vue/packages/vue-server-renderer/build.js
2017-03-27 10:46:09 +08:00

7344 lines
186 KiB
JavaScript

'use strict';
Object.defineProperty(exports, '__esModule', { value: true });
var he = require('he');
/* */
var MAX_STACK_DEPTH = 1000;
function createWriteFunction (
write,
onError
) {
var stackDepth = 0;
var cachedWrite = function (text, next) {
if (text && cachedWrite.caching) {
cachedWrite.cacheBuffer[cachedWrite.cacheBuffer.length - 1] += text;
}
var waitForNext = write(text, next);
if (!waitForNext) {
if (stackDepth >= MAX_STACK_DEPTH) {
process.nextTick(function () {
try { next(); } catch (e) {
onError(e);
}
});
} else {
stackDepth++;
next();
stackDepth--;
}
}
};
cachedWrite.caching = false;
cachedWrite.cacheBuffer = [];
return cachedWrite
}
/* */
/**
* 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)
*/
var stream = require('stream');
var RenderStream = (function (superclass) {
function RenderStream (render) {
var this$1 = this;
superclass.call(this);
this.buffer = '';
this.render = render;
this.expectedSize = 0;
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
}
}, 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);
};
}
if ( superclass ) RenderStream.__proto__ = superclass;
RenderStream.prototype = Object.create( superclass && superclass.prototype );
RenderStream.prototype.constructor = RenderStream;
RenderStream.prototype.pushBySize = function pushBySize (n) {
var bufferToPush = this.buffer.substring(0, n);
this.buffer = this.buffer.substring(n);
this.push(bufferToPush);
};
RenderStream.prototype.tryRender = function tryRender () {
try {
this.render(this.write, this.end);
} catch (e) {
this.emit('error', e);
}
};
RenderStream.prototype.tryNext = function tryNext () {
try {
this.next();
} catch (e) {
this.emit('error', e);
}
};
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 (this.done) {
this.push(null);
return
}
if (this.buffer.length >= n) {
this.pushBySize(n);
return
}
if (!this.next) {
// start the rendering chain.
this.tryRender();
} else {
// continue with the rendering.
this.tryNext();
}
};
return RenderStream;
}(stream.Readable));
/* */
var RenderContext = function RenderContext (options) {
this.activeInstance = options.activeInstance;
this.renderStates = [];
this.write = options.write;
this.done = options.done;
this.renderNode = options.renderNode;
this.isUnaryTag = options.isUnaryTag;
this.modules = options.modules;
this.directives = options.directives;
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');
this.next = this.next.bind(this);
};
RenderContext.prototype.next = function next () {
var lastState = this.renderStates[this.renderStates.length - 1];
if (!lastState) {
return this.done()
}
switch (lastState.type) {
case 'Element':
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();
this.write(lastState.endTag, this.next);
}
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 key = lastState.key;
var result = buffer[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;
}
buffer.length = bufferIndex;
this.next();
break
}
};
function normalizeAsync (cache, method) {
var fn = cache[method];
if (!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)); }
}
}
/* */
/**
* Convert a value to a string that is actually rendered.
*/
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.
*/
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.
*/
function makeMap (
str,
expectsLowerCase
) {
var map = Object.create(null);
var list = str.split(',');
for (var i = 0; i < list.length; i++) {
map[list[i]] = true;
}
return expectsLowerCase
? function (val) { return map[val.toLowerCase()]; }
: function (val) { return map[val]; }
}
/**
* Check if a tag is a built-in tag.
*/
var isBuiltInTag = makeMap('slot,component', true);
/**
* Remove an item from an array
*/
function remove (arr, item) {
if (arr.length) {
var index = arr.indexOf(item);
if (index > -1) {
return arr.splice(index, 1)
}
}
}
/**
* Check whether the object has the property.
*/
var hasOwnProperty = Object.prototype.hasOwnProperty;
function hasOwn (obj, key) {
return hasOwnProperty.call(obj, key)
}
/**
* Check if value is primitive
*/
function isPrimitive (value) {
return typeof value === 'string' || typeof value === 'number'
}
/**
* Create a cached version of a pure function.
*/
function cached (fn) {
var cache = Object.create(null);
return (function cachedFn (str) {
var hit = cache[str];
return hit || (cache[str] = fn(str))
})
}
/**
* Camelize a hyphen-delimited string.
*/
var camelizeRE = /-(\w)/g;
var camelize = cached(function (str) {
return str.replace(camelizeRE, function (_, c) { return c ? c.toUpperCase() : ''; })
});
/**
* Capitalize a string.
*/
var capitalize = cached(function (str) {
return str.charAt(0).toUpperCase() + str.slice(1)
});
/**
* Hyphenate a camelCase string.
*/
var hyphenateRE = /([^-])([A-Z])/g;
var hyphenate = cached(function (str) {
return str
.replace(hyphenateRE, '$1-$2')
.replace(hyphenateRE, '$1-$2')
.toLowerCase()
});
/**
* Simple bind, faster than native
*/
function bind (fn, ctx) {
function boundFn (a) {
var l = arguments.length;
return l
? l > 1
? fn.apply(ctx, arguments)
: fn.call(ctx, a)
: fn.call(ctx)
}
// record original fn length
boundFn._length = fn.length;
return boundFn
}
/**
* Convert an Array-like object to a real Array.
*/
function toArray (list, start) {
start = start || 0;
var i = list.length - start;
var ret = new Array(i);
while (i--) {
ret[i] = list[i + start];
}
return ret
}
/**
* Mix properties into target object.
*/
function extend (to, _from) {
for (var key in _from) {
to[key] = _from[key];
}
return to
}
/**
* 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'
}
/**
* Strict object type check. Only returns true
* for plain JavaScript objects.
*/
var toString = Object.prototype.toString;
var OBJECT_STRING = '[object Object]';
function isPlainObject (obj) {
return toString.call(obj) === OBJECT_STRING
}
/**
* Merge an Array of Objects into a single Object.
*/
function toObject (arr) {
var res = {};
for (var i = 0; i < arr.length; i++) {
if (arr[i]) {
extend(res, arr[i]);
}
}
return res
}
/**
* Perform no operation.
*/
function noop () {}
/**
* Always return false.
*/
var no = function () { return false; };
/**
* Return same value
*/
var identity = function (_) { return _; };
/**
* Generate a static keys string from compiler modules.
*/
function genStaticKeys (modules) {
return modules.reduce(function (keys, m) {
return keys.concat(m.staticKeys || [])
}, []).join(',')
}
/**
* Check if two values are loosely equal - that is,
* if they are plain objects, do they have the same shape?
*/
function looseEqual (a, b) {
var isObjectA = isObject(a);
var isObjectB = isObject(b);
if (isObjectA && isObjectB) {
try {
return JSON.stringify(a) === JSON.stringify(b)
} catch (e) {
// possible circular reference
return a === b
}
} else if (!isObjectA && !isObjectB) {
return String(a) === String(b)
} else {
return false
}
}
function looseIndexOf (arr, val) {
for (var i = 0; i < arr.length; i++) {
if (looseEqual(arr[i], val)) { return i }
}
return -1
}
/**
* Ensure a function is called only once.
*/
/* */
var isUnaryTag = makeMap(
'area,base,br,col,embed,frame,hr,img,input,isindex,keygen,' +
'link,meta,param,source,track,wbr'
);
// 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'
);
// 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'
);
/**
* Not type-checking this file because it's mostly vendor code.
*/
/*!
* 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
*/
// Regular Expressions for parsing tags and attributes
var singleAttrIdentifier = /([^\s"'<>/=]+)/;
var singleAttrAssign = /(?:=)/;
var singleAttrValues = [
// attr value double quotes
/"([^"]*)"+/.source,
// attr value, single quotes
/'([^']*)'+/.source,
// attr value, no quotes
/([^\s"'=<>`]+)/.source
];
var attribute = new RegExp(
'^\\s*' + singleAttrIdentifier.source +
'(?:\\s*(' + singleAttrAssign.source + ')' +
'\\s*(?:' + singleAttrValues.join('|') + '))?'
);
// 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;
var comment = /^<!--/;
var conditionalComment = /^<!\[/;
var IS_REGEX_CAPTURING_BROKEN = false;
'x'.replace(/x(.)?/g, function (m, g) {
IS_REGEX_CAPTURING_BROKEN = g === '';
});
// Special Elements (can contain anything)
var isPlainTextElement = makeMap('script,style,textarea', true);
var reCache = {};
var decodingMap = {
'&lt;': '<',
'&gt;': '>',
'&quot;': '"',
'&amp;': '&',
'&#10;': '\n'
};
var encodedAttr = /&(?:lt|gt|quot|amp);/g;
var encodedAttrWithNewLines = /&(?:lt|gt|quot|amp|#10);/g;
function decodeAttr (value, shouldDecodeNewlines) {
var re = shouldDecodeNewlines ? encodedAttrWithNewLines : encodedAttr;
return value.replace(re, function (match) { return decodingMap[match]; })
}
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('-->');
if (commentEnd >= 0) {
advance(commentEnd + 3);
continue
}
}
// 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);
continue
}
}
var text = (void 0), rest$1 = (void 0), next = (void 0);
if (textEnd >= 0) {
rest$1 = html.slice(textEnd);
while (
!endTag.test(rest$1) &&
!startTagOpen.test(rest$1) &&
!comment.test(rest$1) &&
!conditionalComment.test(rest$1)
) {
// < in plain text, be forgiving and treat it as text
next = rest$1.indexOf('<', 1);
if (next < 0) { break }
textEnd += next;
rest$1 = 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 stackedTag = lastTag.toLowerCase();
var reStackedTag = reCache[stackedTag] || (reCache[stackedTag] = new RegExp('([\\s\\S]*?)(</' + stackedTag + '[^>]*>)', 'i'));
var endTagLength = 0;
var rest = html.replace(reStackedTag, function (all, text, endTag) {
endTagLength = endTag.length;
if (!isPlainTextElement(stackedTag) && stackedTag !== 'noscript') {
text = text
.replace(/<!--([\s\S]*?)-->/g, '$1')
.replace(/<!\[CDATA\[([\s\S]*?)]]>/g, '$1');
}
if (options.chars) {
options.chars(text);
}
return ''
});
index += html.length - rest.length;
html = rest;
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) || tagName === 'html' && lastTag === 'head' || !!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] || '';
attrs[i] = {
name: args[1],
value: decodeAttr(
value,
options.shouldDecodeNewlines
)
};
}
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);
}
}
// 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);
}
}
}
}
/* */
var validDivisionCharRE = /[\w).+\-_$\]]/;
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;
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();
}
} 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 // }
}
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;
}
}
}
}
if (expression === undefined) {
expression = exp.slice(0, i).trim();
} else if (lastFilterIndex !== 0) {
pushFilter();
}
function pushFilter () {
(filters || (filters = [])).push(exp.slice(lastFilterIndex, i).trim());
lastFilterIndex = i + 1;
}
if (filters) {
for (i = 0; i < filters.length; i++) {
expression = wrapFilter(expression, filters[i]);
}
}
return expression
}
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);
return ("_f(\"" + name + "\")(" + exp + "," + args)
}
}
/* */
var defaultTagRE = /\{\{((?:.|\n)+?)\}\}/g;
var regexEscapeRE = /[-.*+?^${}()|[\]\/\\]/g;
var buildRegex = cached(function (delimiters) {
var open = delimiters[0].replace(regexEscapeRE, '\\$&');
var close = delimiters[1].replace(regexEscapeRE, '\\$&');
return new RegExp(open + '((?:.|\\n)+?)' + close, 'g')
});
function parseText (
text,
delimiters
) {
var tagRE = delimiters ? buildRegex(delimiters) : defaultTagRE;
if (!tagRE.test(text)) {
return
}
var tokens = [];
var lastIndex = tagRE.lastIndex = 0;
var match, index;
while ((match = tagRE.exec(text))) {
index = match.index;
// push text token
if (index > lastIndex) {
tokens.push(JSON.stringify(text.slice(lastIndex, index)));
}
// tag token
var exp = parseFilters(match[1].trim());
tokens.push(("_s(" + exp + ")"));
lastIndex = index + match[0].length;
}
if (lastIndex < text.length) {
tokens.push(JSON.stringify(text.slice(lastIndex)));
}
return tokens.join('+')
}
/* */
/* globals MutationObserver */
// can we use __proto__?
var hasProto = '__proto__' in {};
// Browser environment sniffing
var inBrowser = typeof window !== 'undefined';
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;
var isAndroid = UA && UA.indexOf('android') > 0;
var isIOS = UA && /iphone|ipad|ipod|ios/.test(UA);
var isChrome = UA && /chrome\/\d+/.test(UA) && !isEdge;
// 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 */
if (!inBrowser && typeof global !== 'undefined') {
// 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 /native code/.test(Ctor.toString())
}
var hasSymbol =
typeof Symbol !== 'undefined' && isNative(Symbol) &&
typeof Reflect !== 'undefined' && isNative(Reflect.ownKeys);
/**
* Defer a task to execute it asynchronously.
*/
var nextTick = (function () {
var callbacks = [];
var pending = false;
var timerFunc;
function nextTickHandler () {
pending = false;
var copies = callbacks.slice(0);
callbacks.length = 0;
for (var i = 0; i < copies.length; i++) {
copies[i]();
}
}
// the nextTick behavior leverages the microtask queue, which can be accessed
// via either native Promise.then or MutationObserver.
// MutationObserver has wider support, however it is seriously bugged in
// UIWebView in iOS >= 9.3.3 when triggered in touch event handlers. It
// completely stops working after triggering a few times... so, if native
// Promise is available, we will use it:
/* istanbul ignore if */
if (typeof Promise !== 'undefined' && isNative(Promise)) {
var p = Promise.resolve();
var logError = function (err) { console.error(err); };
timerFunc = function () {
p.then(nextTickHandler).catch(logError);
// in problematic UIWebViews, Promise.then doesn't completely break, but
// it can get stuck in a weird state where callbacks are pushed into the
// microtask queue but the queue isn't being flushed, until the browser
// needs to do some other work, e.g. handle a timer. Therefore we can
// "force" the microtask queue to be flushed by adding an empty timer.
if (isIOS) { setTimeout(noop); }
};
} else if (typeof MutationObserver !== 'undefined' && (
isNative(MutationObserver) ||
// PhantomJS and iOS 7.x
MutationObserver.toString() === '[object MutationObserverConstructor]'
)) {
// use MutationObserver where native Promise is not available,
// e.g. PhantomJS IE11, iOS7, Android 4.4
var counter = 1;
var observer = new MutationObserver(nextTickHandler);
var textNode = document.createTextNode(String(counter));
observer.observe(textNode, {
characterData: true
});
timerFunc = function () {
counter = (counter + 1) % 2;
textNode.data = String(counter);
};
} else {
// fallback to setTimeout
/* istanbul ignore next */
timerFunc = function () {
setTimeout(nextTickHandler, 0);
};
}
return function queueNextTick (cb, ctx) {
var _resolve;
callbacks.push(function () {
if (cb) { cb.call(ctx); }
if (_resolve) { _resolve(ctx); }
});
if (!pending) {
pending = true;
timerFunc();
}
if (!cb && typeof Promise !== 'undefined') {
return new Promise(function (resolve) {
_resolve = resolve;
})
}
}
})();
var _Set;
/* istanbul ignore if */
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;
}());
}
/* */
function baseWarn (msg) {
console.error(("[Vue compiler]: " + msg));
}
function pluckModuleFunction (
modules,
key
) {
return modules
? modules.map(function (m) { return m[key]; }).filter(function (_) { return _; })
: []
}
function addProp (el, name, value) {
(el.props || (el.props = [])).push({ name: name, value: value });
}
function addAttr (el, name, value) {
(el.attrs || (el.attrs = [])).push({ name: name, value: value });
}
function addDirective (
el,
name,
rawName,
value,
arg,
modifiers
) {
(el.directives || (el.directives = [])).push({ name: name, rawName: rawName, value: value, arg: arg, modifiers: modifiers });
}
function addHandler (
el,
name,
value,
modifiers,
important
) {
// check capture modifier
if (modifiers && modifiers.capture) {
delete modifiers.capture;
name = '!' + name; // mark the event as captured
}
if (modifiers && modifiers.once) {
delete modifiers.once;
name = '~' + name; // mark the event as once
}
var events;
if (modifiers && modifiers.native) {
delete modifiers.native;
events = el.nativeEvents || (el.nativeEvents = {});
} else {
events = el.events || (el.events = {});
}
var newHandler = { value: value, modifiers: modifiers };
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;
}
}
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)
}
}
}
function getAndRemoveAttr (el, name) {
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
}
}
}
return val
}
/* */
var onRE = /^@|^v-on:/;
var dirRE = /^v-|^@|^:/;
var forAliasRE = /(.*?)\s+(?:in|of)\s+(.*)/;
var forIteratorRE = /\((\{[^}]*\}|[^,]*),([^,]*)(?:,([^,]*))?\)/;
var argRE = /:(.*)$/;
var bindRE = /^:|^v-bind:/;
var modifierRE = /\.[^.]+/g;
var decodeHTMLCached = cached(he.decode);
// configurable state
var warn;
var delimiters;
var transforms;
var preTransforms;
var postTransforms;
var platformIsPreTag;
var platformMustUseProp;
var platformGetTagNamespace;
/**
* Convert HTML string to AST.
*/
function parse (
template,
options
) {
warn = options.warn || baseWarn;
platformGetTagNamespace = options.getTagNamespace || no;
platformMustUseProp = options.mustUseProp || no;
platformIsPreTag = options.isPreTag || no;
preTransforms = pluckModuleFunction(options.modules, 'preTransformNode');
transforms = pluckModuleFunction(options.modules, 'transformNode');
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;
warn(msg);
}
}
function endPre (element) {
// check pre state
if (element.pre) {
inVPre = false;
}
if (platformIsPreTag(element.tag)) {
inPre = false;
}
}
parseHTML(template, {
warn: warn,
expectHTML: options.expectHTML,
isUnaryTag: options.isUnaryTag,
canBeLeftOpenTag: options.canBeLeftOpenTag,
shouldDecodeNewlines: options.shouldDecodeNewlines,
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);
}
var element = {
type: 1,
tag: tag,
attrsList: attrs,
attrsMap: makeAttrsMap(attrs),
parent: currentParent,
children: []
};
if (ns) {
element.ns = ns;
}
if (isForbiddenTag(element) && !isServerRendering()) {
element.forbidden = true;
process.env.NODE_ENV !== 'production' && warn(
'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++) {
preTransforms[i](element, options);
}
if (!inVPre) {
processPre(element);
if (element.pre) {
inVPre = true;
}
}
if (platformIsPreTag(element.tag)) {
inPre = true;
}
if (inVPre) {
processRawAttrs(element);
} else {
processFor(element);
processIf(element);
processOnce(element);
processKey(element);
// determine whether this is a plain element after
// removing structural attributes
element.plain = !element.key && !attrs.length;
processRef(element);
processSlot(element);
processComponent(element);
for (var i$1 = 0; i$1 < transforms.length; i$1++) {
transforms[i$1](element, options);
}
processAttrs(element);
}
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 {
endPre(element);
}
// apply post-transforms
for (var i$2 = 0; i$2 < postTransforms.length; i$2++) {
postTransforms[i$2](element, options);
}
},
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];
endPre(element);
},
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()
? decodeHTMLCached(text)
// only preserve whitespace if its not right after a starting tag
: preserveWhitespace && children.length ? ' ' : '';
if (text) {
var expression;
if (!inVPre && text !== ' ' && (expression = parseText(text, delimiters))) {
children.push({
type: 2,
expression: expression,
text: text
});
} else if (text !== ' ' || !children.length || children[children.length - 1].text !== ' ') {
children.push({
type: 3,
text: text
});
}
}
}
});
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;
}
}
function processKey (el) {
var exp = getBindingAttr(el, 'key');
if (exp) {
if (process.env.NODE_ENV !== 'production' && el.tag === 'template') {
warn("<template> cannot be keyed. Place the key on real elements instead.");
}
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'))) {
var inMatch = exp.match(forAliasRE);
if (!inMatch) {
process.env.NODE_ENV !== 'production' && warn(
("Invalid v-for expression: " + exp)
);
return
}
el.for = inMatch[2].trim();
var alias = inMatch[1].trim();
var iteratorMatch = alias.match(forIteratorRE);
if (iteratorMatch) {
el.alias = iteratorMatch[1].trim();
el.iterator1 = iteratorMatch[2].trim();
if (iteratorMatch[3]) {
el.iterator2 = iteratorMatch[3].trim();
}
} else {
el.alias = alias;
}
}
}
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') {
warn(
"v-" + (el.elseif ? ('else-if="' + el.elseif + '"') : 'else') + " " +
"used on element <" + (el.tag) + "> without corresponding v-if."
);
}
}
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 !== ' ') {
warn(
"text \"" + (children[i].text.trim()) + "\" between v-if and v-else(-if) " +
"will be ignored."
);
}
children.pop();
}
}
}
function addIfCondition (el, condition) {
if (!el.ifConditions) {
el.ifConditions = [];
}
el.ifConditions.push(condition);
}
function processOnce (el) {
var once$$1 = getAndRemoveAttr(el, 'v-once');
if (once$$1 != null) {
el.once = true;
}
}
function processSlot (el) {
if (el.tag === 'slot') {
el.slotName = getBindingAttr(el, 'name');
if (process.env.NODE_ENV !== 'production' && el.key) {
warn(
"`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 {
var slotTarget = getBindingAttr(el, 'slot');
if (slotTarget) {
el.slotTarget = slotTarget === '""' ? '"default"' : slotTarget;
}
if (el.tag === 'template') {
el.slotScope = getAndRemoveAttr(el, 'scope');
}
}
}
function processComponent (el) {
var binding;
if ((binding = getBindingAttr(el, 'is'))) {
el.component = binding;
}
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, '');
}
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 (isProp || platformMustUseProp(el.tag, el.attrsMap.type, name)) {
addProp(el, name, value);
} else {
addAttr(el, name, value);
}
} else if (onRE.test(name)) { // v-on
name = name.replace(onRE, '');
addHandler(el, name, value, modifiers);
} 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);
}
}
} else {
// literal attribute
if (process.env.NODE_ENV !== 'production') {
var expression = parseText(value, delimiters);
if (expression) {
warn(
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));
}
}
}
function checkInFor (el) {
var parent = el;
while (parent) {
if (parent.for !== undefined) {
return true
}
parent = parent.parent;
}
return false
}
function parseModifiers (name) {
var match = name.match(modifierRE);
if (match) {
var ret = {};
match.forEach(function (m) { ret[m.slice(1)] = true; });
return ret
}
}
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) {
warn('duplicate attribute: ' + attrs[i].name);
}
map[attrs[i].name] = attrs[i].value;
}
return map
}
function isForbiddenTag (el) {
return (
el.tag === 'style' ||
(el.tag === 'script' && (
!el.attrsMap.type ||
el.attrsMap.type === 'text/javascript'
))
)
}
var ieNSBug = /^xmlns:NS\d+/;
var ieNSPrefix = /^NS\d+:/;
/* 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
}
function checkForAliasModel (el, value) {
var _el = el;
while (_el) {
if (_el.for && _el.alias === value) {
warn(
"<" + (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;
}
}
/* */
var isStaticKey;
var isPlatformReservedTag;
var genStaticKeysCached = cached(genStaticKeys$1);
/**
* Goal of the optimizer: walk the generated template AST tree
* and detect sub-trees that are purely static, i.e. parts of
* the DOM that never needs to change.
*
* Once we detect these sub-trees, we can:
*
* 1. Hoist them into constants, so that we no longer need to
* create fresh nodes for them on each re-render;
* 2. Completely skip them in the patching process.
*/
function optimize (root, options) {
if (!root) { return }
isStaticKey = genStaticKeysCached(options.staticKeys || '');
isPlatformReservedTag = options.isReservedTag || no;
// first pass: mark all non-static nodes.
markStatic(root);
// second pass: mark static roots.
markStaticRoots(root, false);
}
function genStaticKeys$1 (keys) {
return makeMap(
'type,tag,attrsList,attrsMap,plain,parent,children,attrs' +
(keys ? ',' + keys : '')
)
}
function markStatic (node) {
node.static = isStatic(node);
if (node.type === 1) {
// do not make component slot content static. this avoids
// 1. components not able to mutate slot nodes
// 2. static slot content fails for hot-reloading
if (
!isPlatformReservedTag(node.tag) &&
node.tag !== 'slot' &&
node.attrsMap['inline-template'] == null
) {
return
}
for (var i = 0, l = node.children.length; i < l; i++) {
var child = node.children[i];
markStatic(child);
if (!child.static) {
node.static = false;
}
}
}
}
function markStaticRoots (node, isInFor) {
if (node.type === 1) {
if (node.static || node.once) {
node.staticInFor = isInFor;
}
// For a node to qualify as a static root, it should have children that
// are not just static text. Otherwise the cost of hoisting out will
// outweigh the benefits and it's better off to just always render it fresh.
if (node.static && node.children.length && !(
node.children.length === 1 &&
node.children[0].type === 3
)) {
node.staticRoot = true;
return
} else {
node.staticRoot = false;
}
if (node.children) {
for (var i = 0, l = node.children.length; i < l; i++) {
markStaticRoots(node.children[i], isInFor || !!node.for);
}
}
if (node.ifConditions) {
walkThroughConditionsBlocks(node.ifConditions, isInFor);
}
}
}
function walkThroughConditionsBlocks (conditionBlocks, isInFor) {
for (var i = 1, len = conditionBlocks.length; i < len; i++) {
markStaticRoots(conditionBlocks[i].block, isInFor);
}
}
function isStatic (node) {
if (node.type === 2) { // expression
return false
}
if (node.type === 3) { // text
return true
}
return !!(node.pre || (
!node.hasBindings && // no dynamic bindings
!node.if && !node.for && // not v-if or v-for or v-else
!isBuiltInTag(node.tag) && // not a built-in
isPlatformReservedTag(node.tag) && // not a component
!isDirectChildOfTemplateFor(node) &&
Object.keys(node).every(isStaticKey)
))
}
function isDirectChildOfTemplateFor (node) {
while (node.parent) {
node = node.parent;
if (node.tag !== 'template') {
return false
}
if (node.for) {
return true
}
}
return false
}
/* */
var fnExpRE = /^\s*([\w$_]+|\([^)]*?\))\s*=>|^function\s*\(/;
var simplePathRE = /^\s*[A-Za-z_$][\w$]*(?:\.[A-Za-z_$][\w$]*|\['.*?']|\[".*?"]|\[\d+]|\[[A-Za-z_$][\w$]*])*\s*$/;
// keyCode aliases
var keyCodes = {
esc: 27,
tab: 9,
enter: 13,
space: 32,
up: 38,
left: 37,
right: 39,
down: 40,
'delete': [8, 46]
};
// #4868: modifiers that prevent the execution of the listener
// need to explicitly return null so that we can determine whether to remove
// the listener for .once
var genGuard = function (condition) { return ("if(" + condition + ")return null;"); };
var modifierCode = {
stop: '$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 && $event.button !== 2")
};
function genHandlers (events, native) {
var res = native ? 'nativeOn:{' : 'on:{';
for (var name in events) {
res += "\"" + name + "\":" + (genHandler(name, events[name])) + ",";
}
return res.slice(0, -1) + '}'
}
function genHandler (
name,
handler
) {
if (!handler) {
return 'function(){}'
}
if (Array.isArray(handler)) {
return ("[" + (handler.map(function (handler) { return genHandler(name, handler); }).join(',')) + "]")
}
var isMethodPath = simplePathRE.test(handler.value);
var isFunctionExpression = fnExpRE.test(handler.value);
if (!handler.modifiers) {
return isMethodPath || isFunctionExpression
? handler.value
: ("function($event){" + (handler.value) + "}") // inline statement
} 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);
}
} else {
keys.push(key);
}
}
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
? handler.value + '($event)'
: isFunctionExpression
? ("(" + (handler.value) + ")($event)")
: handler.value;
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)
}
var alias = keyCodes[key];
return ("_k($event.keyCode," + (JSON.stringify(key)) + (alias ? ',' + JSON.stringify(alias) : '') + ")")
}
/* */
function bind$1 (el, dir) {
el.wrapData = function (code) {
return ("_b(" + code + ",'" + (el.tag) + "'," + (dir.value) + (dir.modifiers && dir.modifiers.prop ? ',true' : '') + ")")
};
}
/* */
var baseDirectives = {
bind: bind$1,
cloak: noop
};
/* */
// configurable state
var warn$1;
var transforms$1;
var dataGenFns;
var platformDirectives;
var isPlatformReservedTag$1;
var staticRenderFns;
var onceCount;
var currentOptions;
function generate (
ast,
options
) {
// save previous staticRenderFns so generate calls can be nested
var prevStaticRenderFns = staticRenderFns;
var currentStaticRenderFns = staticRenderFns = [];
var prevOnceCount = onceCount;
onceCount = 0;
currentOptions = options;
warn$1 = options.warn || baseWarn;
transforms$1 = pluckModuleFunction(options.modules, 'transformCode');
dataGenFns = pluckModuleFunction(options.modules, 'genData');
platformDirectives = options.directives || {};
isPlatformReservedTag$1 = options.isReservedTag || no;
var code = ast ? genElement(ast) : '_c("div")';
staticRenderFns = prevStaticRenderFns;
onceCount = prevOnceCount;
return {
render: ("with(this){return " + code + "}"),
staticRenderFns: currentStaticRenderFns
}
}
function genElement (el) {
if (el.staticRoot && !el.staticProcessed) {
return genStatic(el)
} else if (el.once && !el.onceProcessed) {
return genOnce(el)
} else if (el.for && !el.forProcessed) {
return genFor(el)
} else if (el.if && !el.ifProcessed) {
return genIf(el)
} else if (el.tag === 'template' && !el.slotTarget) {
return genChildren(el) || 'void 0'
} else if (el.tag === 'slot') {
return genSlot(el)
} else {
// component or element
var code;
if (el.component) {
code = genComponent(el.component, el);
} else {
var data = el.plain ? undefined : genData(el);
var children = el.inlineTemplate ? null : genChildren(el, true);
code = "_c('" + (el.tag) + "'" + (data ? ("," + data) : '') + (children ? ("," + children) : '') + ")";
}
// module transforms
for (var i = 0; i < transforms$1.length; i++) {
code = transforms$1[i](el, code);
}
return code
}
}
// hoist static sub-trees out
function genStatic (el) {
el.staticProcessed = true;
staticRenderFns.push(("with(this){return " + (genElement(el)) + "}"));
return ("_m(" + (staticRenderFns.length - 1) + (el.staticInFor ? ',true' : '') + ")")
}
// v-once
function genOnce (el) {
el.onceProcessed = true;
if (el.if && !el.ifProcessed) {
return genIf(el)
} else if (el.staticInFor) {
var key = '';
var parent = el.parent;
while (parent) {
if (parent.for) {
key = parent.key;
break
}
parent = parent.parent;
}
if (!key) {
process.env.NODE_ENV !== 'production' && warn$1(
"v-once can only be used inside v-for that is keyed. "
);
return genElement(el)
}
return ("_o(" + (genElement(el)) + "," + (onceCount++) + (key ? ("," + key) : "") + ")")
} else {
return genStatic(el)
}
}
function genIf (el) {
el.ifProcessed = true; // avoid recursion
return genIfConditions(el.ifConditions.slice())
}
function genIfConditions (conditions) {
if (!conditions.length) {
return '_e()'
}
var condition = conditions.shift();
if (condition.exp) {
return ("(" + (condition.exp) + ")?" + (genTernaryExp(condition.block)) + ":" + (genIfConditions(conditions)))
} else {
return ("" + (genTernaryExp(condition.block)))
}
// v-if with v-once should generate code like (a)?_m(0):_m(1)
function genTernaryExp (el) {
return el.once ? genOnce(el) : genElement(el)
}
}
function genFor (el) {
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' &&
maybeComponent(el) && el.tag !== 'slot' && el.tag !== 'template' && !el.key
) {
warn$1(
"<" + (el.tag) + " v-for=\"" + alias + " in " + exp + "\">: component lists rendered with " +
"v-for should have explicit keys. " +
"See https://vuejs.org/guide/list.html#key for more info.",
true /* tip */
);
}
el.forProcessed = true; // avoid recursion
return "_l((" + exp + ")," +
"function(" + alias + iterator1 + iterator2 + "){" +
"return " + (genElement(el)) +
'})'
}
function genData (el) {
var data = '{';
// directives first.
// directives may mutate the el's other properties before they are generated.
var dirs = genDirectives(el);
if (dirs) { data += dirs + ','; }
// key
if (el.key) {
data += "key:" + (el.key) + ",";
}
// ref
if (el.ref) {
data += "ref:" + (el.ref) + ",";
}
if (el.refInFor) {
data += "refInFor:true,";
}
// pre
if (el.pre) {
data += "pre:true,";
}
// record original tag name for components using "is" attribute
if (el.component) {
data += "tag:\"" + (el.tag) + "\",";
}
// module data generation functions
for (var i = 0; i < dataGenFns.length; i++) {
data += dataGenFns[i](el);
}
// attributes
if (el.attrs) {
data += "attrs:{" + (genProps(el.attrs)) + "},";
}
// DOM props
if (el.props) {
data += "domProps:{" + (genProps(el.props)) + "},";
}
// event handlers
if (el.events) {
data += (genHandlers(el.events)) + ",";
}
if (el.nativeEvents) {
data += (genHandlers(el.nativeEvents, true)) + ",";
}
// slot target
if (el.slotTarget) {
data += "slot:" + (el.slotTarget) + ",";
}
// scoped slots
if (el.scopedSlots) {
data += (genScopedSlots(el.scopedSlots)) + ",";
}
// component v-model
if (el.model) {
data += "model:{value:" + (el.model.value) + ",callback:" + (el.model.callback) + ",expression:" + (el.model.expression) + "},";
}
// inline-template
if (el.inlineTemplate) {
var inlineTemplate = genInlineTemplate(el);
if (inlineTemplate) {
data += inlineTemplate + ",";
}
}
data = data.replace(/,$/, '') + '}';
// v-bind data wrap
if (el.wrapData) {
data = el.wrapData(data);
}
return data
}
function genDirectives (el) {
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 = platformDirectives[dir.name] || baseDirectives[dir.name];
if (gen) {
// compile-time directive that manipulates AST.
// returns true if it also needs a runtime counterpart.
needRuntime = !!gen(el, dir, warn$1);
}
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) + ']'
}
}
function genInlineTemplate (el) {
var ast = el.children[0];
if (process.env.NODE_ENV !== 'production' && (
el.children.length > 1 || ast.type !== 1
)) {
warn$1('Inline-template components must have exactly one child element.');
}
if (ast.type === 1) {
var inlineRenderFns = generate(ast, currentOptions);
return ("inlineTemplate:{render:function(){" + (inlineRenderFns.render) + "},staticRenderFns:[" + (inlineRenderFns.staticRenderFns.map(function (code) { return ("function(){" + code + "}"); }).join(',')) + "]}")
}
}
function genScopedSlots (slots) {
return ("scopedSlots:_u([" + (Object.keys(slots).map(function (key) { return genScopedSlot(key, slots[key]); }).join(',')) + "])")
}
function genScopedSlot (key, el) {
return "[" + key + ",function(" + (String(el.attrsMap.scope)) + "){" +
"return " + (el.tag === 'template'
? genChildren(el) || 'void 0'
: genElement(el)) + "}]"
}
function genChildren (el, checkSkip) {
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 genElement(el$1)
}
var normalizationType = checkSkip ? getNormalizationType(children) : 0;
return ("[" + (children.map(genNode).join(',')) + "]" + (normalizationType ? ("," + normalizationType) : ''))
}
}
// 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) {
var res = 0;
for (var i = 0; i < children.length; i++) {
var el = children[i];
if (el.type !== 1) {
continue
}
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;
}
}
return res
}
function needsNormalization (el) {
return el.for !== undefined || el.tag === 'template' || el.tag === 'slot'
}
function maybeComponent (el) {
return !isPlatformReservedTag$1(el.tag)
}
function genNode (node) {
if (node.type === 1) {
return genElement(node)
} else {
return genText(node)
}
}
function genText (text) {
return ("_v(" + (text.type === 2
? text.expression // no need for () because already wrapped in _s()
: transformSpecialNewlines(JSON.stringify(text.text))) + ")")
}
function genSlot (el) {
var slotName = el.slotName || '"default"';
var children = genChildren(el);
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;
}
if (bind$$1) {
res += (attrs ? '' : ',null') + "," + bind$$1;
}
return res + ')'
}
// componentName is el.component, take it as argument to shun flow's pessimistic refinement
function genComponent (componentName, el) {
var children = el.inlineTemplate ? null : genChildren(el, true);
return ("_c(" + componentName + "," + (genData(el)) + (children ? ("," + children) : '') + ")")
}
function genProps (props) {
var res = '';
for (var i = 0; i < props.length; i++) {
var prop = props[i];
res += "\"" + (prop.name) + "\":" + (transformSpecialNewlines(prop.value)) + ",";
}
return res.slice(0, -1)
}
// #3895, #4268
function transformSpecialNewlines (text) {
return text
.replace(/\u2028/g, '\\u2028')
.replace(/\u2029/g, '\\u2029')
}
/* */
// 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*\\([^\\)]*\\)');
// check valid identifier for v-for
var identRE = /[A-Za-z_$][\w$]*/;
// strip strings in expressions
var stripStringRE = /'(?:[^'\\]|\\.)*'|"(?:[^"\\]|\\.)*"|`(?:[^`\\]|\\.)*\$\{|\}(?:[^`\\]|\\.)*`|`(?:[^`\\]|\\.)*`/g;
// detect problematic expressions in a template
function detectErrors (ast) {
var errors = [];
if (ast) {
checkNode(ast, errors);
}
return errors
}
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);
}
}
}
}
if (node.children) {
for (var i = 0; i < node.children.length; i++) {
checkNode(node.children[i], errors);
}
}
} else if (node.type === 2) {
checkExpression(node.expression, node.text, errors);
}
}
function checkEvent (exp, text, errors) {
var keywordMatch = exp.replace(stripStringRE, '').match(unaryOperatorsRE);
if (keywordMatch) {
errors.push(
"avoid using JavaScript unary operator as property name: " +
"\"" + (keywordMatch[0]) + "\" in expression " + (text.trim())
);
}
checkExpression(exp, text, errors);
}
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);
}
function checkIdentifier (ident, type, text, errors) {
if (typeof ident === 'string' && !identRE.test(ident)) {
errors.push(("invalid " + type + " \"" + ident + "\" in expression: " + (text.trim())));
}
}
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: " +
"\"" + (keywordMatch[0]) + "\" in expression " + (text.trim())
);
} else {
errors.push(("invalid expression: " + (text.trim())));
}
}
}
/* */
var config = {
/**
* Option merge strategies (used in core/util/options)
*/
optionMergeStrategies: Object.create(null),
/**
* 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,
/**
* Ignore certain custom elements
*/
ignoredElements: [],
/**
* Custom user key aliases for v-on
*/
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 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,
/**
* List of asset types that a component can own.
*/
_assetTypes: [
'component',
'directive',
'filter'
],
/**
* List of lifecycle hooks.
*/
_lifecycleHooks: [
'beforeCreate',
'created',
'beforeMount',
'mounted',
'beforeUpdate',
'updated',
'beforeDestroy',
'destroyed',
'activated',
'deactivated'
],
/**
* Max circular updates allowed in a scheduler flush cycle.
*/
_maxUpdateCount: 100
};
var warn$2 = noop;
var tip = noop;
var formatComponentName;
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$2 = function (msg, vm) {
if (hasConsole && (!config.silent)) {
console.error("[Vue warn]: " + msg + " " + (
vm ? formatLocation(formatComponentName(vm)) : ''
));
}
};
tip = function (msg, vm) {
if (hasConsole && (!config.silent)) {
console.warn("[Vue tip]: " + msg + " " + (
vm ? formatLocation(formatComponentName(vm)) : ''
));
}
};
formatComponentName = function (vm, includeFile) {
if (vm.$root === vm) {
return '<Root>'
}
var name = typeof vm === 'string'
? vm
: typeof vm === 'function' && vm.options
? vm.options.name
: vm._isVue
? vm.$options.name || vm.$options._componentTag
: vm.name;
var file = vm._isVue && vm.$options.__file;
if (!name && file) {
var match = file.match(/([^/\\]+)\.vue$/);
name = match && match[1];
}
return (
(name ? ("<" + (classify(name)) + ">") : "<Anonymous>") +
(file && includeFile !== false ? (" at " + file) : '')
)
};
var formatLocation = function (str) {
if (str === "<Anonymous>") {
str += " - use the \"name\" option for better debugging messages.";
}
return ("\n(found in " + str + ")")
};
}
/* */
function baseCompile (
template,
options
) {
var ast = parse(template.trim(), options);
optimize(ast, options);
var code = generate(ast, options);
return {
ast: ast,
render: code.render,
staticRenderFns: code.staticRenderFns
}
}
function makeFunction (code, errors) {
try {
return new Function(code)
} catch (err) {
errors.push({ err: err, code: code });
return noop
}
}
function createCompiler (baseOptions) {
var functionCompileCache = Object.create(null);
function compile (
template,
options
) {
var finalOptions = Object.create(baseOptions);
var errors = [];
var tips = [];
finalOptions.warn = function (msg, tip$$1) {
(tip$$1 ? tips : errors).push(msg);
};
if (options) {
// merge custom modules
if (options.modules) {
finalOptions.modules = (baseOptions.modules || []).concat(options.modules);
}
// merge custom directives
if (options.directives) {
finalOptions.directives = extend(
Object.create(baseOptions.directives),
options.directives
);
}
// copy other options
for (var key in options) {
if (key !== 'modules' && key !== 'directives') {
finalOptions[key] = options[key];
}
}
}
var compiled = baseCompile(template, finalOptions);
if (process.env.NODE_ENV !== 'production') {
errors.push.apply(errors, detectErrors(compiled.ast));
}
compiled.errors = errors;
compiled.tips = tips;
return compiled
}
function compileToFunctions (
template,
options,
vm
) {
options = options || {};
/* 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/)) {
warn$2(
'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 (functionCompileCache[key]) {
return functionCompileCache[key]
}
// compile
var compiled = compile(template, options);
// check compilation errors/tips
if (process.env.NODE_ENV !== 'production') {
if (compiled.errors && compiled.errors.length) {
warn$2(
"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 = makeFunction(compiled.render, fnGenErrors);
var l = compiled.staticRenderFns.length;
res.staticRenderFns = new Array(l);
for (var i = 0; i < l; i++) {
res.staticRenderFns[i] = makeFunction(compiled.staticRenderFns[i], 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) {
warn$2(
"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
);
}
}
return (functionCompileCache[key] = res)
}
return {
compile: compile,
compileToFunctions: compileToFunctions
}
}
/* */
function transformNode (el, options) {
var warn = options.warn || baseWarn;
var staticClass = getAndRemoveAttr(el, 'class');
if (process.env.NODE_ENV !== 'production' && staticClass) {
var expression = parseText(staticClass, options.delimiters);
if (expression) {
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;
}
}
function genData$1 (el) {
var data = '';
if (el.staticClass) {
data += "staticClass:" + (el.staticClass) + ",";
}
if (el.classBinding) {
data += "class:" + (el.classBinding) + ",";
}
return data
}
var klass = {
staticKeys: ['staticClass'],
transformNode: transformNode,
genData: genData$1
};
/* */
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
}
// normalize possible array / string values into Object
function normalizeStyleBinding (bindingStyle) {
if (Array.isArray(bindingStyle)) {
return toObject(bindingStyle)
}
if (typeof bindingStyle === 'string') {
return parseStyleText(bindingStyle)
}
return bindingStyle
}
/**
* 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;
if (childNode.data && (styleData = normalizeStyleData(childNode.data))) {
extend(res, styleData);
}
}
}
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);
}
}
return res
}
/* */
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') {
var expression = parseText(staticStyle, options.delimiters);
if (expression) {
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));
}
var styleBinding = getBindingAttr(el, 'style', false /* getStatic */);
if (styleBinding) {
el.styleBinding = styleBinding;
}
}
function genData$2 (el) {
var data = '';
if (el.staticStyle) {
data += "staticStyle:" + (el.staticStyle) + ",";
}
if (el.styleBinding) {
data += "style:(" + (el.styleBinding) + "),";
}
return data
}
var style = {
staticKeys: ['staticStyle'],
transformNode: transformNode$1,
genData: genData$2
};
var modules = [
klass,
style
];
/* */
/**
* 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 = '$$v';
var valueExpression = baseValueExpression;
if (trim) {
valueExpression =
"(typeof " + baseValueExpression + " === 'string'" +
"? " + baseValueExpression + ".trim()" +
": " + baseValueExpression + ")";
}
if (number) {
valueExpression = "_n(" + valueExpression + ")";
}
var assignment = genAssignmentCode(value, valueExpression);
el.model = {
value: ("(" + value + ")"),
expression: ("\"" + value + "\""),
callback: ("function (" + baseValueExpression + ") {" + assignment + "}")
};
}
/**
* Cross-platform codegen helper for generating v-model value assignment code.
*/
function genAssignmentCode (
value,
assignment
) {
var modelRs = parseModel(value);
if (modelRs.idx === null) {
return (value + "=" + assignment)
} else {
return "var $$exp = " + (modelRs.exp) + ", $$idx = " + (modelRs.idx) + ";" +
"if (!Array.isArray($$exp)){" +
value + "=" + assignment + "}" +
"else{$$exp.splice($$idx, 1, " + assignment + ")}"
}
}
/**
* parse directive model to do the array update transform. a[idx] = val => $$a.splice($$idx, 1, val)
*
* for loop possible cases:
*
* - test
* - test[idx]
* - test[test1[idx]]
* - test["a"][idx]
* - xxx.test[a[a].test1[idx]]
* - test.xxx.a["asa"][test1[idx]]
*
*/
var len;
var str;
var chr;
var index;
var expressionPos;
var expressionEndPos;
function parseModel (val) {
str = val;
len = str.length;
index = expressionPos = expressionEndPos = 0;
if (val.indexOf('[') < 0 || val.lastIndexOf(']') < len - 1) {
return {
exp: val,
idx: null
}
}
while (!eof()) {
chr = next();
/* istanbul ignore if */
if (isStringStart(chr)) {
parseString(chr);
} else if (chr === 0x5B) {
parseBracket(chr);
}
}
return {
exp: val.substring(0, expressionPos),
idx: val.substring(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
}
}
}
/* */
var warn$3;
// in some cases, the event used has to be determined at runtime
// so we used some reserved tokens during compile.
var RANGE_TOKEN = '__r';
var CHECKBOX_RADIO_TOKEN = '__c';
function model (
el,
dir,
_warn
) {
warn$3 = _warn;
var value = dir.value;
var modifiers = dir.modifiers;
var tag = el.tag;
var type = el.attrsMap.type;
if (process.env.NODE_ENV !== 'production') {
var dynamicType = el.attrsMap['v-bind:type'] || el.attrsMap[':type'];
if (tag === 'input' && dynamicType) {
warn$3(
"<input :type=\"" + dynamicType + "\" v-model=\"" + value + "\">:\n" +
"v-model does not support dynamic input types. Use v-if branches instead."
);
}
// inputs with type="file" are read only and setting the input's
// value will throw an error.
if (tag === 'input' && type === 'file') {
warn$3(
"<" + (el.tag) + " v-model=\"" + value + "\" type=\"file\">:\n" +
"File inputs are read only. Use a v-on:change listener instead."
);
}
}
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$3(
"<" + (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 + ")" +
"?_i(" + value + "," + valueBinding + ")>-1" + (
trueValueBinding === 'true'
? (":(" + value + ")")
: (":_q(" + value + "," + trueValueBinding + ")")
)
);
addHandler(el, CHECKBOX_RADIO_TOKEN,
"var $$a=" + value + "," +
'$$el=$event.target,' +
"$$c=$$el.checked?(" + trueValueBinding + "):(" + falseValueBinding + ");" +
'if(Array.isArray($$a)){' +
"var $$v=" + (number ? '_n(' + valueBinding + ')' : valueBinding) + "," +
'$$i=_i($$a,$$v);' +
"if($$c){$$i<0&&(" + value + "=$$a.concat($$v))}" +
"else{$$i>-1&&(" + value + "=$$a.slice(0,$$i).concat($$a.slice($$i+1)))}" +
"}else{" + value + "=$$c}",
null, true
);
}
function genRadioModel (
el,
value,
modifiers
) {
var number = modifiers && modifiers.number;
var valueBinding = getBindingAttr(el, 'value') || 'null';
valueBinding = number ? ("_n(" + valueBinding + ")") : valueBinding;
addProp(el, 'checked', ("_q(" + value + "," + valueBinding + ")"));
addHandler(el, CHECKBOX_RADIO_TOKEN, genAssignmentCode(value, valueBinding), null, true);
}
function genSelect (
el,
value,
modifiers
) {
var number = modifiers && modifiers.number;
var selectedVal = "Array.prototype.filter" +
".call($event.target.options,function(o){return o.selected})" +
".map(function(o){var val = \"_value\" in o ? o._value : o.value;" +
"return " + (number ? '_n(val)' : 'val') + "})";
var assignment = '$event.target.multiple ? $$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;
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($event.target.composing)return;" + code;
}
addProp(el, 'value', ("(" + value + ")"));
addHandler(el, event, code, null, true);
if (trim || number || type === 'number') {
addHandler(el, 'blur', '$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) + ")"));
}
}
var directives = {
model: model,
text: text,
html: html
};
/* */
var emptyObject = Object.freeze({});
/**
* Check if a string starts with $ or _
*/
function isReserved (str) {
var c = (str + '').charCodeAt(0);
return c === 0x24 || c === 0x5F
}
/**
* Define a property.
*/
function def (obj, key, val, enumerable) {
Object.defineProperty(obj, key, {
value: val,
enumerable: !!enumerable,
writable: true,
configurable: true
});
}
/**
* Parse simple path.
*/
var bailRE = /[^\w.$]/;
function parsePath (path) {
if (bailRE.test(path)) {
return
}
var segments = path.split('.');
return function (obj) {
for (var i = 0; i < segments.length; i++) {
if (!obj) { return }
obj = obj[segments[i]];
}
return obj
}
}
/* not type checking this file because flow doesn't play well with Proxy */
var initProxy;
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
);
var warnNonPresent = function (target, key) {
warn$2(
"Property or method \"" + key + "\" is not defined on the instance but " +
"referenced during render. Make sure to declare reactive data " +
"properties in the data option.",
target
);
};
var hasProxy =
typeof Proxy !== 'undefined' &&
Proxy.toString().match(/native code/);
if (hasProxy) {
var isBuiltInModifier = makeMap('stop,prevent,self,ctrl,shift,alt,meta');
config.keyCodes = new Proxy(config.keyCodes, {
set: function set (target, key, value) {
if (isBuiltInModifier(key)) {
warn$2(("Avoid overwriting built-in modifier in config.keyCodes: ." + key));
return false
} else {
target[key] = value;
return true
}
}
});
}
var hasHandler = {
has: function has (target, key) {
var has = key in target;
var isAllowed = allowedGlobals(key) || key.charAt(0) === '_';
if (!has && !isAllowed) {
warnNonPresent(target, key);
}
return has || !isAllowed
}
};
var getHandler = {
get: function get (target, key) {
if (typeof key === 'string' && !(key in target)) {
warnNonPresent(target, key);
}
return target[key]
}
};
initProxy = function initProxy (vm) {
if (hasProxy) {
// determine which proxy handler to use
var options = vm.$options;
var handlers = options.render && options.render._withStripped
? getHandler
: hasHandler;
vm._renderProxy = new Proxy(vm, handlers);
} else {
vm._renderProxy = vm;
}
};
}
/* */
var uid$1 = 0;
/**
* A dep is an observable that can have multiple
* directives subscribing to it.
*/
var Dep = function Dep () {
this.id = uid$1++;
this.subs = [];
};
Dep.prototype.addSub = function addSub (sub) {
this.subs.push(sub);
};
Dep.prototype.removeSub = function removeSub (sub) {
remove(this.subs, sub);
};
Dep.prototype.depend = function depend () {
if (Dep.target) {
Dep.target.addDep(this);
}
};
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();
}
};
// 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;
var targetStack = [];
function pushTarget (_target) {
if (Dep.target) { targetStack.push(Dep.target); }
Dep.target = _target;
}
function popTarget () {
Dep.target = targetStack.pop();
}
var mark;
var measure;
if (process.env.NODE_ENV !== 'production') {
var perf = inBrowser && window.performance;
/* istanbul ignore if */
if (
perf &&
perf.mark &&
perf.measure &&
perf.clearMarks &&
perf.clearMeasures
) {
mark = function (tag) { return perf.mark(tag); };
measure = function (name, startTag, endTag) {
perf.measure(name, startTag, endTag);
perf.clearMarks(startTag);
perf.clearMarks(endTag);
perf.clearMeasures(name);
};
}
}
/* */
var VNode = function VNode (
tag,
data,
children,
text,
elm,
context,
componentOptions
) {
this.tag = tag;
this.data = data;
this.children = children;
this.text = text;
this.elm = elm;
this.ns = undefined;
this.context = context;
this.functionalContext = undefined;
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;
};
var prototypeAccessors = { child: {} };
// DEPRECATED: alias for componentInstance for backwards compat.
/* istanbul ignore next */
prototypeAccessors.child.get = function () {
return this.componentInstance
};
Object.defineProperties( VNode.prototype, prototypeAccessors );
var createEmptyVNode = function () {
var node = new VNode();
node.text = '';
node.isComment = true;
return node
};
function createTextVNode (val) {
return new VNode(undefined, undefined, undefined, String(val))
}
// 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.
function cloneVNode (vnode) {
var cloned = new VNode(
vnode.tag,
vnode.data,
vnode.children,
vnode.text,
vnode.elm,
vnode.context,
vnode.componentOptions
);
cloned.ns = vnode.ns;
cloned.isStatic = vnode.isStatic;
cloned.key = vnode.key;
cloned.isCloned = true;
return cloned
}
function cloneVNodes (vnodes) {
var len = vnodes.length;
var res = new Array(len);
for (var i = 0; i < len; i++) {
res[i] = cloneVNode(vnodes[i]);
}
return res
}
/*
* not type checking this file because flow doesn't play well with
* dynamically accessing methods on Array prototype
*/
var arrayProto = Array.prototype;
var arrayMethods = Object.create(arrayProto);[
'push',
'pop',
'shift',
'unshift',
'splice',
'sort',
'reverse'
]
.forEach(function (method) {
// cache original method
var original = arrayProto[method];
def(arrayMethods, method, function mutator () {
var arguments$1 = arguments;
// avoid leaking arguments:
// http://jsperf.com/closure-with-arguments
var i = arguments.length;
var args = new Array(i);
while (i--) {
args[i] = arguments$1[i];
}
var result = original.apply(this, args);
var ob = this.__ob__;
var inserted;
switch (method) {
case 'push':
inserted = args;
break
case 'unshift':
inserted = args;
break
case 'splice':
inserted = args.slice(2);
break
}
if (inserted) { ob.observeArray(inserted); }
// notify change
ob.dep.notify();
return result
});
});
/* */
var arrayKeys = Object.getOwnPropertyNames(arrayMethods);
/**
* By default, when a reactive property is set, the new value is
* also converted to become reactive. However when passing down props,
* we don't want to force conversion because the value may be a nested value
* under a frozen data structure. Converting it would defeat the optimization.
*/
var observerState = {
shouldConvert: true,
isSettingProps: false
};
/**
* Observer class that are attached to each observed
* object. Once attached, the observer converts target
* object's property keys into getter/setters that
* collect dependencies and dispatches updates.
*/
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);
}
};
/**
* 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++) {
defineReactive$$1(obj, keys[i], obj[keys[i]]);
}
};
/**
* Observe a list of Array items.
*/
Observer.prototype.observeArray = function observeArray (items) {
for (var i = 0, l = items.length; i < l; i++) {
observe(items[i]);
}
};
// helpers
/**
* Augment an target Object or Array by intercepting
* the prototype chain using __proto__
*/
function protoAugment (target, src) {
/* eslint-disable no-proto */
target.__proto__ = src;
/* eslint-enable no-proto */
}
/**
* Augment an target Object or Array by defining
* hidden properties.
*/
/* istanbul ignore next */
function copyAugment (target, src, keys) {
for (var i = 0, l = keys.length; i < l; i++) {
var key = keys[i];
def(target, key, src[key]);
}
}
/**
* Attempt to create an observer instance for a value,
* returns the new observer if successfully observed,
* or the existing observer if the value already has one.
*/
function observe (value, asRootData) {
if (!isObject(value)) {
return
}
var ob;
if (hasOwn(value, '__ob__') && value.__ob__ instanceof Observer) {
ob = value.__ob__;
} else if (
observerState.shouldConvert &&
!isServerRendering() &&
(Array.isArray(value) || isPlainObject(value)) &&
Object.isExtensible(value) &&
!value._isVue
) {
ob = new Observer(value);
}
if (asRootData && ob) {
ob.vmCount++;
}
return ob
}
/**
* Define a reactive property on an Object.
*/
function defineReactive$$1 (
obj,
key,
val,
customSetter
) {
var dep = new Dep();
var property = Object.getOwnPropertyDescriptor(obj, key);
if (property && property.configurable === false) {
return
}
// cater for pre-defined getter/setters
var getter = property && property.get;
var setter = property && property.set;
var childOb = observe(val);
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();
}
if (Array.isArray(value)) {
dependArray(value);
}
}
return value
},
set: function reactiveSetter (newVal) {
var value = getter ? getter.call(obj) : val;
/* eslint-disable no-self-compare */
if (newVal === value || (newVal !== newVal && value !== value)) {
return
}
/* eslint-enable no-self-compare */
if (process.env.NODE_ENV !== 'production' && customSetter) {
customSetter();
}
if (setter) {
setter.call(obj, newVal);
} else {
val = newVal;
}
childOb = observe(newVal);
dep.notify();
}
});
}
/**
* 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) {
if (Array.isArray(target) && typeof key === 'number') {
target.length = Math.max(target.length, key);
target.splice(key, 1, val);
return val
}
if (hasOwn(target, key)) {
target[key] = val;
return val
}
var ob = (target ).__ob__;
if (target._isVue || (ob && ob.vmCount)) {
process.env.NODE_ENV !== 'production' && warn$2(
'Avoid adding reactive properties to a Vue instance or its root $data ' +
'at runtime - declare it upfront in the data option.'
);
return val
}
if (!ob) {
target[key] = val;
return val
}
defineReactive$$1(ob.value, key, val);
ob.dep.notify();
return val
}
/**
* Delete a property and trigger change if necessary.
*/
function del (target, key) {
if (Array.isArray(target) && typeof key === 'number') {
target.splice(key, 1);
return
}
var ob = (target ).__ob__;
if (target._isVue || (ob && ob.vmCount)) {
process.env.NODE_ENV !== 'production' && warn$2(
'Avoid deleting properties on a Vue instance or its root $data ' +
'- just set it to null.'
);
return
}
if (!hasOwn(target, key)) {
return
}
delete target[key];
if (!ob) {
return
}
ob.dep.notify();
}
/**
* Collect dependencies on array elements when the array is touched, since
* we cannot intercept array element access like property getters.
*/
function dependArray (value) {
for (var e = (void 0), i = 0, l = value.length; i < l; i++) {
e = value[i];
e && e.__ob__ && e.__ob__.dep.depend();
if (Array.isArray(e)) {
dependArray(e);
}
}
}
/* */
var normalizeEvent = cached(function (name) {
var once$$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
}
});
function createFnInvoker (fns) {
function invoker () {
var arguments$1 = arguments;
var fns = invoker.fns;
if (Array.isArray(fns)) {
for (var i = 0; i < fns.length; i++) {
fns[i].apply(null, arguments$1);
}
} else {
// return handler return value for single handlers
return fns.apply(null, arguments)
}
}
invoker.fns = fns;
return invoker
}
function updateListeners (
on,
oldOn,
add,
remove$$1,
vm
) {
var name, cur, old, event;
for (name in on) {
cur = on[name];
old = oldOn[name];
event = normalizeEvent(name);
if (!cur) {
process.env.NODE_ENV !== 'production' && warn$2(
"Invalid handler for event \"" + (event.name) + "\": got " + String(cur),
vm
);
} else if (!old) {
if (!cur.fns) {
cur = on[name] = createFnInvoker(cur);
}
add(event.name, cur, event.once, event.capture);
} else if (cur !== old) {
old.fns = cur;
on[name] = old;
}
}
for (name in oldOn) {
if (!on[name]) {
event = normalizeEvent(name);
remove$$1(event.name, oldOn[name], event.capture);
}
}
}
/* */
/* */
// 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)
}
}
return children
}
// 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
}
function normalizeArrayChildren (children, nestedIndex) {
var res = [];
var i, c, last;
for (i = 0; i < children.length; i++) {
c = children[i];
if (c == null || typeof c === 'boolean') { continue }
last = res[res.length - 1];
// nested
if (Array.isArray(c)) {
res.push.apply(res, normalizeArrayChildren(c, ((nestedIndex || '') + "_" + i)));
} else if (isPrimitive(c)) {
if (last && last.text) {
last.text += String(c);
} else if (c !== '') {
// convert primitive to vnode
res.push(createTextVNode(c));
}
} else {
if (c.text && last && last.text) {
res[res.length - 1] = createTextVNode(last.text + c.text);
} else {
// default key for nested array children (likely generated by v-for)
if (c.tag && c.key == null && nestedIndex != null) {
c.key = "__vlist" + nestedIndex + "_" + i + "__";
}
res.push(c);
}
}
}
return res
}
/* */
/* */
function initEvents (vm) {
vm._events = Object.create(null);
vm._hasHookEvent = false;
// init parent attached events
var listeners = vm.$options._parentListeners;
if (listeners) {
updateComponentListeners(vm, listeners);
}
}
var target;
function add (event, fn, once$$1) {
if (once$$1) {
target.$once(event, fn);
} else {
target.$on(event, fn);
}
}
function remove$1 (event, fn) {
target.$off(event, fn);
}
function updateComponentListeners (
vm,
listeners,
oldListeners
) {
target = vm;
updateListeners(listeners, oldListeners || {}, add, remove$1, vm);
}
function eventsMixin (Vue) {
var hookRE = /^hook:/;
Vue.prototype.$on = function (event, fn) {
var this$1 = this;
var vm = this;
if (Array.isArray(event)) {
for (var i = 0, l = event.length; i < l; i++) {
this$1.$on(event[i], fn);
}
} else {
(vm._events[event] || (vm._events[event] = [])).push(fn);
// optimize hook:event cost by using a boolean flag marked at registration
// instead of a hash lookup
if (hookRE.test(event)) {
vm._hasHookEvent = true;
}
}
return vm
};
Vue.prototype.$once = function (event, fn) {
var vm = this;
function on () {
vm.$off(event, on);
fn.apply(vm, arguments);
}
on.fn = fn;
vm.$on(event, on);
return vm
};
Vue.prototype.$off = function (event, fn) {
var this$1 = this;
var vm = this;
// all
if (!arguments.length) {
vm._events = Object.create(null);
return vm
}
// array of events
if (Array.isArray(event)) {
for (var i$1 = 0, l = event.length; i$1 < l; i$1++) {
this$1.$off(event[i$1], fn);
}
return vm
}
// specific event
var cbs = vm._events[event];
if (!cbs) {
return vm
}
if (arguments.length === 1) {
vm._events[event] = null;
return vm
}
// specific handler
var cb;
var i = cbs.length;
while (i--) {
cb = cbs[i];
if (cb === fn || cb.fn === fn) {
cbs.splice(i, 1);
break
}
}
return vm
};
Vue.prototype.$emit = function (event) {
var vm = this;
if (process.env.NODE_ENV !== 'production') {
var lowerCaseEvent = event.toLowerCase();
if (lowerCaseEvent !== event && vm._events[lowerCaseEvent]) {
tip(
"Event \"" + lowerCaseEvent + "\" is emitted in component " +
(formatComponentName(vm)) + " but the handler is registered for \"" + event + "\". " +
"Note that HTML attributes are case-insensitive and you cannot use " +
"v-on to listen to camelCase events when using in-DOM templates. " +
"You should probably use \"" + (hyphenate(event)) + "\" instead of \"" + event + "\"."
);
}
}
var cbs = vm._events[event];
if (cbs) {
cbs = cbs.length > 1 ? toArray(cbs) : cbs;
var args = toArray(arguments, 1);
for (var i = 0, l = cbs.length; i < l; i++) {
cbs[i].apply(vm, args);
}
}
return vm
};
}
/* */
/**
* Runtime helper for resolving raw children VNodes into a slot object.
*/
function resolveSlots (
children,
context
) {
var slots = {};
if (!children) {
return slots
}
var defaultSlot = [];
var name, child;
for (var i = 0, l = children.length; i < l; i++) {
child = children[i];
// named slots should only be respected if the vnode was rendered in the
// same context.
if ((child.context === context || child.functionalContext === context) &&
child.data && (name = child.data.slot)) {
var slot = (slots[name] || (slots[name] = []));
if (child.tag === 'template') {
slot.push.apply(slot, child.children);
} else {
slot.push(child);
}
} else {
defaultSlot.push(child);
}
}
// ignore whitespace
if (!defaultSlot.every(isWhitespace)) {
slots.default = defaultSlot;
}
return slots
}
function isWhitespace (node) {
return node.isComment || node.text === ' '
}
function resolveScopedSlots (
fns
) {
var res = {};
for (var i = 0; i < fns.length; i++) {
res[fns[i][0]] = fns[i][1];
}
return res
}
/* */
var activeInstance = null;
function initLifecycle (vm) {
var options = vm.$options;
// locate first non-abstract parent
var parent = options.parent;
if (parent && !options.abstract) {
while (parent.$options.abstract && parent.$parent) {
parent = parent.$parent;
}
parent.$children.push(vm);
}
vm.$parent = parent;
vm.$root = parent ? parent.$root : vm;
vm.$children = [];
vm.$refs = {};
vm._watcher = null;
vm._inactive = null;
vm._directInactive = false;
vm._isMounted = false;
vm._isDestroyed = false;
vm._isBeingDestroyed = false;
}
function lifecycleMixin (Vue) {
Vue.prototype._update = function (vnode, hydrating) {
var vm = this;
if (vm._isMounted) {
callHook(vm, 'beforeUpdate');
}
var prevEl = vm.$el;
var prevVnode = vm._vnode;
var prevActiveInstance = activeInstance;
activeInstance = vm;
vm._vnode = vnode;
// Vue.prototype.__patch__ is injected in entry points
// based on the rendering backend used.
if (!prevVnode) {
// initial render
vm.$el = vm.__patch__(
vm.$el, vnode, hydrating, false /* removeOnly */,
vm.$options._parentElm,
vm.$options._refElm
);
} else {
// updates
vm.$el = vm.__patch__(prevVnode, vnode);
}
activeInstance = prevActiveInstance;
// update __vue__ reference
if (prevEl) {
prevEl.__vue__ = null;
}
if (vm.$el) {
vm.$el.__vue__ = vm;
}
// if parent is an HOC, update its $el as well
if (vm.$vnode && vm.$parent && vm.$vnode === vm.$parent._vnode) {
vm.$parent.$el = vm.$el;
}
// updated hook is called by the scheduler to ensure that children are
// updated in a parent's updated hook.
};
Vue.prototype.$forceUpdate = function () {
var vm = this;
if (vm._watcher) {
vm._watcher.update();
}
};
Vue.prototype.$destroy = function () {
var vm = this;
if (vm._isBeingDestroyed) {
return
}
callHook(vm, 'beforeDestroy');
vm._isBeingDestroyed = true;
// remove self from parent
var parent = vm.$parent;
if (parent && !parent._isBeingDestroyed && !vm.$options.abstract) {
remove(parent.$children, vm);
}
// teardown watchers
if (vm._watcher) {
vm._watcher.teardown();
}
var i = vm._watchers.length;
while (i--) {
vm._watchers[i].teardown();
}
// remove reference from data ob
// frozen object may not have observer.
if (vm._data.__ob__) {
vm._data.__ob__.vmCount--;
}
// call the last hook...
vm._isDestroyed = true;
// invoke destroy hooks on current rendered tree
vm.__patch__(vm._vnode, null);
// fire destroyed hook
callHook(vm, 'destroyed');
// turn off all instance listeners.
vm.$off();
// remove __vue__ reference
if (vm.$el) {
vm.$el.__vue__ = null;
}
// remove reference to DOM nodes (prevents leak)
vm.$options._parentElm = vm.$options._refElm = null;
};
}
function updateChildComponent (
vm,
propsData,
listeners,
parentVnode,
renderChildren
) {
// determine whether component has slot children
// we need to do this before overwriting $options._renderChildren
var hasChildren = !!(
renderChildren || // has new static slots
vm.$options._renderChildren || // has old static slots
parentVnode.data.scopedSlots || // has new scoped slots
vm.$scopedSlots !== emptyObject // has old scoped slots
);
vm.$options._parentVnode = parentVnode;
vm.$vnode = parentVnode; // update vm's placeholder node without re-render
if (vm._vnode) { // update child tree's parent
vm._vnode.parent = parentVnode;
}
vm.$options._renderChildren = renderChildren;
// update props
if (propsData && vm.$options.props) {
observerState.shouldConvert = false;
if (process.env.NODE_ENV !== 'production') {
observerState.isSettingProps = true;
}
var props = vm._props;
var propKeys = vm.$options._propKeys || [];
for (var i = 0; i < propKeys.length; i++) {
var key = propKeys[i];
props[key] = validateProp(key, vm.$options.props, propsData, vm);
}
observerState.shouldConvert = true;
if (process.env.NODE_ENV !== 'production') {
observerState.isSettingProps = false;
}
// keep a copy of raw propsData
vm.$options.propsData = propsData;
}
// update listeners
if (listeners) {
var oldListeners = vm.$options._parentListeners;
vm.$options._parentListeners = listeners;
updateComponentListeners(vm, listeners, oldListeners);
}
// resolve slots + force update if has children
if (hasChildren) {
vm.$slots = resolveSlots(renderChildren, parentVnode.context);
vm.$forceUpdate();
}
}
function isInInactiveTree (vm) {
while (vm && (vm = vm.$parent)) {
if (vm._inactive) { return true }
}
return false
}
function activateChildComponent (vm, direct) {
if (direct) {
vm._directInactive = false;
if (isInInactiveTree(vm)) {
return
}
} else if (vm._directInactive) {
return
}
if (vm._inactive || vm._inactive == null) {
vm._inactive = false;
for (var i = 0; i < vm.$children.length; i++) {
activateChildComponent(vm.$children[i]);
}
callHook(vm, 'activated');
}
}
function deactivateChildComponent (vm, direct) {
if (direct) {
vm._directInactive = true;
if (isInInactiveTree(vm)) {
return
}
}
if (!vm._inactive) {
vm._inactive = true;
for (var i = 0; i < vm.$children.length; i++) {
deactivateChildComponent(vm.$children[i]);
}
callHook(vm, 'deactivated');
}
}
function callHook (vm, hook) {
var handlers = vm.$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);
}
}
/* */
var queue = [];
var has = {};
var circular = {};
var waiting = false;
var flushing = false;
var index$1 = 0;
/**
* Reset the scheduler's state.
*/
function resetSchedulerState () {
queue.length = 0;
has = {};
if (process.env.NODE_ENV !== 'production') {
circular = {};
}
waiting = flushing = false;
}
/**
* Flush both queues and run the watchers.
*/
function flushSchedulerQueue () {
flushing = true;
var watcher, id, vm;
// Sort queue before flush.
// This ensures that:
// 1. Components are updated from parent to child. (because parent is always
// created before the child)
// 2. A component's user watchers are run before its render watcher (because
// user watchers are created before the render watcher)
// 3. If a component is destroyed during a parent component's watcher run,
// its watchers can be skipped.
queue.sort(function (a, b) { return a.id - b.id; });
// do not cache length because more watchers might be pushed
// as we run existing watchers
for (index$1 = 0; index$1 < queue.length; index$1++) {
watcher = queue[index$1];
id = watcher.id;
has[id] = null;
watcher.run();
// in dev build, check and stop circular updates.
if (process.env.NODE_ENV !== 'production' && has[id] != null) {
circular[id] = (circular[id] || 0) + 1;
if (circular[id] > config._maxUpdateCount) {
warn$2(
'You may have an infinite update loop ' + (
watcher.user
? ("in watcher with expression \"" + (watcher.expression) + "\"")
: "in a component render function."
),
watcher.vm
);
break
}
}
}
// reset scheduler before updated hook called
var oldQueue = queue.slice();
resetSchedulerState();
// call updated hooks
index$1 = oldQueue.length;
while (index$1--) {
watcher = oldQueue[index$1];
vm = watcher.vm;
if (vm._watcher === watcher && vm._isMounted) {
callHook(vm, 'updated');
}
}
// devtool hook
/* istanbul ignore if */
if (devtools && config.devtools) {
devtools.emit('flush');
}
}
/**
* Push a watcher into the watcher queue.
* Jobs with duplicate IDs will be skipped unless it's
* pushed when the queue is being flushed.
*/
function queueWatcher (watcher) {
var id = watcher.id;
if (has[id] == null) {
has[id] = true;
if (!flushing) {
queue.push(watcher);
} else {
// if already flushing, splice the watcher based on its id
// if already past its id, it will be run next immediately.
var i = queue.length - 1;
while (i >= 0 && queue[i].id > watcher.id) {
i--;
}
queue.splice(Math.max(i, index$1) + 1, 0, watcher);
}
// queue the flush
if (!waiting) {
waiting = true;
nextTick(flushSchedulerQueue);
}
}
}
/* */
var uid$2 = 0;
/**
* A watcher parses an expression, collects dependencies,
* and fires callback when the expression value changes.
* This is used for both the $watch() api and directives.
*/
var Watcher = function Watcher (
vm,
expOrFn,
cb,
options
) {
this.vm = vm;
vm._watchers.push(this);
// options
if (options) {
this.deep = !!options.deep;
this.user = !!options.user;
this.lazy = !!options.lazy;
this.sync = !!options.sync;
} else {
this.deep = this.user = this.lazy = this.sync = false;
}
this.cb = cb;
this.id = ++uid$2; // uid for batching
this.active = true;
this.dirty = this.lazy; // for lazy watchers
this.deps = [];
this.newDeps = [];
this.depIds = new _Set();
this.newDepIds = new _Set();
this.expression = process.env.NODE_ENV !== 'production'
? expOrFn.toString()
: '';
// parse expression for getter
if (typeof expOrFn === 'function') {
this.getter = expOrFn;
} else {
this.getter = parsePath(expOrFn);
if (!this.getter) {
this.getter = function () {};
process.env.NODE_ENV !== 'production' && warn$2(
"Failed watching path: \"" + expOrFn + "\" " +
'Watcher only accepts simple dot-delimited paths. ' +
'For full control, use a function instead.',
vm
);
}
}
this.value = this.lazy
? undefined
: this.get();
};
/**
* Evaluate the getter, and re-collect dependencies.
*/
Watcher.prototype.get = function get () {
pushTarget(this);
var value;
var vm = this.vm;
if (this.user) {
try {
value = this.getter.call(vm, vm);
} catch (e) {
handleError(e, vm, ("getter for watcher \"" + (this.expression) + "\""));
}
} else {
value = this.getter.call(vm, vm);
}
// "touch" every property so they are all tracked as
// dependencies for deep watching
if (this.deep) {
traverse(value);
}
popTarget();
this.cleanupDeps();
return value
};
/**
* Add a dependency to this directive.
*/
Watcher.prototype.addDep = function addDep (dep) {
var id = dep.id;
if (!this.newDepIds.has(id)) {
this.newDepIds.add(id);
this.newDeps.push(dep);
if (!this.depIds.has(id)) {
dep.addSub(this);
}
}
};
/**
* Clean up for dependency collection.
*/
Watcher.prototype.cleanupDeps = function cleanupDeps () {
var this$1 = this;
var i = this.deps.length;
while (i--) {
var dep = this$1.deps[i];
if (!this$1.newDepIds.has(dep.id)) {
dep.removeSub(this$1);
}
}
var tmp = this.depIds;
this.depIds = this.newDepIds;
this.newDepIds = tmp;
this.newDepIds.clear();
tmp = this.deps;
this.deps = this.newDeps;
this.newDeps = tmp;
this.newDeps.length = 0;
};
/**
* Subscriber interface.
* Will be called when a dependency changes.
*/
Watcher.prototype.update = function update () {
/* istanbul ignore else */
if (this.lazy) {
this.dirty = true;
} else if (this.sync) {
this.run();
} else {
queueWatcher(this);
}
};
/**
* Scheduler job interface.
* Will be called by the scheduler.
*/
Watcher.prototype.run = function run () {
if (this.active) {
var value = this.get();
if (
value !== this.value ||
// Deep watchers and watchers on Object/Arrays should fire even
// when the value is the same, because the value may
// have mutated.
isObject(value) ||
this.deep
) {
// set new value
var oldValue = this.value;
this.value = value;
if (this.user) {
try {
this.cb.call(this.vm, value, oldValue);
} catch (e) {
handleError(e, this.vm, ("callback for watcher \"" + (this.expression) + "\""));
}
} else {
this.cb.call(this.vm, value, oldValue);
}
}
}
};
/**
* Evaluate the value of the watcher.
* This only gets called for lazy watchers.
*/
Watcher.prototype.evaluate = function evaluate () {
this.value = this.get();
this.dirty = false;
};
/**
* Depend on all deps collected by this watcher.
*/
Watcher.prototype.depend = function depend () {
var this$1 = this;
var i = this.deps.length;
while (i--) {
this$1.deps[i].depend();
}
};
/**
* Remove self from all dependencies' subscriber list.
*/
Watcher.prototype.teardown = function teardown () {
var this$1 = this;
if (this.active) {
// remove self from vm's watcher list
// this is a somewhat expensive operation so we skip it
// if the vm is being destroyed.
if (!this.vm._isBeingDestroyed) {
remove(this.vm._watchers, this);
}
var i = this.deps.length;
while (i--) {
this$1.deps[i].removeSub(this$1);
}
this.active = false;
}
};
/**
* Recursively traverse an object to evoke all converted
* getters, so that every nested property inside the object
* is collected as a "deep" dependency.
*/
var seenObjects = new _Set();
function traverse (val) {
seenObjects.clear();
_traverse(val, seenObjects);
}
function _traverse (val, seen) {
var i, keys;
var isA = Array.isArray(val);
if ((!isA && !isObject(val)) || !Object.isExtensible(val)) {
return
}
if (val.__ob__) {
var depId = val.__ob__.dep.id;
if (seen.has(depId)) {
return
}
seen.add(depId);
}
if (isA) {
i = val.length;
while (i--) { _traverse(val[i], seen); }
} else {
keys = Object.keys(val);
i = keys.length;
while (i--) { _traverse(val[keys[i]], seen); }
}
}
/* */
var sharedPropertyDefinition = {
enumerable: true,
configurable: true,
get: noop,
set: noop
};
function proxy (target, sourceKey, key) {
sharedPropertyDefinition.get = function proxyGetter () {
return this[sourceKey][key]
};
sharedPropertyDefinition.set = function proxySetter (val) {
this[sourceKey][key] = val;
};
Object.defineProperty(target, key, sharedPropertyDefinition);
}
function initState (vm) {
vm._watchers = [];
var opts = vm.$options;
if (opts.props) { initProps(vm, opts.props); }
if (opts.methods) { initMethods(vm, opts.methods); }
if (opts.data) {
initData(vm);
} else {
observe(vm._data = {}, true /* asRootData */);
}
if (opts.computed) { initComputed(vm, opts.computed); }
if (opts.watch) { initWatch(vm, opts.watch); }
}
var isReservedProp = { key: 1, ref: 1, slot: 1 };
function initProps (vm, propsOptions) {
var propsData = vm.$options.propsData || {};
var props = vm._props = {};
// cache prop keys so that future props updates can iterate using Array
// instead of dynamic object key enumeration.
var keys = vm.$options._propKeys = [];
var isRoot = !vm.$parent;
// root instance props should be converted
observerState.shouldConvert = isRoot;
var loop = function ( key ) {
keys.push(key);
var value = validateProp(key, propsOptions, propsData, vm);
/* istanbul ignore else */
if (process.env.NODE_ENV !== 'production') {
if (isReservedProp[key]) {
warn$2(
("\"" + key + "\" is a reserved attribute and cannot be used as component prop."),
vm
);
}
defineReactive$$1(props, key, value, function () {
if (vm.$parent && !observerState.isSettingProps) {
warn$2(
"Avoid mutating a prop directly since the value will be " +
"overwritten whenever the parent component re-renders. " +
"Instead, use a data or computed property based on the prop's " +
"value. Prop being mutated: \"" + key + "\"",
vm
);
}
});
} else {
defineReactive$$1(props, key, value);
}
// static props are already proxied on the component's prototype
// during Vue.extend(). We only need to proxy props defined at
// instantiation here.
if (!(key in vm)) {
proxy(vm, "_props", key);
}
};
for (var key in propsOptions) loop( key );
observerState.shouldConvert = true;
}
function initData (vm) {
var data = vm.$options.data;
data = vm._data = typeof data === 'function'
? getData(data, vm)
: data || {};
if (!isPlainObject(data)) {
data = {};
process.env.NODE_ENV !== 'production' && warn$2(
'data functions should return an object:\n' +
'https://vuejs.org/v2/guide/components.html#data-Must-Be-a-Function',
vm
);
}
// proxy data on instance
var keys = Object.keys(data);
var props = vm.$options.props;
var i = keys.length;
while (i--) {
if (props && hasOwn(props, keys[i])) {
process.env.NODE_ENV !== 'production' && warn$2(
"The data property \"" + (keys[i]) + "\" is already declared as a prop. " +
"Use prop default value instead.",
vm
);
} else if (!isReserved(keys[i])) {
proxy(vm, "_data", keys[i]);
}
}
// observe data
observe(data, true /* asRootData */);
}
function getData (data, vm) {
try {
return data.call(vm)
} catch (e) {
handleError(e, vm, "data()");
return {}
}
}
var computedWatcherOptions = { lazy: true };
function initComputed (vm, computed) {
var watchers = vm._computedWatchers = Object.create(null);
for (var key in computed) {
var userDef = computed[key];
var getter = typeof userDef === 'function' ? userDef : userDef.get;
if (process.env.NODE_ENV !== 'production') {
if (getter === undefined) {
warn$2(
("No getter function has been defined for computed property \"" + key + "\"."),
vm
);
getter = noop;
}
}
// create internal watcher for the computed property.
watchers[key] = new Watcher(vm, getter, noop, computedWatcherOptions);
// component-defined computed properties are already defined on the
// component prototype. We only need to define computed properties defined
// at instantiation here.
if (!(key in vm)) {
defineComputed(vm, key, userDef);
}
}
}
function defineComputed (target, key, userDef) {
if (typeof userDef === 'function') {
sharedPropertyDefinition.get = createComputedGetter(key);
sharedPropertyDefinition.set = noop;
} else {
sharedPropertyDefinition.get = userDef.get
? userDef.cache !== false
? createComputedGetter(key)
: userDef.get
: noop;
sharedPropertyDefinition.set = userDef.set
? userDef.set
: noop;
}
Object.defineProperty(target, key, sharedPropertyDefinition);
}
function createComputedGetter (key) {
return function computedGetter () {
var watcher = this._computedWatchers && this._computedWatchers[key];
if (watcher) {
if (watcher.dirty) {
watcher.evaluate();
}
if (Dep.target) {
watcher.depend();
}
return watcher.value
}
}
}
function initMethods (vm, methods) {
var props = vm.$options.props;
for (var key in methods) {
vm[key] = methods[key] == null ? noop : bind(methods[key], vm);
if (process.env.NODE_ENV !== 'production') {
if (methods[key] == null) {
warn$2(
"method \"" + key + "\" has an undefined value in the component definition. " +
"Did you reference the function correctly?",
vm
);
}
if (props && hasOwn(props, key)) {
warn$2(
("method \"" + key + "\" has already been defined as a prop."),
vm
);
}
}
}
}
function initWatch (vm, watch) {
for (var key in watch) {
var handler = watch[key];
if (Array.isArray(handler)) {
for (var i = 0; i < handler.length; i++) {
createWatcher(vm, key, handler[i]);
}
} else {
createWatcher(vm, key, handler);
}
}
}
function createWatcher (vm, key, handler) {
var options;
if (isPlainObject(handler)) {
options = handler;
handler = handler.handler;
}
if (typeof handler === 'string') {
handler = vm[handler];
}
vm.$watch(key, handler, options);
}
function stateMixin (Vue) {
// flow somehow has problems with directly declared definition object
// when using Object.defineProperty, so we have to procedurally build up
// the object here.
var dataDef = {};
dataDef.get = function () { return this._data };
var propsDef = {};
propsDef.get = function () { return this._props };
if (process.env.NODE_ENV !== 'production') {
dataDef.set = function (newData) {
warn$2(
'Avoid replacing instance root $data. ' +
'Use nested data properties instead.',
this
);
};
propsDef.set = function () {
warn$2("$props is readonly.", this);
};
}
Object.defineProperty(Vue.prototype, '$data', dataDef);
Object.defineProperty(Vue.prototype, '$props', propsDef);
Vue.prototype.$set = set;
Vue.prototype.$delete = del;
Vue.prototype.$watch = function (
expOrFn,
cb,
options
) {
var vm = this;
options = options || {};
options.user = true;
var watcher = new Watcher(vm, expOrFn, cb, options);
if (options.immediate) {
cb.call(vm, watcher.value);
}
return function unwatchFn () {
watcher.teardown();
}
};
}
/* */
// hooks to be invoked on component VNodes during patch
var componentVNodeHooks = {
init: function init (
vnode,
hydrating,
parentElm,
refElm
) {
if (!vnode.componentInstance || vnode.componentInstance._isDestroyed) {
var child = vnode.componentInstance = createComponentInstanceForVnode(
vnode,
activeInstance,
parentElm,
refElm
);
child.$mount(hydrating ? vnode.elm : undefined, hydrating);
} else if (vnode.data.keepAlive) {
// kept-alive components, treat as a patch
var mountedNode = vnode; // work around flow
componentVNodeHooks.prepatch(mountedNode, mountedNode);
}
},
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) {
if (!vnode.componentInstance._isMounted) {
vnode.componentInstance._isMounted = true;
callHook(vnode.componentInstance, 'mounted');
}
if (vnode.data.keepAlive) {
activateChildComponent(vnode.componentInstance, true /* direct */);
}
},
destroy: function destroy (vnode) {
if (!vnode.componentInstance._isDestroyed) {
if (!vnode.data.keepAlive) {
vnode.componentInstance.$destroy();
} else {
deactivateChildComponent(vnode.componentInstance, true /* direct */);
}
}
}
};
var hooksToMerge = Object.keys(componentVNodeHooks);
function createComponent (
Ctor,
data,
context,
children,
tag
) {
if (!Ctor) {
return
}
var baseCtor = context.$options._base;
if (isObject(Ctor)) {
Ctor = baseCtor.extend(Ctor);
}
if (typeof Ctor !== 'function') {
if (process.env.NODE_ENV !== 'production') {
warn$2(("Invalid Component definition: " + (String(Ctor))), context);
}
return
}
// async component
if (!Ctor.cid) {
if (Ctor.resolved) {
Ctor = Ctor.resolved;
} else {
Ctor = resolveAsyncComponent(Ctor, baseCtor, function () {
// it's ok to queue this on every render because
// $forceUpdate is buffered by the scheduler.
context.$forceUpdate();
});
if (!Ctor) {
// return nothing if this is indeed an async component
// wait for the callback to trigger parent update.
return
}
}
}
// resolve constructor options in case global mixins are applied after
// component constructor creation
resolveConstructorOptions(Ctor);
data = data || {};
// transform component v-model data into props & events
if (data.model) {
transformModel(Ctor.options, data);
}
// extract props
var propsData = extractProps(data, Ctor, tag);
// functional component
if (Ctor.options.functional) {
return createFunctionalComponent(Ctor, propsData, data, context, children)
}
// extract listeners, since these needs to be treated as
// child component listeners instead of DOM listeners
var listeners = data.on;
// replace with listeners with .native modifier
data.on = data.nativeOn;
if (Ctor.options.abstract) {
// abstract components do not keep anything
// other than props & listeners
data = {};
}
// merge component management hooks onto the placeholder node
mergeHooks(data);
// 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 }
);
return vnode
}
function createFunctionalComponent (
Ctor,
propsData,
data,
context,
children
) {
var props = {};
var propOptions = Ctor.options.props;
if (propOptions) {
for (var key in propOptions) {
props[key] = validateProp(key, propOptions, propsData);
}
}
// ensure the createElement function in functional components
// gets a unique context - this is necessary for correct named slot check
var _context = Object.create(context);
var h = function (a, b, c, d) { return createElement(_context, a, b, c, d, true); };
var vnode = Ctor.options.render.call(null, h, {
props: props,
data: data,
parent: context,
children: children,
slots: function () { return resolveSlots(children, context); }
});
if (vnode instanceof VNode) {
vnode.functionalContext = context;
if (data.slot) {
(vnode.data || (vnode.data = {})).slot = data.slot;
}
}
return vnode
}
function createComponentInstanceForVnode (
vnode, // we know it's MountedComponentVNode but flow doesn't
parent, // activeInstance in lifecycle state
parentElm,
refElm
) {
var vnodeComponentOptions = vnode.componentOptions;
var options = {
_isComponent: true,
parent: parent,
propsData: vnodeComponentOptions.propsData,
_componentTag: vnodeComponentOptions.tag,
_parentVnode: vnode,
_parentListeners: vnodeComponentOptions.listeners,
_renderChildren: vnodeComponentOptions.children,
_parentElm: parentElm || null,
_refElm: refElm || null
};
// check inline-template render functions
var inlineTemplate = vnode.data.inlineTemplate;
if (inlineTemplate) {
options.render = inlineTemplate.render;
options.staticRenderFns = inlineTemplate.staticRenderFns;
}
return new vnodeComponentOptions.Ctor(options)
}
function resolveAsyncComponent (
factory,
baseCtor,
cb
) {
if (factory.requested) {
// pool callbacks
factory.pendingCallbacks.push(cb);
} else {
factory.requested = true;
var cbs = factory.pendingCallbacks = [cb];
var sync = true;
var resolve = function (res) {
if (isObject(res)) {
res = baseCtor.extend(res);
}
// cache resolved
factory.resolved = res;
// invoke callbacks only if this is not a synchronous resolve
// (async resolves are shimmed as synchronous during SSR)
if (!sync) {
for (var i = 0, l = cbs.length; i < l; i++) {
cbs[i](res);
}
}
};
var reject = function (reason) {
process.env.NODE_ENV !== 'production' && warn$2(
"Failed to resolve async component: " + (String(factory)) +
(reason ? ("\nReason: " + reason) : '')
);
};
var res = factory(resolve, reject);
// handle promise
if (res && typeof res.then === 'function' && !factory.resolved) {
res.then(resolve, reject);
}
sync = false;
// return in case resolved synchronously
return factory.resolved
}
}
function extractProps (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 (!propOptions) {
return
}
var res = {};
var attrs = data.attrs;
var props = data.props;
var domProps = data.domProps;
if (attrs || props || domProps) {
for (var key in propOptions) {
var altKey = hyphenate(key);
if (process.env.NODE_ENV !== 'production') {
var keyInLowerCase = key.toLowerCase();
if (
key !== keyInLowerCase &&
attrs && attrs.hasOwnProperty(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) ||
checkProp(res, domProps, key, altKey);
}
}
return res
}
function checkProp (
res,
hash,
key,
altKey,
preserve
) {
if (hash) {
if (hasOwn(hash, key)) {
res[key] = hash[key];
if (!preserve) {
delete hash[key];
}
return true
} else if (hasOwn(hash, altKey)) {
res[key] = hash[altKey];
if (!preserve) {
delete hash[altKey];
}
return true
}
}
return false
}
function mergeHooks (data) {
if (!data.hook) {
data.hook = {};
}
for (var i = 0; i < hooksToMerge.length; i++) {
var key = hooksToMerge[i];
var fromParent = data.hook[key];
var ours = componentVNodeHooks[key];
data.hook[key] = fromParent ? mergeHook$1(ours, fromParent) : ours;
}
}
function mergeHook$1 (one, two) {
return function (a, b, c, d) {
one(a, b, c, d);
two(a, b, c, d);
}
}
// 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 (on[event]) {
on[event] = [data.model.callback].concat(on[event]);
} else {
on[event] = data.model.callback;
}
}
/* */
var SIMPLE_NORMALIZE = 1;
var ALWAYS_NORMALIZE = 2;
// 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 (alwaysNormalize) { normalizationType = ALWAYS_NORMALIZE; }
return _createElement(context, tag, data, children, normalizationType)
}
function _createElement (
context,
tag,
data,
children,
normalizationType
) {
if (data && data.__ob__) {
process.env.NODE_ENV !== 'production' && warn$2(
"Avoid using observed data object as vnode data: " + (JSON.stringify(data)) + "\n" +
'Always create fresh vnode data objects in each render!',
context
);
return createEmptyVNode()
}
if (!tag) {
// in case of component :is set to falsy value
return createEmptyVNode()
}
// support single function children as default scoped slot
if (Array.isArray(children) &&
typeof children[0] === 'function') {
data = data || {};
data.scopedSlots = { default: children[0] };
children.length = 0;
}
if (normalizationType === ALWAYS_NORMALIZE) {
children = normalizeChildren(children);
} else if (normalizationType === SIMPLE_NORMALIZE) {
children = simpleNormalizeChildren(children);
}
var vnode, ns;
if (typeof tag === 'string') {
var Ctor;
ns = config.getTagNamespace(tag);
if (config.isReservedTag(tag)) {
// platform built-in elements
vnode = new VNode(
config.parsePlatformTagName(tag), data, children,
undefined, undefined, context
);
} else if ((Ctor = resolveAsset(context.$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);
}
if (vnode) {
if (ns) { applyNS(vnode, ns); }
return vnode
} else {
return createEmptyVNode()
}
}
function applyNS (vnode, ns) {
vnode.ns = ns;
if (vnode.tag === 'foreignObject') {
// use default namespace inside foreignObject
return
}
if (vnode.children) {
for (var i = 0, l = vnode.children.length; i < l; i++) {
var child = vnode.children[i];
if (child.tag && !child.ns) {
applyNS(child, ns);
}
}
}
}
/* */
/**
* Runtime helper for rendering v-for lists.
*/
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);
}
}
return ret
}
/* */
/**
* Runtime helper for rendering <slot>
*/
function renderSlot (
name,
fallback,
props,
bindObject
) {
var scopedSlotFn = this.$scopedSlots[name];
if (scopedSlotFn) { // scoped slot
props = props || {};
if (bindObject) {
extend(props, bindObject);
}
return scopedSlotFn(props) || fallback
} else {
var slotNodes = this.$slots[name];
// warn duplicate slot usage
if (slotNodes && process.env.NODE_ENV !== 'production') {
slotNodes._rendered && warn$2(
"Duplicate presence of slot \"" + name + "\" found in the same render tree " +
"- this will likely cause render errors.",
this
);
slotNodes._rendered = true;
}
return slotNodes || fallback
}
}
/* */
/**
* Runtime helper for resolving filters
*/
function resolveFilter (id) {
return resolveAsset(this.$options, 'filters', id, true) || identity
}
/* */
/**
* Runtime helper for checking keyCodes from config.
*/
function checkKeyCodes (
eventKeyCode,
key,
builtInAlias
) {
var keyCodes = config.keyCodes[key] || builtInAlias;
if (Array.isArray(keyCodes)) {
return keyCodes.indexOf(eventKeyCode) === -1
} else {
return keyCodes !== eventKeyCode
}
}
/* */
/**
* Runtime helper for merging v-bind="object" into a VNode's data.
*/
function bindObjectProps (
data,
tag,
value,
asProp
) {
if (value) {
if (!isObject(value)) {
process.env.NODE_ENV !== 'production' && warn$2(
'v-bind without argument expects an Object or Array value',
this
);
} else {
if (Array.isArray(value)) {
value = toObject(value);
}
var hash;
for (var key in value) {
if (key === 'class' || key === 'style') {
hash = data;
} else {
var type = data.attrs && data.attrs.type;
hash = asProp || config.mustUseProp(tag, type, key)
? data.domProps || (data.domProps = {})
: data.attrs || (data.attrs = {});
}
if (!(key in hash)) {
hash[key] = value[key];
}
}
}
}
return data
}
/* */
/**
* Runtime helper for rendering static trees.
*/
function renderStatic (
index,
isInFor
) {
var tree = this._staticTrees[index];
// if has already-rendered static tree and not inside v-for,
// we can reuse the same tree by doing a shallow clone.
if (tree && !isInFor) {
return Array.isArray(tree)
? cloneVNodes(tree)
: cloneVNode(tree)
}
// otherwise, render a fresh tree.
tree = this._staticTrees[index] =
this.$options.staticRenderFns[index].call(this._renderProxy);
markStatic$1(tree, ("__static__" + index), false);
return tree
}
/**
* Runtime helper for v-once.
* Effectively it means marking the node as static with a unique key.
*/
function markOnce (
tree,
index,
key
) {
markStatic$1(tree, ("__once__" + index + (key ? ("_" + key) : "")), true);
return tree
}
function markStatic$1 (
tree,
key,
isOnce
) {
if (Array.isArray(tree)) {
for (var i = 0; i < tree.length; i++) {
if (tree[i] && typeof tree[i] !== 'string') {
markStaticNode(tree[i], (key + "_" + i), isOnce);
}
}
} else {
markStaticNode(tree, key, isOnce);
}
}
function markStaticNode (node, key, isOnce) {
node.isStatic = true;
node.key = key;
node.isOnce = isOnce;
}
/* */
function initRender (vm) {
vm.$vnode = null; // the placeholder node in parent tree
vm._vnode = null; // the root of the child tree
vm._staticTrees = null;
var parentVnode = vm.$options._parentVnode;
var renderContext = parentVnode && parentVnode.context;
vm.$slots = resolveSlots(vm.$options._renderChildren, renderContext);
vm.$scopedSlots = emptyObject;
// bind the createElement fn to this instance
// so that we get proper render context inside it.
// args order: tag, data, children, normalizationType, alwaysNormalize
// internal version is used by render functions compiled from templates
vm._c = function (a, b, c, d) { return createElement(vm, a, b, c, d, false); };
// normalization is always applied for the public version, used in
// user-written render functions.
vm.$createElement = function (a, b, c, d) { return createElement(vm, a, b, c, d, true); };
}
function renderMixin (Vue) {
Vue.prototype.$nextTick = function (fn) {
return nextTick(fn, this)
};
Vue.prototype._render = function () {
var vm = this;
var ref = vm.$options;
var render = ref.render;
var staticRenderFns = ref.staticRenderFns;
var _parentVnode = ref._parentVnode;
if (vm._isMounted) {
// clone slot nodes on re-renders
for (var key in vm.$slots) {
vm.$slots[key] = cloneVNodes(vm.$slots[key]);
}
}
vm.$scopedSlots = (_parentVnode && _parentVnode.data.scopedSlots) || emptyObject;
if (staticRenderFns && !vm._staticTrees) {
vm._staticTrees = [];
}
// set parent vnode. this allows render functions to have access
// to the data on the placeholder node.
vm.$vnode = _parentVnode;
// render self
var vnode;
try {
vnode = render.call(vm._renderProxy, vm.$createElement);
} catch (e) {
handleError(e, vm, "render function");
// return error render result,
// or previous vnode to prevent render error causing blank component
/* istanbul ignore else */
if (process.env.NODE_ENV !== 'production') {
vnode = vm.$options.renderError
? vm.$options.renderError.call(vm._renderProxy, vm.$createElement, e)
: vm._vnode;
} else {
vnode = vm._vnode;
}
}
// return empty vnode in case the render function errored out
if (!(vnode instanceof VNode)) {
if (process.env.NODE_ENV !== 'production' && Array.isArray(vnode)) {
warn$2(
'Multiple root nodes returned from render function. Render function ' +
'should return a single root node.',
vm
);
}
vnode = createEmptyVNode();
}
// set parent
vnode.parent = _parentVnode;
return vnode
};
// internal render helpers.
// these are exposed on the instance prototype to reduce generated render
// code size.
Vue.prototype._o = markOnce;
Vue.prototype._n = toNumber;
Vue.prototype._s = _toString;
Vue.prototype._l = renderList;
Vue.prototype._t = renderSlot;
Vue.prototype._q = looseEqual;
Vue.prototype._i = looseIndexOf;
Vue.prototype._m = renderStatic;
Vue.prototype._f = resolveFilter;
Vue.prototype._k = checkKeyCodes;
Vue.prototype._b = bindObjectProps;
Vue.prototype._v = createTextVNode;
Vue.prototype._e = createEmptyVNode;
Vue.prototype._u = resolveScopedSlots;
}
/* */
function initProvide (vm) {
var provide = vm.$options.provide;
if (provide) {
vm._provided = typeof provide === 'function'
? provide.call(vm)
: provide;
}
}
function initInjections (vm) {
var inject = vm.$options.inject;
if (inject) {
// inject is :any because flow is not smart enough to figure out cached
// isArray here
var isArray = Array.isArray(inject);
var keys = isArray
? inject
: hasSymbol
? Reflect.ownKeys(inject)
: Object.keys(inject);
var loop = function ( i ) {
var key = keys[i];
var provideKey = isArray ? key : inject[key];
var source = vm;
while (source) {
if (source._provided && provideKey in source._provided) {
/* istanbul ignore else */
if (process.env.NODE_ENV !== 'production') {
defineReactive$$1(vm, key, source._provided[provideKey], function () {
warn$2(
"Avoid mutating an injected value directly since the changes will be " +
"overwritten whenever the provided component re-renders. " +
"injection being mutated: \"" + key + "\"",
vm
);
});
} else {
defineReactive$$1(vm, key, source._provided[provideKey]);
}
break
}
source = source.$parent;
}
};
for (var i = 0; i < keys.length; i++) loop( i );
}
}
/* */
var uid = 0;
function initMixin (Vue) {
Vue.prototype._init = function (options) {
var vm = this;
// a uid
vm._uid = uid++;
var startTag, endTag;
/* istanbul ignore if */
if (process.env.NODE_ENV !== 'production' && config.performance && mark) {
startTag = "vue-perf-init:" + (vm._uid);
endTag = "vue-perf-end:" + (vm._uid);
mark(startTag);
}
// a flag to avoid this being observed
vm._isVue = true;
// merge options
if (options && options._isComponent) {
// optimize internal component instantiation
// since dynamic options merging is pretty slow, and none of the
// internal component options needs special treatment.
initInternalComponent(vm, options);
} else {
vm.$options = mergeOptions(
resolveConstructorOptions(vm.constructor),
options || {},
vm
);
}
/* istanbul ignore else */
if (process.env.NODE_ENV !== 'production') {
initProxy(vm);
} else {
vm._renderProxy = vm;
}
// expose real self
vm._self = vm;
initLifecycle(vm);
initEvents(vm);
initRender(vm);
callHook(vm, 'beforeCreate');
initInjections(vm); // resolve injections before data/props
initState(vm);
initProvide(vm); // resolve provide after data/props
callHook(vm, 'created');
/* istanbul ignore if */
if (process.env.NODE_ENV !== 'production' && config.performance && mark) {
vm._name = formatComponentName(vm, false);
mark(endTag);
measure(((vm._name) + " init"), startTag, endTag);
}
if (vm.$options.el) {
vm.$mount(vm.$options.el);
}
};
}
function initInternalComponent (vm, options) {
var opts = vm.$options = Object.create(vm.constructor.options);
// doing this because it's faster than dynamic enumeration.
opts.parent = options.parent;
opts.propsData = options.propsData;
opts._parentVnode = options._parentVnode;
opts._parentListeners = options._parentListeners;
opts._renderChildren = options._renderChildren;
opts._componentTag = options._componentTag;
opts._parentElm = options._parentElm;
opts._refElm = options._refElm;
if (options.render) {
opts.render = options.render;
opts.staticRenderFns = options.staticRenderFns;
}
}
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;
}
}
}
return options
}
function resolveModifiedOptions (Ctor) {
var modified;
var latest = Ctor.options;
var sealed = Ctor.sealedOptions;
for (var key in latest) {
if (latest[key] !== sealed[key]) {
if (!modified) { modified = {}; }
modified[key] = dedupe(latest[key], sealed[key]);
}
}
return modified
}
function dedupe (latest, 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];
for (var i = 0; i < latest.length; i++) {
if (sealed.indexOf(latest[i]) < 0) {
res.push(latest[i]);
}
}
return res
} else {
return latest
}
}
function Vue (options) {
if (process.env.NODE_ENV !== 'production' &&
!(this instanceof Vue)) {
warn$2('Vue is a constructor and should be called with the `new` keyword');
}
this._init(options);
}
initMixin(Vue);
stateMixin(Vue);
eventsMixin(Vue);
lifecycleMixin(Vue);
renderMixin(Vue);
/* */
/**
* 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$2(
"option \"" + key + "\" can only be used during instance " +
'creation with the `new` keyword.'
);
}
return defaultStrat(parent, child)
};
}
/**
* 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);
}
}
return to
}
/**
* Data
*/
strats.data = function (
parentVal,
childVal,
vm
) {
if (!vm) {
// in a Vue.extend merge, both should be functions
if (!childVal) {
return parentVal
}
if (typeof childVal !== 'function') {
process.env.NODE_ENV !== 'production' && warn$2(
'The "data" option should be a function ' +
'that returns a per-instance value in component ' +
'definitions.',
vm
);
return parentVal
}
if (!parentVal) {
return childVal
}
// 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(
childVal.call(this),
parentVal.call(this)
)
}
} else if (parentVal || childVal) {
return function mergedInstanceDataFn () {
// instance merge
var instanceData = typeof childVal === 'function'
? childVal.call(vm)
: childVal;
var defaultData = typeof parentVal === 'function'
? parentVal.call(vm)
: undefined;
if (instanceData) {
return mergeData(instanceData, defaultData)
} else {
return defaultData
}
}
}
};
/**
* Hooks and props are merged as arrays.
*/
function mergeHook (
parentVal,
childVal
) {
return childVal
? parentVal
? parentVal.concat(childVal)
: Array.isArray(childVal)
? childVal
: [childVal]
: parentVal
}
config._lifecycleHooks.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.
*/
function mergeAssets (parentVal, childVal) {
var res = Object.create(parentVal || null);
return childVal
? extend(res, childVal)
: res
}
config._assetTypes.forEach(function (type) {
strats[type + 's'] = mergeAssets;
});
/**
* Watchers.
*
* Watchers hashes should not overwrite one
* another, so we merge them as arrays.
*/
strats.watch = function (parentVal, childVal) {
/* istanbul ignore if */
if (!childVal) { return Object.create(parentVal || null) }
if (!parentVal) { return childVal }
var ret = {};
extend(ret, parentVal);
for (var key in childVal) {
var parent = ret[key];
var child = childVal[key];
if (parent && !Array.isArray(parent)) {
parent = [parent];
}
ret[key] = parent
? parent.concat(child)
: [child];
}
return ret
};
/**
* Other object hashes.
*/
strats.props =
strats.methods =
strats.computed = function (parentVal, childVal) {
if (!childVal) { return Object.create(parentVal || null) }
if (!parentVal) { return childVal }
var ret = Object.create(null);
extend(ret, parentVal);
extend(ret, childVal);
return ret
};
/**
* Default strategy.
*/
var defaultStrat = function (parentVal, childVal) {
return childVal === undefined
? parentVal
: childVal
};
/**
* Validate component names
*/
function checkComponents (options) {
for (var key in options.components) {
var lower = key.toLowerCase();
if (isBuiltInTag(lower) || config.isReservedTag(lower)) {
warn$2(
'Do not use built-in or reserved HTML elements as component ' +
'id: ' + key
);
}
}
}
/**
* Ensure all props option syntax are normalized into the
* Object-based format.
*/
function normalizeProps (options) {
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$2('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 };
}
}
options.props = res;
}
/**
* 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 };
}
}
}
}
/**
* Merge two option objects into a new one.
* Core utility used in both instantiation and inheritance.
*/
function mergeOptions (
parent,
child,
vm
) {
if (process.env.NODE_ENV !== 'production') {
checkComponents(child);
}
normalizeProps(child);
normalizeDirectives(child);
var extendsFrom = child.extends;
if (extendsFrom) {
parent = typeof extendsFrom === 'function'
? mergeOptions(parent, extendsFrom.options, vm)
: mergeOptions(parent, extendsFrom, vm);
}
if (child.mixins) {
for (var i = 0, l = child.mixins.length; i < l; i++) {
var mixin = child.mixins[i];
if (mixin.prototype instanceof Vue) {
mixin = mixin.options;
}
parent = mergeOptions(parent, mixin, 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
}
/**
* Resolve an asset.
* This function is used because child instances need access
* to assets defined in its ancestor chain.
*/
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$2(
'Failed to resolve ' + type.slice(0, -1) + ': ' + id,
options
);
}
return res
}
/* */
function validateProp (
key,
propOptions,
propsData,
vm
) {
var prop = propOptions[key];
var absent = !hasOwn(propsData, key);
var value = propsData[key];
// handle boolean props
if (isType(Boolean, prop.type)) {
if (absent && !hasOwn(prop, 'default')) {
value = false;
} else if (!isType(String, prop.type) && (value === '' || value === hyphenate(key))) {
value = true;
}
}
// check default value
if (value === undefined) {
value = getPropDefaultValue(vm, prop, key);
// since the default value is a fresh copy,
// make sure to observe it.
var prevShouldConvert = observerState.shouldConvert;
observerState.shouldConvert = true;
observe(value);
observerState.shouldConvert = prevShouldConvert;
}
if (process.env.NODE_ENV !== 'production') {
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$2(
'Invalid default value for prop "' + key + '": ' +
'Props with type Object/Array must use a factory function ' +
'to return the default value.',
vm
);
}
// the raw prop value was also undefined from previous render,
// return previous default value to avoid unnecessary watcher trigger
if (vm && vm.$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$2(
'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$2(
'Invalid prop: type check failed for prop "' + name + '".' +
' Expected ' + expectedTypes.map(capitalize).join(', ') +
', got ' + Object.prototype.toString.call(value).slice(8, -1) + '.',
vm
);
return
}
var validator = prop.validator;
if (validator) {
if (!validator(value)) {
warn$2(
'Invalid prop: custom validator check failed for prop "' + name + '".',
vm
);
}
}
}
/**
* Assert the type of a value
*/
function assertType (value, type) {
var valid;
var expectedType = getType(type);
if (expectedType === 'String') {
valid = typeof value === (expectedType = 'string');
} else if (expectedType === 'Number') {
valid = typeof value === (expectedType = 'number');
} else if (expectedType === 'Boolean') {
valid = typeof value === (expectedType = 'boolean');
} else if (expectedType === 'Function') {
valid = typeof value === (expectedType = 'function');
} 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]
}
function isType (type, fn) {
if (!Array.isArray(fn)) {
return getType(fn) === getType(type)
}
for (var i = 0, len = fn.length; i < len; i++) {
if (getType(fn[i]) === getType(type)) {
return true
}
}
/* istanbul ignore next */
return false
}
function handleError (err, vm, info) {
if (config.errorHandler) {
config.errorHandler.call(null, err, vm, info);
} else {
if (process.env.NODE_ENV !== 'production') {
warn$2(("Error in " + info + ":"), vm);
}
/* istanbul ignore else */
if (inBrowser && typeof console !== 'undefined') {
console.error(err);
} else {
throw err
}
}
}
/* */
// attributes that should be using props for binding
var acceptValue = makeMap('input,textarea,option,select');
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')
)
};
var isEnumeratedAttr = makeMap('contenteditable,draggable,spellcheck');
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'
);
var isFalsyAttrValue = function (val) {
return val == null || val === false
};
/* */
function genClassForVnode (vnode) {
var data = vnode.data;
var parentNode = vnode;
var childNode = vnode;
while (childNode.componentInstance) {
childNode = childNode.componentInstance._vnode;
if (childNode.data) {
data = mergeClassData(childNode.data, data);
}
}
while ((parentNode = parentNode.parent)) {
if (parentNode.data) {
data = mergeClassData(data, parentNode.data);
}
}
return genClassFromData(data)
}
function mergeClassData (child, parent) {
return {
staticClass: concat(child.staticClass, parent.staticClass),
class: child.class
? [child.class, parent.class]
: parent.class
}
}
function genClassFromData (data) {
var dynamicClass = data.class;
var staticClass = data.staticClass;
if (staticClass || dynamicClass) {
return concat(staticClass, stringifyClass(dynamicClass))
}
/* istanbul ignore next */
return ''
}
function concat (a, b) {
return a ? b ? (a + ' ' + b) : a : (b || '')
}
function stringifyClass (value) {
var res = '';
if (!value) {
return res
}
if (typeof value === 'string') {
return value
}
if (Array.isArray(value)) {
var stringified;
for (var i = 0, l = value.length; i < l; i++) {
if (value[i]) {
if ((stringified = stringifyClass(value[i]))) {
res += stringified + ' ';
}
}
}
return res.slice(0, -1)
}
if (isObject(value)) {
for (var key in value) {
if (value[key]) { res += key + ' '; }
}
return res.slice(0, -1)
}
/* istanbul ignore next */
return res
}
/* */
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,' +
'div,dd,dl,dt,figcaption,figure,hr,img,li,main,ol,p,pre,ul,' +
'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,' +
'content,element,shadow,template'
);
// 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
);
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'
}
}
/* */
/**
* Query an element selector if it's not an element already.
*/
/* */
var baseOptions = {
expectHTML: true,
modules: modules,
directives: directives,
isPreTag: isPreTag,
isUnaryTag: isUnaryTag,
mustUseProp: mustUseProp,
canBeLeftOpenTag: canBeLeftOpenTag,
isReservedTag: isReservedTag,
getTagNamespace: getTagNamespace,
staticKeys: genStaticKeys(modules)
};
var ref = createCompiler(baseOptions);
var compileToFunctions = ref.compileToFunctions;
/* */
var warned = Object.create(null);
var warnOnce = function (msg) {
if (!warned[msg]) {
warned[msg] = true;
console.warn(("\n\u001b[31m" + msg + "\u001b[39m\n"));
}
};
var compilationCache = Object.create(null);
var normalizeRender = function (vm) {
var ref = vm.$options;
var render = ref.render;
var template = ref.template;
if (!render) {
if (template) {
var renderFns = (
compilationCache[template] ||
(compilationCache[template] = compileToFunctions(template))
);
Object.assign(vm.$options, renderFns);
} else {
throw new Error(
("render function or template not defined in component: " + (vm.$options.name || vm.$options._componentTag || 'anonymous'))
)
}
}
};
function renderNode (node, isRoot, context) {
var write = context.write;
var next = context.next;
if (node.componentOptions) {
// check cache hit
var Ctor = node.componentOptions.Ctor;
var getKey = Ctor.options.serverCacheKey;
var name = Ctor.options.name;
var cache = context.cache;
if (getKey && cache && name) {
var key = name + '::' + getKey(node.componentOptions.propsData);
var has = context.has;
var get = context.get;
if (has) {
has(key, function (hit) {
if (hit && get) {
get(key, function (res) { return write(res, next); });
} else {
renderComponentWithCache(node, isRoot, key, context);
}
});
} else if (get) {
get(key, function (res) {
if (res) {
write(res, next);
} else {
renderComponentWithCache(node, isRoot, key, context);
}
});
}
} else {
if (getKey && !cache) {
warnOnce(
"[vue-server-renderer] Component " + (Ctor.options.name || '(anonymous)') + " implemented serverCacheKey, " +
'but no cache was provided to the renderer.'
);
}
if (getKey && !name) {
warnOnce(
"[vue-server-renderer] Components that implement \"serverCacheKey\" " +
"must also define a unique \"name\" option."
);
}
renderComponent(node, isRoot, context);
}
} else {
if (node.tag) {
renderElement(node, isRoot, context);
} else if (node.isComment) {
write(("<!--" + (node.text) + "-->"), next);
} else {
write(node.raw ? node.text : he.escape(String(node.text)), next);
}
}
}
function renderComponent (node, isRoot, context) {
var prevActive = context.activeInstance;
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);
}
function renderComponentWithCache (node, isRoot, key, context) {
var write = context.write;
write.caching = true;
var buffer = write.cacheBuffer;
var bufferIndex = buffer.push('') - 1;
context.renderStates.push({
type: 'ComponentWithCache',
buffer: buffer, bufferIndex: bufferIndex, key: key
});
renderComponent(node, isRoot, context);
}
function renderElement (el, isRoot, context) {
if (isRoot) {
if (!el.data) { el.data = {}; }
if (!el.data.attrs) { el.data.attrs = {}; }
el.data.attrs['server-rendered'] = 'true';
}
var startTag = renderStartingTag(el, context);
var endTag = "</" + (el.tag) + ">";
var write = context.write;
var next = context.next;
if (context.isUnaryTag(el.tag)) {
write(startTag, next);
} else if (!el.children || !el.children.length) {
write(startTag + endTag, next);
} else {
var children = el.children;
context.renderStates.push({
type: 'Element',
rendered: 0,
total: children.length,
endTag: endTag, children: children
});
write(startTag, next);
}
}
function hasAncestorData (node) {
var parentNode = node.parent;
return parentNode && (parentNode.data || hasAncestorData(parentNode))
}
function getVShowDirectiveInfo (node) {
var dir;
var tmp;
while (node) {
if (node.data && node.data.directives) {
tmp = node.data.directives.find(function (dir) { return dir.name === 'show'; });
if (tmp) {
dir = tmp;
}
}
node = node.parent;
}
return dir
}
function renderStartingTag (node, context) {
var markup = "<" + (node.tag);
var directives = context.directives;
var modules = context.modules;
// construct synthetic data for module processing
// because modules like style also produce code by parent VNode data
if (!node.data && hasAncestorData(node)) {
node.data = {};
}
if (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]);
}
}
}
// v-show directive needs to be merged from parent to child
var vshowDirectiveInfo = getVShowDirectiveInfo(node);
if (vshowDirectiveInfo) {
directives.show(node, vshowDirectiveInfo);
}
// apply other modules
for (var i$1 = 0; i$1 < modules.length; i$1++) {
var res = modules[i$1](node);
if (res) {
markup += res;
}
}
}
// attach scoped CSS ID
var scopeId;
var activeInstance = context.activeInstance;
if (activeInstance &&
activeInstance !== node.context &&
(scopeId = activeInstance.$options._scopeId)) {
markup += " " + scopeId;
}
while (node) {
if ((scopeId = node.context.$options._scopeId)) {
markup += " " + scopeId;
}
node = node.parent;
}
return markup + '>'
}
function createRenderFunction (
modules,
directives,
isUnaryTag,
cache
) {
return function render (
component,
write,
done
) {
warned = Object.create(null);
var context = new RenderContext({
activeInstance: component,
write: write, done: done, renderNode: renderNode,
isUnaryTag: isUnaryTag, modules: modules, directives: directives,
cache: cache
});
normalizeRender(component);
renderNode(component._render(), true, context);
}
}
/* */
var HTMLStream = require('vue-ssr-html-stream');
function createRenderer$1 (ref) {
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; });
var template = ref.template;
var cache = ref.cache;
var render = createRenderFunction(modules, directives, isUnaryTag, cache);
var parsedTemplate = template && HTMLStream.parseTemplate(template);
return {
renderToString: function renderToString (
component,
done,
context
) {
var result = '';
var write = createWriteFunction(function (text) {
result += text;
}, done);
try {
render(component, write, function () {
if (parsedTemplate) {
result = HTMLStream.renderTemplate(parsedTemplate, result, context);
}
done(null, result);
});
} catch (e) {
done(e);
}
},
renderToStream: function renderToStream (
component,
context
) {
var renderStream = new RenderStream(function (write, done) {
render(component, write, done);
});
if (!parsedTemplate) {
return renderStream
} else {
var htmlStream = new HTMLStream({
template: parsedTemplate,
context: context
});
renderStream.on('error', function (err) {
htmlStream.emit('error', err);
});
renderStream.pipe(htmlStream);
return htmlStream
}
}
}
}
var vm = require('vm');
var path$1 = require('path');
var resolve = require('resolve');
var NativeModule = require('module');
function createContext (context) {
var sandbox = {
Buffer: Buffer,
console: console,
process: process,
setTimeout: setTimeout,
setInterval: setInterval,
setImmediate: setImmediate,
clearTimeout: clearTimeout,
clearInterval: clearInterval,
clearImmediate: clearImmediate,
__VUE_SSR_CONTEXT__: context
};
sandbox.global = sandbox;
return sandbox
}
function compileModule (files, basedir) {
var compiledScripts = {};
var resolvedModules = {};
function getCompiledScript (filename) {
if (compiledScripts[filename]) {
return compiledScripts[filename]
}
var code = files[filename];
var wrapper = NativeModule.wrap(code);
var script = new vm.Script(wrapper, {
filename: filename,
displayErrors: true
});
compiledScripts[filename] = script;
return script
}
function evaluateModule (filename, context, evaluatedModules) {
if (evaluatedModules[filename]) {
return evaluatedModules[filename]
}
var script = getCompiledScript(filename);
var compiledWrapper = script.runInNewContext(context);
var m = { exports: {}};
var r = function (file) {
file = path$1.join('.', file);
if (files[file]) {
return evaluateModule(file, context, evaluatedModules)
} else if (basedir) {
return require(
resolvedModules[file] ||
(resolvedModules[file] = resolve.sync(file, { basedir: basedir }))
)
} else {
return require(file)
}
};
compiledWrapper.call(m.exports, m.exports, r, m);
var res = Object.prototype.hasOwnProperty.call(m.exports, 'default')
? m.exports.default
: m.exports;
evaluatedModules[filename] = res;
return res
}
return evaluateModule
}
function createBundleRunner (entry, files, basedir) {
var evaluate = compileModule(files, basedir);
return function (_context) {
if ( _context === void 0 ) _context = {};
return new Promise(function (resolve, reject) {
var context = createContext(_context);
var res = evaluate(entry, context, {});
resolve(typeof res === 'function' ? res(_context) : res);
});
}
}
/* */
var SourceMapConsumer = require('source-map').SourceMapConsumer;
var filenameRE = /\(([^)]+\.js):(\d+):(\d+)\)$/;
function createSourceMapConsumers (rawMaps) {
var maps = {};
Object.keys(rawMaps).forEach(function (file) {
maps[file] = new SourceMapConsumer(rawMaps[file]);
});
return maps
}
function rewriteErrorTrace (e, mapConsumers) {
if (e && typeof e.stack === 'string') {
e.stack = e.stack.split('\n').map(function (line) {
return rewriteTraceLine(line, mapConsumers)
}).join('\n');
}
}
function rewriteTraceLine (trace, mapConsumers) {
var m = trace.match(filenameRE);
var map = m && mapConsumers[m[1]];
if (m != null && map) {
var originalPosition = map.originalPositionFor({
line: Number(m[2]),
column: Number(m[3])
});
if (originalPosition.source != null) {
var source = originalPosition.source;
var line = originalPosition.line;
var column = originalPosition.column;
var mappedPosition = "(" + (source.replace(/^webpack:\/\/\//, '')) + ":" + (String(line)) + ":" + (String(column)) + ")";
return trace.replace(filenameRE, mappedPosition)
} else {
return trace
}
} else {
return trace
}
}
/* */
var fs = require('fs');
var path = require('path');
var PassThrough = require('stream').PassThrough;
var INVALID_MSG =
'Invalid server-rendering bundle format. Should be a string ' +
'or a bundle Object of type:\n\n' +
"{\n entry: string;\n files: { [filename: string]: string; };\n maps: { [filename: string]: string; };\n}\n";
// The render bundle can either be a string (single bundled file)
// or a bundle manifest object generated by vue-ssr-webpack-plugin.
function createBundleRendererCreator (createRenderer) {
return function createBundleRenderer (
bundle,
rendererOptions
) {
var renderer = createRenderer(rendererOptions);
var files, entry, maps;
var basedir = rendererOptions && rendererOptions.basedir;
// load bundle if given filepath
if (
typeof bundle === 'string' &&
/\.js(on)?$/.test(bundle) &&
path.isAbsolute(bundle)
) {
if (fs.existsSync(bundle)) {
var isJSON = /\.json$/.test(bundle);
basedir = basedir || path.dirname(bundle);
bundle = fs.readFileSync(bundle, 'utf-8');
if (isJSON) {
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)
}
var run = createBundleRunner(entry, files, basedir);
return {
renderToString: function (context, cb) {
if (typeof context === 'function') {
cb = context;
context = {};
}
run(context).catch(function (err) {
rewriteErrorTrace(err, maps);
cb(err);
}).then(function (app) {
if (app) {
renderer.renderToString(app, function (err, res) {
rewriteErrorTrace(err, maps);
cb(err, res);
}, context);
}
});
},
renderToStream: function (context) {
var res = new PassThrough();
run(context).catch(function (err) {
rewriteErrorTrace(err, maps);
// avoid emitting synchronously before user can
// attach error listener
process.nextTick(function () {
res.emit('error', err);
});
}).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);
}
});
return res
}
}
}
}
/* */
function renderAttrs (node) {
var attrs = node.data.attrs;
var res = '';
var parent = node.parent;
while (parent) {
if (parent.data && parent.data.attrs) {
attrs = Object.assign({}, attrs, parent.data.attrs);
}
parent = parent.parent;
}
if (!attrs) {
return res
}
for (var key in attrs) {
if (key === 'style') {
// leave it to the style module
continue
}
res += renderAttr(key, attrs[key]);
}
return res
}
function renderAttr (key, value) {
if (isBooleanAttr(key)) {
if (!isFalsyAttrValue(value)) {
return (" " + key + "=\"" + key + "\"")
}
} else if (isEnumeratedAttr(key)) {
return (" " + key + "=\"" + (isFalsyAttrValue(value) || value === 'false' ? 'false' : 'true') + "\"")
} else if (!isFalsyAttrValue(value)) {
return (" " + key + "=\"" + value + "\"")
}
return ''
}
/* */
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'
};
/* */
function renderDOMProps (node) {
var props = node.data.domProps;
var res = '';
var parent = node.parent;
while (parent) {
if (parent.data && parent.data.domProps) {
props = Object.assign({}, props, parent.data.domProps);
}
parent = parent.parent;
}
if (!props) {
return res
}
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);
} else {
var attr = propsToAttrMap[key] || key.toLowerCase();
if (isRenderableAttr(attr) &&
// avoid rendering double-bound props/attrs twice
!(attrs && attrs[attr])) {
res += renderAttr(attr, props[key]);
}
}
}
return res
}
function setText (node, text, raw) {
var child = new VNode(undefined, undefined, undefined, text);
child.raw = raw;
node.children = [child];
}
/* */
function renderClass (node) {
var classList = genClassForVnode(node);
if (classList) {
return (" class=\"" + classList + "\"")
}
}
/* */
function genStyleText (vnode) {
var styleText = '';
var style = getStyle(vnode, false);
for (var key in style) {
styleText += (hyphenate(key)) + ":" + (style[key]) + ";";
}
return styleText
}
function renderStyle (vnode) {
var styleText = genStyleText(vnode);
if (styleText) {
return (" style=" + (JSON.stringify(styleText)))
}
}
var modules$1 = [
renderAttrs,
renderDOMProps,
renderClass,
renderStyle
];
/* */
function show (node, dir) {
if (!dir.value) {
var style = node.data.style || (node.data.style = {});
style.display = 'none';
}
}
var baseDirectives$1 = {
show: show
};
/* */
process.env.VUE_ENV = 'server';
function createRenderer$$1 (options) {
if ( options === void 0 ) options = {};
return createRenderer$1({
isUnaryTag: isUnaryTag,
canBeLeftOpenTag: canBeLeftOpenTag,
modules: modules$1,
// user can provide server-side implementations for custom directives
// when creating the renderer.
directives: Object.assign(baseDirectives$1, options.directives),
// component cache (optional)
cache: options.cache,
// page template (optional)
template: options.template
})
}
var createBundleRenderer = createBundleRendererCreator(createRenderer$$1);
exports.createRenderer = createRenderer$$1;
exports.createBundleRenderer = createBundleRenderer;