,
asyncFactory
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) {
this.tag = tag;
this.data = data;
this.children = children;
this.text = text;
this.elm = elm;
this.ns = undefined;
this.context = context;
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this.fnContext = undefined;
this.fnOptions = undefined;
this.fnScopeId = undefined;
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this.key = data && data.key;
this.componentOptions = componentOptions;
this.componentInstance = undefined;
this.parent = undefined;
this.raw = false;
this.isStatic = false;
this.isRootInsert = true;
this.isComment = false;
this.isCloned = false;
this.isOnce = false;
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this.asyncFactory = asyncFactory;
this.asyncMeta = undefined;
this.isAsyncPlaceholder = false;
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};
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var prototypeAccessors = { child: { configurable: true } };
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// DEPRECATED: alias for componentInstance for backwards compat.
/* istanbul ignore next */
prototypeAccessors.child.get = function () {
return this.componentInstance
};
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Object.defineProperties( VNode.prototype, prototypeAccessors );
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var createEmptyVNode = function (text) {
if ( text === void 0 ) text = '';
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var node = new VNode();
node.text = text;
node.isComment = true;
return node
};
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function createTextVNode (val) {
return new VNode(undefined, undefined, undefined, String(val))
}
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// optimized shallow clone
// used for static nodes and slot nodes because they may be reused across
// multiple renders, cloning them avoids errors when DOM manipulations rely
// on their elm reference.
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function cloneVNode (vnode) {
var cloned = new VNode(
vnode.tag,
vnode.data,
vnode.children,
vnode.text,
vnode.elm,
vnode.context,
vnode.componentOptions,
vnode.asyncFactory
);
cloned.ns = vnode.ns;
cloned.isStatic = vnode.isStatic;
cloned.key = vnode.key;
cloned.isComment = vnode.isComment;
cloned.fnContext = vnode.fnContext;
cloned.fnOptions = vnode.fnOptions;
cloned.fnScopeId = vnode.fnScopeId;
cloned.isCloned = true;
return cloned
}
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/* */
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function renderDOMProps (node) {
var props = node.data.domProps;
var res = '';
var parent = node.parent;
while (isDef(parent)) {
if (parent.data && parent.data.domProps) {
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props = extend(extend({}, props), parent.data.domProps);
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}
parent = parent.parent;
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}
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if (isUndef(props)) {
return res
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}
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var attrs = node.data.attrs;
for (var key in props) {
if (key === 'innerHTML') {
setText(node, props[key], true);
} else if (key === 'textContent') {
setText(node, props[key], false);
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} else if (key === 'value' && node.tag === 'textarea') {
setText(node, props[key], false);
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} else {
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// $flow-disable-line (WTF?)
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var attr = propsToAttrMap[key] || key.toLowerCase();
if (isRenderableAttr(attr) &&
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// avoid rendering double-bound props/attrs twice
!(isDef(attrs) && isDef(attrs[attr]))
) {
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res += renderAttr(attr, props[key]);
}
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}
}
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return res
}
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function setText (node, text, raw) {
var child = new VNode(undefined, undefined, undefined, text);
child.raw = raw;
node.children = [child];
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}
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/* */
/**
* Check if a string starts with $ or _
*/
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/**
* Define a property.
*/
function def (obj, key, val, enumerable) {
Object.defineProperty(obj, key, {
value: val,
enumerable: !!enumerable,
writable: true,
configurable: true
});
}
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/* */
// can we use __proto__?
var hasProto = '__proto__' in {};
// Browser environment sniffing
var inBrowser = typeof window !== 'undefined';
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var inWeex = typeof WXEnvironment !== 'undefined' && !!WXEnvironment.platform;
var weexPlatform = inWeex && WXEnvironment.platform.toLowerCase();
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var UA = inBrowser && window.navigator.userAgent.toLowerCase();
var isIE = UA && /msie|trident/.test(UA);
var isIE9 = UA && UA.indexOf('msie 9.0') > 0;
var isEdge = UA && UA.indexOf('edge/') > 0;
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var isAndroid = (UA && UA.indexOf('android') > 0) || (weexPlatform === 'android');
var isIOS = (UA && /iphone|ipad|ipod|ios/.test(UA)) || (weexPlatform === 'ios');
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var isChrome = UA && /chrome\/\d+/.test(UA) && !isEdge;
// Firefox has a "watch" function on Object.prototype...
var nativeWatch = ({}).watch;
if (inBrowser) {
try {
var opts = {};
Object.defineProperty(opts, 'passive', ({
get: function get () {
/* istanbul ignore next */
}
})); // https://github.com/facebook/flow/issues/285
window.addEventListener('test-passive', null, opts);
} catch (e) {}
}
// this needs to be lazy-evaled because vue may be required before
// vue-server-renderer can set VUE_ENV
var _isServer;
var isServerRendering = function () {
if (_isServer === undefined) {
/* istanbul ignore if */
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if (!inBrowser && !inWeex && typeof global !== 'undefined') {
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// detect presence of vue-server-renderer and avoid
// Webpack shimming the process
_isServer = global['process'].env.VUE_ENV === 'server';
} else {
_isServer = false;
}
}
return _isServer
};
// detect devtools
var devtools = inBrowser && window.__VUE_DEVTOOLS_GLOBAL_HOOK__;
/* istanbul ignore next */
function isNative (Ctor) {
return typeof Ctor === 'function' && /native code/.test(Ctor.toString())
}
var hasSymbol =
typeof Symbol !== 'undefined' && isNative(Symbol) &&
typeof Reflect !== 'undefined' && isNative(Reflect.ownKeys);
var _Set;
/* istanbul ignore if */ // $flow-disable-line
if (typeof Set !== 'undefined' && isNative(Set)) {
// use native Set when available.
_Set = Set;
} else {
// a non-standard Set polyfill that only works with primitive keys.
_Set = (function () {
function Set () {
this.set = Object.create(null);
}
Set.prototype.has = function has (key) {
return this.set[key] === true
};
Set.prototype.add = function add (key) {
this.set[key] = true;
};
Set.prototype.clear = function clear () {
this.set = Object.create(null);
};
return Set;
}());
}
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var SSR_ATTR = 'data-server-rendered';
var ASSET_TYPES = [
'component',
'directive',
'filter'
];
var LIFECYCLE_HOOKS = [
'beforeCreate',
'created',
'beforeMount',
'mounted',
'beforeUpdate',
'updated',
'beforeDestroy',
'destroyed',
'activated',
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'deactivated',
'errorCaptured'
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];
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/* */
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var config = ({
/**
* Option merge strategies (used in core/util/options)
*/
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// $flow-disable-line
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optionMergeStrategies: Object.create(null),
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/**
* Whether to suppress warnings.
*/
silent: false,
/**
* Show production mode tip message on boot?
*/
productionTip: process.env.NODE_ENV !== 'production',
/**
* Whether to enable devtools
*/
devtools: process.env.NODE_ENV !== 'production',
/**
* Whether to record perf
*/
performance: false,
/**
* Error handler for watcher errors
*/
errorHandler: null,
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/**
* Warn handler for watcher warns
*/
warnHandler: null,
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/**
* Ignore certain custom elements
*/
ignoredElements: [],
/**
* Custom user key aliases for v-on
*/
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// $flow-disable-line
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keyCodes: Object.create(null),
/**
* Check if a tag is reserved so that it cannot be registered as a
* component. This is platform-dependent and may be overwritten.
*/
isReservedTag: no,
/**
* Check if an attribute is reserved so that it cannot be used as a component
* prop. This is platform-dependent and may be overwritten.
*/
isReservedAttr: no,
/**
* Check if a tag is an unknown element.
* Platform-dependent.
*/
isUnknownElement: no,
/**
* Get the namespace of an element
*/
getTagNamespace: noop,
/**
* Parse the real tag name for the specific platform.
*/
parsePlatformTagName: identity,
/**
* Check if an attribute must be bound using property, e.g. value
* Platform-dependent.
*/
mustUseProp: no,
/**
* Exposed for legacy reasons
*/
_lifecycleHooks: LIFECYCLE_HOOKS
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})
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/* */
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var warn = noop;
var tip = noop;
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var generateComponentTrace = (noop); // work around flow check
var formatComponentName = (noop);
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if (process.env.NODE_ENV !== 'production') {
var hasConsole = typeof console !== 'undefined';
var classifyRE = /(?:^|[-_])(\w)/g;
var classify = function (str) { return str
.replace(classifyRE, function (c) { return c.toUpperCase(); })
.replace(/[-_]/g, ''); };
warn = function (msg, vm) {
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var trace = vm ? generateComponentTrace(vm) : '';
if (config.warnHandler) {
config.warnHandler.call(null, msg, vm, trace);
} else if (hasConsole && (!config.silent)) {
console.error(("[Vue warn]: " + msg + trace));
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}
};
tip = function (msg, vm) {
if (hasConsole && (!config.silent)) {
console.warn("[Vue tip]: " + msg + (
vm ? generateComponentTrace(vm) : ''
));
}
};
formatComponentName = function (vm, includeFile) {
if (vm.$root === vm) {
return '<Root>'
}
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var options = typeof vm === 'function' && vm.cid != null
? vm.options
: vm._isVue
? vm.$options || vm.constructor.options
: vm || {};
var name = options.name || options._componentTag;
var file = options.__file;
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if (!name && file) {
var match = file.match(/([^/\\]+)\.vue$/);
name = match && match[1];
}
return (
(name ? ("<" + (classify(name)) + ">") : "<Anonymous>") +
(file && includeFile !== false ? (" at " + file) : '')
)
};
var repeat = function (str, n) {
var res = '';
while (n) {
if (n % 2 === 1) { res += str; }
if (n > 1) { str += str; }
n >>= 1;
}
return res
};
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generateComponentTrace = function (vm) {
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if (vm._isVue && vm.$parent) {
var tree = [];
var currentRecursiveSequence = 0;
while (vm) {
if (tree.length > 0) {
var last = tree[tree.length - 1];
if (last.constructor === vm.constructor) {
currentRecursiveSequence++;
vm = vm.$parent;
continue
} else if (currentRecursiveSequence > 0) {
tree[tree.length - 1] = [last, currentRecursiveSequence];
currentRecursiveSequence = 0;
}
}
tree.push(vm);
vm = vm.$parent;
}
return '\n\nfound in\n\n' + tree
.map(function (vm, i) { return ("" + (i === 0 ? '---> ' : repeat(' ', 5 + i * 2)) + (Array.isArray(vm)
? ((formatComponentName(vm[0])) + "... (" + (vm[1]) + " recursive calls)")
: formatComponentName(vm))); })
.join('\n')
} else {
return ("\n\n(found in " + (formatComponentName(vm)) + ")")
}
};
}
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/* */
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var uid = 0;
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/**
* A dep is an observable that can have multiple
* directives subscribing to it.
*/
var Dep = function Dep () {
this.id = uid++;
this.subs = [];
};
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Dep.prototype.addSub = function addSub (sub) {
this.subs.push(sub);
};
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Dep.prototype.removeSub = function removeSub (sub) {
remove(this.subs, sub);
};
Dep.prototype.depend = function depend () {
if (Dep.target) {
Dep.target.addDep(this);
}
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};
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Dep.prototype.notify = function notify () {
// stabilize the subscriber list first
var subs = this.subs.slice();
for (var i = 0, l = subs.length; i < l; i++) {
subs[i].update();
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}
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};
// the current target watcher being evaluated.
// this is globally unique because there could be only one
// watcher being evaluated at any time.
Dep.target = null;
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var targetStack = [];
function pushTarget (_target) {
if (Dep.target) { targetStack.push(Dep.target); }
Dep.target = _target;
}
function popTarget () {
Dep.target = targetStack.pop();
}
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/*
* not type checking this file because flow doesn't play well with
* dynamically accessing methods on Array prototype
*/
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var arrayProto = Array.prototype;
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var arrayMethods = Object.create(arrayProto);
var methodsToPatch = [
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'push',
'pop',
'shift',
'unshift',
'splice',
'sort',
'reverse'
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];
/**
* Intercept mutating methods and emit events
*/
methodsToPatch.forEach(function (method) {
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// cache original method
var original = arrayProto[method];
def(arrayMethods, method, function mutator () {
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var args = [], len = arguments.length;
while ( len-- ) args[ len ] = arguments[ len ];
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var result = original.apply(this, args);
var ob = this.__ob__;
var inserted;
switch (method) {
case 'push':
case 'unshift':
inserted = args;
break
case 'splice':
inserted = args.slice(2);
break
}
if (inserted) { ob.observeArray(inserted); }
// notify change
ob.dep.notify();
return result
});
});
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/* */
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var arrayKeys = Object.getOwnPropertyNames(arrayMethods);
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/**
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* In some cases we may want to disable observation inside a component's
* update computation.
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*/
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var shouldObserve = true;
function toggleObserving (value) {
shouldObserve = value;
}
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/**
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* Observer class that is attached to each observed
* object. Once attached, the observer converts the target
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* object's property keys into getter/setters that
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* collect dependencies and dispatch updates.
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*/
var Observer = function Observer (value) {
this.value = value;
this.dep = new Dep();
this.vmCount = 0;
def(value, '__ob__', this);
if (Array.isArray(value)) {
var augment = hasProto
? protoAugment
: copyAugment;
augment(value, arrayMethods, arrayKeys);
this.observeArray(value);
} else {
this.walk(value);
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}
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};
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/**
* Walk through each property and convert them into
* getter/setters. This method should only be called when
* value type is Object.
*/
Observer.prototype.walk = function walk (obj) {
var keys = Object.keys(obj);
for (var i = 0; i < keys.length; i++) {
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defineReactive(obj, keys[i]);
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}
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};
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/**
* Observe a list of Array items.
*/
Observer.prototype.observeArray = function observeArray (items) {
for (var i = 0, l = items.length; i < l; i++) {
observe(items[i]);
}
};
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// helpers
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/**
* Augment an target Object or Array by intercepting
* the prototype chain using __proto__
*/
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function protoAugment (target, src, keys) {
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/* eslint-disable no-proto */
target.__proto__ = src;
/* eslint-enable no-proto */
}
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/**
* Augment an target Object or Array by defining
* hidden properties.
*/
/* istanbul ignore next */
function copyAugment (target, src, keys) {
for (var i = 0, l = keys.length; i < l; i++) {
var key = keys[i];
def(target, key, src[key]);
}
}
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/**
* Attempt to create an observer instance for a value,
* returns the new observer if successfully observed,
* or the existing observer if the value already has one.
*/
function observe (value, asRootData) {
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if (!isObject(value) || value instanceof VNode) {
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return
}
var ob;
if (hasOwn(value, '__ob__') && value.__ob__ instanceof Observer) {
ob = value.__ob__;
} else if (
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shouldObserve &&
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!isServerRendering() &&
(Array.isArray(value) || isPlainObject(value)) &&
Object.isExtensible(value) &&
!value._isVue
) {
ob = new Observer(value);
}
if (asRootData && ob) {
ob.vmCount++;
}
return ob
}
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/**
* Define a reactive property on an Object.
*/
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function defineReactive (
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obj,
key,
val,
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customSetter,
shallow
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) {
var dep = new Dep();
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var property = Object.getOwnPropertyDescriptor(obj, key);
if (property && property.configurable === false) {
return
}
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// cater for pre-defined getter/setters
var getter = property && property.get;
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if (!getter && arguments.length === 2) {
val = obj[key];
}
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var setter = property && property.set;
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var childOb = !shallow && observe(val);
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Object.defineProperty(obj, key, {
enumerable: true,
configurable: true,
get: function reactiveGetter () {
var value = getter ? getter.call(obj) : val;
if (Dep.target) {
dep.depend();
if (childOb) {
childOb.dep.depend();
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if (Array.isArray(value)) {
dependArray(value);
}
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}
}
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return value
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},
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set: function reactiveSetter (newVal) {
var value = getter ? getter.call(obj) : val;
/* eslint-disable no-self-compare */
if (newVal === value || (newVal !== newVal && value !== value)) {
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return
}
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/* eslint-enable no-self-compare */
if (process.env.NODE_ENV !== 'production' && customSetter) {
customSetter();
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}
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if (setter) {
setter.call(obj, newVal);
} else {
val = newVal;
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}
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childOb = !shallow && observe(newVal);
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dep.notify();
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}
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});
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}
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/**
* Set a property on an object. Adds the new property and
* triggers change notification if the property doesn't
* already exist.
*/
function set (target, key, val) {
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if (process.env.NODE_ENV !== 'production' &&
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(isUndef(target) || isPrimitive(target))
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) {
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warn(("Cannot set reactive property on undefined, null, or primitive value: " + ((target))));
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}
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if (Array.isArray(target) && isValidArrayIndex(key)) {
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target.length = Math.max(target.length, key);
target.splice(key, 1, val);
return val
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}
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if (key in target && !(key in Object.prototype)) {
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target[key] = val;
return val
}
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var ob = (target).__ob__;
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if (target._isVue || (ob && ob.vmCount)) {
process.env.NODE_ENV !== 'production' && warn(
'Avoid adding reactive properties to a Vue instance or its root $data ' +
'at runtime - declare it upfront in the data option.'
);
return val
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}
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if (!ob) {
target[key] = val;
return val
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}
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defineReactive(ob.value, key, val);
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ob.dep.notify();
return val
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}
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/**
* Delete a property and trigger change if necessary.
*/
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/**
* Collect dependencies on array elements when the array is touched, since
* we cannot intercept array element access like property getters.
*/
function dependArray (value) {
for (var e = (void 0), i = 0, l = value.length; i < l; i++) {
e = value[i];
e && e.__ob__ && e.__ob__.dep.depend();
if (Array.isArray(e)) {
dependArray(e);
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}
}
}
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/* */
/**
* Option overwriting strategies are functions that handle
* how to merge a parent option value and a child option
* value into the final value.
*/
var strats = config.optionMergeStrategies;
/**
* Options with restrictions
*/
if (process.env.NODE_ENV !== 'production') {
strats.el = strats.propsData = function (parent, child, vm, key) {
if (!vm) {
warn(
"option \"" + key + "\" can only be used during instance " +
'creation with the `new` keyword.'
);
}
return defaultStrat(parent, child)
};
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}
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/**
* Helper that recursively merges two data objects together.
*/
function mergeData (to, from) {
if (!from) { return to }
var key, toVal, fromVal;
var keys = Object.keys(from);
for (var i = 0; i < keys.length; i++) {
key = keys[i];
toVal = to[key];
fromVal = from[key];
if (!hasOwn(to, key)) {
set(to, key, fromVal);
} else if (isPlainObject(toVal) && isPlainObject(fromVal)) {
mergeData(toVal, fromVal);
}
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}
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return to
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}
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/**
* Data
*/
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function mergeDataOrFn (
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parentVal,
childVal,
vm
) {
if (!vm) {
// in a Vue.extend merge, both should be functions
if (!childVal) {
return parentVal
}
if (!parentVal) {
return childVal
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}
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// when parentVal & childVal are both present,
// we need to return a function that returns the
// merged result of both functions... no need to
// check if parentVal is a function here because
// it has to be a function to pass previous merges.
return function mergedDataFn () {
return mergeData(
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typeof childVal === 'function' ? childVal.call(this, this) : childVal,
typeof parentVal === 'function' ? parentVal.call(this, this) : parentVal
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)
}
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} else {
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return function mergedInstanceDataFn () {
// instance merge
var instanceData = typeof childVal === 'function'
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? childVal.call(vm, vm)
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: childVal;
var defaultData = typeof parentVal === 'function'
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? parentVal.call(vm, vm)
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: parentVal;
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if (instanceData) {
return mergeData(instanceData, defaultData)
} else {
return defaultData
}
}
}
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}
strats.data = function (
parentVal,
childVal,
vm
) {
if (!vm) {
if (childVal && typeof childVal !== 'function') {
process.env.NODE_ENV !== 'production' && warn(
'The "data" option should be a function ' +
'that returns a per-instance value in component ' +
'definitions.',
vm
);
return parentVal
}
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return mergeDataOrFn(parentVal, childVal)
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}
return mergeDataOrFn(parentVal, childVal, vm)
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};
/**
* Hooks and props are merged as arrays.
*/
function mergeHook (
parentVal,
childVal
) {
return childVal
? parentVal
? parentVal.concat(childVal)
: Array.isArray(childVal)
? childVal
: [childVal]
: parentVal
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}
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LIFECYCLE_HOOKS.forEach(function (hook) {
strats[hook] = mergeHook;
});
/**
* Assets
*
* When a vm is present (instance creation), we need to do
* a three-way merge between constructor options, instance
* options and parent options.
*/
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function mergeAssets (
parentVal,
childVal,
vm,
key
) {
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var res = Object.create(parentVal || null);
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if (childVal) {
process.env.NODE_ENV !== 'production' && assertObjectType(key, childVal, vm);
return extend(res, childVal)
} else {
return res
}
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}
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ASSET_TYPES.forEach(function (type) {
strats[type + 's'] = mergeAssets;
});
/**
* Watchers.
*
* Watchers hashes should not overwrite one
* another, so we merge them as arrays.
*/
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strats.watch = function (
parentVal,
childVal,
vm,
key
) {
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// work around Firefox's Object.prototype.watch...
if (parentVal === nativeWatch) { parentVal = undefined; }
if (childVal === nativeWatch) { childVal = undefined; }
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/* istanbul ignore if */
if (!childVal) { return Object.create(parentVal || null) }
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if (process.env.NODE_ENV !== 'production') {
assertObjectType(key, childVal, vm);
}
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if (!parentVal) { return childVal }
var ret = {};
extend(ret, parentVal);
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for (var key$1 in childVal) {
var parent = ret[key$1];
var child = childVal[key$1];
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if (parent && !Array.isArray(parent)) {
parent = [parent];
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}
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ret[key$1] = parent
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? parent.concat(child)
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: Array.isArray(child) ? child : [child];
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}
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return ret
};
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/**
* Other object hashes.
*/
strats.props =
strats.methods =
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strats.inject =
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strats.computed = function (
parentVal,
childVal,
vm,
key
) {
if (childVal && process.env.NODE_ENV !== 'production') {
assertObjectType(key, childVal, vm);
}
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if (!parentVal) { return childVal }
var ret = Object.create(null);
extend(ret, parentVal);
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if (childVal) { extend(ret, childVal); }
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return ret
};
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strats.provide = mergeDataOrFn;
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/**
* Default strategy.
*/
var defaultStrat = function (parentVal, childVal) {
return childVal === undefined
? parentVal
: childVal
};
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/**
* Validate component names
*/
function checkComponents (options) {
for (var key in options.components) {
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validateComponentName(key);
}
}
function validateComponentName (name) {
if (!/^[a-zA-Z][\w-]*$/.test(name)) {
warn(
'Invalid component name: "' + name + '". Component names ' +
'can only contain alphanumeric characters and the hyphen, ' +
'and must start with a letter.'
);
}
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if (isBuiltInTag(name) || config.isReservedTag(name)) {
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warn(
'Do not use built-in or reserved HTML elements as component ' +
'id: ' + name
);
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}
}
/**
* Ensure all props option syntax are normalized into the
* Object-based format.
*/
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function normalizeProps (options, vm) {
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var props = options.props;
if (!props) { return }
var res = {};
var i, val, name;
if (Array.isArray(props)) {
i = props.length;
while (i--) {
val = props[i];
if (typeof val === 'string') {
name = camelize(val);
res[name] = { type: null };
} else if (process.env.NODE_ENV !== 'production') {
warn('props must be strings when using array syntax.');
}
}
} else if (isPlainObject(props)) {
for (var key in props) {
val = props[key];
name = camelize(key);
res[name] = isPlainObject(val)
? val
: { type: val };
}
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} else if (process.env.NODE_ENV !== 'production') {
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warn(
"Invalid value for option \"props\": expected an Array or an Object, " +
"but got " + (toRawType(props)) + ".",
vm
);
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}
options.props = res;
}
/**
* Normalize all injections into Object-based format
*/
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function normalizeInject (options, vm) {
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var inject = options.inject;
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if (!inject) { return }
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var normalized = options.inject = {};
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if (Array.isArray(inject)) {
for (var i = 0; i < inject.length; i++) {
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normalized[inject[i]] = { from: inject[i] };
}
} else if (isPlainObject(inject)) {
for (var key in inject) {
var val = inject[key];
normalized[key] = isPlainObject(val)
? extend({ from: key }, val)
: { from: val };
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}
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} else if (process.env.NODE_ENV !== 'production') {
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warn(
"Invalid value for option \"inject\": expected an Array or an Object, " +
"but got " + (toRawType(inject)) + ".",
vm
);
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}
}
/**
* Normalize raw function directives into object format.
*/
function normalizeDirectives (options) {
var dirs = options.directives;
if (dirs) {
for (var key in dirs) {
var def = dirs[key];
if (typeof def === 'function') {
dirs[key] = { bind: def, update: def };
}
}
}
}
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function assertObjectType (name, value, vm) {
if (!isPlainObject(value)) {
warn(
"Invalid value for option \"" + name + "\": expected an Object, " +
"but got " + (toRawType(value)) + ".",
vm
);
}
}
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/**
* Merge two option objects into a new one.
* Core utility used in both instantiation and inheritance.
*/
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function mergeOptions (
parent,
child,
vm
) {
if (process.env.NODE_ENV !== 'production') {
checkComponents(child);
}
if (typeof child === 'function') {
child = child.options;
}
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normalizeProps(child, vm);
normalizeInject(child, vm);
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normalizeDirectives(child);
var extendsFrom = child.extends;
if (extendsFrom) {
parent = mergeOptions(parent, extendsFrom, vm);
}
if (child.mixins) {
for (var i = 0, l = child.mixins.length; i < l; i++) {
parent = mergeOptions(parent, child.mixins[i], vm);
}
}
var options = {};
var key;
for (key in parent) {
mergeField(key);
}
for (key in child) {
if (!hasOwn(parent, key)) {
mergeField(key);
}
}
function mergeField (key) {
var strat = strats[key] || defaultStrat;
options[key] = strat(parent[key], child[key], vm, key);
}
return options
}
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/**
* Resolve an asset.
* This function is used because child instances need access
* to assets defined in its ancestor chain.
*/
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function resolveAsset (
options,
type,
id,
warnMissing
) {
/* istanbul ignore if */
if (typeof id !== 'string') {
return
}
var assets = options[type];
// check local registration variations first
if (hasOwn(assets, id)) { return assets[id] }
var camelizedId = camelize(id);
if (hasOwn(assets, camelizedId)) { return assets[camelizedId] }
var PascalCaseId = capitalize(camelizedId);
if (hasOwn(assets, PascalCaseId)) { return assets[PascalCaseId] }
// fallback to prototype chain
var res = assets[id] || assets[camelizedId] || assets[PascalCaseId];
if (process.env.NODE_ENV !== 'production' && warnMissing && !res) {
warn(
'Failed to resolve ' + type.slice(0, -1) + ': ' + id,
options
);
}
return res
}
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/* */
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function validateProp (
key,
propOptions,
propsData,
vm
) {
var prop = propOptions[key];
var absent = !hasOwn(propsData, key);
var value = propsData[key];
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// boolean casting
var booleanIndex = getTypeIndex(Boolean, prop.type);
if (booleanIndex > -1) {
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if (absent && !hasOwn(prop, 'default')) {
value = false;
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} else if (value === '' || value === hyphenate(key)) {
// only cast empty string / same name to boolean if
// boolean has higher priority
var stringIndex = getTypeIndex(String, prop.type);
if (stringIndex < 0 || booleanIndex < stringIndex) {
value = true;
}
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}
}
// check default value
if (value === undefined) {
value = getPropDefaultValue(vm, prop, key);
// since the default value is a fresh copy,
// make sure to observe it.
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var prevShouldObserve = shouldObserve;
toggleObserving(true);
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observe(value);
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toggleObserving(prevShouldObserve);
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}
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if (
process.env.NODE_ENV !== 'production' &&
// skip validation for weex recycle-list child component props
!(false && isObject(value) && ('@binding' in value))
) {
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assertProp(prop, key, value, vm, absent);
}
return value
}
/**
* Get the default value of a prop.
*/
function getPropDefaultValue (vm, prop, key) {
// no default, return undefined
if (!hasOwn(prop, 'default')) {
return undefined
}
var def = prop.default;
// warn against non-factory defaults for Object & Array
if (process.env.NODE_ENV !== 'production' && isObject(def)) {
warn(
'Invalid default value for prop "' + key + '": ' +
'Props with type Object/Array must use a factory function ' +
'to return the default value.',
vm
);
}
// the raw prop value was also undefined from previous render,
// return previous default value to avoid unnecessary watcher trigger
if (vm && vm.$options.propsData &&
vm.$options.propsData[key] === undefined &&
vm._props[key] !== undefined
) {
return vm._props[key]
}
// call factory function for non-Function types
// a value is Function if its prototype is function even across different execution context
return typeof def === 'function' && getType(prop.type) !== 'Function'
? def.call(vm)
: def
}
/**
* Assert whether a prop is valid.
*/
function assertProp (
prop,
name,
value,
vm,
absent
) {
if (prop.required && absent) {
warn(
'Missing required prop: "' + name + '"',
vm
);
return
}
if (value == null && !prop.required) {
return
}
var type = prop.type;
var valid = !type || type === true;
var expectedTypes = [];
if (type) {
if (!Array.isArray(type)) {
type = [type];
}
for (var i = 0; i < type.length && !valid; i++) {
var assertedType = assertType(value, type[i]);
expectedTypes.push(assertedType.expectedType || '');
valid = assertedType.valid;
}
}
if (!valid) {
warn(
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"Invalid prop: type check failed for prop \"" + name + "\"." +
" Expected " + (expectedTypes.map(capitalize).join(', ')) +
", got " + (toRawType(value)) + ".",
2017-07-13 13:58:22 +08:00
vm
);
return
}
var validator = prop.validator;
if (validator) {
if (!validator(value)) {
warn(
'Invalid prop: custom validator check failed for prop "' + name + '".',
vm
);
}
}
}
var simpleCheckRE = /^(String|Number|Boolean|Function|Symbol)$/;
function assertType (value, type) {
var valid;
var expectedType = getType(type);
if (simpleCheckRE.test(expectedType)) {
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var t = typeof value;
valid = t === expectedType.toLowerCase();
// for primitive wrapper objects
if (!valid && t === 'object') {
valid = value instanceof type;
}
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} else if (expectedType === 'Object') {
valid = isPlainObject(value);
} else if (expectedType === 'Array') {
valid = Array.isArray(value);
} else {
valid = value instanceof type;
}
return {
valid: valid,
expectedType: expectedType
}
}
/**
* Use function string name to check built-in types,
* because a simple equality check will fail when running
* across different vms / iframes.
*/
function getType (fn) {
var match = fn && fn.toString().match(/^\s*function (\w+)/);
return match ? match[1] : ''
}
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function isSameType (a, b) {
return getType(a) === getType(b)
}
function getTypeIndex (type, expectedTypes) {
if (!Array.isArray(expectedTypes)) {
return isSameType(expectedTypes, type) ? 0 : -1
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}
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for (var i = 0, len = expectedTypes.length; i < len; i++) {
if (isSameType(expectedTypes[i], type)) {
return i
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}
}
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return -1
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}
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/* */
2017-10-14 04:20:59 +08:00
function handleError (err, vm, info) {
if (vm) {
var cur = vm;
while ((cur = cur.$parent)) {
var hooks = cur.$options.errorCaptured;
if (hooks) {
for (var i = 0; i < hooks.length; i++) {
try {
var capture = hooks[i].call(cur, err, vm, info) === false;
if (capture) { return }
} catch (e) {
globalHandleError(e, cur, 'errorCaptured hook');
}
}
}
}
}
globalHandleError(err, vm, info);
}
function globalHandleError (err, vm, info) {
if (config.errorHandler) {
try {
return config.errorHandler.call(null, err, vm, info)
} catch (e) {
logError(e, null, 'config.errorHandler');
}
}
logError(err, vm, info);
}
function logError (err, vm, info) {
if (process.env.NODE_ENV !== 'production') {
warn(("Error in " + info + ": \"" + (err.toString()) + "\""), vm);
}
/* istanbul ignore else */
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if ((inBrowser || inWeex) && typeof console !== 'undefined') {
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console.error(err);
} else {
throw err
}
}
/* */
/* globals MessageChannel */
var callbacks = [];
function flushCallbacks () {
var copies = callbacks.slice(0);
callbacks.length = 0;
for (var i = 0; i < copies.length; i++) {
copies[i]();
}
}
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// Determine (macro) task defer implementation.
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// Technically setImmediate should be the ideal choice, but it's only available
// in IE. The only polyfill that consistently queues the callback after all DOM
// events triggered in the same loop is by using MessageChannel.
/* istanbul ignore if */
if (typeof setImmediate !== 'undefined' && isNative(setImmediate)) {
2017-12-20 03:06:50 +08:00
2017-10-14 04:20:59 +08:00
} else if (typeof MessageChannel !== 'undefined' && (
isNative(MessageChannel) ||
// PhantomJS
MessageChannel.toString() === '[object MessageChannelConstructor]'
)) {
var channel = new MessageChannel();
channel.port1.onmessage = flushCallbacks;
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} else {
/* istanbul ignore next */
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2017-10-14 04:20:59 +08:00
}
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// Determine microtask defer implementation.
2017-10-14 04:20:59 +08:00
/* istanbul ignore next, $flow-disable-line */
if (typeof Promise !== 'undefined' && isNative(Promise)) {
2017-12-20 03:06:50 +08:00
2017-10-14 04:20:59 +08:00
} else {
// fallback to macro
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2017-10-14 04:20:59 +08:00
}
/**
* Wrap a function so that if any code inside triggers state change,
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* the changes are queued using a (macro) task instead of a microtask.
2017-10-14 04:20:59 +08:00
*/
/* */
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/* */
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function genClassForVnode (vnode) {
var data = vnode.data;
var parentNode = vnode;
var childNode = vnode;
while (isDef(childNode.componentInstance)) {
childNode = childNode.componentInstance._vnode;
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if (childNode && childNode.data) {
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data = mergeClassData(childNode.data, data);
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}
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}
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while (isDef(parentNode = parentNode.parent)) {
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if (parentNode && parentNode.data) {
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data = mergeClassData(data, parentNode.data);
}
}
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return renderClass(data.staticClass, data.class)
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}
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function mergeClassData (child, parent) {
return {
staticClass: concat(child.staticClass, parent.staticClass),
class: isDef(child.class)
? [child.class, parent.class]
: parent.class
}
}
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function renderClass (
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staticClass,
dynamicClass
) {
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if (isDef(staticClass) || isDef(dynamicClass)) {
return concat(staticClass, stringifyClass(dynamicClass))
}
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/* istanbul ignore next */
return ''
}
2017-04-26 18:32:30 +08:00
function concat (a, b) {
return a ? b ? (a + ' ' + b) : a : (b || '')
}
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function stringifyClass (value) {
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if (Array.isArray(value)) {
return stringifyArray(value)
}
if (isObject(value)) {
return stringifyObject(value)
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}
if (typeof value === 'string') {
return value
}
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/* istanbul ignore next */
return ''
}
function stringifyArray (value) {
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var res = '';
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var stringified;
for (var i = 0, l = value.length; i < l; i++) {
if (isDef(stringified = stringifyClass(value[i])) && stringified !== '') {
if (res) { res += ' '; }
res += stringified;
}
}
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return res
}
function stringifyObject (value) {
var res = '';
for (var key in value) {
if (value[key]) {
if (res) { res += ' '; }
res += key;
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}
}
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return res
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}
2016-08-30 03:49:00 +08:00
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/* */
2016-08-30 03:49:00 +08:00
2017-02-24 12:22:20 +08:00
2017-04-26 18:32:30 +08:00
var isHTMLTag = makeMap(
'html,body,base,head,link,meta,style,title,' +
'address,article,aside,footer,header,h1,h2,h3,h4,h5,h6,hgroup,nav,section,' +
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'div,dd,dl,dt,figcaption,figure,picture,hr,img,li,main,ol,p,pre,ul,' +
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'a,b,abbr,bdi,bdo,br,cite,code,data,dfn,em,i,kbd,mark,q,rp,rt,rtc,ruby,' +
's,samp,small,span,strong,sub,sup,time,u,var,wbr,area,audio,map,track,video,' +
'embed,object,param,source,canvas,script,noscript,del,ins,' +
'caption,col,colgroup,table,thead,tbody,td,th,tr,' +
'button,datalist,fieldset,form,input,label,legend,meter,optgroup,option,' +
'output,progress,select,textarea,' +
'details,dialog,menu,menuitem,summary,' +
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'content,element,shadow,template,blockquote,iframe,tfoot'
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);
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// this map is intentionally selective, only covering SVG elements that may
// contain child elements.
var isSVG = makeMap(
'svg,animate,circle,clippath,cursor,defs,desc,ellipse,filter,font-face,' +
'foreignObject,g,glyph,image,line,marker,mask,missing-glyph,path,pattern,' +
'polygon,polyline,rect,switch,symbol,text,textpath,tspan,use,view',
true
);
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var isPreTag = function (tag) { return tag === 'pre'; };
var isReservedTag = function (tag) {
return isHTMLTag(tag) || isSVG(tag)
};
function getTagNamespace (tag) {
if (isSVG(tag)) {
return 'svg'
}
// basic support for MathML
// note it doesn't support other MathML elements being component roots
if (tag === 'math') {
return 'math'
}
}
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var isTextInputType = makeMap('text,number,password,search,email,tel,url');
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/* */
/**
* Query an element selector if it's not an element already.
*/
/* */
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function renderClass$1 (node) {
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var classList = genClassForVnode(node);
if (classList !== '') {
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return (" class=\"" + (escape(classList)) + "\"")
}
}
2017-04-26 18:32:30 +08:00
/* */
var parseStyleText = cached(function (cssText) {
var res = {};
var listDelimiter = /;(?![^(]*\))/g;
var propertyDelimiter = /:(.+)/;
cssText.split(listDelimiter).forEach(function (item) {
if (item) {
var tmp = item.split(propertyDelimiter);
tmp.length > 1 && (res[tmp[0].trim()] = tmp[1].trim());
}
});
return res
});
// merge static and dynamic style data on the same vnode
function normalizeStyleData (data) {
var style = normalizeStyleBinding(data.style);
// static style is pre-processed into an object during compilation
// and is always a fresh object, so it's safe to merge into it
return data.staticStyle
? extend(data.staticStyle, style)
: style
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}
2017-04-26 18:32:30 +08:00
// normalize possible array / string values into Object
function normalizeStyleBinding (bindingStyle) {
if (Array.isArray(bindingStyle)) {
return toObject(bindingStyle)
2016-12-02 11:01:18 +08:00
}
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if (typeof bindingStyle === 'string') {
return parseStyleText(bindingStyle)
}
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return bindingStyle
}
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/**
* parent component style should be after child's
* so that parent component's style could override it
*/
function getStyle (vnode, checkChild) {
var res = {};
var styleData;
if (checkChild) {
var childNode = vnode;
while (childNode.componentInstance) {
childNode = childNode.componentInstance._vnode;
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if (
childNode && childNode.data &&
(styleData = normalizeStyleData(childNode.data))
) {
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extend(res, styleData);
}
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}
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}
if ((styleData = normalizeStyleData(vnode.data))) {
extend(res, styleData);
}
var parentNode = vnode;
while ((parentNode = parentNode.parent)) {
if (parentNode.data && (styleData = normalizeStyleData(parentNode.data))) {
extend(res, styleData);
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}
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}
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return res
}
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/* */
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function genStyle (style) {
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var styleText = '';
for (var key in style) {
var value = style[key];
var hyphenatedKey = hyphenate(key);
if (Array.isArray(value)) {
for (var i = 0, len = value.length; i < len; i++) {
styleText += hyphenatedKey + ":" + (value[i]) + ";";
}
} else {
styleText += hyphenatedKey + ":" + value + ";";
}
}
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return styleText
}
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function renderStyle (vnode) {
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var styleText = genStyle(getStyle(vnode, false));
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if (styleText !== '') {
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return (" style=" + (JSON.stringify(escape(styleText))))
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}
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}
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var modules = [
renderAttrs,
renderDOMProps,
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renderClass$1,
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renderStyle
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]
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/* */
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function show (node, dir) {
if (!dir.value) {
var style = node.data.style || (node.data.style = {});
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if (Array.isArray(style)) {
style.push({ display: 'none' });
} else {
style.display = 'none';
}
}
}
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/* */
// this is only applied for <select v-model> because it is the only edge case
// that must be done at runtime instead of compile time.
function model (node, dir) {
if (!node.children) { return }
var value = dir.value;
var isMultiple = node.data.attrs && node.data.attrs.multiple;
for (var i = 0, l = node.children.length; i < l; i++) {
var option = node.children[i];
if (option.tag === 'option') {
if (isMultiple) {
var selected =
Array.isArray(value) &&
(looseIndexOf(value, getValue(option)) > -1);
if (selected) {
setSelected(option);
}
} else {
if (looseEqual(value, getValue(option))) {
setSelected(option);
return
}
}
}
}
}
function getValue (option) {
var data = option.data || {};
return (
(data.attrs && data.attrs.value) ||
(data.domProps && data.domProps.value) ||
(option.children && option.children[0] && option.children[0].text)
)
}
function setSelected (option) {
var data = option.data || (option.data = {});
var attrs = data.attrs || (data.attrs = {});
attrs.selected = '';
}
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var baseDirectives = {
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show: show,
model: model
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}
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/* */
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var isUnaryTag = makeMap(
'area,base,br,col,embed,frame,hr,img,input,isindex,keygen,' +
'link,meta,param,source,track,wbr'
);
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// Elements that you can, intentionally, leave open
// (and which close themselves)
var canBeLeftOpenTag = makeMap(
'colgroup,dd,dt,li,options,p,td,tfoot,th,thead,tr,source'
);
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// HTML5 tags https://html.spec.whatwg.org/multipage/indices.html#elements-3
// Phrasing Content https://html.spec.whatwg.org/multipage/dom.html#phrasing-content
var isNonPhrasingTag = makeMap(
'address,article,aside,base,blockquote,body,caption,col,colgroup,dd,' +
'details,dialog,div,dl,dt,fieldset,figcaption,figure,footer,form,' +
'h1,h2,h3,h4,h5,h6,head,header,hgroup,hr,html,legend,li,menuitem,meta,' +
'optgroup,option,param,rp,rt,source,style,summary,tbody,td,tfoot,th,thead,' +
'title,tr,track'
);
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/* */
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var MAX_STACK_DEPTH = 1000;
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var noop$1 = function (_) { return _; };
var defer = typeof process !== 'undefined' && process.nextTick
? process.nextTick
: typeof Promise !== 'undefined'
? function (fn) { return Promise.resolve().then(fn); }
: typeof setTimeout !== 'undefined'
? setTimeout
: noop$1;
if (defer === noop$1) {
throw new Error(
'Your JavaScript runtime does not support any asynchronous primitives ' +
'that are required by vue-server-renderer. Please use a polyfill for ' +
'either Promise or setTimeout.'
)
}
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function createWriteFunction (
write,
onError
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) {
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var stackDepth = 0;
var cachedWrite = function (text, next) {
if (text && cachedWrite.caching) {
cachedWrite.cacheBuffer[cachedWrite.cacheBuffer.length - 1] += text;
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}
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var waitForNext = write(text, next);
if (waitForNext !== true) {
if (stackDepth >= MAX_STACK_DEPTH) {
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defer(function () {
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try { next(); } catch (e) {
onError(e);
}
});
} else {
stackDepth++;
next();
stackDepth--;
}
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}
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};
cachedWrite.caching = false;
cachedWrite.cacheBuffer = [];
cachedWrite.componentBuffer = [];
return cachedWrite
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}
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/* */
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/**
* Original RenderStream implementation by Sasha Aickin (@aickin)
* Licensed under the Apache License, Version 2.0
* http://www.apache.org/licenses/LICENSE-2.0
*
* Modified by Evan You (@yyx990803)
*/
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var stream = require('stream');
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var RenderStream = (function (superclass) {
function RenderStream (render) {
var this$1 = this;
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superclass.call(this);
this.buffer = '';
this.render = render;
this.expectedSize = 0;
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this.write = createWriteFunction(function (text, next) {
var n = this$1.expectedSize;
this$1.buffer += text;
if (this$1.buffer.length >= n) {
this$1.next = next;
this$1.pushBySize(n);
return true // we will decide when to call next
}
return false
}, function (err) {
this$1.emit('error', err);
});
this.end = function () {
// the rendering is finished; we should push out the last of the buffer.
this$1.done = true;
this$1.push(this$1.buffer);
};
}
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if ( superclass ) RenderStream.__proto__ = superclass;
RenderStream.prototype = Object.create( superclass && superclass.prototype );
RenderStream.prototype.constructor = RenderStream;
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RenderStream.prototype.pushBySize = function pushBySize (n) {
var bufferToPush = this.buffer.substring(0, n);
this.buffer = this.buffer.substring(n);
this.push(bufferToPush);
};
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RenderStream.prototype.tryRender = function tryRender () {
try {
this.render(this.write, this.end);
} catch (e) {
this.emit('error', e);
}
};
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RenderStream.prototype.tryNext = function tryNext () {
try {
this.next();
} catch (e) {
this.emit('error', e);
}
};
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RenderStream.prototype._read = function _read (n) {
this.expectedSize = n;
// it's possible that the last chunk added bumped the buffer up to > 2 * n,
// which means we will need to go through multiple read calls to drain it
// down to < n.
if (isTrue(this.done)) {
this.push(null);
return
}
if (this.buffer.length >= n) {
this.pushBySize(n);
return
}
if (isUndef(this.next)) {
// start the rendering chain.
this.tryRender();
} else {
// continue with the rendering.
this.tryNext();
}
};
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return RenderStream;
}(stream.Readable));
/* */
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var RenderContext = function RenderContext (options) {
this.userContext = options.userContext;
this.activeInstance = options.activeInstance;
this.renderStates = [];
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this.write = options.write;
this.done = options.done;
this.renderNode = options.renderNode;
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this.isUnaryTag = options.isUnaryTag;
this.modules = options.modules;
this.directives = options.directives;
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var cache = options.cache;
if (cache && (!cache.get || !cache.set)) {
throw new Error('renderer cache must implement at least get & set.')
}
this.cache = cache;
this.get = cache && normalizeAsync(cache, 'get');
this.has = cache && normalizeAsync(cache, 'has');
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this.next = this.next.bind(this);
};
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RenderContext.prototype.next = function next () {
var lastState = this.renderStates[this.renderStates.length - 1];
if (isUndef(lastState)) {
return this.done()
}
switch (lastState.type) {
case 'Element':
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case 'Fragment':
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var children = lastState.children;
var total = lastState.total;
var rendered = lastState.rendered++;
if (rendered < total) {
this.renderNode(children[rendered], false, this);
} else {
this.renderStates.pop();
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if (lastState.type === 'Element') {
this.write(lastState.endTag, this.next);
} else {
this.next();
}
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}
break
case 'Component':
this.renderStates.pop();
this.activeInstance = lastState.prevActive;
this.next();
break
case 'ComponentWithCache':
this.renderStates.pop();
var buffer = lastState.buffer;
var bufferIndex = lastState.bufferIndex;
var componentBuffer = lastState.componentBuffer;
var key = lastState.key;
var result = {
html: buffer[bufferIndex],
components: componentBuffer[bufferIndex]
};
this.cache.set(key, result);
if (bufferIndex === 0) {
// this is a top-level cached component,
// exit caching mode.
this.write.caching = false;
} else {
// parent component is also being cached,
// merge self into parent's result
buffer[bufferIndex - 1] += result.html;
var prev = componentBuffer[bufferIndex - 1];
result.components.forEach(function (c) { return prev.add(c); });
}
buffer.length = bufferIndex;
componentBuffer.length = bufferIndex;
this.next();
break
}
};
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function normalizeAsync (cache, method) {
var fn = cache[method];
if (isUndef(fn)) {
return
} else if (fn.length > 1) {
return function (key, cb) { return fn.call(cache, key, cb); }
} else {
return function (key, cb) { return cb(fn.call(cache, key)); }
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}
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}
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/* */
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var validDivisionCharRE = /[\w).+\-_$\]]/;
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function parseFilters (exp) {
var inSingle = false;
var inDouble = false;
var inTemplateString = false;
var inRegex = false;
var curly = 0;
var square = 0;
var paren = 0;
var lastFilterIndex = 0;
var c, prev, i, expression, filters;
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for (i = 0; i < exp.length; i++) {
prev = c;
c = exp.charCodeAt(i);
if (inSingle) {
if (c === 0x27 && prev !== 0x5C) { inSingle = false; }
} else if (inDouble) {
if (c === 0x22 && prev !== 0x5C) { inDouble = false; }
} else if (inTemplateString) {
if (c === 0x60 && prev !== 0x5C) { inTemplateString = false; }
} else if (inRegex) {
if (c === 0x2f && prev !== 0x5C) { inRegex = false; }
} else if (
c === 0x7C && // pipe
exp.charCodeAt(i + 1) !== 0x7C &&
exp.charCodeAt(i - 1) !== 0x7C &&
!curly && !square && !paren
) {
if (expression === undefined) {
// first filter, end of expression
lastFilterIndex = i + 1;
expression = exp.slice(0, i).trim();
} else {
pushFilter();
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}
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} else {
switch (c) {
case 0x22: inDouble = true; break // "
case 0x27: inSingle = true; break // '
case 0x60: inTemplateString = true; break // `
case 0x28: paren++; break // (
case 0x29: paren--; break // )
case 0x5B: square++; break // [
case 0x5D: square--; break // ]
case 0x7B: curly++; break // {
case 0x7D: curly--; break // }
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}
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if (c === 0x2f) { // /
var j = i - 1;
var p = (void 0);
// find first non-whitespace prev char
for (; j >= 0; j--) {
p = exp.charAt(j);
if (p !== ' ') { break }
}
if (!p || !validDivisionCharRE.test(p)) {
inRegex = true;
}
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}
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}
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}
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if (expression === undefined) {
expression = exp.slice(0, i).trim();
} else if (lastFilterIndex !== 0) {
pushFilter();
}
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function pushFilter () {
(filters || (filters = [])).push(exp.slice(lastFilterIndex, i).trim());
lastFilterIndex = i + 1;
}
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if (filters) {
for (i = 0; i < filters.length; i++) {
expression = wrapFilter(expression, filters[i]);
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}
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}
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return expression
}
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function wrapFilter (exp, filter) {
var i = filter.indexOf('(');
if (i < 0) {
// _f: resolveFilter
return ("_f(\"" + filter + "\")(" + exp + ")")
} else {
var name = filter.slice(0, i);
var args = filter.slice(i + 1);
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return ("_f(\"" + name + "\")(" + exp + (args !== ')' ? ',' + args : args))
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}
}
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/* */
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var defaultTagRE = /\{\{((?:.|\n)+?)\}\}/g;
var regexEscapeRE = /[-.*+?^${}()|[\]\/\\]/g;
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var buildRegex = cached(function (delimiters) {
var open = delimiters[0].replace(regexEscapeRE, '\\$&');
var close = delimiters[1].replace(regexEscapeRE, '\\$&');
return new RegExp(open + '((?:.|\\n)+?)' + close, 'g')
});
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function parseText (
text,
delimiters
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) {
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var tagRE = delimiters ? buildRegex(delimiters) : defaultTagRE;
if (!tagRE.test(text)) {
return
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}
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var tokens = [];
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var rawTokens = [];
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var lastIndex = tagRE.lastIndex = 0;
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var match, index, tokenValue;
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while ((match = tagRE.exec(text))) {
index = match.index;
// push text token
if (index > lastIndex) {
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rawTokens.push(tokenValue = text.slice(lastIndex, index));
tokens.push(JSON.stringify(tokenValue));
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}
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// tag token
var exp = parseFilters(match[1].trim());
tokens.push(("_s(" + exp + ")"));
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rawTokens.push({ '@binding': exp });
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lastIndex = index + match[0].length;
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}
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if (lastIndex < text.length) {
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rawTokens.push(tokenValue = text.slice(lastIndex));
tokens.push(JSON.stringify(tokenValue));
}
return {
expression: tokens.join('+'),
tokens: rawTokens
}
}
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/* */
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function baseWarn (msg) {
console.error(("[Vue compiler]: " + msg));
}
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function pluckModuleFunction (
modules,
key
) {
return modules
? modules.map(function (m) { return m[key]; }).filter(function (_) { return _; })
: []
}
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function addProp (el, name, value) {
(el.props || (el.props = [])).push({ name: name, value: value });
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el.plain = false;
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}
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function addAttr (el, name, value) {
(el.attrs || (el.attrs = [])).push({ name: name, value: value });
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el.plain = false;
}
// add a raw attr (use this in preTransforms)
function addRawAttr (el, name, value) {
el.attrsMap[name] = value;
el.attrsList.push({ name: name, value: value });
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}
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function addDirective (
el,
name,
rawName,
value,
arg,
modifiers
) {
(el.directives || (el.directives = [])).push({ name: name, rawName: rawName, value: value, arg: arg, modifiers: modifiers });
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el.plain = false;
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}
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function addHandler (
el,
name,
value,
modifiers,
important,
warn
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) {
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modifiers = modifiers || emptyObject;
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// warn prevent and passive modifier
/* istanbul ignore if */
if (
process.env.NODE_ENV !== 'production' && warn &&
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modifiers.prevent && modifiers.passive
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) {
warn(
'passive and prevent can\'t be used together. ' +
'Passive handler can\'t prevent default event.'
);
}
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// check capture modifier
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if (modifiers.capture) {
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delete modifiers.capture;
name = '!' + name; // mark the event as captured
}
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if (modifiers.once) {
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delete modifiers.once;
name = '~' + name; // mark the event as once
}
/* istanbul ignore if */
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if (modifiers.passive) {
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delete modifiers.passive;
name = '&' + name; // mark the event as passive
}
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// normalize click.right and click.middle since they don't actually fire
// this is technically browser-specific, but at least for now browsers are
// the only target envs that have right/middle clicks.
if (name === 'click') {
if (modifiers.right) {
name = 'contextmenu';
delete modifiers.right;
} else if (modifiers.middle) {
name = 'mouseup';
}
}
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var events;
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if (modifiers.native) {
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delete modifiers.native;
events = el.nativeEvents || (el.nativeEvents = {});
} else {
events = el.events || (el.events = {});
}
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var newHandler = {
value: value.trim()
};
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if (modifiers !== emptyObject) {
newHandler.modifiers = modifiers;
}
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var handlers = events[name];
/* istanbul ignore if */
if (Array.isArray(handlers)) {
important ? handlers.unshift(newHandler) : handlers.push(newHandler);
} else if (handlers) {
events[name] = important ? [newHandler, handlers] : [handlers, newHandler];
} else {
events[name] = newHandler;
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}
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el.plain = false;
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}
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function getBindingAttr (
el,
name,
getStatic
) {
var dynamicValue =
getAndRemoveAttr(el, ':' + name) ||
getAndRemoveAttr(el, 'v-bind:' + name);
if (dynamicValue != null) {
return parseFilters(dynamicValue)
} else if (getStatic !== false) {
var staticValue = getAndRemoveAttr(el, name);
if (staticValue != null) {
return JSON.stringify(staticValue)
}
}
}
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// note: this only removes the attr from the Array (attrsList) so that it
// doesn't get processed by processAttrs.
// By default it does NOT remove it from the map (attrsMap) because the map is
// needed during codegen.
function getAndRemoveAttr (
el,
name,
removeFromMap
) {
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var val;
if ((val = el.attrsMap[name]) != null) {
var list = el.attrsList;
for (var i = 0, l = list.length; i < l; i++) {
if (list[i].name === name) {
list.splice(i, 1);
break
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}
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}
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}
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if (removeFromMap) {
delete el.attrsMap[name];
}
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return val
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}
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/* */
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function transformNode (el, options) {
var warn = options.warn || baseWarn;
var staticClass = getAndRemoveAttr(el, 'class');
if (process.env.NODE_ENV !== 'production' && staticClass) {
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var res = parseText(staticClass, options.delimiters);
if (res) {
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warn(
"class=\"" + staticClass + "\": " +
'Interpolation inside attributes has been removed. ' +
'Use v-bind or the colon shorthand instead. For example, ' +
'instead of <div class="{{ val }}">, use <div :class="val">.'
);
}
}
if (staticClass) {
el.staticClass = JSON.stringify(staticClass);
}
var classBinding = getBindingAttr(el, 'class', false /* getStatic */);
if (classBinding) {
el.classBinding = classBinding;
}
}
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function genData (el) {
var data = '';
if (el.staticClass) {
data += "staticClass:" + (el.staticClass) + ",";
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}
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if (el.classBinding) {
data += "class:" + (el.classBinding) + ",";
}
return data
}
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var klass = {
staticKeys: ['staticClass'],
transformNode: transformNode,
genData: genData
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}
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/* */
function transformNode$1 (el, options) {
var warn = options.warn || baseWarn;
var staticStyle = getAndRemoveAttr(el, 'style');
if (staticStyle) {
/* istanbul ignore if */
if (process.env.NODE_ENV !== 'production') {
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var res = parseText(staticStyle, options.delimiters);
if (res) {
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warn(
"style=\"" + staticStyle + "\": " +
'Interpolation inside attributes has been removed. ' +
'Use v-bind or the colon shorthand instead. For example, ' +
'instead of <div style="{{ val }}">, use <div :style="val">.'
);
}
}
el.staticStyle = JSON.stringify(parseStyleText(staticStyle));
}
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var styleBinding = getBindingAttr(el, 'style', false /* getStatic */);
if (styleBinding) {
el.styleBinding = styleBinding;
}
}
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function genData$1 (el) {
var data = '';
if (el.staticStyle) {
data += "staticStyle:" + (el.staticStyle) + ",";
}
if (el.styleBinding) {
data += "style:(" + (el.styleBinding) + "),";
}
return data
}
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var style = {
staticKeys: ['staticStyle'],
transformNode: transformNode$1,
genData: genData$1
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}
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/**
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* Not type-checking this file because it's mostly vendor code.
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*/
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/*!
* HTML Parser By John Resig (ejohn.org)
* Modified by Juriy "kangax" Zaytsev
* Original code by Erik Arvidsson, Mozilla Public License
* http://erik.eae.net/simplehtmlparser/simplehtmlparser.js
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*/
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// Regular Expressions for parsing tags and attributes
var attribute = /^\s*([^\s"'<>\/=]+)(?:\s*(=)\s*(?:"([^"]*)"+|'([^']*)'+|([^\s"'=<>`]+)))?/;
// could use https://www.w3.org/TR/1999/REC-xml-names-19990114/#NT-QName
// but for Vue templates we can enforce a simple charset
var ncname = '[a-zA-Z_][\\w\\-\\.]*';
var qnameCapture = "((?:" + ncname + "\\:)?" + ncname + ")";
var startTagOpen = new RegExp(("^<" + qnameCapture));
var startTagClose = /^\s*(\/?)>/;
var endTag = new RegExp(("^<\\/" + qnameCapture + "[^>]*>"));
var doctype = /^<!DOCTYPE [^>]+>/i;
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// #7298: escape - to avoid being pased as HTML comment when inlined in page
var comment = /^<!\--/;
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var conditionalComment = /^<!\[/;
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var IS_REGEX_CAPTURING_BROKEN = false;
'x'.replace(/x(.)?/g, function (m, g) {
IS_REGEX_CAPTURING_BROKEN = g === '';
});
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// Special Elements (can contain anything)
var isPlainTextElement = makeMap('script,style,textarea', true);
var reCache = {};
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var decodingMap = {
'&lt;': '<',
'&gt;': '>',
'&quot;': '"',
'&amp;': '&',
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'&#10;': '\n',
'&#9;': '\t'
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};
var encodedAttr = /&(?:lt|gt|quot|amp);/g;
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var encodedAttrWithNewLines = /&(?:lt|gt|quot|amp|#10|#9);/g;
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// #5992
var isIgnoreNewlineTag = makeMap('pre,textarea', true);
var shouldIgnoreFirstNewline = function (tag, html) { return tag && isIgnoreNewlineTag(tag) && html[0] === '\n'; };
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function decodeAttr (value, shouldDecodeNewlines) {
var re = shouldDecodeNewlines ? encodedAttrWithNewLines : encodedAttr;
return value.replace(re, function (match) { return decodingMap[match]; })
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}
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function parseHTML (html, options) {
var stack = [];
var expectHTML = options.expectHTML;
var isUnaryTag$$1 = options.isUnaryTag || no;
var canBeLeftOpenTag$$1 = options.canBeLeftOpenTag || no;
var index = 0;
var last, lastTag;
while (html) {
last = html;
// Make sure we're not in a plaintext content element like script/style
if (!lastTag || !isPlainTextElement(lastTag)) {
var textEnd = html.indexOf('<');
if (textEnd === 0) {
// Comment:
if (comment.test(html)) {
var commentEnd = html.indexOf('-->');
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if (commentEnd >= 0) {
if (options.shouldKeepComment) {
options.comment(html.substring(4, commentEnd));
}
advance(commentEnd + 3);
continue
}
}
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// http://en.wikipedia.org/wiki/Conditional_comment#Downlevel-revealed_conditional_comment
if (conditionalComment.test(html)) {
var conditionalEnd = html.indexOf(']>');
if (conditionalEnd >= 0) {
advance(conditionalEnd + 2);
continue
}
}
// Doctype:
var doctypeMatch = html.match(doctype);
if (doctypeMatch) {
advance(doctypeMatch[0].length);
continue
}
// End tag:
var endTagMatch = html.match(endTag);
if (endTagMatch) {
var curIndex = index;
advance(endTagMatch[0].length);
parseEndTag(endTagMatch[1], curIndex, index);
continue
}
// Start tag:
var startTagMatch = parseStartTag();
if (startTagMatch) {
handleStartTag(startTagMatch);
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if (shouldIgnoreFirstNewline(lastTag, html)) {
advance(1);
}
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continue
}
}
var text = (void 0), rest = (void 0), next = (void 0);
if (textEnd >= 0) {
rest = html.slice(textEnd);
while (
!endTag.test(rest) &&
!startTagOpen.test(rest) &&
!comment.test(rest) &&
!conditionalComment.test(rest)
) {
// < in plain text, be forgiving and treat it as text
next = rest.indexOf('<', 1);
if (next < 0) { break }
textEnd += next;
rest = html.slice(textEnd);
}
text = html.substring(0, textEnd);
advance(textEnd);
}
if (textEnd < 0) {
text = html;
html = '';
}
if (options.chars && text) {
options.chars(text);
}
} else {
var endTagLength = 0;
var stackedTag = lastTag.toLowerCase();
var reStackedTag = reCache[stackedTag] || (reCache[stackedTag] = new RegExp('([\\s\\S]*?)(</' + stackedTag + '[^>]*>)', 'i'));
var rest$1 = html.replace(reStackedTag, function (all, text, endTag) {
endTagLength = endTag.length;
if (!isPlainTextElement(stackedTag) && stackedTag !== 'noscript') {
text = text
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.replace(/<!\--([\s\S]*?)-->/g, '$1') // #7298
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.replace(/<!\[CDATA\[([\s\S]*?)]]>/g, '$1');
}
if (shouldIgnoreFirstNewline(stackedTag, text)) {
text = text.slice(1);
}
if (options.chars) {
options.chars(text);
}
return ''
});
index += html.length - rest$1.length;
html = rest$1;
parseEndTag(stackedTag, index - endTagLength, index);
}
if (html === last) {
options.chars && options.chars(html);
if (process.env.NODE_ENV !== 'production' && !stack.length && options.warn) {
options.warn(("Mal-formatted tag at end of template: \"" + html + "\""));
}
break
}
}
// Clean up any remaining tags
parseEndTag();
function advance (n) {
index += n;
html = html.substring(n);
}
function parseStartTag () {
var start = html.match(startTagOpen);
if (start) {
var match = {
tagName: start[1],
attrs: [],
start: index
};
advance(start[0].length);
var end, attr;
while (!(end = html.match(startTagClose)) && (attr = html.match(attribute))) {
advance(attr[0].length);
match.attrs.push(attr);
}
if (end) {
match.unarySlash = end[1];
advance(end[0].length);
match.end = index;
return match
}
}
}
function handleStartTag (match) {
var tagName = match.tagName;
var unarySlash = match.unarySlash;
if (expectHTML) {
if (lastTag === 'p' && isNonPhrasingTag(tagName)) {
parseEndTag(lastTag);
}
if (canBeLeftOpenTag$$1(tagName) && lastTag === tagName) {
parseEndTag(tagName);
}
}
var unary = isUnaryTag$$1(tagName) || !!unarySlash;
var l = match.attrs.length;
var attrs = new Array(l);
for (var i = 0; i < l; i++) {
var args = match.attrs[i];
// hackish work around FF bug https://bugzilla.mozilla.org/show_bug.cgi?id=369778
if (IS_REGEX_CAPTURING_BROKEN && args[0].indexOf('""') === -1) {
if (args[3] === '') { delete args[3]; }
if (args[4] === '') { delete args[4]; }
if (args[5] === '') { delete args[5]; }
}
var value = args[3] || args[4] || args[5] || '';
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var shouldDecodeNewlines = tagName === 'a' && args[1] === 'href'
? options.shouldDecodeNewlinesForHref
: options.shouldDecodeNewlines;
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attrs[i] = {
name: args[1],
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value: decodeAttr(value, shouldDecodeNewlines)
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};
}
if (!unary) {
stack.push({ tag: tagName, lowerCasedTag: tagName.toLowerCase(), attrs: attrs });
lastTag = tagName;
}
if (options.start) {
options.start(tagName, attrs, unary, match.start, match.end);
}
}
function parseEndTag (tagName, start, end) {
var pos, lowerCasedTagName;
if (start == null) { start = index; }
if (end == null) { end = index; }
if (tagName) {
lowerCasedTagName = tagName.toLowerCase();
}
// Find the closest opened tag of the same type
if (tagName) {
for (pos = stack.length - 1; pos >= 0; pos--) {
if (stack[pos].lowerCasedTag === lowerCasedTagName) {
break
}
}
} else {
// If no tag name is provided, clean shop
pos = 0;
}
if (pos >= 0) {
// Close all the open elements, up the stack
for (var i = stack.length - 1; i >= pos; i--) {
if (process.env.NODE_ENV !== 'production' &&
(i > pos || !tagName) &&
options.warn
) {
options.warn(
("tag <" + (stack[i].tag) + "> has no matching end tag.")
);
}
if (options.end) {
options.end(stack[i].tag, start, end);
}
}
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// Remove the open elements from the stack
stack.length = pos;
lastTag = pos && stack[pos - 1].tag;
} else if (lowerCasedTagName === 'br') {
if (options.start) {
options.start(tagName, [], true, start, end);
}
} else if (lowerCasedTagName === 'p') {
if (options.start) {
options.start(tagName, [], false, start, end);
}
if (options.end) {
options.end(tagName, start, end);
}
}
}
}
/* */
/**
* Cross-platform code generation for component v-model
*/
function genComponentModel (
el,
value,
modifiers
) {
var ref = modifiers || {};
var number = ref.number;
var trim = ref.trim;
var baseValueExpression = '$$v';
var valueExpression = baseValueExpression;
if (trim) {
valueExpression =
"(typeof " + baseValueExpression + " === 'string'" +
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"? " + baseValueExpression + ".trim()" +
": " + baseValueExpression + ")";
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}
if (number) {
valueExpression = "_n(" + valueExpression + ")";
}
var assignment = genAssignmentCode(value, valueExpression);
el.model = {
value: ("(" + value + ")"),
expression: ("\"" + value + "\""),
callback: ("function (" + baseValueExpression + ") {" + assignment + "}")
};
}
/**
* Cross-platform codegen helper for generating v-model value assignment code.
*/
function genAssignmentCode (
value,
assignment
) {
var res = parseModel(value);
if (res.key === null) {
return (value + "=" + assignment)
} else {
return ("$set(" + (res.exp) + ", " + (res.key) + ", " + assignment + ")")
}
}
/**
* Parse a v-model expression into a base path and a final key segment.
* Handles both dot-path and possible square brackets.
*
* Possible cases:
*
* - test
* - test[key]
* - test[test1[key]]
* - test["a"][key]
* - xxx.test[a[a].test1[key]]
* - test.xxx.a["asa"][test1[key]]
*
*/
var len;
var str;
var chr;
var index;
var expressionPos;
var expressionEndPos;
function parseModel (val) {
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// Fix https://github.com/vuejs/vue/pull/7730
// allow v-model="obj.val " (trailing whitespace)
val = val.trim();
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len = val.length;
if (val.indexOf('[') < 0 || val.lastIndexOf(']') < len - 1) {
index = val.lastIndexOf('.');
if (index > -1) {
return {
exp: val.slice(0, index),
key: '"' + val.slice(index + 1) + '"'
}
} else {
return {
exp: val,
key: null
}
}
}
str = val;
index = expressionPos = expressionEndPos = 0;
while (!eof()) {
chr = next();
/* istanbul ignore if */
if (isStringStart(chr)) {
parseString(chr);
} else if (chr === 0x5B) {
parseBracket(chr);
}
}
return {
exp: val.slice(0, expressionPos),
key: val.slice(expressionPos + 1, expressionEndPos)
}
}
function next () {
return str.charCodeAt(++index)
}
function eof () {
return index >= len
}
function isStringStart (chr) {
return chr === 0x22 || chr === 0x27
}
function parseBracket (chr) {
var inBracket = 1;
expressionPos = index;
while (!eof()) {
chr = next();
if (isStringStart(chr)) {
parseString(chr);
continue
}
if (chr === 0x5B) { inBracket++; }
if (chr === 0x5D) { inBracket--; }
if (inBracket === 0) {
expressionEndPos = index;
break
}
}
}
function parseString (chr) {
var stringQuote = chr;
while (!eof()) {
chr = next();
if (chr === stringQuote) {
break
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}
}
}
/* */
var onRE = /^@|^v-on:/;
var dirRE = /^v-|^@|^:/;
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var forAliasRE = /([^]*?)\s+(?:in|of)\s+([^]*)/;
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var forIteratorRE = /,([^,\}\]]*)(?:,([^,\}\]]*))?$/;
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var stripParensRE = /^\(|\)$/g;
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var argRE = /:(.*)$/;
var bindRE = /^:|^v-bind:/;
var modifierRE = /\.[^.]+/g;
var decodeHTMLCached = cached(he.decode);
// configurable state
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var warn$1;
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var delimiters;
var transforms;
var preTransforms;
var postTransforms;
var platformIsPreTag;
var platformMustUseProp;
var platformGetTagNamespace;
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function createASTElement (
tag,
attrs,
parent
) {
return {
type: 1,
tag: tag,
attrsList: attrs,
attrsMap: makeAttrsMap(attrs),
parent: parent,
children: []
}
}
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/**
* Convert HTML string to AST.
*/
function parse (
template,
options
) {
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warn$1 = options.warn || baseWarn;
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platformIsPreTag = options.isPreTag || no;
platformMustUseProp = options.mustUseProp || no;
platformGetTagNamespace = options.getTagNamespace || no;
transforms = pluckModuleFunction(options.modules, 'transformNode');
preTransforms = pluckModuleFunction(options.modules, 'preTransformNode');
postTransforms = pluckModuleFunction(options.modules, 'postTransformNode');
delimiters = options.delimiters;
var stack = [];
var preserveWhitespace = options.preserveWhitespace !== false;
var root;
var currentParent;
var inVPre = false;
var inPre = false;
var warned = false;
function warnOnce (msg) {
if (!warned) {
warned = true;
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warn$1(msg);
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}
}
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function closeElement (element) {
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// check pre state
if (element.pre) {
inVPre = false;
}
if (platformIsPreTag(element.tag)) {
inPre = false;
}
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// apply post-transforms
for (var i = 0; i < postTransforms.length; i++) {
postTransforms[i](element, options);
}
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}
parseHTML(template, {
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warn: warn$1,
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expectHTML: options.expectHTML,
isUnaryTag: options.isUnaryTag,
canBeLeftOpenTag: options.canBeLeftOpenTag,
shouldDecodeNewlines: options.shouldDecodeNewlines,
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shouldDecodeNewlinesForHref: options.shouldDecodeNewlinesForHref,
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shouldKeepComment: options.comments,
start: function start (tag, attrs, unary) {
// check namespace.
// inherit parent ns if there is one
var ns = (currentParent && currentParent.ns) || platformGetTagNamespace(tag);
// handle IE svg bug
/* istanbul ignore if */
if (isIE && ns === 'svg') {
attrs = guardIESVGBug(attrs);
}
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var element = createASTElement(tag, attrs, currentParent);
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if (ns) {
element.ns = ns;
}
if (isForbiddenTag(element) && !isServerRendering()) {
element.forbidden = true;
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process.env.NODE_ENV !== 'production' && warn$1(
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'Templates should only be responsible for mapping the state to the ' +
'UI. Avoid placing tags with side-effects in your templates, such as ' +
"<" + tag + ">" + ', as they will not be parsed.'
);
}
// apply pre-transforms
for (var i = 0; i < preTransforms.length; i++) {
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element = preTransforms[i](element, options) || element;
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}
if (!inVPre) {
processPre(element);
if (element.pre) {
inVPre = true;
}
}
if (platformIsPreTag(element.tag)) {
inPre = true;
}
if (inVPre) {
processRawAttrs(element);
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} else if (!element.processed) {
// structural directives
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processFor(element);
processIf(element);
processOnce(element);
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// element-scope stuff
processElement(element, options);
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}
function checkRootConstraints (el) {
if (process.env.NODE_ENV !== 'production') {
if (el.tag === 'slot' || el.tag === 'template') {
warnOnce(
"Cannot use <" + (el.tag) + "> as component root element because it may " +
'contain multiple nodes.'
);
}
if (el.attrsMap.hasOwnProperty('v-for')) {
warnOnce(
'Cannot use v-for on stateful component root element because ' +
'it renders multiple elements.'
);
}
}
}
// tree management
if (!root) {
root = element;
checkRootConstraints(root);
} else if (!stack.length) {
// allow root elements with v-if, v-else-if and v-else
if (root.if && (element.elseif || element.else)) {
checkRootConstraints(element);
addIfCondition(root, {
exp: element.elseif,
block: element
});
} else if (process.env.NODE_ENV !== 'production') {
warnOnce(
"Component template should contain exactly one root element. " +
"If you are using v-if on multiple elements, " +
"use v-else-if to chain them instead."
);
}
}
if (currentParent && !element.forbidden) {
if (element.elseif || element.else) {
processIfConditions(element, currentParent);
} else if (element.slotScope) { // scoped slot
currentParent.plain = false;
var name = element.slotTarget || '"default"';(currentParent.scopedSlots || (currentParent.scopedSlots = {}))[name] = element;
} else {
currentParent.children.push(element);
element.parent = currentParent;
}
}
if (!unary) {
currentParent = element;
stack.push(element);
} else {
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closeElement(element);
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}
},
end: function end () {
// remove trailing whitespace
var element = stack[stack.length - 1];
var lastNode = element.children[element.children.length - 1];
if (lastNode && lastNode.type === 3 && lastNode.text === ' ' && !inPre) {
element.children.pop();
}
// pop stack
stack.length -= 1;
currentParent = stack[stack.length - 1];
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closeElement(element);
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},
chars: function chars (text) {
if (!currentParent) {
if (process.env.NODE_ENV !== 'production') {
if (text === template) {
warnOnce(
'Component template requires a root element, rather than just text.'
);
} else if ((text = text.trim())) {
warnOnce(
("text \"" + text + "\" outside root element will be ignored.")
);
}
}
return
}
// IE textarea placeholder bug
/* istanbul ignore if */
if (isIE &&
currentParent.tag === 'textarea' &&
currentParent.attrsMap.placeholder === text
) {
return
}
var children = currentParent.children;
text = inPre || text.trim()
? isTextTag(currentParent) ? text : decodeHTMLCached(text)
// only preserve whitespace if its not right after a starting tag
: preserveWhitespace && children.length ? ' ' : '';
if (text) {
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var res;
if (!inVPre && text !== ' ' && (res = parseText(text, delimiters))) {
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children.push({
type: 2,
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expression: res.expression,
tokens: res.tokens,
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text: text
});
} else if (text !== ' ' || !children.length || children[children.length - 1].text !== ' ') {
children.push({
type: 3,
text: text
});
}
}
},
comment: function comment (text) {
currentParent.children.push({
type: 3,
text: text,
isComment: true
});
}
});
return root
}
function processPre (el) {
if (getAndRemoveAttr(el, 'v-pre') != null) {
el.pre = true;
}
}
function processRawAttrs (el) {
var l = el.attrsList.length;
if (l) {
var attrs = el.attrs = new Array(l);
for (var i = 0; i < l; i++) {
attrs[i] = {
name: el.attrsList[i].name,
value: JSON.stringify(el.attrsList[i].value)
};
}
} else if (!el.pre) {
// non root node in pre blocks with no attributes
el.plain = true;
}
}
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function processElement (element, options) {
processKey(element);
// determine whether this is a plain element after
// removing structural attributes
element.plain = !element.key && !element.attrsList.length;
processRef(element);
processSlot(element);
processComponent(element);
for (var i = 0; i < transforms.length; i++) {
element = transforms[i](element, options) || element;
}
processAttrs(element);
}
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function processKey (el) {
var exp = getBindingAttr(el, 'key');
if (exp) {
if (process.env.NODE_ENV !== 'production' && el.tag === 'template') {
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warn$1("<template> cannot be keyed. Place the key on real elements instead.");
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}
el.key = exp;
}
}
function processRef (el) {
var ref = getBindingAttr(el, 'ref');
if (ref) {
el.ref = ref;
el.refInFor = checkInFor(el);
}
}
function processFor (el) {
var exp;
if ((exp = getAndRemoveAttr(el, 'v-for'))) {
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var res = parseFor(exp);
if (res) {
extend(el, res);
} else if (process.env.NODE_ENV !== 'production') {
warn$1(
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("Invalid v-for expression: " + exp)
);
}
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}
}
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function parseFor (exp) {
var inMatch = exp.match(forAliasRE);
if (!inMatch) { return }
var res = {};
res.for = inMatch[2].trim();
var alias = inMatch[1].trim().replace(stripParensRE, '');
var iteratorMatch = alias.match(forIteratorRE);
if (iteratorMatch) {
res.alias = alias.replace(forIteratorRE, '');
res.iterator1 = iteratorMatch[1].trim();
if (iteratorMatch[2]) {
res.iterator2 = iteratorMatch[2].trim();
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}
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} else {
res.alias = alias;
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}
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return res
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}
function processIf (el) {
var exp = getAndRemoveAttr(el, 'v-if');
if (exp) {
el.if = exp;
addIfCondition(el, {
exp: exp,
block: el
});
} else {
if (getAndRemoveAttr(el, 'v-else') != null) {
el.else = true;
}
var elseif = getAndRemoveAttr(el, 'v-else-if');
if (elseif) {
el.elseif = elseif;
}
}
}
function processIfConditions (el, parent) {
var prev = findPrevElement(parent.children);
if (prev && prev.if) {
addIfCondition(prev, {
exp: el.elseif,
block: el
});
} else if (process.env.NODE_ENV !== 'production') {
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warn$1(
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"v-" + (el.elseif ? ('else-if="' + el.elseif + '"') : 'else') + " " +
"used on element <" + (el.tag) + "> without corresponding v-if."
);
}
}
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function findPrevElement (children) {
var i = children.length;
while (i--) {
if (children[i].type === 1) {
return children[i]
} else {
if (process.env.NODE_ENV !== 'production' && children[i].text !== ' ') {
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warn$1(
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"text \"" + (children[i].text.trim()) + "\" between v-if and v-else(-if) " +
"will be ignored."
);
}
children.pop();
}
}
}
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function addIfCondition (el, condition) {
if (!el.ifConditions) {
el.ifConditions = [];
}
el.ifConditions.push(condition);
}
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function processOnce (el) {
var once$$1 = getAndRemoveAttr(el, 'v-once');
if (once$$1 != null) {
el.once = true;
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}
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}
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function processSlot (el) {
if (el.tag === 'slot') {
el.slotName = getBindingAttr(el, 'name');
if (process.env.NODE_ENV !== 'production' && el.key) {
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warn$1(
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"`key` does not work on <slot> because slots are abstract outlets " +
"and can possibly expand into multiple elements. " +
"Use the key on a wrapping element instead."
);
}
} else {
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var slotScope;
if (el.tag === 'template') {
slotScope = getAndRemoveAttr(el, 'scope');
/* istanbul ignore if */
if (process.env.NODE_ENV !== 'production' && slotScope) {
warn$1(
"the \"scope\" attribute for scoped slots have been deprecated and " +
"replaced by \"slot-scope\" since 2.5. The new \"slot-scope\" attribute " +
"can also be used on plain elements in addition to <template> to " +
"denote scoped slots.",
true
);
}
el.slotScope = slotScope || getAndRemoveAttr(el, 'slot-scope');
} else if ((slotScope = getAndRemoveAttr(el, 'slot-scope'))) {
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/* istanbul ignore if */
if (process.env.NODE_ENV !== 'production' && el.attrsMap['v-for']) {
warn$1(
"Ambiguous combined usage of slot-scope and v-for on <" + (el.tag) + "> " +
"(v-for takes higher priority). Use a wrapper <template> for the " +
"scoped slot to make it clearer.",
true
);
}
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el.slotScope = slotScope;
}
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var slotTarget = getBindingAttr(el, 'slot');
if (slotTarget) {
el.slotTarget = slotTarget === '""' ? '"default"' : slotTarget;
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// preserve slot as an attribute for native shadow DOM compat
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// only for non-scoped slots.
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if (el.tag !== 'template' && !el.slotScope) {
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addAttr(el, 'slot', slotTarget);
}
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}
}
}
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function processComponent (el) {
var binding;
if ((binding = getBindingAttr(el, 'is'))) {
el.component = binding;
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}
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if (getAndRemoveAttr(el, 'inline-template') != null) {
el.inlineTemplate = true;
}
}
function processAttrs (el) {
var list = el.attrsList;
var i, l, name, rawName, value, modifiers, isProp;
for (i = 0, l = list.length; i < l; i++) {
name = rawName = list[i].name;
value = list[i].value;
if (dirRE.test(name)) {
// mark element as dynamic
el.hasBindings = true;
// modifiers
modifiers = parseModifiers(name);
if (modifiers) {
name = name.replace(modifierRE, '');
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}
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if (bindRE.test(name)) { // v-bind
name = name.replace(bindRE, '');
value = parseFilters(value);
isProp = false;
if (modifiers) {
if (modifiers.prop) {
isProp = true;
name = camelize(name);
if (name === 'innerHtml') { name = 'innerHTML'; }
}
if (modifiers.camel) {
name = camelize(name);
}
if (modifiers.sync) {
addHandler(
el,
("update:" + (camelize(name))),
genAssignmentCode(value, "$event")
);
}
}
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if (isProp || (
!el.component && platformMustUseProp(el.tag, el.attrsMap.type, name)
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)) {
addProp(el, name, value);
} else {
addAttr(el, name, value);
}
} else if (onRE.test(name)) { // v-on
name = name.replace(onRE, '');
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addHandler(el, name, value, modifiers, false, warn$1);
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} else { // normal directives
name = name.replace(dirRE, '');
// parse arg
var argMatch = name.match(argRE);
var arg = argMatch && argMatch[1];
if (arg) {
name = name.slice(0, -(arg.length + 1));
}
addDirective(el, name, rawName, value, arg, modifiers);
if (process.env.NODE_ENV !== 'production' && name === 'model') {
checkForAliasModel(el, value);
}
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}
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} else {
// literal attribute
if (process.env.NODE_ENV !== 'production') {
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var res = parseText(value, delimiters);
if (res) {
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warn$1(
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name + "=\"" + value + "\": " +
'Interpolation inside attributes has been removed. ' +
'Use v-bind or the colon shorthand instead. For example, ' +
'instead of <div id="{{ val }}">, use <div :id="val">.'
);
}
}
addAttr(el, name, JSON.stringify(value));
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// #6887 firefox doesn't update muted state if set via attribute
// even immediately after element creation
if (!el.component &&
name === 'muted' &&
platformMustUseProp(el.tag, el.attrsMap.type, name)) {
addProp(el, name, 'true');
}
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}
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}
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}
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function checkInFor (el) {
var parent = el;
while (parent) {
if (parent.for !== undefined) {
return true
}
parent = parent.parent;
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}
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return false
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}
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function parseModifiers (name) {
var match = name.match(modifierRE);
if (match) {
var ret = {};
match.forEach(function (m) { ret[m.slice(1)] = true; });
return ret
}
}
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function makeAttrsMap (attrs) {
var map = {};
for (var i = 0, l = attrs.length; i < l; i++) {
if (
process.env.NODE_ENV !== 'production' &&
map[attrs[i].name] && !isIE && !isEdge
) {
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warn$1('duplicate attribute: ' + attrs[i].name);
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}
map[attrs[i].name] = attrs[i].value;
}
return map
}
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// for script (e.g. type="x/template") or style, do not decode content
function isTextTag (el) {
return el.tag === 'script' || el.tag === 'style'
}
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function isForbiddenTag (el) {
return (
el.tag === 'style' ||
(el.tag === 'script' && (
!el.attrsMap.type ||
el.attrsMap.type === 'text/javascript'
))
)
}
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var ieNSBug = /^xmlns:NS\d+/;
var ieNSPrefix = /^NS\d+:/;
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/* istanbul ignore next */
function guardIESVGBug (attrs) {
var res = [];
for (var i = 0; i < attrs.length; i++) {
var attr = attrs[i];
if (!ieNSBug.test(attr.name)) {
attr.name = attr.name.replace(ieNSPrefix, '');
res.push(attr);
}
}
return res
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}
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function checkForAliasModel (el, value) {
var _el = el;
while (_el) {
if (_el.for && _el.alias === value) {
warn$1(
"<" + (el.tag) + " v-model=\"" + value + "\">: " +
"You are binding v-model directly to a v-for iteration alias. " +
"This will not be able to modify the v-for source array because " +
"writing to the alias is like modifying a function local variable. " +
"Consider using an array of objects and use v-model on an object property instead."
);
}
_el = _el.parent;
}
}
/* */
/**
* Expand input[v-model] with dyanmic type bindings into v-if-else chains
* Turn this:
* <input v-model="data[type]" :type="type">
* into this:
* <input v-if="type === 'checkbox'" type="checkbox" v-model="data[type]">
* <input v-else-if="type === 'radio'" type="radio" v-model="data[type]">
* <input v-else :type="type" v-model="data[type]">
*/
function preTransformNode (el, options) {
if (el.tag === 'input') {
var map = el.attrsMap;
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if (!map['v-model']) {
return
}
var typeBinding;
if (map[':type'] || map['v-bind:type']) {
typeBinding = getBindingAttr(el, 'type');
}
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if (!map.type && !typeBinding && map['v-bind']) {
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typeBinding = "(" + (map['v-bind']) + ").type";
}
if (typeBinding) {
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var ifCondition = getAndRemoveAttr(el, 'v-if', true);
var ifConditionExtra = ifCondition ? ("&&(" + ifCondition + ")") : "";
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var hasElse = getAndRemoveAttr(el, 'v-else', true) != null;
var elseIfCondition = getAndRemoveAttr(el, 'v-else-if', true);
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// 1. checkbox
var branch0 = cloneASTElement(el);
// process for on the main node
processFor(branch0);
addRawAttr(branch0, 'type', 'checkbox');
processElement(branch0, options);
branch0.processed = true; // prevent it from double-processed
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branch0.if = "(" + typeBinding + ")==='checkbox'" + ifConditionExtra;
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addIfCondition(branch0, {
exp: branch0.if,
block: branch0
});
// 2. add radio else-if condition
var branch1 = cloneASTElement(el);
getAndRemoveAttr(branch1, 'v-for', true);
addRawAttr(branch1, 'type', 'radio');
processElement(branch1, options);
addIfCondition(branch0, {
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exp: "(" + typeBinding + ")==='radio'" + ifConditionExtra,
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block: branch1
});
// 3. other
var branch2 = cloneASTElement(el);
getAndRemoveAttr(branch2, 'v-for', true);
addRawAttr(branch2, ':type', typeBinding);
processElement(branch2, options);
addIfCondition(branch0, {
exp: ifCondition,
block: branch2
});
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if (hasElse) {
branch0.else = true;
} else if (elseIfCondition) {
branch0.elseif = elseIfCondition;
}
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return branch0
}
}
}
function cloneASTElement (el) {
return createASTElement(el.tag, el.attrsList.slice(), el.parent)
}
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var model$1 = {
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preTransformNode: preTransformNode
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}
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var modules$1 = [
klass,
style,
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model$1
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]
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/* */
var warn$2;
// in some cases, the event used has to be determined at runtime
// so we used some reserved tokens during compile.
var RANGE_TOKEN = '__r';
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function model$2 (
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el,
dir,
_warn
) {
warn$2 = _warn;
var value = dir.value;
var modifiers = dir.modifiers;
var tag = el.tag;
var type = el.attrsMap.type;
if (process.env.NODE_ENV !== 'production') {
// inputs with type="file" are read only and setting the input's
// value will throw an error.
if (tag === 'input' && type === 'file') {
warn$2(
"<" + (el.tag) + " v-model=\"" + value + "\" type=\"file\">:\n" +
"File inputs are read only. Use a v-on:change listener instead."
);
}
}
if (el.component) {
genComponentModel(el, value, modifiers);
// component v-model doesn't need extra runtime
return false
} else if (tag === 'select') {
genSelect(el, value, modifiers);
} else if (tag === 'input' && type === 'checkbox') {
genCheckboxModel(el, value, modifiers);
} else if (tag === 'input' && type === 'radio') {
genRadioModel(el, value, modifiers);
} else if (tag === 'input' || tag === 'textarea') {
genDefaultModel(el, value, modifiers);
} else if (!config.isReservedTag(tag)) {
genComponentModel(el, value, modifiers);
// component v-model doesn't need extra runtime
return false
} else if (process.env.NODE_ENV !== 'production') {
warn$2(
"<" + (el.tag) + " v-model=\"" + value + "\">: " +
"v-model is not supported on this element type. " +
'If you are working with contenteditable, it\'s recommended to ' +
'wrap a library dedicated for that purpose inside a custom component.'
);
}
// ensure runtime directive metadata
return true
}
function genCheckboxModel (
el,
value,
modifiers
) {
var number = modifiers && modifiers.number;
var valueBinding = getBindingAttr(el, 'value') || 'null';
var trueValueBinding = getBindingAttr(el, 'true-value') || 'true';
var falseValueBinding = getBindingAttr(el, 'false-value') || 'false';
addProp(el, 'checked',
"Array.isArray(" + value + ")" +
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"?_i(" + value + "," + valueBinding + ")>-1" + (
trueValueBinding === 'true'
? (":(" + value + ")")
: (":_q(" + value + "," + trueValueBinding + ")")
)
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);
addHandler(el, 'change',
"var $$a=" + value + "," +
'$$el=$event.target,' +
"$$c=$$el.checked?(" + trueValueBinding + "):(" + falseValueBinding + ");" +
'if(Array.isArray($$a)){' +
"var $$v=" + (number ? '_n(' + valueBinding + ')' : valueBinding) + "," +
'$$i=_i($$a,$$v);' +
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"if($$el.checked){$$i<0&&(" + (genAssignmentCode(value, '$$a.concat([$$v])')) + ")}" +
"else{$$i>-1&&(" + (genAssignmentCode(value, '$$a.slice(0,$$i).concat($$a.slice($$i+1))')) + ")}" +
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"}else{" + (genAssignmentCode(value, '$$c')) + "}",
null, true
);
}
function genRadioModel (
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el,
value,
modifiers
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) {
var number = modifiers && modifiers.number;
var valueBinding = getBindingAttr(el, 'value') || 'null';
valueBinding = number ? ("_n(" + valueBinding + ")") : valueBinding;
addProp(el, 'checked', ("_q(" + value + "," + valueBinding + ")"));
addHandler(el, 'change', genAssignmentCode(value, valueBinding), null, true);
}
function genSelect (
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el,
value,
modifiers
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) {
var number = modifiers && modifiers.number;
var selectedVal = "Array.prototype.filter" +
".call($event.target.options,function(o){return o.selected})" +
".map(function(o){var val = \"_value\" in o ? o._value : o.value;" +
"return " + (number ? '_n(val)' : 'val') + "})";
var assignment = '$event.target.multiple ? $$selectedVal : $$selectedVal[0]';
var code = "var $$selectedVal = " + selectedVal + ";";
code = code + " " + (genAssignmentCode(value, assignment));
addHandler(el, 'change', code, null, true);
}
function genDefaultModel (
el,
value,
modifiers
) {
var type = el.attrsMap.type;
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// warn if v-bind:value conflicts with v-model
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// except for inputs with v-bind:type
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if (process.env.NODE_ENV !== 'production') {
var value$1 = el.attrsMap['v-bind:value'] || el.attrsMap[':value'];
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var typeBinding = el.attrsMap['v-bind:type'] || el.attrsMap[':type'];
if (value$1 && !typeBinding) {
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var binding = el.attrsMap['v-bind:value'] ? 'v-bind:value' : ':value';
warn$2(
binding + "=\"" + value$1 + "\" conflicts with v-model on the same element " +
'because the latter already expands to a value binding internally'
);
}
}
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var ref = modifiers || {};
var lazy = ref.lazy;
var number = ref.number;
var trim = ref.trim;
var needCompositionGuard = !lazy && type !== 'range';
var event = lazy
? 'change'
: type === 'range'
? RANGE_TOKEN
: 'input';
var valueExpression = '$event.target.value';
if (trim) {
valueExpression = "$event.target.value.trim()";
}
if (number) {
valueExpression = "_n(" + valueExpression + ")";
}
var code = genAssignmentCode(value, valueExpression);
if (needCompositionGuard) {
code = "if($event.target.composing)return;" + code;
}
addProp(el, 'value', ("(" + value + ")"));
addHandler(el, event, code, null, true);
if (trim || number) {
addHandler(el, 'blur', '$forceUpdate()');
}
}
/* */
function text (el, dir) {
if (dir.value) {
addProp(el, 'textContent', ("_s(" + (dir.value) + ")"));
}
}
/* */
function html (el, dir) {
if (dir.value) {
addProp(el, 'innerHTML', ("_s(" + (dir.value) + ")"));
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}
}
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var directives = {
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model: model$2,
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text: text,
html: html
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}
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/* */
var baseOptions = {
expectHTML: true,
modules: modules$1,
directives: directives,
isPreTag: isPreTag,
isUnaryTag: isUnaryTag,
mustUseProp: mustUseProp,
canBeLeftOpenTag: canBeLeftOpenTag,
isReservedTag: isReservedTag,
getTagNamespace: getTagNamespace,
staticKeys: genStaticKeys(modules$1)
};
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/* */
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var fnExpRE = /^([\w$_]+|\([^)]*?\))\s*=>|^function\s*\(/;
var simplePathRE = /^[A-Za-z_$][\w$]*(?:\.[A-Za-z_$][\w$]*|\['[^']*?']|\["[^"]*?"]|\[\d+]|\[[A-Za-z_$][\w$]*])*$/;
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// KeyboardEvent.keyCode aliases
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var keyCodes = {
esc: 27,
tab: 9,
enter: 13,
space: 32,
up: 38,
left: 37,
right: 39,
down: 40,
'delete': [8, 46]
};
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// KeyboardEvent.key aliases
var keyNames = {
esc: 'Escape',
tab: 'Tab',
enter: 'Enter',
space: ' ',
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// #7806: IE11 uses key names without `Arrow` prefix for arrow keys.
up: ['Up', 'ArrowUp'],
left: ['Left', 'ArrowLeft'],
right: ['Right', 'ArrowRight'],
down: ['Down', 'ArrowDown'],
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'delete': ['Backspace', 'Delete']
};
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// #4868: modifiers that prevent the execution of the listener
// need to explicitly return null so that we can determine whether to remove
// the listener for .once
var genGuard = function (condition) { return ("if(" + condition + ")return null;"); };
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var modifierCode = {
stop: '$event.stopPropagation();',
prevent: '$event.preventDefault();',
self: genGuard("$event.target !== $event.currentTarget"),
ctrl: genGuard("!$event.ctrlKey"),
shift: genGuard("!$event.shiftKey"),
alt: genGuard("!$event.altKey"),
meta: genGuard("!$event.metaKey"),
left: genGuard("'button' in $event && $event.button !== 0"),
middle: genGuard("'button' in $event && $event.button !== 1"),
right: genGuard("'button' in $event && $event.button !== 2")
};
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function genHandlers (
events,
isNative,
warn
) {
var res = isNative ? 'nativeOn:{' : 'on:{';
for (var name in events) {
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res += "\"" + name + "\":" + (genHandler(name, events[name])) + ",";
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}
return res.slice(0, -1) + '}'
}
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function genHandler (
name,
handler
) {
if (!handler) {
return 'function(){}'
}
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if (Array.isArray(handler)) {
return ("[" + (handler.map(function (handler) { return genHandler(name, handler); }).join(',')) + "]")
}
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var isMethodPath = simplePathRE.test(handler.value);
var isFunctionExpression = fnExpRE.test(handler.value);
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if (!handler.modifiers) {
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if (isMethodPath || isFunctionExpression) {
return handler.value
}
/* istanbul ignore if */
return ("function($event){" + (handler.value) + "}") // inline statement
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} else {
var code = '';
var genModifierCode = '';
var keys = [];
for (var key in handler.modifiers) {
if (modifierCode[key]) {
genModifierCode += modifierCode[key];
// left/right
if (keyCodes[key]) {
keys.push(key);
}
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} else if (key === 'exact') {
var modifiers = (handler.modifiers);
genModifierCode += genGuard(
['ctrl', 'shift', 'alt', 'meta']
.filter(function (keyModifier) { return !modifiers[keyModifier]; })
.map(function (keyModifier) { return ("$event." + keyModifier + "Key"); })
.join('||')
);
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} else {
keys.push(key);
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}
}
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if (keys.length) {
code += genKeyFilter(keys);
}
// Make sure modifiers like prevent and stop get executed after key filtering
if (genModifierCode) {
code += genModifierCode;
}
var handlerCode = isMethodPath
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? ("return " + (handler.value) + "($event)")
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: isFunctionExpression
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? ("return (" + (handler.value) + ")($event)")
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: handler.value;
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/* istanbul ignore if */
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return ("function($event){" + code + handlerCode + "}")
}
}
function genKeyFilter (keys) {
return ("if(!('button' in $event)&&" + (keys.map(genFilterCode).join('&&')) + ")return null;")
}
function genFilterCode (key) {
var keyVal = parseInt(key, 10);
if (keyVal) {
return ("$event.keyCode!==" + keyVal)
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}
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var keyCode = keyCodes[key];
var keyName = keyNames[key];
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return (
"_k($event.keyCode," +
(JSON.stringify(key)) + "," +
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(JSON.stringify(keyCode)) + "," +
"$event.key," +
"" + (JSON.stringify(keyName)) +
")"
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)
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}
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/* */
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function on (el, dir) {
if (process.env.NODE_ENV !== 'production' && dir.modifiers) {
warn("v-on without argument does not support modifiers.");
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}
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el.wrapListeners = function (code) { return ("_g(" + code + "," + (dir.value) + ")"); };
}
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/* */
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function bind$1 (el, dir) {
el.wrapData = function (code) {
return ("_b(" + code + ",'" + (el.tag) + "'," + (dir.value) + "," + (dir.modifiers && dir.modifiers.prop ? 'true' : 'false') + (dir.modifiers && dir.modifiers.sync ? ',true' : '') + ")")
};
}
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/* */
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var baseDirectives$1 = {
on: on,
bind: bind$1,
cloak: noop
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}
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/* */
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var CodegenState = function CodegenState (options) {
this.options = options;
this.warn = options.warn || baseWarn;
this.transforms = pluckModuleFunction(options.modules, 'transformCode');
this.dataGenFns = pluckModuleFunction(options.modules, 'genData');
this.directives = extend(extend({}, baseDirectives$1), options.directives);
var isReservedTag = options.isReservedTag || no;
this.maybeComponent = function (el) { return !isReservedTag(el.tag); };
this.onceId = 0;
this.staticRenderFns = [];
};
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function generate (
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ast,
options
) {
var state = new CodegenState(options);
var code = ast ? genElement(ast, state) : '_c("div")';
return {
render: ("with(this){return " + code + "}"),
staticRenderFns: state.staticRenderFns
}
}
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function genElement (el, state) {
if (el.staticRoot && !el.staticProcessed) {
return genStatic(el, state)
} else if (el.once && !el.onceProcessed) {
return genOnce(el, state)
} else if (el.for && !el.forProcessed) {
return genFor(el, state)
} else if (el.if && !el.ifProcessed) {
return genIf(el, state)
} else if (el.tag === 'template' && !el.slotTarget) {
return genChildren(el, state) || 'void 0'
} else if (el.tag === 'slot') {
return genSlot(el, state)
} else {
// component or element
var code;
if (el.component) {
code = genComponent(el.component, el, state);
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} else {
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var data = el.plain ? undefined : genData$2(el, state);
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var children = el.inlineTemplate ? null : genChildren(el, state, true);
code = "_c('" + (el.tag) + "'" + (data ? ("," + data) : '') + (children ? ("," + children) : '') + ")";
}
// module transforms
for (var i = 0; i < state.transforms.length; i++) {
code = state.transforms[i](el, code);
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}
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return code
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}
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}
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// hoist static sub-trees out
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function genStatic (el, state) {
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el.staticProcessed = true;
state.staticRenderFns.push(("with(this){return " + (genElement(el, state)) + "}"));
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return ("_m(" + (state.staticRenderFns.length - 1) + (el.staticInFor ? ',true' : '') + ")")
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}
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// v-once
function genOnce (el, state) {
el.onceProcessed = true;
if (el.if && !el.ifProcessed) {
return genIf(el, state)
} else if (el.staticInFor) {
var key = '';
var parent = el.parent;
while (parent) {
if (parent.for) {
key = parent.key;
break
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}
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parent = parent.parent;
}
if (!key) {
process.env.NODE_ENV !== 'production' && state.warn(
"v-once can only be used inside v-for that is keyed. "
);
return genElement(el, state)
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}
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return ("_o(" + (genElement(el, state)) + "," + (state.onceId++) + "," + key + ")")
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} else {
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return genStatic(el, state)
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}
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}
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function genIf (
el,
state,
altGen,
altEmpty
) {
el.ifProcessed = true; // avoid recursion
return genIfConditions(el.ifConditions.slice(), state, altGen, altEmpty)
}
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function genIfConditions (
conditions,
state,
altGen,
altEmpty
) {
if (!conditions.length) {
return altEmpty || '_e()'
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}
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var condition = conditions.shift();
if (condition.exp) {
return ("(" + (condition.exp) + ")?" + (genTernaryExp(condition.block)) + ":" + (genIfConditions(conditions, state, altGen, altEmpty)))
} else {
return ("" + (genTernaryExp(condition.block)))
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}
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// v-if with v-once should generate code like (a)?_m(0):_m(1)
function genTernaryExp (el) {
return altGen
? altGen(el, state)
: el.once
? genOnce(el, state)
: genElement(el, state)
}
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}
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function genFor (
el,
state,
altGen,
altHelper
) {
var exp = el.for;
var alias = el.alias;
var iterator1 = el.iterator1 ? ("," + (el.iterator1)) : '';
var iterator2 = el.iterator2 ? ("," + (el.iterator2)) : '';
if (process.env.NODE_ENV !== 'production' &&
state.maybeComponent(el) &&
el.tag !== 'slot' &&
el.tag !== 'template' &&
!el.key
) {
state.warn(
"<" + (el.tag) + " v-for=\"" + alias + " in " + exp + "\">: component lists rendered with " +
"v-for should have explicit keys. " +
"See https://vuejs.org/guide/list.html#key for more info.",
true /* tip */
);
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}
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el.forProcessed = true; // avoid recursion
return (altHelper || '_l') + "((" + exp + ")," +
"function(" + alias + iterator1 + iterator2 + "){" +
"return " + ((altGen || genElement)(el, state)) +
'})'
}
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function genData$2 (el, state) {
var data = '{';
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// directives first.
// directives may mutate the el's other properties before they are generated.
var dirs = genDirectives(el, state);
if (dirs) { data += dirs + ','; }
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// key
if (el.key) {
data += "key:" + (el.key) + ",";
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}
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// ref
if (el.ref) {
data += "ref:" + (el.ref) + ",";
}
if (el.refInFor) {
data += "refInFor:true,";
}
// pre
if (el.pre) {
data += "pre:true,";
}
// record original tag name for components using "is" attribute
if (el.component) {
data += "tag:\"" + (el.tag) + "\",";
}
// module data generation functions
for (var i = 0; i < state.dataGenFns.length; i++) {
data += state.dataGenFns[i](el);
}
// attributes
if (el.attrs) {
data += "attrs:{" + (genProps(el.attrs)) + "},";
}
// DOM props
if (el.props) {
data += "domProps:{" + (genProps(el.props)) + "},";
}
// event handlers
if (el.events) {
data += (genHandlers(el.events, false, state.warn)) + ",";
}
if (el.nativeEvents) {
data += (genHandlers(el.nativeEvents, true, state.warn)) + ",";
}
// slot target
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// only for non-scoped slots
if (el.slotTarget && !el.slotScope) {
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data += "slot:" + (el.slotTarget) + ",";
}
// scoped slots
if (el.scopedSlots) {
data += (genScopedSlots(el.scopedSlots, state)) + ",";
}
// component v-model
if (el.model) {
data += "model:{value:" + (el.model.value) + ",callback:" + (el.model.callback) + ",expression:" + (el.model.expression) + "},";
}
// inline-template
if (el.inlineTemplate) {
var inlineTemplate = genInlineTemplate(el, state);
if (inlineTemplate) {
data += inlineTemplate + ",";
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}
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}
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data = data.replace(/,$/, '') + '}';
// v-bind data wrap
if (el.wrapData) {
data = el.wrapData(data);
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}
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// v-on data wrap
if (el.wrapListeners) {
data = el.wrapListeners(data);
}
return data
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}
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function genDirectives (el, state) {
var dirs = el.directives;
if (!dirs) { return }
var res = 'directives:[';
var hasRuntime = false;
var i, l, dir, needRuntime;
for (i = 0, l = dirs.length; i < l; i++) {
dir = dirs[i];
needRuntime = true;
var gen = state.directives[dir.name];
if (gen) {
// compile-time directive that manipulates AST.
// returns true if it also needs a runtime counterpart.
needRuntime = !!gen(el, dir, state.warn);
}
if (needRuntime) {
hasRuntime = true;
res += "{name:\"" + (dir.name) + "\",rawName:\"" + (dir.rawName) + "\"" + (dir.value ? (",value:(" + (dir.value) + "),expression:" + (JSON.stringify(dir.value))) : '') + (dir.arg ? (",arg:\"" + (dir.arg) + "\"") : '') + (dir.modifiers ? (",modifiers:" + (JSON.stringify(dir.modifiers))) : '') + "},";
}
}
if (hasRuntime) {
return res.slice(0, -1) + ']'
}
}
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function genInlineTemplate (el, state) {
var ast = el.children[0];
if (process.env.NODE_ENV !== 'production' && (
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el.children.length !== 1 || ast.type !== 1
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)) {
state.warn('Inline-template components must have exactly one child element.');
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}
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if (ast.type === 1) {
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var inlineRenderFns = generate(ast, state.options);
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return ("inlineTemplate:{render:function(){" + (inlineRenderFns.render) + "},staticRenderFns:[" + (inlineRenderFns.staticRenderFns.map(function (code) { return ("function(){" + code + "}"); }).join(',')) + "]}")
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}
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}
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function genScopedSlots (
slots,
state
) {
return ("scopedSlots:_u([" + (Object.keys(slots).map(function (key) {
return genScopedSlot(key, slots[key], state)
}).join(',')) + "])")
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}
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function genScopedSlot (
key,
el,
state
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) {
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if (el.for && !el.forProcessed) {
return genForScopedSlot(key, el, state)
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}
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var fn = "function(" + (String(el.slotScope)) + "){" +
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"return " + (el.tag === 'template'
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? el.if
? ((el.if) + "?" + (genChildren(el, state) || 'undefined') + ":undefined")
: genChildren(el, state) || 'undefined'
: genElement(el, state)) + "}";
return ("{key:" + key + ",fn:" + fn + "}")
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}
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function genForScopedSlot (
key,
el,
state
) {
var exp = el.for;
var alias = el.alias;
var iterator1 = el.iterator1 ? ("," + (el.iterator1)) : '';
var iterator2 = el.iterator2 ? ("," + (el.iterator2)) : '';
el.forProcessed = true; // avoid recursion
return "_l((" + exp + ")," +
"function(" + alias + iterator1 + iterator2 + "){" +
"return " + (genScopedSlot(key, el, state)) +
'})'
}
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function genChildren (
el,
state,
checkSkip,
altGenElement,
altGenNode
) {
var children = el.children;
if (children.length) {
var el$1 = children[0];
// optimize single v-for
if (children.length === 1 &&
el$1.for &&
el$1.tag !== 'template' &&
el$1.tag !== 'slot'
) {
return (altGenElement || genElement)(el$1, state)
}
var normalizationType = checkSkip
? getNormalizationType(children, state.maybeComponent)
: 0;
var gen = altGenNode || genNode;
return ("[" + (children.map(function (c) { return gen(c, state); }).join(',')) + "]" + (normalizationType ? ("," + normalizationType) : ''))
}
}
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// determine the normalization needed for the children array.
// 0: no normalization needed
// 1: simple normalization needed (possible 1-level deep nested array)
// 2: full normalization needed
function getNormalizationType (
children,
maybeComponent
) {
var res = 0;
for (var i = 0; i < children.length; i++) {
var el = children[i];
if (el.type !== 1) {
continue
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}
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if (needsNormalization(el) ||
(el.ifConditions && el.ifConditions.some(function (c) { return needsNormalization(c.block); }))) {
res = 2;
break
}
if (maybeComponent(el) ||
(el.ifConditions && el.ifConditions.some(function (c) { return maybeComponent(c.block); }))) {
res = 1;
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}
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}
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return res
}
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function needsNormalization (el) {
return el.for !== undefined || el.tag === 'template' || el.tag === 'slot'
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}
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function genNode (node, state) {
if (node.type === 1) {
return genElement(node, state)
} if (node.type === 3 && node.isComment) {
return genComment(node)
} else {
return genText(node)
}
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}
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function genText (text) {
return ("_v(" + (text.type === 2
? text.expression // no need for () because already wrapped in _s()
: transformSpecialNewlines(JSON.stringify(text.text))) + ")")
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}
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function genComment (comment) {
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return ("_e(" + (JSON.stringify(comment.text)) + ")")
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}
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function genSlot (el, state) {
var slotName = el.slotName || '"default"';
var children = genChildren(el, state);
var res = "_t(" + slotName + (children ? ("," + children) : '');
var attrs = el.attrs && ("{" + (el.attrs.map(function (a) { return ((camelize(a.name)) + ":" + (a.value)); }).join(',')) + "}");
var bind$$1 = el.attrsMap['v-bind'];
if ((attrs || bind$$1) && !children) {
res += ",null";
}
if (attrs) {
res += "," + attrs;
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}
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if (bind$$1) {
res += (attrs ? '' : ',null') + "," + bind$$1;
}
return res + ')'
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}
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// componentName is el.component, take it as argument to shun flow's pessimistic refinement
function genComponent (
componentName,
el,
state
) {
var children = el.inlineTemplate ? null : genChildren(el, state, true);
return ("_c(" + componentName + "," + (genData$2(el, state)) + (children ? ("," + children) : '') + ")")
}
function genProps (props) {
var res = '';
for (var i = 0; i < props.length; i++) {
var prop = props[i];
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/* istanbul ignore if */
{
res += "\"" + (prop.name) + "\":" + (transformSpecialNewlines(prop.value)) + ",";
}
}
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return res.slice(0, -1)
}
// #3895, #4268
function transformSpecialNewlines (text) {
return text
.replace(/\u2028/g, '\\u2028')
.replace(/\u2029/g, '\\u2029')
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}
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/* */
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var plainStringRE = /^"(?:[^"\\]|\\.)*"$|^'(?:[^'\\]|\\.)*'$/;
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// let the model AST transform translate v-model into appropriate
// props bindings
function applyModelTransform (el, state) {
if (el.directives) {
for (var i = 0; i < el.directives.length; i++) {
var dir = el.directives[i];
if (dir.name === 'model') {
state.directives.model(el, dir, state.warn);
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// remove value for textarea as its converted to text
if (el.tag === 'textarea' && el.props) {
el.props = el.props.filter(function (p) { return p.name !== 'value'; });
}
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break
}
}
}
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}
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function genAttrSegments (
attrs
) {
return attrs.map(function (ref) {
var name = ref.name;
var value = ref.value;
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return genAttrSegment(name, value);
})
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}
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function genDOMPropSegments (
props,
attrs
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) {
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var segments = [];
props.forEach(function (ref) {
var name = ref.name;
var value = ref.value;
name = propsToAttrMap[name] || name.toLowerCase();
if (isRenderableAttr(name) &&
!(attrs && attrs.some(function (a) { return a.name === name; }))
) {
segments.push(genAttrSegment(name, value));
}
});
return segments
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}
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function genAttrSegment (name, value) {
if (plainStringRE.test(value)) {
// force double quote
value = value.replace(/^'|'$/g, '"');
// force enumerated attr to "true"
if (isEnumeratedAttr(name) && value !== "\"false\"") {
value = "\"true\"";
}
return {
type: RAW,
value: isBooleanAttr(name)
? (" " + name + "=\"" + name + "\"")
: value === '""'
? (" " + name)
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: (" " + name + "=\"" + (JSON.parse(value)) + "\"")
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}
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} else {
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return {
type: EXPRESSION,
value: ("_ssrAttr(" + (JSON.stringify(name)) + "," + value + ")")
}
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}
}
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function genClassSegments (
staticClass,
classBinding
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) {
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if (staticClass && !classBinding) {
return [{ type: RAW, value: (" class=" + staticClass) }]
} else {
return [{
type: EXPRESSION,
value: ("_ssrClass(" + (staticClass || 'null') + "," + (classBinding || 'null') + ")")
}]
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}
}
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function genStyleSegments (
staticStyle,
parsedStaticStyle,
styleBinding,
vShowExpression
) {
if (staticStyle && !styleBinding && !vShowExpression) {
return [{ type: RAW, value: (" style=" + (JSON.stringify(staticStyle))) }]
} else {
return [{
type: EXPRESSION,
value: ("_ssrStyle(" + (parsedStaticStyle || 'null') + "," + (styleBinding || 'null') + ", " + (vShowExpression
? ("{ display: (" + vShowExpression + ") ? '' : 'none' }")
: 'null') + ")")
}]
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}
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}
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/* */
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/**
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* In SSR, the vdom tree is generated only once and never patched, so
* we can optimize most element / trees into plain string render functions.
* The SSR optimizer walks the AST tree to detect optimizable elements and trees.
*
* The criteria for SSR optimizability is quite a bit looser than static tree
* detection (which is designed for client re-render). In SSR we bail only for
* components/slots/custom directives.
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*/
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// optimizability constants
var optimizability = {
FALSE: 0, // whole sub tree un-optimizable
FULL: 1, // whole sub tree optimizable
SELF: 2, // self optimizable but has some un-optimizable children
CHILDREN: 3, // self un-optimizable but have fully optimizable children
PARTIAL: 4 // self un-optimizable with some un-optimizable children
};
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var isPlatformReservedTag;
function optimize (root, options) {
if (!root) { return }
isPlatformReservedTag = options.isReservedTag || no;
walk(root, true);
}
function walk (node, isRoot) {
if (isUnOptimizableTree(node)) {
node.ssrOptimizability = optimizability.FALSE;
return
}
// root node or nodes with custom directives should always be a VNode
var selfUnoptimizable = isRoot || hasCustomDirective(node);
var check = function (child) {
if (child.ssrOptimizability !== optimizability.FULL) {
node.ssrOptimizability = selfUnoptimizable
? optimizability.PARTIAL
: optimizability.SELF;
}
};
if (selfUnoptimizable) {
node.ssrOptimizability = optimizability.CHILDREN;
}
if (node.type === 1) {
for (var i = 0, l = node.children.length; i < l; i++) {
var child = node.children[i];
walk(child);
check(child);
}
if (node.ifConditions) {
for (var i$1 = 1, l$1 = node.ifConditions.length; i$1 < l$1; i$1++) {
var block = node.ifConditions[i$1].block;
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walk(block, isRoot);
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check(block);
}
}
if (node.ssrOptimizability == null ||
(!isRoot && (node.attrsMap['v-html'] || node.attrsMap['v-text']))
) {
node.ssrOptimizability = optimizability.FULL;
} else {
node.children = optimizeSiblings(node);
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}
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} else {
node.ssrOptimizability = optimizability.FULL;
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}
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}
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function optimizeSiblings (el) {
var children = el.children;
var optimizedChildren = [];
var currentOptimizableGroup = [];
var pushGroup = function () {
if (currentOptimizableGroup.length) {
optimizedChildren.push({
type: 1,
parent: el,
tag: 'template',
attrsList: [],
attrsMap: {},
children: currentOptimizableGroup,
ssrOptimizability: optimizability.FULL
});
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}
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currentOptimizableGroup = [];
};
for (var i = 0; i < children.length; i++) {
var c = children[i];
if (c.ssrOptimizability === optimizability.FULL) {
currentOptimizableGroup.push(c);
} else {
// wrap fully-optimizable adjacent siblings inside a template tag
// so that they can be optimized into a single ssrNode by codegen
pushGroup();
optimizedChildren.push(c);
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}
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}
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pushGroup();
return optimizedChildren
}
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function isUnOptimizableTree (node) {
if (node.type === 2 || node.type === 3) { // text or expression
return false
}
return (
isBuiltInTag(node.tag) || // built-in (slot, component)
!isPlatformReservedTag(node.tag) || // custom component
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!!node.component || // "is" component
isSelectWithModel(node) // <select v-model> requires runtime inspection
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)
}
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var isBuiltInDir = makeMap('text,html,show,on,bind,model,pre,cloak,once');
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function hasCustomDirective (node) {
return (
node.type === 1 &&
node.directives &&
node.directives.some(function (d) { return !isBuiltInDir(d.name); })
)
}
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// <select v-model> cannot be optimized because it requires a runtime check
// to determine proper selected option
function isSelectWithModel (node) {
return (
node.type === 1 &&
node.tag === 'select' &&
node.directives != null &&
node.directives.some(function (d) { return d.name === 'model'; })
)
}
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/* */
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// The SSR codegen is essentially extending the default codegen to handle
// SSR-optimizable nodes and turn them into string render fns. In cases where
// a node is not optimizable it simply falls back to the default codegen.
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// segment types
var RAW = 0;
var INTERPOLATION = 1;
var EXPRESSION = 2;
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function generate$1 (
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ast,
options
) {
var state = new CodegenState(options);
var code = ast ? genSSRElement(ast, state) : '_c("div")';
return {
render: ("with(this){return " + code + "}"),
staticRenderFns: state.staticRenderFns
}
}
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function genSSRElement (el, state) {
if (el.for && !el.forProcessed) {
return genFor(el, state, genSSRElement)
} else if (el.if && !el.ifProcessed) {
return genIf(el, state, genSSRElement)
} else if (el.tag === 'template' && !el.slotTarget) {
return el.ssrOptimizability === optimizability.FULL
? genChildrenAsStringNode(el, state)
: genSSRChildren(el, state) || 'void 0'
}
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switch (el.ssrOptimizability) {
case optimizability.FULL:
// stringify whole tree
return genStringElement(el, state)
case optimizability.SELF:
// stringify self and check children
return genStringElementWithChildren(el, state)
case optimizability.CHILDREN:
// generate self as VNode and stringify children
return genNormalElement(el, state, true)
case optimizability.PARTIAL:
// generate self as VNode and check children
return genNormalElement(el, state, false)
default:
// bail whole tree
return genElement(el, state)
}
}
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function genNormalElement (el, state, stringifyChildren) {
var data = el.plain ? undefined : genData$2(el, state);
var children = stringifyChildren
? ("[" + (genChildrenAsStringNode(el, state)) + "]")
: genSSRChildren(el, state, true);
return ("_c('" + (el.tag) + "'" + (data ? ("," + data) : '') + (children ? ("," + children) : '') + ")")
}
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function genSSRChildren (el, state, checkSkip) {
return genChildren(el, state, checkSkip, genSSRElement, genSSRNode)
}
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function genSSRNode (el, state) {
return el.type === 1
? genSSRElement(el, state)
: genText(el)
}
function genChildrenAsStringNode (el, state) {
return el.children.length
? ("_ssrNode(" + (flattenSegments(childrenToSegments(el, state))) + ")")
: ''
}
function genStringElement (el, state) {
return ("_ssrNode(" + (elementToString(el, state)) + ")")
}
function genStringElementWithChildren (el, state) {
var children = genSSRChildren(el, state, true);
return ("_ssrNode(" + (flattenSegments(elementToOpenTagSegments(el, state))) + ",\"</" + (el.tag) + ">\"" + (children ? ("," + children) : '') + ")")
}
function elementToString (el, state) {
return ("(" + (flattenSegments(elementToSegments(el, state))) + ")")
}
function elementToSegments (el, state) {
// v-for / v-if
if (el.for && !el.forProcessed) {
el.forProcessed = true;
return [{
type: EXPRESSION,
value: genFor(el, state, elementToString, '_ssrList')
}]
} else if (el.if && !el.ifProcessed) {
el.ifProcessed = true;
return [{
type: EXPRESSION,
value: genIf(el, state, elementToString, '"<!---->"')
}]
} else if (el.tag === 'template') {
return childrenToSegments(el, state)
}
var openSegments = elementToOpenTagSegments(el, state);
var childrenSegments = childrenToSegments(el, state);
var ref = state.options;
var isUnaryTag = ref.isUnaryTag;
var close = (isUnaryTag && isUnaryTag(el.tag))
? []
: [{ type: RAW, value: ("</" + (el.tag) + ">") }];
return openSegments.concat(childrenSegments, close)
}
function elementToOpenTagSegments (el, state) {
applyModelTransform(el, state);
var binding;
var segments = [{ type: RAW, value: ("<" + (el.tag)) }];
// attrs
if (el.attrs) {
segments.push.apply(segments, genAttrSegments(el.attrs));
}
// domProps
if (el.props) {
segments.push.apply(segments, genDOMPropSegments(el.props, el.attrs));
}
// v-bind="object"
if ((binding = el.attrsMap['v-bind'])) {
segments.push({ type: EXPRESSION, value: ("_ssrAttrs(" + binding + ")") });
}
// v-bind.prop="object"
if ((binding = el.attrsMap['v-bind.prop'])) {
segments.push({ type: EXPRESSION, value: ("_ssrDOMProps(" + binding + ")") });
}
// class
if (el.staticClass || el.classBinding) {
segments.push.apply(
segments,
genClassSegments(el.staticClass, el.classBinding)
);
}
// style & v-show
if (el.staticStyle || el.styleBinding || el.attrsMap['v-show']) {
segments.push.apply(
segments,
genStyleSegments(
el.attrsMap.style,
el.staticStyle,
el.styleBinding,
el.attrsMap['v-show']
)
);
}
// _scopedId
if (state.options.scopeId) {
segments.push({ type: RAW, value: (" " + (state.options.scopeId)) });
}
segments.push({ type: RAW, value: ">" });
return segments
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}
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function childrenToSegments (el, state) {
var binding;
if ((binding = el.attrsMap['v-html'])) {
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return [{ type: EXPRESSION, value: ("_s(" + binding + ")") }]
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}
if ((binding = el.attrsMap['v-text'])) {
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return [{ type: INTERPOLATION, value: ("_s(" + binding + ")") }]
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}
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if (el.tag === 'textarea' && (binding = el.attrsMap['v-model'])) {
return [{ type: INTERPOLATION, value: ("_s(" + binding + ")") }]
}
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return el.children
? nodesToSegments(el.children, state)
: []
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}
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function nodesToSegments (
children,
state
) {
var segments = [];
for (var i = 0; i < children.length; i++) {
var c = children[i];
if (c.type === 1) {
segments.push.apply(segments, elementToSegments(c, state));
} else if (c.type === 2) {
segments.push({ type: INTERPOLATION, value: c.expression });
} else if (c.type === 3) {
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segments.push({ type: RAW, value: escape(c.text) });
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}
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}
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return segments
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}
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function flattenSegments (segments) {
var mergedSegments = [];
var textBuffer = '';
var pushBuffer = function () {
if (textBuffer) {
mergedSegments.push(JSON.stringify(textBuffer));
textBuffer = '';
}
};
for (var i = 0; i < segments.length; i++) {
var s = segments[i];
if (s.type === RAW) {
textBuffer += s.value;
} else if (s.type === INTERPOLATION) {
pushBuffer();
mergedSegments.push(("_ssrEscape(" + (s.value) + ")"));
} else if (s.type === EXPRESSION) {
pushBuffer();
mergedSegments.push(("(" + (s.value) + ")"));
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}
}
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pushBuffer();
return mergedSegments.join('+')
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}
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/* */
// these keywords should not appear inside expressions, but operators like
// typeof, instanceof and in are allowed
var prohibitedKeywordRE = new RegExp('\\b' + (
'do,if,for,let,new,try,var,case,else,with,await,break,catch,class,const,' +
'super,throw,while,yield,delete,export,import,return,switch,default,' +
'extends,finally,continue,debugger,function,arguments'
).split(',').join('\\b|\\b') + '\\b');
// these unary operators should not be used as property/method names
var unaryOperatorsRE = new RegExp('\\b' + (
'delete,typeof,void'
).split(',').join('\\s*\\([^\\)]*\\)|\\b') + '\\s*\\([^\\)]*\\)');
// strip strings in expressions
var stripStringRE = /'(?:[^'\\]|\\.)*'|"(?:[^"\\]|\\.)*"|`(?:[^`\\]|\\.)*\$\{|\}(?:[^`\\]|\\.)*`|`(?:[^`\\]|\\.)*`/g;
// detect problematic expressions in a template
function detectErrors (ast) {
var errors = [];
if (ast) {
checkNode(ast, errors);
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}
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return errors
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}
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function checkNode (node, errors) {
if (node.type === 1) {
for (var name in node.attrsMap) {
if (dirRE.test(name)) {
var value = node.attrsMap[name];
if (value) {
if (name === 'v-for') {
checkFor(node, ("v-for=\"" + value + "\""), errors);
} else if (onRE.test(name)) {
checkEvent(value, (name + "=\"" + value + "\""), errors);
} else {
checkExpression(value, (name + "=\"" + value + "\""), errors);
}
}
}
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}
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if (node.children) {
for (var i = 0; i < node.children.length; i++) {
checkNode(node.children[i], errors);
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}
}
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} else if (node.type === 2) {
checkExpression(node.expression, node.text, errors);
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}
}
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function checkEvent (exp, text, errors) {
var stipped = exp.replace(stripStringRE, '');
var keywordMatch = stipped.match(unaryOperatorsRE);
if (keywordMatch && stipped.charAt(keywordMatch.index - 1) !== '$') {
errors.push(
"avoid using JavaScript unary operator as property name: " +
"\"" + (keywordMatch[0]) + "\" in expression " + (text.trim())
);
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}
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checkExpression(exp, text, errors);
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}
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function checkFor (node, text, errors) {
checkExpression(node.for || '', text, errors);
checkIdentifier(node.alias, 'v-for alias', text, errors);
checkIdentifier(node.iterator1, 'v-for iterator', text, errors);
checkIdentifier(node.iterator2, 'v-for iterator', text, errors);
}
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function checkIdentifier (
ident,
type,
text,
errors
) {
if (typeof ident === 'string') {
try {
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new Function(("var " + ident + "=_"));
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} catch (e) {
errors.push(("invalid " + type + " \"" + ident + "\" in expression: " + (text.trim())));
}
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}
}
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function checkExpression (exp, text, errors) {
try {
new Function(("return " + exp));
} catch (e) {
var keywordMatch = exp.replace(stripStringRE, '').match(prohibitedKeywordRE);
if (keywordMatch) {
errors.push(
"avoid using JavaScript keyword as property name: " +
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"\"" + (keywordMatch[0]) + "\"\n Raw expression: " + (text.trim())
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);
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} else {
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errors.push(
"invalid expression: " + (e.message) + " in\n\n" +
" " + exp + "\n\n" +
" Raw expression: " + (text.trim()) + "\n"
);
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}
}
}
/* */
function createFunction (code, errors) {
try {
return new Function(code)
} catch (err) {
errors.push({ err: err, code: code });
return noop
}
}
function createCompileToFunctionFn (compile) {
var cache = Object.create(null);
return function compileToFunctions (
template,
options,
vm
) {
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options = extend({}, options);
var warn$$1 = options.warn || warn;
delete options.warn;
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/* istanbul ignore if */
if (process.env.NODE_ENV !== 'production') {
// detect possible CSP restriction
try {
new Function('return 1');
} catch (e) {
if (e.toString().match(/unsafe-eval|CSP/)) {
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warn$$1(
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'It seems you are using the standalone build of Vue.js in an ' +
'environment with Content Security Policy that prohibits unsafe-eval. ' +
'The template compiler cannot work in this environment. Consider ' +
'relaxing the policy to allow unsafe-eval or pre-compiling your ' +
'templates into render functions.'
);
}
}
}
// check cache
var key = options.delimiters
? String(options.delimiters) + template
: template;
if (cache[key]) {
return cache[key]
}
// compile
var compiled = compile(template, options);
// check compilation errors/tips
if (process.env.NODE_ENV !== 'production') {
if (compiled.errors && compiled.errors.length) {
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warn$$1(
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"Error compiling template:\n\n" + template + "\n\n" +
compiled.errors.map(function (e) { return ("- " + e); }).join('\n') + '\n',
vm
);
}
if (compiled.tips && compiled.tips.length) {
compiled.tips.forEach(function (msg) { return tip(msg, vm); });
}
}
// turn code into functions
var res = {};
var fnGenErrors = [];
res.render = createFunction(compiled.render, fnGenErrors);
res.staticRenderFns = compiled.staticRenderFns.map(function (code) {
return createFunction(code, fnGenErrors)
});
// check function generation errors.
// this should only happen if there is a bug in the compiler itself.
// mostly for codegen development use
/* istanbul ignore if */
if (process.env.NODE_ENV !== 'production') {
if ((!compiled.errors || !compiled.errors.length) && fnGenErrors.length) {
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warn$$1(
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"Failed to generate render function:\n\n" +
fnGenErrors.map(function (ref) {
var err = ref.err;
var code = ref.code;
return ((err.toString()) + " in\n\n" + code + "\n");
}).join('\n'),
vm
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);
}
}
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return (cache[key] = res)
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}
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}
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/* */
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function createCompilerCreator (baseCompile) {
return function createCompiler (baseOptions) {
function compile (
template,
options
) {
var finalOptions = Object.create(baseOptions);
var errors = [];
var tips = [];
finalOptions.warn = function (msg, tip) {
(tip ? tips : errors).push(msg);
};
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if (options) {
// merge custom modules
if (options.modules) {
finalOptions.modules =
(baseOptions.modules || []).concat(options.modules);
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}
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// merge custom directives
if (options.directives) {
finalOptions.directives = extend(
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Object.create(baseOptions.directives || null),
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options.directives
);
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}
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// copy other options
for (var key in options) {
if (key !== 'modules' && key !== 'directives') {
finalOptions[key] = options[key];
}
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}
}
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var compiled = baseCompile(template, finalOptions);
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if (process.env.NODE_ENV !== 'production') {
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errors.push.apply(errors, detectErrors(compiled.ast));
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}
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compiled.errors = errors;
compiled.tips = tips;
return compiled
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}
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return {
compile: compile,
compileToFunctions: createCompileToFunctionFn(compile)
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}
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}
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}
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/* */
var createCompiler = createCompilerCreator(function baseCompile (
template,
options
) {
var ast = parse(template.trim(), options);
optimize(ast, options);
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var code = generate$1(ast, options);
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return {
ast: ast,
render: code.render,
staticRenderFns: code.staticRenderFns
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}
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});
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/* */
var ref = createCompiler(baseOptions);
var compileToFunctions = ref.compileToFunctions;
/* */
// The template compiler attempts to minimize the need for normalization by
// statically analyzing the template at compile time.
//
// For plain HTML markup, normalization can be completely skipped because the
// generated render function is guaranteed to return Array<VNode>. There are
// two cases where extra normalization is needed:
// 1. When the children contains components - because a functional component
// may return an Array instead of a single root. In this case, just a simple
// normalization is needed - if any child is an Array, we flatten the whole
// thing with Array.prototype.concat. It is guaranteed to be only 1-level deep
// because functional components already normalize their own children.
function simpleNormalizeChildren (children) {
for (var i = 0; i < children.length; i++) {
if (Array.isArray(children[i])) {
return Array.prototype.concat.apply([], children)
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}
}
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return children
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}
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// 2. When the children contains constructs that always generated nested Arrays,
// e.g. <template>, <slot>, v-for, or when the children is provided by user
// with hand-written render functions / JSX. In such cases a full normalization
// is needed to cater to all possible types of children values.
function normalizeChildren (children) {
return isPrimitive(children)
? [createTextVNode(children)]
: Array.isArray(children)
? normalizeArrayChildren(children)
: undefined
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}
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function isTextNode (node) {
return isDef(node) && isDef(node.text) && isFalse(node.isComment)
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}
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function normalizeArrayChildren (children, nestedIndex) {
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var res = [];
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var i, c, lastIndex, last;
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for (i = 0; i < children.length; i++) {
c = children[i];
if (isUndef(c) || typeof c === 'boolean') { continue }
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lastIndex = res.length - 1;
last = res[lastIndex];
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// nested
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if (Array.isArray(c)) {
if (c.length > 0) {
c = normalizeArrayChildren(c, ((nestedIndex || '') + "_" + i));
// merge adjacent text nodes
if (isTextNode(c[0]) && isTextNode(last)) {
res[lastIndex] = createTextVNode(last.text + (c[0]).text);
c.shift();
}
res.push.apply(res, c);
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}
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} else if (isPrimitive(c)) {
if (isTextNode(last)) {
// merge adjacent text nodes
// this is necessary for SSR hydration because text nodes are
// essentially merged when rendered to HTML strings
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res[lastIndex] = createTextVNode(last.text + c);
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} else if (c !== '') {
// convert primitive to vnode
res.push(createTextVNode(c));
}
} else {
if (isTextNode(c) && isTextNode(last)) {
// merge adjacent text nodes
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res[lastIndex] = createTextVNode(last.text + c.text);
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} else {
// default key for nested array children (likely generated by v-for)
if (isTrue(children._isVList) &&
isDef(c.tag) &&
isUndef(c.key) &&
isDef(nestedIndex)) {
c.key = "__vlist" + nestedIndex + "_" + i + "__";
}
res.push(c);
}
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}
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}
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return res
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}
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/* */
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var ssrHelpers = {
_ssrEscape: escape,
_ssrNode: renderStringNode,
_ssrList: renderStringList,
_ssrAttr: renderAttr,
_ssrAttrs: renderAttrs$1,
_ssrDOMProps: renderDOMProps$1,
_ssrClass: renderSSRClass,
_ssrStyle: renderSSRStyle
};
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function installSSRHelpers (vm) {
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if (vm._ssrNode) {
return
}
var Vue = vm.constructor;
while (Vue.super) {
Vue = Vue.super;
}
extend(Vue.prototype, ssrHelpers);
if (Vue.FunctionalRenderContext) {
extend(Vue.FunctionalRenderContext.prototype, ssrHelpers);
}
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}
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var StringNode = function StringNode (
open,
close,
children,
normalizationType
) {
this.isString = true;
this.open = open;
this.close = close;
if (children) {
this.children = normalizationType === 1
? simpleNormalizeChildren(children)
: normalizationType === 2
? normalizeChildren(children)
: children;
} else {
this.children = void 0;
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}
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};
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function renderStringNode (
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open,
close,
children,
normalizationType
) {
return new StringNode(open, close, children, normalizationType)
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}
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function renderStringList (
val,
render
) {
var ret = '';
var i, l, keys, key;
if (Array.isArray(val) || typeof val === 'string') {
for (i = 0, l = val.length; i < l; i++) {
ret += render(val[i], i);
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}
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} else if (typeof val === 'number') {
for (i = 0; i < val; i++) {
ret += render(i + 1, i);
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}
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} else if (isObject(val)) {
keys = Object.keys(val);
for (i = 0, l = keys.length; i < l; i++) {
key = keys[i];
ret += render(val[key], key, i);
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}
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}
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return ret
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}
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function renderAttrs$1 (obj) {
var res = '';
for (var key in obj) {
res += renderAttr(key, obj[key]);
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}
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return res
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}
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function renderDOMProps$1 (obj) {
var res = '';
for (var key in obj) {
var attr = propsToAttrMap[key] || key.toLowerCase();
if (isRenderableAttr(attr)) {
res += renderAttr(attr, obj[key]);
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}
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}
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return res
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}
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function renderSSRClass (
staticClass,
dynamic
) {
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var res = renderClass(staticClass, dynamic);
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return res === '' ? res : (" class=\"" + (escape(res)) + "\"")
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}
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function renderSSRStyle (
staticStyle,
dynamic,
extra
) {
var style = {};
if (staticStyle) { extend(style, staticStyle); }
if (dynamic) { extend(style, normalizeStyleBinding(dynamic)); }
if (extra) { extend(style, extra); }
var res = genStyle(style);
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return res === '' ? res : (" style=" + (JSON.stringify(escape(res))))
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}
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/* not type checking this file because flow doesn't play well with Proxy */
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if (process.env.NODE_ENV !== 'production') {
var allowedGlobals = makeMap(
'Infinity,undefined,NaN,isFinite,isNaN,' +
'parseFloat,parseInt,decodeURI,decodeURIComponent,encodeURI,encodeURIComponent,' +
'Math,Number,Date,Array,Object,Boolean,String,RegExp,Map,Set,JSON,Intl,' +
'require' // for Webpack/Browserify
);
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var hasProxy =
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typeof Proxy !== 'undefined' && isNative(Proxy);
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if (hasProxy) {
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var isBuiltInModifier = makeMap('stop,prevent,self,ctrl,shift,alt,meta,exact');
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config.keyCodes = new Proxy(config.keyCodes, {
set: function set (target, key, value) {
if (isBuiltInModifier(key)) {
warn(("Avoid overwriting built-in modifier in config.keyCodes: ." + key));
return false
} else {
target[key] = value;
return true
}
}
});
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}
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2017-10-13 11:04:35 +08:00
2017-01-17 07:48:06 +08:00
}
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/* */
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var seenObjects = new _Set();
/**
* Recursively traverse an object to evoke all converted
* getters, so that every nested property inside the object
* is collected as a "deep" dependency.
*/
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function traverse (val) {
_traverse(val, seenObjects);
seenObjects.clear();
}
function _traverse (val, seen) {
var i, keys;
var isA = Array.isArray(val);
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if ((!isA && !isObject(val)) || Object.isFrozen(val) || val instanceof VNode) {
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return
}
if (val.__ob__) {
var depId = val.__ob__.dep.id;
if (seen.has(depId)) {
return
}
seen.add(depId);
}
if (isA) {
i = val.length;
while (i--) { _traverse(val[i], seen); }
} else {
keys = Object.keys(val);
i = keys.length;
while (i--) { _traverse(val[keys[i]], seen); }
}
}
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if (process.env.NODE_ENV !== 'production') {
var perf = inBrowser && window.performance;
/* istanbul ignore if */
if (
perf &&
perf.mark &&
perf.measure &&
perf.clearMarks &&
perf.clearMeasures
) {
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}
}
/* */
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var normalizeEvent = cached(function (name) {
var passive = name.charAt(0) === '&';
name = passive ? name.slice(1) : name;
var once$$1 = name.charAt(0) === '~'; // Prefixed last, checked first
name = once$$1 ? name.slice(1) : name;
var capture = name.charAt(0) === '!';
name = capture ? name.slice(1) : name;
return {
name: name,
once: once$$1,
capture: capture,
passive: passive
}
});
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function createFnInvoker (fns) {
function invoker () {
var arguments$1 = arguments;
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var fns = invoker.fns;
if (Array.isArray(fns)) {
var cloned = fns.slice();
for (var i = 0; i < cloned.length; i++) {
cloned[i].apply(null, arguments$1);
}
} else {
// return handler return value for single handlers
return fns.apply(null, arguments)
}
}
invoker.fns = fns;
return invoker
}
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function updateListeners (
on,
oldOn,
add,
remove$$1,
vm
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) {
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var name, def, cur, old, event;
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for (name in on) {
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def = cur = on[name];
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old = oldOn[name];
event = normalizeEvent(name);
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/* istanbul ignore if */
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if (isUndef(cur)) {
process.env.NODE_ENV !== 'production' && warn(
"Invalid handler for event \"" + (event.name) + "\": got " + String(cur),
vm
);
} else if (isUndef(old)) {
if (isUndef(cur.fns)) {
cur = on[name] = createFnInvoker(cur);
}
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add(event.name, cur, event.once, event.capture, event.passive, event.params);
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} else if (cur !== old) {
old.fns = cur;
on[name] = old;
}
}
for (name in oldOn) {
if (isUndef(on[name])) {
event = normalizeEvent(name);
remove$$1(event.name, oldOn[name], event.capture);
}
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}
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}
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/* */
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/* */
function extractPropsFromVNodeData (
data,
Ctor,
tag
) {
// we are only extracting raw values here.
// validation and default values are handled in the child
// component itself.
var propOptions = Ctor.options.props;
if (isUndef(propOptions)) {
return
}
var res = {};
var attrs = data.attrs;
var props = data.props;
if (isDef(attrs) || isDef(props)) {
for (var key in propOptions) {
var altKey = hyphenate(key);
if (process.env.NODE_ENV !== 'production') {
var keyInLowerCase = key.toLowerCase();
if (
key !== keyInLowerCase &&
attrs && hasOwn(attrs, keyInLowerCase)
) {
tip(
"Prop \"" + keyInLowerCase + "\" is passed to component " +
(formatComponentName(tag || Ctor)) + ", but the declared prop name is" +
" \"" + key + "\". " +
"Note that HTML attributes are case-insensitive and camelCased " +
"props need to use their kebab-case equivalents when using in-DOM " +
"templates. You should probably use \"" + altKey + "\" instead of \"" + key + "\"."
);
}
}
checkProp(res, props, key, altKey, true) ||
checkProp(res, attrs, key, altKey, false);
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}
}
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return res
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}
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function checkProp (
res,
hash,
key,
altKey,
preserve
) {
if (isDef(hash)) {
if (hasOwn(hash, key)) {
res[key] = hash[key];
if (!preserve) {
delete hash[key];
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}
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return true
} else if (hasOwn(hash, altKey)) {
res[key] = hash[altKey];
if (!preserve) {
delete hash[altKey];
}
return true
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}
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}
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return false
}
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/* */
function ensureCtor (comp, base) {
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if (
comp.__esModule ||
(hasSymbol && comp[Symbol.toStringTag] === 'Module')
) {
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comp = comp.default;
}
return isObject(comp)
? base.extend(comp)
: comp
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}
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function createAsyncPlaceholder (
factory,
data,
context,
children,
tag
) {
var node = createEmptyVNode();
node.asyncFactory = factory;
node.asyncMeta = { data: data, context: context, children: children, tag: tag };
return node
}
function resolveAsyncComponent (
factory,
baseCtor,
context
) {
if (isTrue(factory.error) && isDef(factory.errorComp)) {
return factory.errorComp
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}
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if (isDef(factory.resolved)) {
return factory.resolved
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}
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if (isTrue(factory.loading) && isDef(factory.loadingComp)) {
return factory.loadingComp
}
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if (isDef(factory.contexts)) {
// already pending
factory.contexts.push(context);
} else {
var contexts = factory.contexts = [context];
var sync = true;
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var forceRender = function () {
for (var i = 0, l = contexts.length; i < l; i++) {
contexts[i].$forceUpdate();
}
};
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var resolve = once(function (res) {
// cache resolved
factory.resolved = ensureCtor(res, baseCtor);
// invoke callbacks only if this is not a synchronous resolve
// (async resolves are shimmed as synchronous during SSR)
if (!sync) {
forceRender();
}
});
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var reject = once(function (reason) {
process.env.NODE_ENV !== 'production' && warn(
"Failed to resolve async component: " + (String(factory)) +
(reason ? ("\nReason: " + reason) : '')
);
if (isDef(factory.errorComp)) {
factory.error = true;
forceRender();
}
});
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var res = factory(resolve, reject);
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if (isObject(res)) {
if (typeof res.then === 'function') {
// () => Promise
if (isUndef(factory.resolved)) {
res.then(resolve, reject);
}
} else if (isDef(res.component) && typeof res.component.then === 'function') {
res.component.then(resolve, reject);
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if (isDef(res.error)) {
factory.errorComp = ensureCtor(res.error, baseCtor);
}
if (isDef(res.loading)) {
factory.loadingComp = ensureCtor(res.loading, baseCtor);
if (res.delay === 0) {
factory.loading = true;
} else {
setTimeout(function () {
if (isUndef(factory.resolved) && isUndef(factory.error)) {
factory.loading = true;
forceRender();
}
}, res.delay || 200);
}
}
if (isDef(res.timeout)) {
setTimeout(function () {
if (isUndef(factory.resolved)) {
reject(
process.env.NODE_ENV !== 'production'
? ("timeout (" + (res.timeout) + "ms)")
: null
);
}
}, res.timeout);
}
}
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}
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sync = false;
// return in case resolved synchronously
return factory.loading
? factory.loadingComp
: factory.resolved
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}
}
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/* */
/* */
/* */
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/* */
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var target;
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function add (event, fn, once) {
if (once) {
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target.$once(event, fn);
} else {
target.$on(event, fn);
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}
}
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function remove$1 (event, fn) {
target.$off(event, fn);
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}
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function updateComponentListeners (
vm,
listeners,
oldListeners
) {
target = vm;
updateListeners(listeners, oldListeners || {}, add, remove$1, vm);
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target = undefined;
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}
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/* */
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/**
* Runtime helper for resolving raw children VNodes into a slot object.
*/
function resolveSlots (
children,
context
) {
var slots = {};
if (!children) {
return slots
}
for (var i = 0, l = children.length; i < l; i++) {
var child = children[i];
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var data = child.data;
// remove slot attribute if the node is resolved as a Vue slot node
if (data && data.attrs && data.attrs.slot) {
delete data.attrs.slot;
}
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// named slots should only be respected if the vnode was rendered in the
// same context.
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if ((child.context === context || child.fnContext === context) &&
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data && data.slot != null
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) {
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var name = data.slot;
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var slot = (slots[name] || (slots[name] = []));
if (child.tag === 'template') {
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slot.push.apply(slot, child.children || []);
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} else {
slot.push(child);
}
} else {
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(slots.default || (slots.default = [])).push(child);
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}
}
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// ignore slots that contains only whitespace
for (var name$1 in slots) {
if (slots[name$1].every(isWhitespace)) {
delete slots[name$1];
}
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}
return slots
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}
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function isWhitespace (node) {
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return (node.isComment && !node.asyncFactory) || node.text === ' '
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}
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function resolveScopedSlots (
fns, // see flow/vnode
res
) {
res = res || {};
for (var i = 0; i < fns.length; i++) {
if (Array.isArray(fns[i])) {
resolveScopedSlots(fns[i], res);
} else {
res[fns[i].key] = fns[i].fn;
}
}
return res
}
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/* */
var activeInstance = null;
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function updateChildComponent (
vm,
propsData,
listeners,
parentVnode,
renderChildren
) {
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if (process.env.NODE_ENV !== 'production') {
}
// determine whether component has slot children
// we need to do this before overwriting $options._renderChildren
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var hasChildren = !!(
renderChildren || // has new static slots
vm.$options._renderChildren || // has old static slots
parentVnode.data.scopedSlots || // has new scoped slots
vm.$scopedSlots !== emptyObject // has old scoped slots
);
2016-10-13 17:27:27 +08:00
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vm.$options._parentVnode = parentVnode;
vm.$vnode = parentVnode; // update vm's placeholder node without re-render
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if (vm._vnode) { // update child tree's parent
vm._vnode.parent = parentVnode;
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}
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vm.$options._renderChildren = renderChildren;
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2017-09-13 15:57:29 +08:00
// update $attrs and $listeners hash
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// these are also reactive so they may trigger child update if the child
// used them during render
2018-03-10 05:41:25 +08:00
vm.$attrs = parentVnode.data.attrs || emptyObject;
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vm.$listeners = listeners || emptyObject;
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2017-07-13 13:58:22 +08:00
// update props
if (propsData && vm.$options.props) {
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toggleObserving(false);
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var props = vm._props;
var propKeys = vm.$options._propKeys || [];
for (var i = 0; i < propKeys.length; i++) {
var key = propKeys[i];
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var propOptions = vm.$options.props; // wtf flow?
props[key] = validateProp(key, propOptions, propsData, vm);
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}
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toggleObserving(true);
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// keep a copy of raw propsData
vm.$options.propsData = propsData;
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}
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// update listeners
2018-03-10 05:41:25 +08:00
listeners = listeners || emptyObject;
var oldListeners = vm.$options._parentListeners;
vm.$options._parentListeners = listeners;
updateComponentListeners(vm, listeners, oldListeners);
2017-07-13 13:58:22 +08:00
// resolve slots + force update if has children
if (hasChildren) {
vm.$slots = resolveSlots(renderChildren, parentVnode.context);
vm.$forceUpdate();
}
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if (process.env.NODE_ENV !== 'production') {
}
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}
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function isInInactiveTree (vm) {
while (vm && (vm = vm.$parent)) {
if (vm._inactive) { return true }
}
return false
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}
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function activateChildComponent (vm, direct) {
if (direct) {
vm._directInactive = false;
if (isInInactiveTree(vm)) {
return
}
} else if (vm._directInactive) {
return
}
if (vm._inactive || vm._inactive === null) {
vm._inactive = false;
for (var i = 0; i < vm.$children.length; i++) {
activateChildComponent(vm.$children[i]);
}
callHook(vm, 'activated');
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}
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}
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function deactivateChildComponent (vm, direct) {
if (direct) {
vm._directInactive = true;
if (isInInactiveTree(vm)) {
return
}
}
if (!vm._inactive) {
vm._inactive = true;
for (var i = 0; i < vm.$children.length; i++) {
deactivateChildComponent(vm.$children[i]);
}
callHook(vm, 'deactivated');
}
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}
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function callHook (vm, hook) {
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// #7573 disable dep collection when invoking lifecycle hooks
pushTarget();
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var handlers = vm.$options[hook];
if (handlers) {
for (var i = 0, j = handlers.length; i < j; i++) {
try {
handlers[i].call(vm);
} catch (e) {
handleError(e, vm, (hook + " hook"));
}
}
}
if (vm._hasHookEvent) {
vm.$emit('hook:' + hook);
}
2018-03-10 05:41:25 +08:00
popTarget();
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}
2017-02-25 08:01:09 +08:00
2017-07-13 13:58:22 +08:00
/* */
2017-02-25 08:01:09 +08:00
2017-04-26 18:32:30 +08:00
2017-12-19 22:54:13 +08:00
2017-12-20 03:06:50 +08:00
var activatedChildren = [];
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/**
* Queue a kept-alive component that was activated during patch.
* The queue will be processed after the entire tree has been patched.
*/
function queueActivatedComponent (vm) {
// setting _inactive to false here so that a render function can
// rely on checking whether it's in an inactive tree (e.g. router-view)
vm._inactive = false;
activatedChildren.push(vm);
2017-04-26 18:32:30 +08:00
}
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/**
* Push a watcher into the watcher queue.
* Jobs with duplicate IDs will be skipped unless it's
* pushed when the queue is being flushed.
*/
2017-02-25 08:01:09 +08:00
2017-04-26 18:32:30 +08:00
/* */
/* */
2017-02-25 08:01:09 +08:00
2017-07-13 13:58:22 +08:00
/* */
2017-02-25 08:01:09 +08:00
2017-07-13 13:58:22 +08:00
var SIMPLE_NORMALIZE = 1;
var ALWAYS_NORMALIZE = 2;
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2017-07-13 13:58:22 +08:00
// wrapper function for providing a more flexible interface
// without getting yelled at by flow
function createElement (
context,
tag,
data,
children,
normalizationType,
alwaysNormalize
) {
if (Array.isArray(data) || isPrimitive(data)) {
normalizationType = children;
children = data;
data = undefined;
}
if (isTrue(alwaysNormalize)) {
normalizationType = ALWAYS_NORMALIZE;
}
return _createElement(context, tag, data, children, normalizationType)
2017-02-25 08:01:09 +08:00
}
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function _createElement (
context,
tag,
data,
children,
normalizationType
2017-02-25 08:01:09 +08:00
) {
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if (isDef(data) && isDef((data).__ob__)) {
process.env.NODE_ENV !== 'production' && warn(
"Avoid using observed data object as vnode data: " + (JSON.stringify(data)) + "\n" +
'Always create fresh vnode data objects in each render!',
context
);
return createEmptyVNode()
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}
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// object syntax in v-bind
if (isDef(data) && isDef(data.is)) {
tag = data.is;
}
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if (!tag) {
// in case of component :is set to falsy value
return createEmptyVNode()
}
// warn against non-primitive key
if (process.env.NODE_ENV !== 'production' &&
isDef(data) && isDef(data.key) && !isPrimitive(data.key)
) {
2017-12-19 22:54:13 +08:00
{
warn(
'Avoid using non-primitive value as key, ' +
'use string/number value instead.',
context
);
}
2017-07-13 13:58:22 +08:00
}
// support single function children as default scoped slot
if (Array.isArray(children) &&
typeof children[0] === 'function'
) {
data = data || {};
data.scopedSlots = { default: children[0] };
children.length = 0;
}
if (normalizationType === ALWAYS_NORMALIZE) {
children = normalizeChildren(children);
} else if (normalizationType === SIMPLE_NORMALIZE) {
children = simpleNormalizeChildren(children);
}
var vnode, ns;
if (typeof tag === 'string') {
var Ctor;
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ns = (context.$vnode && context.$vnode.ns) || config.getTagNamespace(tag);
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if (config.isReservedTag(tag)) {
// platform built-in elements
vnode = new VNode(
config.parsePlatformTagName(tag), data, children,
undefined, undefined, context
);
} else if (isDef(Ctor = resolveAsset(context.$options, 'components', tag))) {
// component
vnode = createComponent(Ctor, data, context, children, tag);
} else {
// unknown or unlisted namespaced elements
// check at runtime because it may get assigned a namespace when its
// parent normalizes children
vnode = new VNode(
tag, data, children,
undefined, undefined, context
);
}
} else {
// direct component options / constructor
vnode = createComponent(tag, data, context, children);
2017-02-25 08:01:09 +08:00
}
2018-03-10 05:41:25 +08:00
if (Array.isArray(vnode)) {
return vnode
} else if (isDef(vnode)) {
if (isDef(ns)) { applyNS(vnode, ns); }
if (isDef(data)) { registerDeepBindings(data); }
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return vnode
} else {
return createEmptyVNode()
}
}
2017-04-26 18:32:30 +08:00
2017-10-13 11:04:35 +08:00
function applyNS (vnode, ns, force) {
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vnode.ns = ns;
if (vnode.tag === 'foreignObject') {
// use default namespace inside foreignObject
2017-10-13 11:04:35 +08:00
ns = undefined;
force = true;
2017-07-13 13:58:22 +08:00
}
if (isDef(vnode.children)) {
for (var i = 0, l = vnode.children.length; i < l; i++) {
var child = vnode.children[i];
2018-03-10 05:41:25 +08:00
if (isDef(child.tag) && (
isUndef(child.ns) || (isTrue(force) && child.tag !== 'svg'))) {
2017-10-13 11:04:35 +08:00
applyNS(child, ns, force);
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}
}
2017-01-17 07:48:06 +08:00
}
}
2018-03-10 05:41:25 +08:00
// ref #5318
// necessary to ensure parent re-render when deep bindings like :style and
// :class are used on slot nodes
function registerDeepBindings (data) {
if (isObject(data.style)) {
traverse(data.style);
}
if (isObject(data.class)) {
traverse(data.class);
}
}
2017-02-25 08:01:09 +08:00
/* */
2017-07-13 13:58:22 +08:00
/**
* Runtime helper for rendering v-for lists.
*/
2017-10-13 11:04:35 +08:00
function renderList (
val,
render
) {
var ret, i, l, keys, key;
if (Array.isArray(val) || typeof val === 'string') {
ret = new Array(val.length);
for (i = 0, l = val.length; i < l; i++) {
ret[i] = render(val[i], i);
}
} else if (typeof val === 'number') {
ret = new Array(val);
for (i = 0; i < val; i++) {
ret[i] = render(i + 1, i);
}
} else if (isObject(val)) {
keys = Object.keys(val);
ret = new Array(keys.length);
for (i = 0, l = keys.length; i < l; i++) {
key = keys[i];
ret[i] = render(val[key], key, i);
}
}
if (isDef(ret)) {
(ret)._isVList = true;
}
return ret
}
2016-11-05 04:47:02 +08:00
2017-02-25 08:01:09 +08:00
/* */
2017-07-13 13:58:22 +08:00
/**
* Runtime helper for rendering <slot>
*/
2017-10-13 11:04:35 +08:00
function renderSlot (
name,
fallback,
props,
bindObject
) {
var scopedSlotFn = this.$scopedSlots[name];
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var nodes;
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if (scopedSlotFn) { // scoped slot
props = props || {};
if (bindObject) {
if (process.env.NODE_ENV !== 'production' && !isObject(bindObject)) {
warn(
'slot v-bind without argument expects an Object',
this
);
}
props = extend(extend({}, bindObject), props);
}
2017-11-04 05:11:28 +08:00
nodes = scopedSlotFn(props) || fallback;
2017-10-13 11:04:35 +08:00
} else {
var slotNodes = this.$slots[name];
// warn duplicate slot usage
2017-11-04 05:11:28 +08:00
if (slotNodes) {
if (process.env.NODE_ENV !== 'production' && slotNodes._rendered) {
warn(
"Duplicate presence of slot \"" + name + "\" found in the same render tree " +
"- this will likely cause render errors.",
this
);
}
2017-10-13 11:04:35 +08:00
slotNodes._rendered = true;
}
2017-11-04 05:11:28 +08:00
nodes = slotNodes || fallback;
}
var target = props && props.slot;
if (target) {
return this.$createElement('template', { slot: target }, nodes)
} else {
return nodes
2017-10-13 11:04:35 +08:00
}
}
2017-07-13 13:58:22 +08:00
/* */
/**
* Runtime helper for resolving filters
*/
2017-10-13 11:04:35 +08:00
function resolveFilter (id) {
return resolveAsset(this.$options, 'filters', id, true) || identity
}
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/* */
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function isKeyNotMatch (expect, actual) {
if (Array.isArray(expect)) {
return expect.indexOf(actual) === -1
} else {
return expect !== actual
}
}
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/**
* Runtime helper for checking keyCodes from config.
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* exposed as Vue.prototype._k
* passing in eventKeyName as last argument separately for backwards compat
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*/
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function checkKeyCodes (
eventKeyCode,
key,
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builtInKeyCode,
eventKeyName,
builtInKeyName
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) {
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var mappedKeyCode = config.keyCodes[key] || builtInKeyCode;
if (builtInKeyName && eventKeyName && !config.keyCodes[key]) {
return isKeyNotMatch(builtInKeyName, eventKeyName)
} else if (mappedKeyCode) {
return isKeyNotMatch(mappedKeyCode, eventKeyCode)
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} else if (eventKeyName) {
return hyphenate(eventKeyName) !== key
}
}
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/* */
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/**
* Runtime helper for merging v-bind="object" into a VNode's data.
*/
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function bindObjectProps (
data,
tag,
value,
asProp,
isSync
) {
if (value) {
if (!isObject(value)) {
process.env.NODE_ENV !== 'production' && warn(
'v-bind without argument expects an Object or Array value',
this
);
} else {
if (Array.isArray(value)) {
value = toObject(value);
}
var hash;
var loop = function ( key ) {
if (
key === 'class' ||
key === 'style' ||
isReservedAttribute(key)
) {
hash = data;
} else {
var type = data.attrs && data.attrs.type;
hash = asProp || config.mustUseProp(tag, type, key)
? data.domProps || (data.domProps = {})
: data.attrs || (data.attrs = {});
}
if (!(key in hash)) {
hash[key] = value[key];
if (isSync) {
var on = data.on || (data.on = {});
on[("update:" + key)] = function ($event) {
value[key] = $event;
};
}
}
};
for (var key in value) loop( key );
}
}
return data
}
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/* */
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/**
* Runtime helper for rendering static trees.
*/
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function renderStatic (
index,
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isInFor
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) {
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var cached = this._staticTrees || (this._staticTrees = []);
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var tree = cached[index];
// if has already-rendered static tree and not inside v-for,
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// we can reuse the same tree.
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if (tree && !isInFor) {
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return tree
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}
// otherwise, render a fresh tree.
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tree = cached[index] = this.$options.staticRenderFns[index].call(
this._renderProxy,
null,
this // for render fns generated for functional component templates
);
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markStatic(tree, ("__static__" + index), false);
return tree
}
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/**
* Runtime helper for v-once.
* Effectively it means marking the node as static with a unique key.
*/
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function markOnce (
tree,
index,
key
) {
markStatic(tree, ("__once__" + index + (key ? ("_" + key) : "")), true);
return tree
}
function markStatic (
tree,
key,
isOnce
) {
if (Array.isArray(tree)) {
for (var i = 0; i < tree.length; i++) {
if (tree[i] && typeof tree[i] !== 'string') {
markStaticNode(tree[i], (key + "_" + i), isOnce);
}
}
} else {
markStaticNode(tree, key, isOnce);
}
}
function markStaticNode (node, key, isOnce) {
node.isStatic = true;
node.key = key;
node.isOnce = isOnce;
}
/* */
function bindObjectListeners (data, value) {
if (value) {
if (!isPlainObject(value)) {
process.env.NODE_ENV !== 'production' && warn(
'v-on without argument expects an Object value',
this
);
} else {
var on = data.on = data.on ? extend({}, data.on) : {};
for (var key in value) {
var existing = on[key];
var ours = value[key];
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on[key] = existing ? [].concat(existing, ours) : ours;
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}
}
}
return data
}
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/* */
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function installRenderHelpers (target) {
target._o = markOnce;
target._n = toNumber;
target._s = toString;
target._l = renderList;
target._t = renderSlot;
target._q = looseEqual;
target._i = looseIndexOf;
target._m = renderStatic;
target._f = resolveFilter;
target._k = checkKeyCodes;
target._b = bindObjectProps;
target._v = createTextVNode;
target._e = createEmptyVNode;
target._u = resolveScopedSlots;
target._g = bindObjectListeners;
}
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/* */
/* */
function resolveInject (inject, vm) {
if (inject) {
// inject is :any because flow is not smart enough to figure out cached
var result = Object.create(null);
var keys = hasSymbol
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? Reflect.ownKeys(inject).filter(function (key) {
/* istanbul ignore next */
return Object.getOwnPropertyDescriptor(inject, key).enumerable
})
: Object.keys(inject);
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for (var i = 0; i < keys.length; i++) {
var key = keys[i];
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var provideKey = inject[key].from;
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var source = vm;
while (source) {
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if (source._provided && hasOwn(source._provided, provideKey)) {
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result[key] = source._provided[provideKey];
break
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}
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source = source.$parent;
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}
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if (!source) {
if ('default' in inject[key]) {
var provideDefault = inject[key].default;
result[key] = typeof provideDefault === 'function'
? provideDefault.call(vm)
: provideDefault;
} else if (process.env.NODE_ENV !== 'production') {
warn(("Injection \"" + key + "\" not found"), vm);
}
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}
}
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return result
}
}
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/* */
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function resolveConstructorOptions (Ctor) {
var options = Ctor.options;
if (Ctor.super) {
var superOptions = resolveConstructorOptions(Ctor.super);
var cachedSuperOptions = Ctor.superOptions;
if (superOptions !== cachedSuperOptions) {
// super option changed,
// need to resolve new options.
Ctor.superOptions = superOptions;
// check if there are any late-modified/attached options (#4976)
var modifiedOptions = resolveModifiedOptions(Ctor);
// update base extend options
if (modifiedOptions) {
extend(Ctor.extendOptions, modifiedOptions);
}
options = Ctor.options = mergeOptions(superOptions, Ctor.extendOptions);
if (options.name) {
options.components[options.name] = Ctor;
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}
}
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}
return options
}
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function resolveModifiedOptions (Ctor) {
var modified;
var latest = Ctor.options;
var extended = Ctor.extendOptions;
var sealed = Ctor.sealedOptions;
for (var key in latest) {
if (latest[key] !== sealed[key]) {
if (!modified) { modified = {}; }
modified[key] = dedupe(latest[key], extended[key], sealed[key]);
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}
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}
return modified
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}
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function dedupe (latest, extended, sealed) {
// compare latest and sealed to ensure lifecycle hooks won't be duplicated
// between merges
if (Array.isArray(latest)) {
var res = [];
sealed = Array.isArray(sealed) ? sealed : [sealed];
extended = Array.isArray(extended) ? extended : [extended];
for (var i = 0; i < latest.length; i++) {
// push original options and not sealed options to exclude duplicated options
if (extended.indexOf(latest[i]) >= 0 || sealed.indexOf(latest[i]) < 0) {
res.push(latest[i]);
}
}
return res
} else {
return latest
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}
}
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/* */
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function FunctionalRenderContext (
data,
props,
children,
parent,
Ctor
) {
var options = Ctor.options;
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// ensure the createElement function in functional components
// gets a unique context - this is necessary for correct named slot check
var contextVm;
if (hasOwn(parent, '_uid')) {
contextVm = Object.create(parent);
// $flow-disable-line
contextVm._original = parent;
} else {
// the context vm passed in is a functional context as well.
// in this case we want to make sure we are able to get a hold to the
// real context instance.
contextVm = parent;
// $flow-disable-line
parent = parent._original;
}
var isCompiled = isTrue(options._compiled);
var needNormalization = !isCompiled;
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this.data = data;
this.props = props;
this.children = children;
this.parent = parent;
this.listeners = data.on || emptyObject;
this.injections = resolveInject(options.inject, parent);
this.slots = function () { return resolveSlots(children, parent); };
// support for compiled functional template
if (isCompiled) {
// exposing $options for renderStatic()
this.$options = options;
// pre-resolve slots for renderSlot()
this.$slots = this.slots();
this.$scopedSlots = data.scopedSlots || emptyObject;
}
if (options._scopeId) {
this._c = function (a, b, c, d) {
var vnode = createElement(contextVm, a, b, c, d, needNormalization);
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if (vnode && !Array.isArray(vnode)) {
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vnode.fnScopeId = options._scopeId;
vnode.fnContext = parent;
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}
return vnode
};
} else {
this._c = function (a, b, c, d) { return createElement(contextVm, a, b, c, d, needNormalization); };
}
}
installRenderHelpers(FunctionalRenderContext.prototype);
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function createFunctionalComponent (
Ctor,
propsData,
data,
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contextVm,
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children
) {
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var options = Ctor.options;
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var props = {};
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var propOptions = options.props;
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if (isDef(propOptions)) {
for (var key in propOptions) {
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props[key] = validateProp(key, propOptions, propsData || emptyObject);
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}
} else {
if (isDef(data.attrs)) { mergeProps(props, data.attrs); }
if (isDef(data.props)) { mergeProps(props, data.props); }
}
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var renderContext = new FunctionalRenderContext(
data,
props,
children,
contextVm,
Ctor
);
var vnode = options.render.call(null, renderContext._c, renderContext);
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if (vnode instanceof VNode) {
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return cloneAndMarkFunctionalResult(vnode, data, renderContext.parent, options)
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} else if (Array.isArray(vnode)) {
var vnodes = normalizeChildren(vnode) || [];
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var res = new Array(vnodes.length);
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for (var i = 0; i < vnodes.length; i++) {
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res[i] = cloneAndMarkFunctionalResult(vnodes[i], data, renderContext.parent, options);
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}
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return res
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}
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}
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function cloneAndMarkFunctionalResult (vnode, data, contextVm, options) {
// #7817 clone node before setting fnContext, otherwise if the node is reused
// (e.g. it was from a cached normal slot) the fnContext causes named slots
// that should not be matched to match.
var clone = cloneVNode(vnode);
clone.fnContext = contextVm;
clone.fnOptions = options;
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if (data.slot) {
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(clone.data || (clone.data = {})).slot = data.slot;
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}
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return clone
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}
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function mergeProps (to, from) {
for (var key in from) {
to[camelize(key)] = from[key];
}
}
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/* */
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// Register the component hook to weex native render engine.
// The hook will be triggered by native, not javascript.
// Updates the state of the component to weex native render engine.
/* */
// https://github.com/Hanks10100/weex-native-directive/tree/master/component
// listening on native callback
/* */
/* */
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// inline hooks to be invoked on component VNodes during patch
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var componentVNodeHooks = {
init: function init (
vnode,
hydrating,
parentElm,
refElm
) {
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if (
vnode.componentInstance &&
!vnode.componentInstance._isDestroyed &&
vnode.data.keepAlive
) {
// kept-alive components, treat as a patch
var mountedNode = vnode; // work around flow
componentVNodeHooks.prepatch(mountedNode, mountedNode);
} else {
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var child = vnode.componentInstance = createComponentInstanceForVnode(
vnode,
activeInstance,
parentElm,
refElm
);
child.$mount(hydrating ? vnode.elm : undefined, hydrating);
}
},
prepatch: function prepatch (oldVnode, vnode) {
var options = vnode.componentOptions;
var child = vnode.componentInstance = oldVnode.componentInstance;
updateChildComponent(
child,
options.propsData, // updated props
options.listeners, // updated listeners
vnode, // new parent vnode
options.children // new children
);
},
insert: function insert (vnode) {
var context = vnode.context;
var componentInstance = vnode.componentInstance;
if (!componentInstance._isMounted) {
componentInstance._isMounted = true;
callHook(componentInstance, 'mounted');
}
if (vnode.data.keepAlive) {
if (context._isMounted) {
// vue-router#1212
// During updates, a kept-alive component's child components may
// change, so directly walking the tree here may call activated hooks
// on incorrect children. Instead we push them into a queue which will
// be processed after the whole patch process ended.
queueActivatedComponent(componentInstance);
} else {
activateChildComponent(componentInstance, true /* direct */);
}
}
},
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destroy: function destroy (vnode) {
var componentInstance = vnode.componentInstance;
if (!componentInstance._isDestroyed) {
if (!vnode.data.keepAlive) {
componentInstance.$destroy();
} else {
deactivateChildComponent(componentInstance, true /* direct */);
}
}
}
};
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var hooksToMerge = Object.keys(componentVNodeHooks);
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function createComponent (
Ctor,
data,
context,
children,
tag
) {
if (isUndef(Ctor)) {
return
}
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var baseCtor = context.$options._base;
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// plain options object: turn it into a constructor
if (isObject(Ctor)) {
Ctor = baseCtor.extend(Ctor);
}
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// if at this stage it's not a constructor or an async component factory,
// reject.
if (typeof Ctor !== 'function') {
if (process.env.NODE_ENV !== 'production') {
warn(("Invalid Component definition: " + (String(Ctor))), context);
}
return
}
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// async component
var asyncFactory;
if (isUndef(Ctor.cid)) {
asyncFactory = Ctor;
Ctor = resolveAsyncComponent(asyncFactory, baseCtor, context);
if (Ctor === undefined) {
// return a placeholder node for async component, which is rendered
// as a comment node but preserves all the raw information for the node.
// the information will be used for async server-rendering and hydration.
return createAsyncPlaceholder(
asyncFactory,
data,
context,
children,
tag
)
}
}
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data = data || {};
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// resolve constructor options in case global mixins are applied after
// component constructor creation
resolveConstructorOptions(Ctor);
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// transform component v-model data into props & events
if (isDef(data.model)) {
transformModel(Ctor.options, data);
}
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// extract props
var propsData = extractPropsFromVNodeData(data, Ctor, tag);
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// functional component
if (isTrue(Ctor.options.functional)) {
return createFunctionalComponent(Ctor, propsData, data, context, children)
}
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// extract listeners, since these needs to be treated as
// child component listeners instead of DOM listeners
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var listeners = data.on;
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// replace with listeners with .native modifier
// so it gets processed during parent component patch.
data.on = data.nativeOn;
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if (isTrue(Ctor.options.abstract)) {
// abstract components do not keep anything
// other than props & listeners & slot
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// work around flow
var slot = data.slot;
data = {};
if (slot) {
data.slot = slot;
}
}
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// install component management hooks onto the placeholder node
installComponentHooks(data);
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// return a placeholder vnode
var name = Ctor.options.name || tag;
var vnode = new VNode(
("vue-component-" + (Ctor.cid) + (name ? ("-" + name) : '')),
data, undefined, undefined, undefined, context,
{ Ctor: Ctor, propsData: propsData, listeners: listeners, tag: tag, children: children },
asyncFactory
);
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// Weex specific: invoke recycle-list optimized @render function for
// extracting cell-slot template.
// https://github.com/Hanks10100/weex-native-directive/tree/master/component
/* istanbul ignore if */
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return vnode
}
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function createComponentInstanceForVnode (
vnode, // we know it's MountedComponentVNode but flow doesn't
parent, // activeInstance in lifecycle state
parentElm,
refElm
) {
var options = {
_isComponent: true,
parent: parent,
_parentVnode: vnode,
_parentElm: parentElm || null,
_refElm: refElm || null
};
// check inline-template render functions
var inlineTemplate = vnode.data.inlineTemplate;
if (isDef(inlineTemplate)) {
options.render = inlineTemplate.render;
options.staticRenderFns = inlineTemplate.staticRenderFns;
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}
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return new vnode.componentOptions.Ctor(options)
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}
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function installComponentHooks (data) {
var hooks = data.hook || (data.hook = {});
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for (var i = 0; i < hooksToMerge.length; i++) {
var key = hooksToMerge[i];
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hooks[key] = componentVNodeHooks[key];
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}
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}
// transform component v-model info (value and callback) into
// prop and event handler respectively.
function transformModel (options, data) {
var prop = (options.model && options.model.prop) || 'value';
var event = (options.model && options.model.event) || 'input';(data.props || (data.props = {}))[prop] = data.model.value;
var on = data.on || (data.on = {});
if (isDef(on[event])) {
on[event] = [data.model.callback].concat(on[event]);
} else {
on[event] = data.model.callback;
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}
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}
/* */
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var warned = Object.create(null);
var warnOnce = function (msg) {
if (!warned[msg]) {
warned[msg] = true;
console.warn(("\n\u001b[31m" + msg + "\u001b[39m\n"));
}
};
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var onCompilationError = function (err, vm) {
var trace = vm ? generateComponentTrace(vm) : '';
throw new Error(("\n\u001b[31m" + err + trace + "\u001b[39m\n"))
};
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var normalizeRender = function (vm) {
var ref = vm.$options;
var render = ref.render;
var template = ref.template;
var _scopeId = ref._scopeId;
if (isUndef(render)) {
if (template) {
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var compiled = compileToFunctions(template, {
scopeId: _scopeId,
warn: onCompilationError
}, vm);
vm.$options.render = compiled.render;
vm.$options.staticRenderFns = compiled.staticRenderFns;
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} else {
throw new Error(
("render function or template not defined in component: " + (vm.$options.name || vm.$options._componentTag || 'anonymous'))
)
}
}
};
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function renderNode (node, isRoot, context) {
if (node.isString) {
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renderStringNode$1(node, context);
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} else if (isDef(node.componentOptions)) {
renderComponent(node, isRoot, context);
} else if (isDef(node.tag)) {
renderElement(node, isRoot, context);
} else if (isTrue(node.isComment)) {
if (isDef(node.asyncFactory)) {
// async component
renderAsyncComponent(node, isRoot, context);
} else {
context.write(("<!--" + (node.text) + "-->"), context.next);
}
} else {
context.write(
node.raw ? node.text : escape(String(node.text)),
context.next
);
}
}
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function registerComponentForCache (options, write) {
// exposed by vue-loader, need to call this if cache hit because
// component lifecycle hooks will not be called.
var register = options._ssrRegister;
if (write.caching && isDef(register)) {
write.componentBuffer[write.componentBuffer.length - 1].add(register);
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}
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return register
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}
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function renderComponent (node, isRoot, context) {
var write = context.write;
var next = context.next;
var userContext = context.userContext;
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// check cache hit
var Ctor = node.componentOptions.Ctor;
var getKey = Ctor.options.serverCacheKey;
var name = Ctor.options.name;
var cache = context.cache;
var registerComponent = registerComponentForCache(Ctor.options, write);
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if (isDef(getKey) && isDef(cache) && isDef(name)) {
var key = name + '::' + getKey(node.componentOptions.propsData);
var has = context.has;
var get = context.get;
if (isDef(has)) {
has(key, function (hit) {
if (hit === true && isDef(get)) {
get(key, function (res) {
if (isDef(registerComponent)) {
registerComponent(userContext);
}
res.components.forEach(function (register) { return register(userContext); });
write(res.html, next);
});
} else {
renderComponentWithCache(node, isRoot, key, context);
}
});
} else if (isDef(get)) {
get(key, function (res) {
if (isDef(res)) {
if (isDef(registerComponent)) {
registerComponent(userContext);
}
res.components.forEach(function (register) { return register(userContext); });
write(res.html, next);
} else {
renderComponentWithCache(node, isRoot, key, context);
}
});
}
} else {
if (isDef(getKey) && isUndef(cache)) {
warnOnce(
"[vue-server-renderer] Component " + (Ctor.options.name || '(anonymous)') + " implemented serverCacheKey, " +
'but no cache was provided to the renderer.'
);
}
if (isDef(getKey) && isUndef(name)) {
warnOnce(
"[vue-server-renderer] Components that implement \"serverCacheKey\" " +
"must also define a unique \"name\" option."
);
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}
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renderComponentInner(node, isRoot, context);
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}
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}
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function renderComponentWithCache (node, isRoot, key, context) {
var write = context.write;
write.caching = true;
var buffer = write.cacheBuffer;
var bufferIndex = buffer.push('') - 1;
var componentBuffer = write.componentBuffer;
componentBuffer.push(new Set());
context.renderStates.push({
type: 'ComponentWithCache',
key: key,
buffer: buffer,
bufferIndex: bufferIndex,
componentBuffer: componentBuffer
});
renderComponentInner(node, isRoot, context);
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}
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function renderComponentInner (node, isRoot, context) {
var prevActive = context.activeInstance;
// expose userContext on vnode
node.ssrContext = context.userContext;
var child = context.activeInstance = createComponentInstanceForVnode(
node,
context.activeInstance
);
normalizeRender(child);
var childNode = child._render();
childNode.parent = node;
context.renderStates.push({
type: 'Component',
prevActive: prevActive
});
renderNode(childNode, isRoot, context);
}
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function renderAsyncComponent (node, isRoot, context) {
var factory = node.asyncFactory;
var resolve = function (comp) {
if (comp.__esModule && comp.default) {
comp = comp.default;
}
var ref = node.asyncMeta;
var data = ref.data;
var children = ref.children;
var tag = ref.tag;
var nodeContext = node.asyncMeta.context;
var resolvedNode = createComponent(
comp,
data,
nodeContext,
children,
tag
);
if (resolvedNode) {
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if (resolvedNode.componentOptions) {
// normal component
renderComponent(resolvedNode, isRoot, context);
} else if (!Array.isArray(resolvedNode)) {
// single return node from functional component
renderNode(resolvedNode, isRoot, context);
} else {
// multiple return nodes from functional component
context.renderStates.push({
type: 'Fragment',
children: resolvedNode,
rendered: 0,
total: resolvedNode.length
});
context.next();
}
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} else {
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// invalid component, but this does not throw on the client
// so render empty comment node
context.write("<!---->", context.next);
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}
};
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if (factory.resolved) {
resolve(factory.resolved);
return
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}
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var reject = context.done;
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var res;
try {
res = factory(resolve, reject);
} catch (e) {
reject(e);
}
if (res) {
if (typeof res.then === 'function') {
res.then(resolve, reject).catch(reject);
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} else {
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// new syntax in 2.3
var comp = res.component;
if (comp && typeof comp.then === 'function') {
comp.then(resolve, reject).catch(reject);
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}
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}
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}
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}
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function renderStringNode$1 (el, context) {
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var write = context.write;
var next = context.next;
if (isUndef(el.children) || el.children.length === 0) {
write(el.open + (el.close || ''), next);
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} else {
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var children = el.children;
context.renderStates.push({
type: 'Element',
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children: children,
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rendered: 0,
total: children.length,
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endTag: el.close
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});
write(el.open, next);
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}
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}
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function renderElement (el, isRoot, context) {
var write = context.write;
var next = context.next;
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if (isTrue(isRoot)) {
if (!el.data) { el.data = {}; }
if (!el.data.attrs) { el.data.attrs = {}; }
el.data.attrs[SSR_ATTR] = 'true';
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}
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if (el.fnOptions) {
registerComponentForCache(el.fnOptions, write);
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}
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var startTag = renderStartingTag(el, context);
var endTag = "</" + (el.tag) + ">";
if (context.isUnaryTag(el.tag)) {
write(startTag, next);
} else if (isUndef(el.children) || el.children.length === 0) {
write(startTag + endTag, next);
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} else {
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var children = el.children;
context.renderStates.push({
type: 'Element',
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children: children,
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rendered: 0,
total: children.length,
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endTag: endTag
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});
write(startTag, next);
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}
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}
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function hasAncestorData (node) {
var parentNode = node.parent;
return isDef(parentNode) && (isDef(parentNode.data) || hasAncestorData(parentNode))
}
function getVShowDirectiveInfo (node) {
var dir;
var tmp;
while (isDef(node)) {
if (node.data && node.data.directives) {
tmp = node.data.directives.find(function (dir) { return dir.name === 'show'; });
if (tmp) {
dir = tmp;
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}
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}
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node = node.parent;
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}
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return dir
}
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function renderStartingTag (node, context) {
var markup = "<" + (node.tag);
var directives = context.directives;
var modules = context.modules;
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// construct synthetic data for module processing
// because modules like style also produce code by parent VNode data
if (isUndef(node.data) && hasAncestorData(node)) {
node.data = {};
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}
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if (isDef(node.data)) {
// check directives
var dirs = node.data.directives;
if (dirs) {
for (var i = 0; i < dirs.length; i++) {
var name = dirs[i].name;
var dirRenderer = directives[name];
if (dirRenderer && name !== 'show') {
// directives mutate the node's data
// which then gets rendered by modules
dirRenderer(node, dirs[i]);
}
}
}
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// v-show directive needs to be merged from parent to child
var vshowDirectiveInfo = getVShowDirectiveInfo(node);
if (vshowDirectiveInfo) {
directives.show(node, vshowDirectiveInfo);
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}
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// apply other modules
for (var i$1 = 0; i$1 < modules.length; i$1++) {
var res = modules[i$1](node);
if (res) {
markup += res;
}
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}
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}
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// attach scoped CSS ID
var scopeId;
var activeInstance = context.activeInstance;
if (isDef(activeInstance) &&
activeInstance !== node.context &&
isDef(scopeId = activeInstance.$options._scopeId)
) {
markup += " " + ((scopeId));
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}
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if (isDef(node.fnScopeId)) {
markup += " " + (node.fnScopeId);
} else {
while (isDef(node)) {
if (isDef(scopeId = node.context.$options._scopeId)) {
markup += " " + scopeId;
}
node = node.parent;
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}
}
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return markup + '>'
}
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function createRenderFunction (
modules,
directives,
isUnaryTag,
cache
) {
return function render (
component,
write,
userContext,
done
) {
warned = Object.create(null);
var context = new RenderContext({
activeInstance: component,
userContext: userContext,
write: write, done: done, renderNode: renderNode,
isUnaryTag: isUnaryTag, modules: modules, directives: directives,
cache: cache
});
installSSRHelpers(component);
normalizeRender(component);
renderNode(component._render(), true, context);
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}
}
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/* */
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var isJS = function (file) { return /\.js(\?[^.]+)?$/.test(file); };
var isCSS = function (file) { return /\.css(\?[^.]+)?$/.test(file); };
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function createPromiseCallback () {
var resolve, reject;
var promise = new Promise(function (_resolve, _reject) {
resolve = _resolve;
reject = _reject;
});
var cb = function (err, res) {
if (err) { return reject(err) }
resolve(res || '');
};
return { promise: promise, cb: cb }
}
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/* */
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var Transform = require('stream').Transform;
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var TemplateStream = (function (Transform) {
function TemplateStream (
renderer,
template,
context
) {
Transform.call(this);
this.started = false;
this.renderer = renderer;
this.template = template;
this.context = context || {};
this.inject = renderer.inject;
}
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if ( Transform ) TemplateStream.__proto__ = Transform;
TemplateStream.prototype = Object.create( Transform && Transform.prototype );
TemplateStream.prototype.constructor = TemplateStream;
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TemplateStream.prototype._transform = function _transform (data, encoding, done) {
if (!this.started) {
this.emit('beforeStart');
this.start();
}
this.push(data);
done();
};
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TemplateStream.prototype.start = function start () {
this.started = true;
this.push(this.template.head(this.context));
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if (this.inject) {
// inline server-rendered head meta information
if (this.context.head) {
this.push(this.context.head);
}
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// inline preload/prefetch directives for initial/async chunks
var links = this.renderer.renderResourceHints(this.context);
if (links) {
this.push(links);
}
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// CSS files and inline server-rendered CSS collected by vue-style-loader
var styles = this.renderer.renderStyles(this.context);
if (styles) {
this.push(styles);
}
}
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this.push(this.template.neck(this.context));
};
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TemplateStream.prototype._flush = function _flush (done) {
this.emit('beforeEnd');
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if (this.inject) {
// inline initial store state
var state = this.renderer.renderState(this.context);
if (state) {
this.push(state);
}
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// embed scripts needed
var scripts = this.renderer.renderScripts(this.context);
if (scripts) {
this.push(scripts);
}
}
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this.push(this.template.tail(this.context));
done();
};
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return TemplateStream;
}(Transform));
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/* */
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var compile$1 = require('lodash.template');
var compileOptions = {
escape: /{{([^{][\s\S]+?[^}])}}/g,
interpolate: /{{{([\s\S]+?)}}}/g
};
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function parseTemplate (
template,
contentPlaceholder
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) {
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if ( contentPlaceholder === void 0 ) contentPlaceholder = '<!--vue-ssr-outlet-->';
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if (typeof template === 'object') {
return template
}
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var i = template.indexOf('</head>');
var j = template.indexOf(contentPlaceholder);
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if (j < 0) {
throw new Error("Content placeholder not found in template.")
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}
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if (i < 0) {
i = template.indexOf('<body>');
if (i < 0) {
i = j;
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}
}
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return {
head: compile$1(template.slice(0, i), compileOptions),
neck: compile$1(template.slice(i, j), compileOptions),
tail: compile$1(template.slice(j + contentPlaceholder.length), compileOptions)
}
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}
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/* */
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/**
* Creates a mapper that maps components used during a server-side render
* to async chunk files in the client-side build, so that we can inline them
* directly in the rendered HTML to avoid waterfall requests.
*/
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function createMapper (
clientManifest
) {
var map = createMap(clientManifest);
// map server-side moduleIds to client-side files
return function mapper (moduleIds) {
var res = new Set();
for (var i = 0; i < moduleIds.length; i++) {
var mapped = map.get(moduleIds[i]);
if (mapped) {
for (var j = 0; j < mapped.length; j++) {
res.add(mapped[j]);
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}
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}
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}
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return Array.from(res)
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}
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}
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function createMap (clientManifest) {
var map = new Map();
Object.keys(clientManifest.modules).forEach(function (id) {
map.set(id, mapIdToFile(id, clientManifest));
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});
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return map
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}
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function mapIdToFile (id, clientManifest) {
var files = [];
var fileIndices = clientManifest.modules[id];
if (fileIndices) {
fileIndices.forEach(function (index) {
var file = clientManifest.all[index];
// only include async files or non-js assets
if (clientManifest.async.indexOf(file) > -1 || !(/\.js($|\?)/.test(file))) {
files.push(file);
}
});
}
return files
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}
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/* */
var path = require('path');
var serialize = require('serialize-javascript');
var TemplateRenderer = function TemplateRenderer (options) {
this.options = options;
this.inject = options.inject !== false;
// if no template option is provided, the renderer is created
// as a utility object for rendering assets like preload links and scripts.
this.parsedTemplate = options.template
? parseTemplate(options.template)
: null;
// extra functionality with client manifest
if (options.clientManifest) {
var clientManifest = this.clientManifest = options.clientManifest;
this.publicPath = clientManifest.publicPath.replace(/\/$/, '');
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// preload/prefetch directives
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this.preloadFiles = (clientManifest.initial || []).map(normalizeFile);
this.prefetchFiles = (clientManifest.async || []).map(normalizeFile);
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// initial async chunk mapping
this.mapFiles = createMapper(clientManifest);
}
};
TemplateRenderer.prototype.bindRenderFns = function bindRenderFns (context) {
var renderer = this;['ResourceHints', 'State', 'Scripts', 'Styles'].forEach(function (type) {
context[("render" + type)] = renderer[("render" + type)].bind(renderer, context);
});
// also expose getPreloadFiles, useful for HTTP/2 push
context.getPreloadFiles = renderer.getPreloadFiles.bind(renderer, context);
};
// render synchronously given rendered app content and render context
TemplateRenderer.prototype.renderSync = function renderSync (content, context) {
var template = this.parsedTemplate;
if (!template) {
throw new Error('renderSync cannot be called without a template.')
}
context = context || {};
if (this.inject) {
return (
template.head(context) +
(context.head || '') +
this.renderResourceHints(context) +
this.renderStyles(context) +
template.neck(context) +
content +
this.renderState(context) +
this.renderScripts(context) +
template.tail(context)
)
} else {
return (
template.head(context) +
template.neck(context) +
content +
template.tail(context)
)
}
};
TemplateRenderer.prototype.renderStyles = function renderStyles (context) {
var this$1 = this;
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var cssFiles = this.clientManifest
? this.clientManifest.all.filter(isCSS)
: [];
return (
// render links for css files
(cssFiles.length
? cssFiles.map(function (file) { return ("<link rel=\"stylesheet\" href=\"" + (this$1.publicPath) + "/" + file + "\">"); }).join('')
: '') +
// context.styles is a getter exposed by vue-style-loader which contains
// the inline component styles collected during SSR
(context.styles || '')
)
};
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TemplateRenderer.prototype.renderResourceHints = function renderResourceHints (context) {
return this.renderPreloadLinks(context) + this.renderPrefetchLinks(context)
};
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TemplateRenderer.prototype.getPreloadFiles = function getPreloadFiles (context) {
var usedAsyncFiles = this.getUsedAsyncFiles(context);
if (this.preloadFiles || usedAsyncFiles) {
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return (this.preloadFiles || []).concat(usedAsyncFiles || [])
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} else {
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return []
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}
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};
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TemplateRenderer.prototype.renderPreloadLinks = function renderPreloadLinks (context) {
var this$1 = this;
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var files = this.getPreloadFiles(context);
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var shouldPreload = this.options.shouldPreload;
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if (files.length) {
return files.map(function (ref) {
var file = ref.file;
var extension = ref.extension;
var fileWithoutQuery = ref.fileWithoutQuery;
var asType = ref.asType;
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var extra = '';
// by default, we only preload scripts or css
if (!shouldPreload && asType !== 'script' && asType !== 'style') {
return ''
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}
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// user wants to explicitly control what to preload
if (shouldPreload && !shouldPreload(fileWithoutQuery, asType)) {
return ''
}
if (asType === 'font') {
extra = " type=\"font/" + extension + "\" crossorigin";
}
return ("<link rel=\"preload\" href=\"" + (this$1.publicPath) + "/" + file + "\"" + (asType !== '' ? (" as=\"" + asType + "\"") : '') + extra + ">")
}).join('')
} else {
return ''
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}
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};
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TemplateRenderer.prototype.renderPrefetchLinks = function renderPrefetchLinks (context) {
var this$1 = this;
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var shouldPrefetch = this.options.shouldPrefetch;
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if (this.prefetchFiles) {
var usedAsyncFiles = this.getUsedAsyncFiles(context);
var alreadyRendered = function (file) {
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return usedAsyncFiles && usedAsyncFiles.some(function (f) { return f.file === file; })
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};
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return this.prefetchFiles.map(function (ref) {
var file = ref.file;
var fileWithoutQuery = ref.fileWithoutQuery;
var asType = ref.asType;
if (shouldPrefetch && !shouldPrefetch(fileWithoutQuery, asType)) {
return ''
}
if (alreadyRendered(file)) {
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return ''
}
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return ("<link rel=\"prefetch\" href=\"" + (this$1.publicPath) + "/" + file + "\">")
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}).join('')
} else {
return ''
}
};
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TemplateRenderer.prototype.renderState = function renderState (context, options) {
var ref = options || {};
var contextKey = ref.contextKey; if ( contextKey === void 0 ) contextKey = 'state';
var windowKey = ref.windowKey; if ( windowKey === void 0 ) windowKey = '__INITIAL_STATE__';
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var state = serialize(context[contextKey], { isJSON: true });
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var autoRemove = process.env.NODE_ENV === 'production'
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? ';(function(){var s;(s=document.currentScript||document.scripts[document.scripts.length-1]).parentNode.removeChild(s);}());'
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: '';
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return context[contextKey]
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? ("<script>window." + windowKey + "=" + state + autoRemove + "</script>")
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: ''
};
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TemplateRenderer.prototype.renderScripts = function renderScripts (context) {
var this$1 = this;
if (this.clientManifest) {
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var initial = this.preloadFiles;
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var async = this.getUsedAsyncFiles(context);
var needed = [initial[0]].concat(async || [], initial.slice(1));
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return needed.filter(function (ref) {
var file = ref.file;
return isJS(file);
}).map(function (ref) {
var file = ref.file;
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return ("<script src=\"" + (this$1.publicPath) + "/" + file + "\" defer></script>")
}).join('')
} else {
return ''
}
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};
TemplateRenderer.prototype.getUsedAsyncFiles = function getUsedAsyncFiles (context) {
if (!context._mappedFiles && context._registeredComponents && this.mapFiles) {
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var registered = Array.from(context._registeredComponents);
context._mappedFiles = this.mapFiles(registered).map(normalizeFile);
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}
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return context._mappedFiles
};
// create a transform stream
TemplateRenderer.prototype.createStream = function createStream (context) {
if (!this.parsedTemplate) {
throw new Error('createStream cannot be called without a template.')
}
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return new TemplateStream(this, this.parsedTemplate, context || {})
};
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function normalizeFile (file) {
var withoutQuery = file.replace(/\?.*/, '');
var extension = path.extname(withoutQuery).slice(1);
return {
file: file,
extension: extension,
fileWithoutQuery: withoutQuery,
asType: getPreloadType(extension)
}
}
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function getPreloadType (ext) {
if (ext === 'js') {
return 'script'
} else if (ext === 'css') {
return 'style'
} else if (/jpe?g|png|svg|gif|webp|ico/.test(ext)) {
return 'image'
} else if (/woff2?|ttf|otf|eot/.test(ext)) {
return 'font'
} else {
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// not exhausting all possibilities here, but above covers common cases
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return ''
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}
}
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/* */
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function createRenderer (ref) {
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if ( ref === void 0 ) ref = {};
var modules = ref.modules; if ( modules === void 0 ) modules = [];
var directives = ref.directives; if ( directives === void 0 ) directives = {};
var isUnaryTag = ref.isUnaryTag; if ( isUnaryTag === void 0 ) isUnaryTag = (function () { return false; });
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var template = ref.template;
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var inject = ref.inject;
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var cache = ref.cache;
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var shouldPreload = ref.shouldPreload;
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var shouldPrefetch = ref.shouldPrefetch;
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var clientManifest = ref.clientManifest;
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var render = createRenderFunction(modules, directives, isUnaryTag, cache);
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var templateRenderer = new TemplateRenderer({
template: template,
inject: inject,
shouldPreload: shouldPreload,
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shouldPrefetch: shouldPrefetch,
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clientManifest: clientManifest
});
return {
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renderToString: function renderToString (
component,
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context,
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cb
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) {
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var assign;
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if (typeof context === 'function') {
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cb = context;
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context = {};
}
if (context) {
templateRenderer.bindRenderFns(context);
}
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// no callback, return Promise
var promise;
if (!cb) {
((assign = createPromiseCallback(), promise = assign.promise, cb = assign.cb));
}
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var result = '';
var write = createWriteFunction(function (text) {
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result += text;
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return false
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}, cb);
try {
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render(component, write, context, function (err) {
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if (template) {
result = templateRenderer.renderSync(result, context);
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}
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if (err) {
cb(err);
} else {
cb(null, result);
}
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});
} catch (e) {
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cb(e);
}
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return promise
},
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renderToStream: function renderToStream (
component,
context
) {
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if (context) {
templateRenderer.bindRenderFns(context);
}
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var renderStream = new RenderStream(function (write, done) {
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render(component, write, context, done);
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});
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if (!template) {
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return renderStream
} else {
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var templateStream = templateRenderer.createStream(context);
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renderStream.on('error', function (err) {
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templateStream.emit('error', err);
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});
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renderStream.pipe(templateStream);
return templateStream
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}
}
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}
}
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var vm = require('vm');
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var path$1 = require('path');
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var resolve = require('resolve');
var NativeModule = require('module');
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function createSandbox (context) {
var sandbox = {
Buffer: Buffer,
console: console,
process: process,
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setTimeout: setTimeout,
setInterval: setInterval,
setImmediate: setImmediate,
clearTimeout: clearTimeout,
clearInterval: clearInterval,
clearImmediate: clearImmediate,
__VUE_SSR_CONTEXT__: context
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};
sandbox.global = sandbox;
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return sandbox
}
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function compileModule (files, basedir, runInNewContext) {
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var compiledScripts = {};
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var resolvedModules = {};
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function getCompiledScript (filename) {
if (compiledScripts[filename]) {
return compiledScripts[filename]
}
var code = files[filename];
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var wrapper = NativeModule.wrap(code);
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var script = new vm.Script(wrapper, {
filename: filename,
displayErrors: true
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});
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compiledScripts[filename] = script;
return script
}
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function evaluateModule (filename, sandbox, evaluatedFiles) {
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if ( evaluatedFiles === void 0 ) evaluatedFiles = {};
if (evaluatedFiles[filename]) {
return evaluatedFiles[filename]
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}
var script = getCompiledScript(filename);
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var compiledWrapper = runInNewContext === false
? script.runInThisContext()
: script.runInNewContext(sandbox);
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var m = { exports: {}};
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var r = function (file) {
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file = path$1.posix.join('.', file);
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if (files[file]) {
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return evaluateModule(file, sandbox, evaluatedFiles)
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} else if (basedir) {
return require(
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resolvedModules[file] ||
(resolvedModules[file] = resolve.sync(file, { basedir: basedir }))
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)
} else {
return require(file)
}
};
compiledWrapper.call(m.exports, m.exports, r, m);
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var res = Object.prototype.hasOwnProperty.call(m.exports, 'default')
? m.exports.default
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: m.exports;
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evaluatedFiles[filename] = res;
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return res
}
return evaluateModule
}
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function deepClone (val) {
if (isPlainObject(val)) {
var res = {};
for (var key in val) {
res[key] = deepClone(val[key]);
}
return res
} else if (Array.isArray(val)) {
return val.slice()
} else {
return val
}
}
function createBundleRunner (entry, files, basedir, runInNewContext) {
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var evaluate = compileModule(files, basedir, runInNewContext);
if (runInNewContext !== false && runInNewContext !== 'once') {
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// new context mode: creates a fresh context and re-evaluate the bundle
// on each render. Ensures entire application state is fresh for each
// render, but incurs extra evaluation cost.
return function (userContext) {
if ( userContext === void 0 ) userContext = {};
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return new Promise(function (resolve) {
userContext._registeredComponents = new Set();
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var res = evaluate(entry, createSandbox(userContext));
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resolve(typeof res === 'function' ? res(userContext) : res);
});
}
} else {
// direct mode: instead of re-evaluating the whole bundle on
// each render, it simply calls the exported function. This avoids the
// module evaluation costs but requires the source code to be structured
// slightly differently.
var runner; // lazy creation so that errors can be caught by user
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var initialContext;
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return function (userContext) {
if ( userContext === void 0 ) userContext = {};
return new Promise(function (resolve) {
if (!runner) {
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var sandbox = runInNewContext === 'once'
? createSandbox()
: global;
// the initial context is only used for collecting possible non-component
// styles injected by vue-style-loader.
initialContext = sandbox.__VUE_SSR_CONTEXT__ = {};
runner = evaluate(entry, sandbox);
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// On subsequent renders, __VUE_SSR_CONTEXT__ will not be available
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// to prevent cross-request pollution.
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delete sandbox.__VUE_SSR_CONTEXT__;
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if (typeof runner !== 'function') {
throw new Error(
'bundle export should be a function when using ' +
'{ runInNewContext: false }.'
)
}
}
userContext._registeredComponents = new Set();
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// vue-style-loader styles imported outside of component lifecycle hooks
if (initialContext._styles) {
userContext._styles = deepClone(initialContext._styles);
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// #6353 ensure "styles" is exposed even if no styles are injected
// in component lifecycles.
// the renderStyles fn is exposed by vue-style-loader >= 3.0.3
var renderStyles = initialContext._renderStyles;
if (renderStyles) {
Object.defineProperty(userContext, 'styles', {
enumerable: true,
get: function get () {
return renderStyles(userContext._styles)
}
});
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}
}
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resolve(runner(userContext));
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});
}
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}
}
/* */
var SourceMapConsumer = require('source-map').SourceMapConsumer;
var filenameRE = /\(([^)]+\.js):(\d+):(\d+)\)$/;
function createSourceMapConsumers (rawMaps) {
var maps = {};
Object.keys(rawMaps).forEach(function (file) {
maps[file] = new SourceMapConsumer(rawMaps[file]);
});
return maps
}
function rewriteErrorTrace (e, mapConsumers) {
if (e && typeof e.stack === 'string') {
e.stack = e.stack.split('\n').map(function (line) {
return rewriteTraceLine(line, mapConsumers)
}).join('\n');
}
}
function rewriteTraceLine (trace, mapConsumers) {
var m = trace.match(filenameRE);
var map = m && mapConsumers[m[1]];
if (m != null && map) {
var originalPosition = map.originalPositionFor({
line: Number(m[2]),
column: Number(m[3])
});
if (originalPosition.source != null) {
var source = originalPosition.source;
var line = originalPosition.line;
var column = originalPosition.column;
var mappedPosition = "(" + (source.replace(/^webpack:\/\/\//, '')) + ":" + (String(line)) + ":" + (String(column)) + ")";
return trace.replace(filenameRE, mappedPosition)
} else {
return trace
}
} else {
return trace
}
}
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/* */
var fs = require('fs');
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var path$2 = require('path');
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var PassThrough = require('stream').PassThrough;
var INVALID_MSG =
'Invalid server-rendering bundle format. Should be a string ' +
'or a bundle Object of type:\n\n' +
"{\n entry: string;\n files: { [filename: string]: string; };\n maps: { [filename: string]: string; };\n}\n";
// The render bundle can either be a string (single bundled file)
// or a bundle manifest object generated by vue-ssr-webpack-plugin.
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function createBundleRendererCreator (
createRenderer
) {
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return function createBundleRenderer (
bundle,
rendererOptions
) {
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if ( rendererOptions === void 0 ) rendererOptions = {};
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var files, entry, maps;
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var basedir = rendererOptions.basedir;
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// load bundle if given filepath
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if (
typeof bundle === 'string' &&
/\.js(on)?$/.test(bundle) &&
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path$2.isAbsolute(bundle)
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) {
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if (fs.existsSync(bundle)) {
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var isJSON = /\.json$/.test(bundle);
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basedir = basedir || path$2.dirname(bundle);
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bundle = fs.readFileSync(bundle, 'utf-8');
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if (isJSON) {
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try {
bundle = JSON.parse(bundle);
} catch (e) {
throw new Error(("Invalid JSON bundle file: " + bundle))
}
}
} else {
throw new Error(("Cannot locate bundle file: " + bundle))
}
}
if (typeof bundle === 'object') {
entry = bundle.entry;
files = bundle.files;
basedir = basedir || bundle.basedir;
maps = createSourceMapConsumers(bundle.maps);
if (typeof entry !== 'string' || typeof files !== 'object') {
throw new Error(INVALID_MSG)
}
} else if (typeof bundle === 'string') {
entry = '__vue_ssr_bundle__';
files = { '__vue_ssr_bundle__': bundle };
maps = {};
} else {
throw new Error(INVALID_MSG)
}
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var renderer = createRenderer(rendererOptions);
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var run = createBundleRunner(
entry,
files,
basedir,
rendererOptions.runInNewContext
);
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return {
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renderToString: function (context, cb) {
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var assign;
if (typeof context === 'function') {
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cb = context;
context = {};
}
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var promise;
if (!cb) {
((assign = createPromiseCallback(), promise = assign.promise, cb = assign.cb));
}
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run(context).catch(function (err) {
rewriteErrorTrace(err, maps);
cb(err);
}).then(function (app) {
if (app) {
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renderer.renderToString(app, context, function (err, res) {
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rewriteErrorTrace(err, maps);
cb(err, res);
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});
2017-02-24 12:22:20 +08:00
}
});
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return promise
},
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renderToStream: function (context) {
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var res = new PassThrough();
run(context).catch(function (err) {
rewriteErrorTrace(err, maps);
// avoid emitting synchronously before user can
// attach error listener
process.nextTick(function () {
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res.emit('error', err);
});
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}).then(function (app) {
if (app) {
var renderStream = renderer.renderToStream(app, context);
renderStream.on('error', function (err) {
rewriteErrorTrace(err, maps);
res.emit('error', err);
});
// relay HTMLStream special events
if (rendererOptions && rendererOptions.template) {
renderStream.on('beforeStart', function () {
res.emit('beforeStart');
});
renderStream.on('beforeEnd', function () {
res.emit('beforeEnd');
});
}
renderStream.pipe(res);
}
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});
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return res
}
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}
}
}
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/* */
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process.env.VUE_ENV = 'server';
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function createRenderer$1 (options) {
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if ( options === void 0 ) options = {};
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return createRenderer(extend(extend({}, options), {
isUnaryTag: isUnaryTag,
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canBeLeftOpenTag: canBeLeftOpenTag,
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modules: modules,
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// user can provide server-side implementations for custom directives
// when creating the renderer.
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directives: extend(baseDirectives, options.directives)
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}))
}
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var createBundleRenderer = createBundleRendererCreator(createRenderer$1);
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exports.createRenderer = createRenderer$1;
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exports.createBundleRenderer = createBundleRenderer;