vue/packages/vue-server-renderer/build.js
2016-09-28 20:37:32 -04:00

5633 lines
138 KiB
JavaScript

'use strict';
Object.defineProperty(exports, '__esModule', { value: true });
function _interopDefault (ex) { return (ex && (typeof ex === 'object') && 'default' in ex) ? ex['default'] : ex; }
var stream = require('stream');
var stream__default = _interopDefault(stream);
var entities = require('entities');
var NativeModule = _interopDefault(require('module'));
var vm = _interopDefault(require('vm'));
/* */
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 implmentation 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 RenderStream = (function (superclass) {
function RenderStream (render) {
var this$1 = this;
superclass.call(this)
this.buffer = ''
this.render = render
this.expectedSize = 0
this.stackDepth = 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__default.Readable));
/* */
/**
* 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, 10)
return (n || n === 0) ? n : val
}
/**
* 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-delmited 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; }
/**
* 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) {
/* eslint-disable eqeqeq */
return a == b || (
isObject(a) && isObject(b)
? JSON.stringify(a) === JSON.stringify(b)
: false
)
/* eslint-enable eqeqeq */
}
function looseIndexOf (arr, val) {
for (var i = 0; i < arr.length; i++) {
if (looseEqual(arr[i], val)) { return i }
}
return -1
}
/* */
/* globals MutationObserver */
// can we use __proto__?
var hasProto = '__proto__' in {}
// Browser environment sniffing
var inBrowser =
typeof window !== 'undefined' &&
Object.prototype.toString.call(window) !== '[object Object]'
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)
// detect devtools
var devtools = inBrowser && window.__VUE_DEVTOOLS_GLOBAL_HOOK__
/* istanbul ignore next */
function isNative (Ctor) {
return /native code/.test(Ctor.toString())
}
/**
* 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()
timerFunc = function () {
p.then(nextTickHandler)
// 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)) {
// use MutationObserver where native Promise is not available,
// e.g. 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 = setTimeout
}
return function queueNextTick (cb, ctx) {
var func = ctx
? function () { cb.call(ctx) }
: cb
callbacks.push(func)
if (!pending) {
pending = true
timerFunc(nextTickHandler, 0)
}
}
})()
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] !== undefined
};
Set.prototype.add = function add (key) {
this.set[key] = 1
};
Set.prototype.clear = function clear () {
this.set = Object.create(null)
};
return Set;
}())
}
/* */
var config = {
/**
* Option merge strategies (used in core/util/options)
*/
optionMergeStrategies: Object.create(null),
/**
* Whether to suppress warnings.
*/
silent: false,
/**
* Whether to enable devtools
*/
devtools: process.env.NODE_ENV !== 'production',
/**
* Error handler for watcher errors
*/
errorHandler: null,
/**
* Ignore certain custom elements
*/
ignoredElements: null,
/**
* 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,
/**
* 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,
/**
* Server rendering?
*/
_isServer: process.env.VUE_ENV === 'server'
}
var warn = noop
var formatComponentName
if (process.env.NODE_ENV !== 'production') {
var hasConsole = typeof console !== 'undefined'
warn = function (msg, vm$$1) {
if (hasConsole && (!config.silent)) {
console.error("[Vue warn]: " + msg + " " + (
vm$$1 ? formatLocation(formatComponentName(vm$$1)) : ''
))
}
}
formatComponentName = function (vm$$1) {
if (vm$$1.$root === vm$$1) {
return 'root instance'
}
var name = vm$$1._isVue
? vm$$1.$options.name || vm$$1.$options._componentTag
: vm$$1.name
return name ? ("component <" + name + ">") : "anonymous component"
}
var formatLocation = function (str) {
if (str === 'anonymous component') {
str += " - use the \"name\" option for better debugging messages."
}
return ("(found in " + str + ")")
}
}
/* */
/**
* 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
} else {
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 hasProxy;
var proxyHandlers;
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
)
hasProxy =
typeof Proxy !== 'undefined' &&
Proxy.toString().match(/native code/)
proxyHandlers = {
has: function has (target, key) {
var has = key in target
var isAllowed = allowedGlobals(key) || key.charAt(0) === '_'
if (!has && !isAllowed) {
warn(
"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
)
}
return has || !isAllowed
}
}
initProxy = function initProxy (vm$$1) {
if (hasProxy) {
vm$$1._renderProxy = new Proxy(vm$$1, proxyHandlers)
} else {
vm$$1._renderProxy = vm$$1
}
}
}
/* */
var uid$2 = 0
/**
* A dep is an observable that can have multiple
* directives subscribing to it.
*/
var Dep = function Dep () {
this.id = uid$2++
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 () {
// stablize 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 queue = []
var has$1 = {}
var circular = {}
var waiting = false
var flushing = false
var index = 0
/**
* Reset the scheduler's state.
*/
function resetSchedulerState () {
queue.length = 0
has$1 = {}
if (process.env.NODE_ENV !== 'production') {
circular = {}
}
waiting = flushing = false
}
/**
* Flush both queues and run the watchers.
*/
function flushSchedulerQueue () {
flushing = true
// 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 = 0; index < queue.length; index++) {
var watcher = queue[index]
var id = watcher.id
has$1[id] = null
watcher.run()
// in dev build, check and stop circular updates.
if (process.env.NODE_ENV !== 'production' && has$1[id] != null) {
circular[id] = (circular[id] || 0) + 1
if (circular[id] > config._maxUpdateCount) {
warn(
'You may have an infinite update loop ' + (
watcher.user
? ("in watcher with expression \"" + (watcher.expression) + "\"")
: "in a component render function."
),
watcher.vm
)
break
}
}
}
// devtool hook
/* istanbul ignore if */
if (devtools && config.devtools) {
devtools.emit('flush')
}
resetSchedulerState()
}
/**
* 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$1[id] == null) {
has$1[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, 0, watcher)
}
// queue the flush
if (!waiting) {
waiting = true
nextTick(flushSchedulerQueue)
}
}
}
/* */
var uid$1 = 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$$1,
expOrFn,
cb,
options
) {
if ( options === void 0 ) options = {};
this.vm = vm$$1
vm$$1._watchers.push(this)
// options
this.deep = !!options.deep
this.user = !!options.user
this.lazy = !!options.lazy
this.sync = !!options.sync
this.expression = expOrFn.toString()
this.cb = cb
this.id = ++uid$1 // 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()
// 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(
"Failed watching path: \"" + expOrFn + "\" " +
'Watcher only accepts simple dot-delimited paths. ' +
'For full control, use a function instead.',
vm$$1
)
}
}
this.value = this.lazy
? undefined
: this.get()
};
/**
* Evaluate the getter, and re-collect dependencies.
*/
Watcher.prototype.get = function get () {
pushTarget(this)
var value = this.getter.call(this.vm, this.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) {
process.env.NODE_ENV !== 'production' && warn(
("Error in watcher \"" + (this.expression) + "\""),
this.vm
)
/* istanbul ignore else */
if (config.errorHandler) {
config.errorHandler.call(null, e, this.vm)
} else {
throw e
}
}
} 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' subcriber 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 or is performing a v-for
// re-render (the watcher list is then filtered by v-for).
if (!this.vm._isBeingDestroyed && !this.vm._vForRemoving) {
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, seen) {
var i, keys
if (!seen) {
seen = seenObjects
seen.clear()
}
var isA = Array.isArray(val)
var isO = isObject(val)
if ((isA || isO) && Object.isExtensible(val)) {
if (val.__ob__) {
var depId = val.__ob__.dep.id
if (seen.has(depId)) {
return
} else {
seen.add(depId)
}
}
if (isA) {
i = val.length
while (i--) { traverse(val[i], seen) }
} else if (isO) {
keys = Object.keys(val)
i = keys.length
while (i--) { traverse(val[keys[i]], seen) }
}
}
}
/*
* 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) {
if (!isObject(value)) {
return
}
var ob
if (hasOwn(value, '__ob__') && value.__ob__ instanceof Observer) {
ob = value.__ob__
} else if (
observerState.shouldConvert &&
!config._isServer &&
(Array.isArray(value) || isPlainObject(value)) &&
Object.isExtensible(value) &&
!value._isVue
) {
ob = new Observer(value)
}
return ob
}
/**
* Define a reactive property on an Object.
*/
function defineReactive$$1 (
obj,
key,
val,
customSetter
) {
var dep = new Dep()
var property = Object.getOwnPropertyDescriptor(obj, key)
if (property && property.configurable === false) {
return
}
// cater for pre-defined getter/setters
var getter = property && property.get
var setter = property && property.set
var childOb = observe(val)
Object.defineProperty(obj, key, {
enumerable: true,
configurable: true,
get: function reactiveGetter () {
var value = getter ? getter.call(obj) : val
if (Dep.target) {
dep.depend()
if (childOb) {
childOb.dep.depend()
}
if (Array.isArray(value)) {
for (var e = void 0, i = 0, l = value.length; i < l; i++) {
e = value[i]
e && e.__ob__ && e.__ob__.dep.depend()
}
}
}
return value
},
set: function reactiveSetter (newVal) {
var value = getter ? getter.call(obj) : val
if (newVal === value) {
return
}
if (process.env.NODE_ENV !== 'production' && customSetter) {
customSetter()
}
if (setter) {
setter.call(obj, newVal)
} else {
val = newVal
}
childOb = observe(newVal)
dep.notify()
}
})
}
/**
* Set a property on an object. Adds the new property and
* triggers change notification if the property doesn't
* already exist.
*/
function set (obj, key, val) {
if (Array.isArray(obj)) {
obj.splice(key, 1, val)
return val
}
if (hasOwn(obj, key)) {
obj[key] = val
return
}
var ob = obj.__ob__
if (obj._isVue || (ob && ob.vmCount)) {
process.env.NODE_ENV !== 'production' && warn(
'Avoid adding reactive properties to a Vue instance or its root $data ' +
'at runtime - declare it upfront in the data option.'
)
return
}
if (!ob) {
obj[key] = val
return
}
defineReactive$$1(ob.value, key, val)
ob.dep.notify()
return val
}
/**
* Delete a property and trigger change if necessary.
*/
function del (obj, key) {
var ob = obj.__ob__
if (obj._isVue || (ob && ob.vmCount)) {
process.env.NODE_ENV !== 'production' && warn(
'Avoid deleting properties on a Vue instance or its root $data ' +
'- just set it to null.'
)
return
}
if (!hasOwn(obj, key)) {
return
}
delete obj[key]
if (!ob) {
return
}
ob.dep.notify()
}
/* */
function initState (vm$$1) {
vm$$1._watchers = []
initProps(vm$$1)
initData(vm$$1)
initComputed(vm$$1)
initMethods(vm$$1)
initWatch(vm$$1)
}
function initProps (vm$$1) {
var props = vm$$1.$options.props
if (props) {
var propsData = vm$$1.$options.propsData || {}
var keys = vm$$1.$options._propKeys = Object.keys(props)
var isRoot = !vm$$1.$parent
// root instance props should be converted
observerState.shouldConvert = isRoot
var loop = function ( i ) {
var key = keys[i]
/* istanbul ignore else */
if (process.env.NODE_ENV !== 'production') {
defineReactive$$1(vm$$1, key, validateProp(key, props, propsData, vm$$1), function () {
if (vm$$1.$parent && !observerState.isSettingProps) {
warn(
"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$$1
)
}
})
} else {
defineReactive$$1(vm$$1, key, validateProp(key, props, propsData, vm$$1))
}
};
for (var i = 0; i < keys.length; i++) loop( i );
observerState.shouldConvert = true
}
}
function initData (vm$$1) {
var data = vm$$1.$options.data
data = vm$$1._data = typeof data === 'function'
? data.call(vm$$1)
: data || {}
if (!isPlainObject(data)) {
data = {}
process.env.NODE_ENV !== 'production' && warn(
'data functions should return an object.',
vm$$1
)
}
// proxy data on instance
var keys = Object.keys(data)
var props = vm$$1.$options.props
var i = keys.length
while (i--) {
if (props && hasOwn(props, keys[i])) {
process.env.NODE_ENV !== 'production' && warn(
"The data property \"" + (keys[i]) + "\" is already declared as a prop. " +
"Use prop default value instead.",
vm$$1
)
} else {
proxy(vm$$1, keys[i])
}
}
// observe data
observe(data)
data.__ob__ && data.__ob__.vmCount++
}
var computedSharedDefinition = {
enumerable: true,
configurable: true,
get: noop,
set: noop
}
function initComputed (vm$$1) {
var computed = vm$$1.$options.computed
if (computed) {
for (var key in computed) {
var userDef = computed[key]
if (typeof userDef === 'function') {
computedSharedDefinition.get = makeComputedGetter(userDef, vm$$1)
computedSharedDefinition.set = noop
} else {
computedSharedDefinition.get = userDef.get
? userDef.cache !== false
? makeComputedGetter(userDef.get, vm$$1)
: bind(userDef.get, vm$$1)
: noop
computedSharedDefinition.set = userDef.set
? bind(userDef.set, vm$$1)
: noop
}
Object.defineProperty(vm$$1, key, computedSharedDefinition)
}
}
}
function makeComputedGetter (getter, owner) {
var watcher = new Watcher(owner, getter, noop, {
lazy: true
})
return function computedGetter () {
if (watcher.dirty) {
watcher.evaluate()
}
if (Dep.target) {
watcher.depend()
}
return watcher.value
}
}
function initMethods (vm$$1) {
var methods = vm$$1.$options.methods
if (methods) {
for (var key in methods) {
if (methods[key] != null) {
vm$$1[key] = bind(methods[key], vm$$1)
} else if (process.env.NODE_ENV !== 'production') {
warn(("Method \"" + key + "\" is undefined in options."), vm$$1)
}
}
}
}
function initWatch (vm$$1) {
var watch = vm$$1.$options.watch
if (watch) {
for (var key in watch) {
var handler = watch[key]
if (Array.isArray(handler)) {
for (var i = 0; i < handler.length; i++) {
createWatcher(vm$$1, key, handler[i])
}
} else {
createWatcher(vm$$1, key, handler)
}
}
}
}
function createWatcher (vm$$1, key, handler) {
var options
if (isPlainObject(handler)) {
options = handler
handler = handler.handler
}
if (typeof handler === 'string') {
handler = vm$$1[handler]
}
vm$$1.$watch(key, handler, options)
}
function stateMixin (Vue) {
// flow somehow has problems with directly declared definition object
// when using Object.defineProperty, so we have to procedurally build up
// the object here.
var dataDef = {}
dataDef.get = function () {
return this._data
}
if (process.env.NODE_ENV !== 'production') {
dataDef.set = function (newData) {
warn(
'Avoid replacing instance root $data. ' +
'Use nested data properties instead.',
this
)
}
}
Object.defineProperty(Vue.prototype, '$data', dataDef)
Vue.prototype.$set = set
Vue.prototype.$delete = del
Vue.prototype.$watch = function (
expOrFn,
cb,
options
) {
var vm$$1 = this
options = options || {}
options.user = true
var watcher = new Watcher(vm$$1, expOrFn, cb, options)
if (options.immediate) {
cb.call(vm$$1, watcher.value)
}
return function unwatchFn () {
watcher.teardown()
}
}
}
function proxy (vm$$1, key) {
if (!isReserved(key)) {
Object.defineProperty(vm$$1, key, {
configurable: true,
enumerable: true,
get: function proxyGetter () {
return vm$$1._data[key]
},
set: function proxySetter (val) {
vm$$1._data[key] = val
}
})
}
}
/* */
var VNode = function VNode (
tag,
data,
children,
text,
elm,
ns,
context,
componentOptions
) {
this.tag = tag
this.data = data
this.children = children
this.text = text
this.elm = elm
this.ns = ns
this.context = context
this.key = data && data.key
this.componentOptions = componentOptions
this.child = undefined
this.parent = undefined
this.raw = false
this.isStatic = false
this.isRootInsert = true
this.isComment = false
this.isCloned = false
};
var emptyVNode = function () {
var node = new VNode()
node.text = ''
node.isComment = true
return node
}
// 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.ns,
vnode.context,
vnode.componentOptions
)
cloned.isStatic = vnode.isStatic
cloned.key = vnode.key
cloned.isCloned = true
return cloned
}
function cloneVNodes (vnodes) {
var res = new Array(vnodes.length)
for (var i = 0; i < vnodes.length; i++) {
res[i] = cloneVNode(vnodes[i])
}
return res
}
/* */
function normalizeChildren (
children,
ns,
nestedIndex
) {
if (isPrimitive(children)) {
return [createTextVNode(children)]
}
if (Array.isArray(children)) {
var res = []
for (var i = 0, l = children.length; i < l; i++) {
var c = children[i]
var last = res[res.length - 1]
// nested
if (Array.isArray(c)) {
res.push.apply(res, normalizeChildren(c, ns, 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 instanceof VNode) {
if (c.text && last && last.text) {
last.text += c.text
} else {
// inherit parent namespace
if (ns) {
applyNS(c, ns)
}
// default key for nested array children (likely generated by v-for)
if (c.key == null && nestedIndex != null) {
c.key = "__vlist_" + nestedIndex + "_" + i + "__"
}
res.push(c)
}
}
}
return res
}
}
function createTextVNode (val) {
return new VNode(undefined, undefined, undefined, String(val))
}
function applyNS (vnode, ns) {
if (vnode.tag && !vnode.ns) {
vnode.ns = ns
if (vnode.children) {
for (var i = 0, l = vnode.children.length; i < l; i++) {
applyNS(vnode.children[i], ns)
}
}
}
}
function updateListeners (
on,
oldOn,
add,
remove$$1
) {
var name, cur, old, fn, event, capture
for (name in on) {
cur = on[name]
old = oldOn[name]
if (!cur) {
process.env.NODE_ENV !== 'production' && warn(
("Handler for event \"" + name + "\" is undefined.")
)
} else if (!old) {
capture = name.charAt(0) === '!'
event = capture ? name.slice(1) : name
if (Array.isArray(cur)) {
add(event, (cur.invoker = arrInvoker(cur)), capture)
} else {
if (!cur.invoker) {
fn = cur
cur = on[name] = {}
cur.fn = fn
cur.invoker = fnInvoker(cur)
}
add(event, cur.invoker, capture)
}
} else if (cur !== old) {
if (Array.isArray(old)) {
old.length = cur.length
for (var i = 0; i < old.length; i++) { old[i] = cur[i] }
on[name] = old
} else {
old.fn = cur
on[name] = old
}
}
}
for (name in oldOn) {
if (!on[name]) {
event = name.charAt(0) === '!' ? name.slice(1) : name
remove$$1(event, oldOn[name].invoker)
}
}
}
function arrInvoker (arr) {
return function (ev) {
var arguments$1 = arguments;
var single = arguments.length === 1
for (var i = 0; i < arr.length; i++) {
single ? arr[i](ev) : arr[i].apply(null, arguments$1)
}
}
}
function fnInvoker (o) {
return function (ev) {
var single = arguments.length === 1
single ? o.fn(ev) : o.fn.apply(null, arguments)
}
}
/* */
var activeInstance = null
function initLifecycle (vm$$1) {
var options = vm$$1.$options
// locate first non-abstract parent
var parent = options.parent
if (parent && !options.abstract) {
while (parent.$options.abstract && parent.$parent) {
parent = parent.$parent
}
parent.$children.push(vm$$1)
}
vm$$1.$parent = parent
vm$$1.$root = parent ? parent.$root : vm$$1
vm$$1.$children = []
vm$$1.$refs = {}
vm$$1._watcher = null
vm$$1._inactive = false
vm$$1._isMounted = false
vm$$1._isDestroyed = false
vm$$1._isBeingDestroyed = false
}
function lifecycleMixin (Vue) {
Vue.prototype._mount = function (
el,
hydrating
) {
var vm$$1 = this
vm$$1.$el = el
if (!vm$$1.$options.render) {
vm$$1.$options.render = emptyVNode
if (process.env.NODE_ENV !== 'production') {
/* istanbul ignore if */
if (vm$$1.$options.template) {
warn(
'You are using the runtime-only build of Vue where the template ' +
'option is not available. Either pre-compile the templates into ' +
'render functions, or use the compiler-included build.',
vm$$1
)
} else {
warn(
'Failed to mount component: template or render function not defined.',
vm$$1
)
}
}
}
callHook(vm$$1, 'beforeMount')
vm$$1._watcher = new Watcher(vm$$1, function () {
vm$$1._update(vm$$1._render(), hydrating)
}, noop)
hydrating = false
// root instance, call mounted on self
// mounted is called for child components in its inserted hook
if (vm$$1.$root === vm$$1) {
vm$$1._isMounted = true
callHook(vm$$1, 'mounted')
}
return vm$$1
}
Vue.prototype._update = function (vnode, hydrating) {
var vm$$1 = this
if (vm$$1._isMounted) {
callHook(vm$$1, 'beforeUpdate')
}
var prevEl = vm$$1.$el
var prevActiveInstance = activeInstance
activeInstance = vm$$1
var prevVnode = vm$$1._vnode
vm$$1._vnode = vnode
if (!prevVnode) {
// Vue.prototype.__patch__ is injected in entry points
// based on the rendering backend used.
vm$$1.$el = vm$$1.__patch__(vm$$1.$el, vnode, hydrating)
} else {
vm$$1.$el = vm$$1.__patch__(prevVnode, vnode)
}
activeInstance = prevActiveInstance
// update __vue__ reference
if (prevEl) {
prevEl.__vue__ = null
}
if (vm$$1.$el) {
vm$$1.$el.__vue__ = vm$$1
}
// if parent is an HOC, update its $el as well
if (vm$$1.$vnode && vm$$1.$parent && vm$$1.$vnode === vm$$1.$parent._vnode) {
vm$$1.$parent.$el = vm$$1.$el
}
if (vm$$1._isMounted) {
callHook(vm$$1, 'updated')
}
}
Vue.prototype._updateFromParent = function (
propsData,
listeners,
parentVnode,
renderChildren
) {
var vm$$1 = this
var hasChildren = !!(vm$$1.$options._renderChildren || renderChildren)
vm$$1.$options._parentVnode = parentVnode
vm$$1.$options._renderChildren = renderChildren
// update props
if (propsData && vm$$1.$options.props) {
observerState.shouldConvert = false
if (process.env.NODE_ENV !== 'production') {
observerState.isSettingProps = true
}
var propKeys = vm$$1.$options._propKeys || []
for (var i = 0; i < propKeys.length; i++) {
var key = propKeys[i]
vm$$1[key] = validateProp(key, vm$$1.$options.props, propsData, vm$$1)
}
observerState.shouldConvert = true
if (process.env.NODE_ENV !== 'production') {
observerState.isSettingProps = false
}
}
// update listeners
if (listeners) {
var oldListeners = vm$$1.$options._parentListeners
vm$$1.$options._parentListeners = listeners
vm$$1._updateListeners(listeners, oldListeners)
}
// resolve slots + force update if has children
if (hasChildren) {
vm$$1.$slots = resolveSlots(renderChildren)
vm$$1.$forceUpdate()
}
}
Vue.prototype.$forceUpdate = function () {
var vm$$1 = this
if (vm$$1._watcher) {
vm$$1._watcher.update()
}
}
Vue.prototype.$destroy = function () {
var vm$$1 = this
if (vm$$1._isBeingDestroyed) {
return
}
callHook(vm$$1, 'beforeDestroy')
vm$$1._isBeingDestroyed = true
// remove self from parent
var parent = vm$$1.$parent
if (parent && !parent._isBeingDestroyed && !vm$$1.$options.abstract) {
remove(parent.$children, vm$$1)
}
// teardown watchers
if (vm$$1._watcher) {
vm$$1._watcher.teardown()
}
var i = vm$$1._watchers.length
while (i--) {
vm$$1._watchers[i].teardown()
}
// remove reference from data ob
// frozen object may not have observer.
if (vm$$1._data.__ob__) {
vm$$1._data.__ob__.vmCount--
}
// call the last hook...
vm$$1._isDestroyed = true
callHook(vm$$1, 'destroyed')
// turn off all instance listeners.
vm$$1.$off()
// remove __vue__ reference
if (vm$$1.$el) {
vm$$1.$el.__vue__ = null
}
}
}
function callHook (vm$$1, hook) {
var handlers = vm$$1.$options[hook]
if (handlers) {
for (var i = 0, j = handlers.length; i < j; i++) {
handlers[i].call(vm$$1)
}
}
vm$$1.$emit('hook:' + hook)
}
/* */
var hooks = { init: init, prepatch: prepatch, insert: insert, destroy: destroy }
var hooksToMerge = Object.keys(hooks)
function createComponent (
Ctor,
data,
context,
children,
tag
) {
if (!Ctor) {
return
}
if (isObject(Ctor)) {
Ctor = Vue.extend(Ctor)
}
if (typeof Ctor !== 'function') {
if (process.env.NODE_ENV !== 'production') {
warn(("Invalid Component definition: " + (String(Ctor))), context)
}
return
}
// async component
if (!Ctor.cid) {
if (Ctor.resolved) {
Ctor = Ctor.resolved
} else {
Ctor = resolveAsyncComponent(Ctor, 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
}
}
}
data = data || {}
// extract props
var propsData = extractProps(data, Ctor)
// 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, 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)
}
}
return Ctor.options.render.call(
null,
context.$createElement,
{
props: props,
data: data,
parent: context,
children: normalizeChildren(children),
slots: function () { return resolveSlots(children); }
}
)
}
function createComponentInstanceForVnode (
vnode, // we know it's MountedComponentVNode but flow doesn't
parent // activeInstance in lifecycle state
) {
var vnodeComponentOptions = vnode.componentOptions
var options = {
_isComponent: true,
parent: parent,
propsData: vnodeComponentOptions.propsData,
_componentTag: vnodeComponentOptions.tag,
_parentVnode: vnode,
_parentListeners: vnodeComponentOptions.listeners,
_renderChildren: vnodeComponentOptions.children
}
// check inline-template render functions
var inlineTemplate = vnode.data.inlineTemplate
if (inlineTemplate) {
options.render = inlineTemplate.render
options.staticRenderFns = inlineTemplate.staticRenderFns
}
return new vnodeComponentOptions.Ctor(options)
}
function init (vnode, hydrating) {
if (!vnode.child || vnode.child._isDestroyed) {
var child = vnode.child = createComponentInstanceForVnode(vnode, activeInstance)
child.$mount(hydrating ? vnode.elm : undefined, hydrating)
}
}
function prepatch (
oldVnode,
vnode
) {
var options = vnode.componentOptions
var child = vnode.child = oldVnode.child
child._updateFromParent(
options.propsData, // updated props
options.listeners, // updated listeners
vnode, // new parent vnode
options.children // new children
)
}
function insert (vnode) {
if (!vnode.child._isMounted) {
vnode.child._isMounted = true
callHook(vnode.child, 'mounted')
}
if (vnode.data.keepAlive) {
vnode.child._inactive = false
callHook(vnode.child, 'activated')
}
}
function destroy (vnode) {
if (!vnode.child._isDestroyed) {
if (!vnode.data.keepAlive) {
vnode.child.$destroy()
} else {
vnode.child._inactive = true
callHook(vnode.child, 'deactivated')
}
}
}
function resolveAsyncComponent (
factory,
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 = Vue.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(
"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) {
// we are only extrating 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)
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 = hooks[key]
data.hook[key] = fromParent ? mergeHook$1(ours, fromParent) : ours
}
}
function mergeHook$1 (a, b) {
// since all hooks have at most two args, use fixed args
// to avoid having to use fn.apply().
return function (_, __) {
a(_, __)
b(_, __)
}
}
/* */
// wrapper function for providing a more flexible interface
// without getting yelled at by flow
function createElement (
tag,
data,
children
) {
if (data && (Array.isArray(data) || typeof data !== 'object')) {
children = data
data = undefined
}
// make sure to use real instance instead of proxy as context
return _createElement(this._self, tag, data, children)
}
function _createElement (
context,
tag,
data,
children
) {
if (data && data.__ob__) {
process.env.NODE_ENV !== 'production' && warn(
"Avoid using observed data object as vnode data: " + (JSON.stringify(data)) + "\n" +
'Always create fresh vnode data objects in each render!',
context
)
return
}
if (!tag) {
// in case of component :is set to falsy value
return emptyVNode()
}
if (typeof tag === 'string') {
var Ctor
var ns = config.getTagNamespace(tag)
if (config.isReservedTag(tag)) {
// platform built-in elements
return new VNode(
tag, data, normalizeChildren(children, ns),
undefined, undefined, ns, context
)
} else if ((Ctor = resolveAsset(context.$options, 'components', tag))) {
// component
return 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
return new VNode(
tag, data, normalizeChildren(children, ns),
undefined, undefined, ns, context
)
}
} else {
// direct component options / constructor
return createComponent(tag, data, context, children)
}
}
/* */
function initRender (vm$$1) {
vm$$1.$vnode = null // the placeholder node in parent tree
vm$$1._vnode = null // the root of the child tree
vm$$1._staticTrees = null
vm$$1.$slots = resolveSlots(vm$$1.$options._renderChildren)
// bind the public createElement fn to this instance
// so that we get proper render context inside it.
vm$$1.$createElement = bind(createElement, vm$$1)
if (vm$$1.$options.el) {
vm$$1.$mount(vm$$1.$options.el)
}
}
function renderMixin (Vue) {
Vue.prototype.$nextTick = function (fn) {
nextTick(fn, this)
}
Vue.prototype._render = function () {
var vm$$1 = this
var ref = vm$$1.$options;
var render = ref.render;
var staticRenderFns = ref.staticRenderFns;
var _parentVnode = ref._parentVnode;
if (vm$$1._isMounted) {
// clone slot nodes on re-renders
for (var key in vm$$1.$slots) {
vm$$1.$slots[key] = cloneVNodes(vm$$1.$slots[key])
}
}
if (staticRenderFns && !vm$$1._staticTrees) {
vm$$1._staticTrees = []
}
// set parent vnode. this allows render functions to have access
// to the data on the placeholder node.
vm$$1.$vnode = _parentVnode
// render self
var vnode
try {
vnode = render.call(vm$$1._renderProxy, vm$$1.$createElement)
} catch (e) {
if (process.env.NODE_ENV !== 'production') {
warn(("Error when rendering " + (formatComponentName(vm$$1)) + ":"))
}
/* istanbul ignore else */
if (config.errorHandler) {
config.errorHandler.call(null, e, vm$$1)
} else {
if (config._isServer) {
throw e
} else {
setTimeout(function () { throw e }, 0)
}
}
// return previous vnode to prevent render error causing blank component
vnode = vm$$1._vnode
}
// return empty vnode in case the render function errored out
if (!(vnode instanceof VNode)) {
if (process.env.NODE_ENV !== 'production' && Array.isArray(vnode)) {
warn(
'Multiple root nodes returned from render function. Render function ' +
'should return a single root node.',
vm$$1
)
}
vnode = emptyVNode()
}
// set parent
vnode.parent = _parentVnode
return vnode
}
// shorthands used in render functions
Vue.prototype._h = createElement
// toString for mustaches
Vue.prototype._s = _toString
// number conversion
Vue.prototype._n = toNumber
// empty vnode
Vue.prototype._e = emptyVNode
// loose equal
Vue.prototype._q = looseEqual
// loose indexOf
Vue.prototype._i = looseIndexOf
// render static tree by index
Vue.prototype._m = 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.$options.staticRenderFns[index].call(this._renderProxy)
if (Array.isArray(tree)) {
for (var i = 0; i < tree.length; i++) {
tree[i].isStatic = true
tree[i].key = "__static__" + index + "_" + i
}
} else {
tree.isStatic = true
tree.key = "__static__" + index
}
return tree
}
// filter resolution helper
var identity = function (_) { return _; }
Vue.prototype._f = function resolveFilter (id) {
return resolveAsset(this.$options, 'filters', id, true) || identity
}
// render v-for
Vue.prototype._l = function renderList (
val,
render
) {
var ret, i, l, keys, key
if (Array.isArray(val)) {
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
}
// renderSlot
Vue.prototype._t = function (
name,
fallback
) {
var slotNodes = this.$slots[name]
// warn duplicate slot usage
if (slotNodes && process.env.NODE_ENV !== 'production') {
slotNodes._rendered && warn(
"Duplicate presence of slot \"" + name + "\" found in the same render tree " +
"- this will likely cause render errors.",
this
)
slotNodes._rendered = true
}
return slotNodes || fallback
}
// apply v-bind object
Vue.prototype._b = function bindProps (
data,
value,
asProp
) {
if (value) {
if (!isObject(value)) {
process.env.NODE_ENV !== 'production' && warn(
'v-bind without argument expects an Object or Array value',
this
)
} else {
if (Array.isArray(value)) {
value = toObject(value)
}
for (var key in value) {
if (key === 'class' || key === 'style') {
data[key] = value[key]
} else {
var hash = asProp || config.mustUseProp(key)
? data.domProps || (data.domProps = {})
: data.attrs || (data.attrs = {})
hash[key] = value[key]
}
}
}
}
return data
}
// expose v-on keyCodes
Vue.prototype._k = function getKeyCodes (key) {
return config.keyCodes[key]
}
}
function resolveSlots (
renderChildren
) {
var slots = {}
if (!renderChildren) {
return slots
}
var children = normalizeChildren(renderChildren) || []
var defaultSlot = []
var name, child
for (var i = 0, l = children.length; i < l; i++) {
child = children[i]
if (child.data && (name = child.data.slot)) {
delete 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 single whitespace
if (defaultSlot.length && !(
defaultSlot.length === 1 &&
(defaultSlot[0].text === ' ' || defaultSlot[0].isComment)
)) {
slots.default = defaultSlot
}
return slots
}
/* */
function initEvents (vm$$1) {
vm$$1._events = Object.create(null)
// init parent attached events
var listeners = vm$$1.$options._parentListeners
var on = bind(vm$$1.$on, vm$$1)
var off = bind(vm$$1.$off, vm$$1)
vm$$1._updateListeners = function (listeners, oldListeners) {
updateListeners(listeners, oldListeners || {}, on, off)
}
if (listeners) {
vm$$1._updateListeners(listeners)
}
}
function eventsMixin (Vue) {
Vue.prototype.$on = function (event, fn) {
var vm$$1 = this;(vm$$1._events[event] || (vm$$1._events[event] = [])).push(fn)
return vm$$1
}
Vue.prototype.$once = function (event, fn) {
var vm$$1 = this
function on () {
vm$$1.$off(event, on)
fn.apply(vm$$1, arguments)
}
on.fn = fn
vm$$1.$on(event, on)
return vm$$1
}
Vue.prototype.$off = function (event, fn) {
var vm$$1 = this
// all
if (!arguments.length) {
vm$$1._events = Object.create(null)
return vm$$1
}
// specific event
var cbs = vm$$1._events[event]
if (!cbs) {
return vm$$1
}
if (arguments.length === 1) {
vm$$1._events[event] = null
return vm$$1
}
// specific handler
var cb
var i = cbs.length
while (i--) {
cb = cbs[i]
if (cb === fn || cb.fn === fn) {
cbs.splice(i, 1)
break
}
}
return vm$$1
}
Vue.prototype.$emit = function (event) {
var vm$$1 = this
var cbs = vm$$1._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$$1, args)
}
}
return vm$$1
}
}
/* */
var uid = 0
function initMixin (Vue) {
Vue.prototype._init = function (options) {
var vm$$1 = this
// a uid
vm$$1._uid = uid++
// a flag to avoid this being observed
vm$$1._isVue = true
// merge options
if (options && options._isComponent) {
// optimize internal component instantiation
// since dynamic options merging is pretty slow, and none of the
// internal component options needs special treatment.
initInternalComponent(vm$$1, options)
} else {
vm$$1.$options = mergeOptions(
resolveConstructorOptions(vm$$1),
options || {},
vm$$1
)
}
/* istanbul ignore else */
if (process.env.NODE_ENV !== 'production') {
initProxy(vm$$1)
} else {
vm$$1._renderProxy = vm$$1
}
// expose real self
vm$$1._self = vm$$1
initLifecycle(vm$$1)
initEvents(vm$$1)
callHook(vm$$1, 'beforeCreate')
initState(vm$$1)
callHook(vm$$1, 'created')
initRender(vm$$1)
}
function initInternalComponent (vm$$1, options) {
var opts = vm$$1.$options = Object.create(resolveConstructorOptions(vm$$1))
// doing this because it's faster than dynamic enumeration.
opts.parent = options.parent
opts.propsData = options.propsData
opts._parentVnode = options._parentVnode
opts._parentListeners = options._parentListeners
opts._renderChildren = options._renderChildren
opts._componentTag = options._componentTag
if (options.render) {
opts.render = options.render
opts.staticRenderFns = options.staticRenderFns
}
}
function resolveConstructorOptions (vm$$1) {
var Ctor = vm$$1.constructor
var options = Ctor.options
if (Ctor.super) {
var superOptions = Ctor.super.options
var cachedSuperOptions = Ctor.superOptions
if (superOptions !== cachedSuperOptions) {
// super option changed
Ctor.superOptions = superOptions
options = Ctor.options = mergeOptions(superOptions, Ctor.extendOptions)
if (options.name) {
options.components[options.name] = Ctor
}
}
}
return options
}
}
function Vue (options) {
if (process.env.NODE_ENV !== 'production' &&
!(this instanceof Vue)) {
warn('Vue is a constructor and should be called with the `new` keyword')
}
this._init(options)
}
initMixin(Vue)
stateMixin(Vue)
eventsMixin(Vue)
lifecycleMixin(Vue)
renderMixin(Vue)
/* */
/**
* Option overwriting strategies are functions that handle
* how to merge a parent option value and a child option
* value into the final value.
*/
var strats = config.optionMergeStrategies
/**
* Options with restrictions
*/
if (process.env.NODE_ENV !== 'production') {
strats.el = strats.propsData = function (parent, child, vm$$1, key) {
if (!vm$$1) {
warn(
"option \"" + key + "\" can only be used during instance " +
'creation with the `new` keyword.'
)
}
return defaultStrat(parent, child)
}
strats.name = function (parent, child, vm$$1) {
if (vm$$1 && child) {
warn(
'options "name" can only be used as a component definition option, ' +
'not during instance creation.'
)
}
return defaultStrat(parent, child)
}
}
/**
* Helper that recursively merges two data objects together.
*/
function mergeData (to, from) {
var key, toVal, fromVal
for (key in from) {
toVal = to[key]
fromVal = from[key]
if (!hasOwn(to, key)) {
set(to, key, fromVal)
} else if (isObject(toVal) && isObject(fromVal)) {
mergeData(toVal, fromVal)
}
}
return to
}
/**
* Data
*/
strats.data = function (
parentVal,
childVal,
vm$$1
) {
if (!vm$$1) {
// in a Vue.extend merge, both should be functions
if (!childVal) {
return parentVal
}
if (typeof childVal !== 'function') {
process.env.NODE_ENV !== 'production' && warn(
'The "data" option should be a function ' +
'that returns a per-instance value in component ' +
'definitions.',
vm$$1
)
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$$1)
: childVal
var defaultData = typeof parentVal === 'function'
? parentVal.call(vm$$1)
: undefined
if (instanceData) {
return mergeData(instanceData, defaultData)
} else {
return defaultData
}
}
}
}
/**
* Hooks and param attributes 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 parentVal }
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 parentVal }
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
}
/**
* Make sure component options get converted to actual
* constructors.
*/
function normalizeComponents (options) {
if (options.components) {
var components = options.components
var def
for (var key in components) {
var lower = key.toLowerCase()
if (isBuiltInTag(lower) || config.isReservedTag(lower)) {
process.env.NODE_ENV !== 'production' && warn(
'Do not use built-in or reserved HTML elements as component ' +
'id: ' + key
)
continue
}
def = components[key]
if (isPlainObject(def)) {
components[key] = Vue.extend(def)
}
}
}
}
/**
* 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('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$$1
) {
normalizeComponents(child)
normalizeProps(child)
normalizeDirectives(child)
var extendsFrom = child.extends
if (extendsFrom) {
parent = typeof extendsFrom === 'function'
? mergeOptions(parent, extendsFrom.options, vm$$1)
: mergeOptions(parent, extendsFrom, vm$$1)
}
if (child.mixins) {
for (var i = 0, l = child.mixins.length; i < l; i++) {
var mixin = child.mixins[i]
if (mixin.prototype instanceof Vue) {
mixin = mixin.options
}
parent = mergeOptions(parent, mixin, vm$$1)
}
}
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$$1, key)
}
return options
}
/**
* Resolve an asset.
* This function is used because child instances need access
* to assets defined in its ancestor chain.
*/
function resolveAsset (
options,
type,
id,
warnMissing
) {
/* istanbul ignore if */
if (typeof id !== 'string') {
return
}
var assets = options[type]
var res = assets[id] ||
// camelCase ID
assets[camelize(id)] ||
// Pascal Case ID
assets[capitalize(camelize(id))]
if (process.env.NODE_ENV !== 'production' && warnMissing && !res) {
warn(
'Failed to resolve ' + type.slice(0, -1) + ': ' + id,
options
)
}
return res
}
/* */
function validateProp (
key,
propOptions,
propsData,
vm$$1
) {
var prop = propOptions[key]
var absent = !hasOwn(propsData, key)
var value = propsData[key]
// handle boolean props
if (getType(prop.type) === 'Boolean') {
if (absent && !hasOwn(prop, 'default')) {
value = false
} else if (value === '' || value === hyphenate(key)) {
value = true
}
}
// check default value
if (value === undefined) {
value = getPropDefaultValue(vm$$1, prop, key)
// since the default value is a fresh copy,
// make sure to observe it.
var prevShouldConvert = observerState.shouldConvert
observerState.shouldConvert = true
observe(value)
observerState.shouldConvert = prevShouldConvert
}
if (process.env.NODE_ENV !== 'production') {
assertProp(prop, key, value, vm$$1, absent)
}
return value
}
/**
* Get the default value of a prop.
*/
function getPropDefaultValue (vm$$1, prop, name) {
// no default, return undefined
if (!hasOwn(prop, 'default')) {
return undefined
}
var def = prop.default
// warn against non-factory defaults for Object & Array
if (isObject(def)) {
process.env.NODE_ENV !== 'production' && warn(
'Invalid default value for prop "' + name + '": ' +
'Props with type Object/Array must use a factory function ' +
'to return the default value.',
vm$$1
)
}
// call factory function for non-Function types
return typeof def === 'function' && prop.type !== Function
? def.call(vm$$1)
: def
}
/**
* Assert whether a prop is valid.
*/
function assertProp (
prop,
name,
value,
vm$$1,
absent
) {
if (prop.required && absent) {
warn(
'Missing required prop: "' + name + '"',
vm$$1
)
return
}
if (value == null && !prop.required) {
return
}
var type = prop.type
var valid = !type || type === true
var expectedTypes = []
if (type) {
if (!Array.isArray(type)) {
type = [type]
}
for (var i = 0; i < type.length && !valid; i++) {
var assertedType = assertType(value, type[i])
expectedTypes.push(assertedType.expectedType)
valid = assertedType.valid
}
}
if (!valid) {
warn(
'Invalid prop: type check failed for prop "' + name + '".' +
' Expected ' + expectedTypes.map(capitalize).join(', ') +
', got ' + Object.prototype.toString.call(value).slice(8, -1) + '.',
vm$$1
)
return
}
var validator = prop.validator
if (validator) {
if (!validator(value)) {
warn(
'Invalid prop: custom validator check failed for prop "' + name + '".',
vm$$1
)
}
}
}
/**
* 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]
}
/* */
// attributes that should be using props for binding
var mustUseProp = makeMap('value,selected,checked,muted')
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 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,<th>,height,hidden,high,href,hreflang,http-equiv,' +
'icon,id,ismap,itemprop,keytype,kind,label,lang,language,list,loop,low,' +
'manifest,max,maxlength,media,method,GET,POST,min,multiple,email,file,' +
'muted,name,novalidate,open,optimum,pattern,ping,placeholder,poster,' +
'preload,radiogroup,readonly,rel,required,reversed,rows,rowspan,sandbox,' +
'scope,scoped,seamless,selected,shape,size,type,text,password,sizes,span,' +
'spellcheck,src,srcdoc,srclang,srcset,start,step,style,summary,tabindex,' +
'target,title,type,usemap,value,width,wrap'
)
/* istanbul ignore next */
var isRenderableAttr = function (name) {
return (
isAttr(name) ||
name.indexOf('data-') === 0 ||
name.indexOf('aria-') === 0
)
}
var propsToAttrMap = {
acceptCharset: 'accept-charset',
className: 'class',
htmlFor: 'for',
httpEquiv: 'http-equiv'
}
var isXlink = function (name) {
return name.charAt(5) === ':' && name.slice(0, 5) === 'xlink'
}
var isFalsyAttrValue = function (val) {
return val == null || val === false
}
/* */
function genClassForVnode (vnode) {
var data = vnode.data
var parentNode = vnode
var childNode = vnode
while (childNode.child) {
childNode = childNode.child._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'
)
var isUnaryTag = makeMap(
'area,base,br,col,embed,frame,hr,img,input,isindex,keygen,' +
'link,meta,param,source,track,wbr',
true
)
// 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',
true
)
// 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',
true
)
// 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,' +
'font-face,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'
}
}
var unknownElementCache = Object.create(null)
/* */
/**
* Query an element selector if it's not an element already.
*/
/**
* 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 IS_REGEX_CAPTURING_BROKEN = false
'x'.replace(/x(.)?/g, function (m, g) {
IS_REGEX_CAPTURING_BROKEN = g === ''
})
// Special Elements (can contain anything)
var isSpecialTag = makeMap('script,style', true)
var reCache = {}
var ltRE = /&lt;/g
var gtRE = /&gt;/g
var nlRE = /&#10;/g
var ampRE = /&amp;/g
var quoteRE = /&quot;/g
function decodeAttr (value, shouldDecodeTags, shouldDecodeNewlines) {
if (shouldDecodeTags) {
value = value.replace(ltRE, '<').replace(gtRE, '>')
}
if (shouldDecodeNewlines) {
value = value.replace(nlRE, '\n')
}
return value.replace(ampRE, '&').replace(quoteRE, '"')
}
function parseHTML (html, options) {
var stack = []
var expectHTML = options.expectHTML
var isUnaryTag$$1 = options.isUnaryTag || no
var isFromDOM = options.isFromDOM
var index = 0
var last, lastTag
while (html) {
last = html
// Make sure we're not in a script or style element
if (!lastTag || !isSpecialTag(lastTag)) {
var textEnd = html.indexOf('<')
if (textEnd === 0) {
// Comment:
if (/^<!--/.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 (/^<!\[/.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[0], endTagMatch[1], curIndex, index)
continue
}
// Start tag:
var startTagMatch = parseStartTag()
if (startTagMatch) {
handleStartTag(startTagMatch)
continue
}
}
var text = void 0
if (textEnd >= 0) {
text = html.substring(0, textEnd)
advance(textEnd)
} else {
text = html
html = ''
}
if (options.chars) {
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 (stackedTag !== 'script' && stackedTag !== 'style' && 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 + '>', stackedTag, index - endTagLength, index)
}
if (html === last) {
throw new Error('Error parsing template:\n\n' + html)
}
}
// 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(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: isFromDOM ? decodeAttr(
value,
options.shouldDecodeTags,
options.shouldDecodeNewlines
) : value
}
}
if (!unary) {
stack.push({ tag: tagName, attrs: attrs })
lastTag = tagName
unarySlash = ''
}
if (options.start) {
options.start(tagName, attrs, unary, match.start, match.end)
}
}
function parseEndTag (tag, tagName, start, end) {
var pos
if (start == null) { start = index }
if (end == null) { end = index }
// Find the closest opened tag of the same type
if (tagName) {
var needle = tagName.toLowerCase()
for (pos = stack.length - 1; pos >= 0; pos--) {
if (stack[pos].tag.toLowerCase() === needle) {
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 (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 (tagName.toLowerCase() === 'br') {
if (options.start) {
options.start(tagName, [], true, start, end)
}
} else if (tagName.toLowerCase() === 'p') {
if (options.start) {
options.start(tagName, [], false, start, end)
}
if (options.end) {
options.end(tagName, start, end)
}
}
}
}
/* */
function parseFilters (exp) {
var inSingle = false
var inDouble = 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) {
// check single quote
if (c === 0x27 && prev !== 0x5C) { inSingle = !inSingle }
} else if (inDouble) {
// check double quote
if (c === 0x22 && prev !== 0x5C) { inDouble = !inDouble }
} 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 0x28: paren++; break // (
case 0x29: paren--; break // )
case 0x5B: square++; break // [
case 0x5D: square--; break // ]
case 0x7B: curly++; break // {
case 0x7D: curly--; break // }
}
}
}
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('+')
}
/* */
function baseWarn (msg) {
console.error(("[Vue parser]: " + 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,
value,
arg,
modifiers
) {
(el.directives || (el.directives = [])).push({ name: name, 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
}
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 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 dirRE = /^v-|^@|^:/
var forAliasRE = /(.*)\s+(?:in|of)\s+(.*)/
var forIteratorRE = /\(([^,]*),([^,]*)(?:,([^,]*))?\)/
var bindRE = /^:|^v-bind:/
var onRE = /^@|^v-on:/
var argRE = /:(.*)$/
var modifierRE = /\.[^\.]+/g
var decodeHTMLCached = cached(entities.decodeHTML)
// configurable state
var warn$1
var platformGetTagNamespace
var platformMustUseProp
var platformIsPreTag
var preTransforms
var transforms
var postTransforms
var delimiters
/**
* Convert HTML string to AST.
*/
function parse (
template,
options
) {
warn$1 = 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
parseHTML(template, {
expectHTML: options.expectHTML,
isUnaryTag: options.isUnaryTag,
isFromDOM: options.isFromDOM,
shouldDecodeTags: options.shouldDecodeTags,
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 (options.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 (process.env.VUE_ENV !== 'server' && isForbiddenTag(element)) {
element.forbidden = true
process.env.NODE_ENV !== 'production' && warn$1(
'Templates should only be responsible for mapping the state to the ' +
'UI. Avoid placing tags with side-effects in your templates, such as ' +
"<" + tag + ">."
)
}
// 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)
// determine whether this is a plain element after
// removing structural attributes
element.plain = !element.key && !attrs.length
processKey(element)
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') {
warn$1(
"Cannot use <" + (el.tag) + "> as component root element because it may " +
'contain multiple nodes:\n' + template
)
}
if (el.attrsMap.hasOwnProperty('v-for')) {
warn$1(
'Cannot use v-for on stateful component root element because ' +
'it renders multiple elements:\n' + template
)
}
}
}
// tree management
if (!root) {
root = element
checkRootConstraints(root)
} else if (process.env.NODE_ENV !== 'production' && !stack.length && !warned) {
// allow 2 root elements with v-if and v-else
if ((root.attrsMap.hasOwnProperty('v-if') && element.attrsMap.hasOwnProperty('v-else'))) {
checkRootConstraints(element)
} else {
warned = true
warn$1(
("Component template should contain exactly one root element:\n\n" + template)
)
}
}
if (currentParent && !element.forbidden) {
if (element.else) {
processElse(element, currentParent)
} else {
currentParent.children.push(element)
element.parent = currentParent
}
}
if (!unary) {
currentParent = element
stack.push(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 === ' ') {
element.children.pop()
}
// pop stack
stack.length -= 1
currentParent = stack[stack.length - 1]
// check pre state
if (element.pre) {
inVPre = false
}
if (platformIsPreTag(element.tag)) {
inPre = false
}
},
chars: function chars (text) {
if (!currentParent) {
if (process.env.NODE_ENV !== 'production' && !warned) {
warned = true
warn$1(
'Component template should contain exactly one root element:\n\n' + template
)
}
return
}
text = inPre || text.trim()
? decodeHTMLCached(text)
// only preserve whitespace if its not right after a starting tag
: preserveWhitespace && currentParent.children.length ? ' ' : ''
if (text) {
var expression
if (!inVPre && text !== ' ' && (expression = parseText(text, delimiters))) {
currentParent.children.push({
type: 2,
expression: expression,
text: text
})
} else {
currentParent.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) {
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$1(
("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
}
if (getAndRemoveAttr(el, 'v-else') != null) {
el.else = true
}
}
function processElse (el, parent) {
var prev = findPrevElement(parent.children)
if (prev && prev.if) {
prev.elseBlock = el
} else if (process.env.NODE_ENV !== 'production') {
warn$1(
("v-else used on element <" + (el.tag) + "> without corresponding v-if.")
)
}
}
function processOnce (el) {
var once = getAndRemoveAttr(el, 'v-once')
if (once != null) {
el.once = true
}
}
function processSlot (el) {
if (el.tag === 'slot') {
el.slotName = getBindingAttr(el, 'name')
} else {
var slotTarget = getBindingAttr(el, 'slot')
if (slotTarget) {
el.slotTarget = slotTarget
}
}
}
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, value, arg, modifiers, isProp
for (i = 0, l = list.length; i < l; i++) {
name = 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, '')
if (modifiers && modifiers.prop) {
isProp = true
name = camelize(name)
if (name === 'innerHtml') { name = 'innerHTML' }
}
if (isProp || platformMustUseProp(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)
if (argMatch && (arg = argMatch[1])) {
name = name.slice(0, -(arg.length + 1))
}
addDirective(el, name, value, arg, modifiers)
}
} else {
// literal attribute
if (process.env.NODE_ENV !== 'production') {
var expression = parseText(value, delimiters)
if (expression) {
warn$1(
name + "=\"" + value + "\": " +
'Interpolation inside attributes has been deprecated. ' +
'Use v-bind or the colon shorthand instead.'
)
}
}
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]) {
warn$1('duplicate attribute: ' + attrs[i].name)
}
map[attrs[i].name] = attrs[i].value
}
return map
}
function findPrevElement (children) {
var i = children.length
while (i--) {
if (children[i].tag) { return children[i] }
}
}
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
}
/* */
var isStaticKey
var isPlatformReservedTag
var genStaticKeysCached = cached(genStaticKeys$1)
/**
* Goal of the optimizier: 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 || (function () { return false; })
// first pass: mark all non-static nodes.
markStatic(root)
// second pass: mark static roots.
markStaticRoots(root, false)
}
function genStaticKeys$1 (keys) {
return makeMap(
'type,tag,attrsList,attrsMap,plain,parent,children,attrs' +
(keys ? ',' + keys : '')
)
}
function markStatic (node) {
node.static = isStatic(node)
if (node.type === 1) {
for (var i = 0, l = node.children.length; i < l; i++) {
var child = node.children[i]
markStatic(child)
if (!child.static) {
node.static = false
}
}
}
}
function markStaticRoots (node, isInFor) {
if (node.type === 1) {
if (node.once || node.static) {
node.staticRoot = true
node.staticInFor = isInFor
return
}
if (node.children) {
for (var i = 0, l = node.children.length; i < l; i++) {
markStaticRoots(node.children[i], !!node.for)
}
}
}
}
function isStatic (node) {
if (node.type === 2) { // expression
return false
}
if (node.type === 3) { // text
return true
}
return !!(node.pre || (
!node.hasBindings && // no dynamic bindings
!node.if && !node.for && // not v-if or v-for or v-else
!isBuiltInTag(node.tag) && // not a built-in
isPlatformReservedTag(node.tag) && // not a component
Object.keys(node).every(isStaticKey)
))
}
/* */
var simplePathRE = /^[A-Za-z_$][\w$]*(?:\.[A-Za-z_$][\w$]*|\['.*?'\]|\[".*?"\]|\[\d+\]|\[[A-Za-z_$][\w$]*\])*$/
// keyCode aliases
var keyCodes = {
esc: 27,
tab: 9,
enter: 13,
space: 32,
up: 38,
left: 37,
right: 39,
down: 40,
'delete': [8, 46]
}
var modifierCode = {
stop: '$event.stopPropagation();',
prevent: '$event.preventDefault();',
self: 'if($event.target !== $event.currentTarget)return;'
}
function genHandlers (events, native) {
var res = native ? 'nativeOn:{' : 'on:{'
for (var name in events) {
res += "\"" + name + "\":" + (genHandler(events[name])) + ","
}
return res.slice(0, -1) + '}'
}
function genHandler (
handler
) {
if (!handler) {
return 'function(){}'
} else if (Array.isArray(handler)) {
return ("[" + (handler.map(genHandler).join(',')) + "]")
} else if (!handler.modifiers) {
return simplePathRE.test(handler.value)
? handler.value
: ("function($event){" + (handler.value) + "}")
} else {
var code = ''
var keys = []
for (var key in handler.modifiers) {
if (modifierCode[key]) {
code += modifierCode[key]
} else {
keys.push(key)
}
}
if (keys.length) {
code = genKeyFilter(keys) + code
}
var handlerCode = simplePathRE.test(handler.value)
? handler.value + '($event)'
: handler.value
return 'function($event){' + code + handlerCode + '}'
}
}
function genKeyFilter (keys) {
var code = keys.length === 1
? normalizeKeyCode(keys[0])
: Array.prototype.concat.apply([], keys.map(normalizeKeyCode))
if (Array.isArray(code)) {
return ("if(" + (code.map(function (c) { return ("$event.keyCode!==" + c); }).join('&&')) + ")return;")
} else {
return ("if($event.keyCode!==" + code + ")return;")
}
}
function normalizeKeyCode (key) {
return (
parseInt(key, 10) || // number keyCode
keyCodes[key] || // built-in alias
("_k(" + (JSON.stringify(key)) + ")") // custom alias
)
}
/* */
function bind$1 (el, dir) {
el.wrapData = function (code) {
return ("_b(" + code + "," + (dir.value) + (dir.modifiers && dir.modifiers.prop ? ',true' : '') + ")")
}
}
var baseDirectives = {
bind: bind$1,
cloak: noop
}
/* */
// configurable state
var warn$2
var transforms$1
var dataGenFns
var platformDirectives
var staticRenderFns
var currentOptions
function generate (
ast,
options
) {
// save previous staticRenderFns so generate calls can be nested
var prevStaticRenderFns = staticRenderFns
var currentStaticRenderFns = staticRenderFns = []
currentOptions = options
warn$2 = options.warn || baseWarn
transforms$1 = pluckModuleFunction(options.modules, 'transformCode')
dataGenFns = pluckModuleFunction(options.modules, 'genData')
platformDirectives = options.directives || {}
var code = ast ? genElement(ast) : '_h("div")'
staticRenderFns = prevStaticRenderFns
return {
render: ("with(this){return " + code + "}"),
staticRenderFns: currentStaticRenderFns
}
}
function genElement (el) {
if (el.staticRoot && !el.staticProcessed) {
// hoist static sub-trees out
el.staticProcessed = true
staticRenderFns.push(("with(this){return " + (genElement(el)) + "}"))
return ("_m(" + (staticRenderFns.length - 1) + (el.staticInFor ? ',true' : '') + ")")
} 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)
} else {
var data = genData(el)
var children = el.inlineTemplate ? null : genChildren(el)
code = "_h('" + (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
}
}
function genIf (el) {
var exp = el.if
el.ifProcessed = true // avoid recursion
return ("(" + exp + ")?" + (genElement(el)) + ":" + (genElse(el)))
}
function genElse (el) {
return el.elseBlock
? genElement(el.elseBlock)
: '_e()'
}
function genFor (el) {
var exp = el.for
var alias = el.alias
var iterator1 = el.iterator1 ? ("," + (el.iterator1)) : ''
var iterator2 = el.iterator2 ? ("," + (el.iterator2)) : ''
el.forProcessed = true // avoid recursion
return "(" + exp + ")&&_l((" + exp + ")," +
"function(" + alias + iterator1 + iterator2 + "){" +
"return " + (genElement(el)) +
'})'
}
function genData (el) {
if (el.plain) {
return
}
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,"
}
// record original tag name for components using "is" attribute
if (el.component) {
data += "tag:\"" + (el.tag) + "\","
}
// slot target
if (el.slotTarget) {
data += "slot:" + (el.slotTarget) + ","
}
// 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)) + ","
}
// inline-template
if (el.inlineTemplate) {
var ast = el.children[0]
if (process.env.NODE_ENV !== 'production' && (
el.children.length > 1 || ast.type !== 1
)) {
warn$2('Inline-template components must have exactly one child element.')
}
if (ast.type === 1) {
var inlineRenderFns = generate(ast, currentOptions)
data += "inlineTemplate:{render:function(){" + (inlineRenderFns.render) + "},staticRenderFns:[" + (inlineRenderFns.staticRenderFns.map(function (code) { return ("function(){" + code + "}"); }).join(',')) + "]}"
}
}
data = data.replace(/,$/, '') + '}'
// 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$2)
}
if (needRuntime) {
hasRuntime = true
res += "{name:\"" + (dir.name) + "\"" + (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 genChildren (el) {
if (el.children.length) {
return '[' + el.children.map(genNode).join(',') + ']'
}
}
function genNode (node) {
if (node.type === 1) {
return genElement(node)
} else {
return genText(node)
}
}
function genText (text) {
return text.type === 2
? text.expression // no need for () because already wrapped in _s()
: JSON.stringify(text.text)
}
function genSlot (el) {
var slotName = el.slotName || '"default"'
var children = genChildren(el)
return children
? ("_t(" + slotName + "," + children + ")")
: ("_t(" + slotName + ")")
}
function genComponent (el) {
var children = genChildren(el)
return ("_h(" + (el.component) + "," + (genData(el)) + (children ? ("," + children) : '') + ")")
}
function genProps (props) {
var res = ''
for (var i = 0; i < props.length; i++) {
var prop = props[i]
res += "\"" + (prop.name) + "\":" + (prop.value) + ","
}
return res.slice(0, -1)
}
/* */
/**
* Compile a template.
*/
function compile$1 (
template,
options
) {
var ast = parse(template.trim(), options)
optimize(ast, options)
var code = generate(ast, options)
return {
ast: ast,
render: code.render,
staticRenderFns: code.staticRenderFns
}
}
/* */
// operators like typeof, instanceof and in are allowed
var prohibitedKeywordRE = new RegExp('\\b' + (
'do,if,for,let,new,try,var,case,else,with,await,break,catch,class,const,' +
'super,throw,while,yield,delete,export,import,return,switch,default,' +
'extends,finally,continue,debugger,function,arguments'
).split(',').join('\\b|\\b') + '\\b')
// check valid identifier for v-for
var identRE = /[A-Za-z_$][\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 {
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 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))
}
}
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
)
} else {
errors.push(("- invalid expression: " + text))
}
}
}
/* */
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 deprecated. ' +
'Use v-bind or the colon shorthand instead.'
)
}
}
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
}
/* */
function transformNode$1 (el) {
var styleBinding = getBindingAttr(el, 'style', false /* getStatic */)
if (styleBinding) {
el.styleBinding = styleBinding
}
}
function genData$2 (el) {
return el.styleBinding
? ("style:(" + (el.styleBinding) + "),")
: ''
}
var style = {
transformNode: transformNode$1,
genData: genData$2
}
var modules = [
klass,
style
]
/* */
var warn$3
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 (tag === 'select') {
return genSelect(el, value)
} else if (tag === 'input' && type === 'checkbox') {
genCheckboxModel(el, value)
} else if (tag === 'input' && type === 'radio') {
genRadioModel(el, value)
} else {
return genDefaultModel(el, value, modifiers)
}
}
function genCheckboxModel (el, value) {
if (process.env.NODE_ENV !== 'production' &&
el.attrsMap.checked != null) {
warn$3(
"<" + (el.tag) + " v-model=\"" + value + "\" checked>:\n" +
"inline checked attributes will be ignored when using v-model. " +
'Declare initial values in the component\'s data option instead.'
)
}
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" +
":_q(" + value + "," + trueValueBinding + ")"
)
addHandler(el, 'change',
"var $$a=" + value + "," +
'$$el=$event.target,' +
"$$c=$$el.checked?(" + trueValueBinding + "):(" + falseValueBinding + ");" +
'if(Array.isArray($$a)){' +
"var $$v=" + 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) {
if (process.env.NODE_ENV !== 'production' &&
el.attrsMap.checked != null) {
warn$3(
"<" + (el.tag) + " v-model=\"" + value + "\" checked>:\n" +
"inline checked attributes will be ignored when using v-model. " +
'Declare initial values in the component\'s data option instead.'
)
}
var valueBinding = getBindingAttr(el, 'value') || 'null'
addProp(el, 'checked', ("_q(" + value + "," + valueBinding + ")"))
addHandler(el, 'change', (value + "=" + valueBinding), null, true)
}
function genDefaultModel (
el,
value,
modifiers
) {
if (process.env.NODE_ENV !== 'production') {
if (el.tag === 'input' && el.attrsMap.value) {
warn$3(
"<" + (el.tag) + " v-model=\"" + value + "\" value=\"" + (el.attrsMap.value) + "\">:\n" +
'inline value attributes will be ignored when using v-model. ' +
'Declare initial values in the component\'s data option instead.'
)
}
if (el.tag === 'textarea' && el.children.length) {
warn$3(
"<textarea v-model=\"" + value + "\">:\n" +
'inline content inside <textarea> will be ignored when using v-model. ' +
'Declare initial values in the component\'s data option instead.'
)
}
}
var type = el.attrsMap.type
var ref = modifiers || {};
var lazy = ref.lazy;
var number = ref.number;
var trim = ref.trim;
var event = lazy || (isIE && type === 'range') ? 'change' : 'input'
var needCompositionGuard = !lazy && type !== 'range'
var isNative = el.tag === 'input' || el.tag === 'textarea'
var valueExpression = isNative
? ("$event.target.value" + (trim ? '.trim()' : ''))
: "$event"
var code = number || type === 'number'
? (value + "=_n(" + valueExpression + ")")
: (value + "=" + valueExpression)
if (isNative && needCompositionGuard) {
code = "if($event.target.composing)return;" + code
}
// inputs with type="file" are read only and setting the input's
// value will throw an error.
if (process.env.NODE_ENV !== 'production' &&
type === 'file') {
warn$3(
"<" + (el.tag) + " v-model=\"" + value + "\" type=\"file\">:\n" +
"File inputs are read only. Use a v-on:change listener instead."
)
}
addProp(el, 'value', isNative ? ("_s(" + value + ")") : ("(" + value + ")"))
addHandler(el, event, code, null, true)
if (needCompositionGuard) {
// need runtime directive code to help with composition events
return true
}
}
function genSelect (el, value) {
if (process.env.NODE_ENV !== 'production') {
el.children.some(checkOptionWarning)
}
var code = value + "=Array.prototype.filter" +
".call($event.target.options,function(o){return o.selected})" +
".map(function(o){return \"_value\" in o ? o._value : o.value})" +
(el.attrsMap.multiple == null ? '[0]' : '')
addHandler(el, 'change', code, null, true)
// need runtime to help with possible dynamically generated options
return true
}
function checkOptionWarning (option) {
if (option.type === 1 &&
option.tag === 'option' &&
option.attrsMap.selected != null) {
warn$3(
"<select v-model=\"" + (option.parent.attrsMap['v-model']) + "\">:\n" +
'inline selected attributes on <option> will be ignored when using v-model. ' +
'Declare initial values in the component\'s data option instead.'
)
return true
}
return false
}
/* */
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 cache = Object.create(null)
var baseOptions = {
isIE: isIE,
expectHTML: true,
modules: modules,
staticKeys: genStaticKeys(modules),
directives: directives,
isReservedTag: isReservedTag,
isUnaryTag: isUnaryTag,
mustUseProp: mustUseProp,
getTagNamespace: getTagNamespace,
isPreTag: isPreTag
}
function compile$$1 (
template,
options
) {
options = options
? extend(extend({}, baseOptions), options)
: baseOptions
return compile$1(template, options)
}
function compileToFunctions (
template,
options,
vm$$1
) {
var _warn = (options && options.warn) || warn
// detect possible CSP restriction
/* istanbul ignore if */
if (process.env.NODE_ENV !== 'production') {
try {
new Function('return 1')
} catch (e) {
if (e.toString().match(/unsafe-eval|CSP/)) {
_warn(
'It seems you are using the standalone build of Vue.js in an ' +
'environment with Content Security Policy that prohibits unsafe-eval. ' +
'The template compiler cannot work in this environment. Consider ' +
'relaxing the policy to allow unsafe-eval or pre-compiling your ' +
'templates into render functions.'
)
}
}
}
var key = options && options.delimiters
? String(options.delimiters) + template
: template
if (cache[key]) {
return cache[key]
}
var res = {}
var compiled = compile$$1(template, options)
res.render = makeFunction(compiled.render)
var l = compiled.staticRenderFns.length
res.staticRenderFns = new Array(l)
for (var i = 0; i < l; i++) {
res.staticRenderFns[i] = makeFunction(compiled.staticRenderFns[i])
}
if (process.env.NODE_ENV !== 'production') {
if (res.render === noop || res.staticRenderFns.some(function (fn) { return fn === noop; })) {
_warn(
"failed to compile template:\n\n" + template + "\n\n" +
detectErrors(compiled.ast).join('\n') +
'\n\n',
vm$$1
)
}
}
return (cache[key] = res)
}
function makeFunction (code) {
try {
return new Function(code)
} catch (e) {
return noop
}
}
/* */
var warned = Object.create(null)
var warnOnce = function (msg) {
if (!warned[msg]) {
warned[msg] = true
console.warn(("\n\u001b[31m" + msg + "\u001b[39m\n"))
}
}
var normalizeAsync = function (cache, method) {
var fn = cache[method]
if (!fn) {
return
} else if (fn.length > 1) {
return function (key, cb) { return fn.call(cache, key, cb); }
} else {
return function (key, cb) { return cb(fn.call(cache, key)); }
}
}
var compilationCache = Object.create(null)
var normalizeRender = function (vm$$1) {
var ref = vm$$1.$options;
var render = ref.render;
var template = ref.template;
if (!render) {
if (template) {
var renderFns = (
compilationCache[template] ||
(compilationCache[template] = compileToFunctions(template))
)
Object.assign(vm$$1.$options, renderFns)
} else {
throw new Error(
("render function or template not defined in component: " + (vm$$1.$options.name || vm$$1.$options._componentTag || 'anonymous'))
)
}
}
}
function createRenderFunction (
modules,
directives,
isUnaryTag,
cache
) {
if (cache && (!cache.get || !cache.set)) {
throw new Error('renderer cache must implement at least get & set.')
}
var get = cache && normalizeAsync(cache, 'get')
var has = cache && normalizeAsync(cache, 'has')
// used to track and apply scope ids
var activeInstance
function renderNode (
node,
write,
next,
isRoot
) {
if (node.componentOptions) {
// check cache hit
var Ctor = node.componentOptions.Ctor
var getKey = Ctor.options.serverCacheKey
var name = Ctor.options.name
if (getKey && cache && name) {
var key = name + '::' + getKey(node.componentOptions.propsData)
if (has) {
has(key, function (hit) {
if (hit && get) {
get(key, function (res) { return write(res, next); })
} else {
renderComponentWithCache(node, write, next, isRoot, cache, key)
}
})
} else if (get) {
get(key, function (res) {
if (res) {
write(res, next)
} else {
renderComponentWithCache(node, write, next, isRoot, cache, key)
}
})
}
} 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, write, next, isRoot)
}
} else {
if (node.tag) {
renderElement(node, write, next, isRoot)
} else if (node.isComment) {
write(("<!--" + (node.text) + "-->"), next)
} else {
write(node.raw ? node.text : entities.encodeHTML(String(node.text)), next)
}
}
}
function renderComponent (node, write, next, isRoot) {
var prevActive = activeInstance
var child = activeInstance = createComponentInstanceForVnode(node, activeInstance)
normalizeRender(child)
var childNode = child._render()
childNode.parent = node
renderNode(childNode, write, function () {
activeInstance = prevActive
next()
}, isRoot)
}
function renderComponentWithCache (node, write, next, isRoot, cache, key) {
write.caching = true
var buffer = write.cacheBuffer
var bufferIndex = buffer.push('') - 1
renderComponent(node, write, function () {
var result = buffer[bufferIndex]
cache.set(key, result)
if (bufferIndex === 0) {
// this is a top-level cached component,
// exit caching mode.
write.caching = false
} else {
// parent component is also being cached,
// merge self into parent's result
buffer[bufferIndex - 1] += result
}
buffer.length = bufferIndex
next()
}, isRoot)
}
function renderElement (el, write, next, isRoot) {
if (isRoot) {
if (!el.data) { el.data = {} }
if (!el.data.attrs) { el.data.attrs = {} }
el.data.attrs['server-rendered'] = 'true'
}
var startTag = renderStartingTag(el)
var endTag = "</" + (el.tag) + ">"
if (isUnaryTag(el.tag)) {
write(startTag, next)
} else if (!el.children || !el.children.length) {
write(startTag + endTag, next)
} else {
var children = el.children || []
write(startTag, function () {
var total = children.length
var rendered = 0
function renderChild (child) {
renderNode(child, write, function () {
rendered++
if (rendered < total) {
renderChild(children[rendered])
} else {
write(endTag, next)
}
}, false)
}
renderChild(children[0])
})
}
}
function renderStartingTag (node) {
var markup = "<" + (node.tag)
if (node.data) {
// check directives
var dirs = node.data.directives
if (dirs) {
for (var i = 0; i < dirs.length; i++) {
var dirRenderer = directives[dirs[i].name]
if (dirRenderer) {
// directives mutate the node's data
// which then gets rendered by modules
dirRenderer(node, dirs[i])
}
}
}
// apply other modules
for (var i$1 = 0; i$1 < modules.length; i$1++) {
var res = modules[i$1](node)
if (res) {
markup += res
}
}
}
// attach scoped CSS ID
var scopeId
if (activeInstance &&
activeInstance !== node.context &&
(scopeId = activeInstance.$options._scopeId)) {
markup += " " + scopeId
}
while (node) {
if ((scopeId = node.context.$options._scopeId)) {
markup += " " + scopeId
}
node = node.parent
}
return markup + '>'
}
return function render (
component,
write,
done
) {
warned = Object.create(null)
activeInstance = component
normalizeRender(component)
renderNode(component._render(), write, done, true)
}
}
/* */
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 cache = ref.cache;
if (process.env.VUE_ENV !== 'server') {
warn(
'You are using createRenderer without setting VUE_ENV enviroment variable to "server". ' +
'It is recommended to set VUE_ENV=server this will help rendering performance, ' +
'by turning data observation off.'
)
}
var render = createRenderFunction(modules, directives, isUnaryTag, cache)
return {
renderToString: function renderToString (
component,
done
) {
var result = ''
var write = createWriteFunction(function (text) {
result += text
}, done)
try {
render(component, write, function () {
done(null, result)
})
} catch (e) {
done(e)
}
},
renderToStream: function renderToStream (component) {
return new RenderStream(function (write, done) {
render(component, write, done)
})
}
}
}
function createContext (context) {
var sandbox = {
Buffer: Buffer,
clearImmediate: clearImmediate,
clearInterval: clearInterval,
clearTimeout: clearTimeout,
setImmediate: setImmediate,
setInterval: setInterval,
setTimeout: setTimeout,
console: console,
process: process,
__VUE_SSR_CONTEXT__: context
}
sandbox.global = sandbox
return sandbox
}
function runInVm (code, _context) {
if ( _context === void 0 ) _context = {};
return new Promise(function (resolve, reject) {
var wrapper = NativeModule.wrap(code)
var context = createContext(_context)
var compiledWrapper = vm.runInNewContext(wrapper, context, {
filename: '__vue_ssr_bundle__',
displayErrors: true
})
var m = { exports: {}}
compiledWrapper.call(m.exports, m.exports, require, m)
var res = Object.prototype.hasOwnProperty.call(m.exports, 'default')
? m.exports.default
: m
resolve(typeof res === 'function' ? res(_context) : res)
})
}
function createBundleRendererCreator (createRenderer) {
return function (code, rendererOptions) {
var renderer = createRenderer(rendererOptions)
return {
renderToString: function (context, cb) {
if (typeof context === 'function') {
cb = context
context = {}
}
runInVm(code, context).then(function (app) {
renderer.renderToString(app, cb)
}).catch(cb)
},
renderToStream: function (context) {
var res = new stream.PassThrough()
runInVm(code, context).then(function (app) {
var renderStream = renderer.renderToStream(app)
renderStream.on('error', function (err) {
res.emit('error', err)
})
renderStream.pipe(res)
}).catch(function (err) {
process.nextTick(function () {
res.emit('error', err)
})
})
return res
}
}
}
}
/* */
function renderAttrs (node) {
var res = ''
if (node.data.attrs) {
res += render$1(node.data.attrs)
}
return res
}
function render$1 (attrs) {
var 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 domProps = function (node) {
var props = node.data.domProps
var res = ''
if (props) {
for (var key in props) {
if (key === 'innerHTML') {
setText(node, props[key], true)
} else if (key === 'textContent') {
setText(node, props[key])
} else {
var attr = propsToAttrMap[key] || key.toLowerCase()
if (isRenderableAttr(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) {
if (node.data.class || node.data.staticClass) {
return (" class=\"" + (genClassForVnode(node)) + "\"")
}
}
/* */
function renderStyle (node) {
var staticStyle = node.data.attrs && node.data.attrs.style
if (node.data.style || staticStyle) {
var styles = node.data.style
var res = ''
if (styles) {
if (typeof styles === 'string') {
res += styles
} else {
if (Array.isArray(styles)) {
styles = toObject(styles)
}
for (var key in styles) {
res += (hyphenate(key)) + ":" + (styles[key]) + ";"
}
res += staticStyle || ''
}
}
return (" style=" + (JSON.stringify(res)))
}
}
var modules$1 = [
renderAttrs,
domProps,
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
}
/* */
function createRenderer$$1 (options) {
if ( options === void 0 ) options = {};
// user can provide server-side implementations for custom directives
// when creating the renderer.
var directives = Object.assign(baseDirectives$1, options.directives)
return createRenderer$1({
isUnaryTag: isUnaryTag,
modules: modules$1,
directives: directives,
cache: options.cache
})
}
var createBundleRenderer = createBundleRendererCreator(createRenderer$$1)
exports.createRenderer = createRenderer$$1;
exports.createBundleRenderer = createBundleRenderer;