vue2/dist/vue.js

3181 lines
84 KiB
JavaScript

;(function(){
/**
* Require the given path.
*
* @param {String} path
* @return {Object} exports
* @api public
*/
function require(path, parent, orig) {
var resolved = require.resolve(path);
// lookup failed
if (null == resolved) {
orig = orig || path;
parent = parent || 'root';
var err = new Error('Failed to require "' + orig + '" from "' + parent + '"');
err.path = orig;
err.parent = parent;
err.require = true;
throw err;
}
var module = require.modules[resolved];
// perform real require()
// by invoking the module's
// registered function
if (!module._resolving && !module.exports) {
var mod = {};
mod.exports = {};
mod.client = mod.component = true;
module._resolving = true;
module.call(this, mod.exports, require.relative(resolved), mod);
delete module._resolving;
module.exports = mod.exports;
}
return module.exports;
}
/**
* Registered modules.
*/
require.modules = {};
/**
* Registered aliases.
*/
require.aliases = {};
/**
* Resolve `path`.
*
* Lookup:
*
* - PATH/index.js
* - PATH.js
* - PATH
*
* @param {String} path
* @return {String} path or null
* @api private
*/
require.resolve = function(path) {
if (path.charAt(0) === '/') path = path.slice(1);
var paths = [
path,
path + '.js',
path + '.json',
path + '/index.js',
path + '/index.json'
];
for (var i = 0; i < paths.length; i++) {
var path = paths[i];
if (require.modules.hasOwnProperty(path)) return path;
if (require.aliases.hasOwnProperty(path)) return require.aliases[path];
}
};
/**
* Normalize `path` relative to the current path.
*
* @param {String} curr
* @param {String} path
* @return {String}
* @api private
*/
require.normalize = function(curr, path) {
var segs = [];
if ('.' != path.charAt(0)) return path;
curr = curr.split('/');
path = path.split('/');
for (var i = 0; i < path.length; ++i) {
if ('..' == path[i]) {
curr.pop();
} else if ('.' != path[i] && '' != path[i]) {
segs.push(path[i]);
}
}
return curr.concat(segs).join('/');
};
/**
* Register module at `path` with callback `definition`.
*
* @param {String} path
* @param {Function} definition
* @api private
*/
require.register = function(path, definition) {
require.modules[path] = definition;
};
/**
* Alias a module definition.
*
* @param {String} from
* @param {String} to
* @api private
*/
require.alias = function(from, to) {
if (!require.modules.hasOwnProperty(from)) {
throw new Error('Failed to alias "' + from + '", it does not exist');
}
require.aliases[to] = from;
};
/**
* Return a require function relative to the `parent` path.
*
* @param {String} parent
* @return {Function}
* @api private
*/
require.relative = function(parent) {
var p = require.normalize(parent, '..');
/**
* lastIndexOf helper.
*/
function lastIndexOf(arr, obj) {
var i = arr.length;
while (i--) {
if (arr[i] === obj) return i;
}
return -1;
}
/**
* The relative require() itself.
*/
function localRequire(path) {
var resolved = localRequire.resolve(path);
return require(resolved, parent, path);
}
/**
* Resolve relative to the parent.
*/
localRequire.resolve = function(path) {
var c = path.charAt(0);
if ('/' == c) return path.slice(1);
if ('.' == c) return require.normalize(p, path);
// resolve deps by returning
// the dep in the nearest "deps"
// directory
var segs = parent.split('/');
var i = lastIndexOf(segs, 'deps') + 1;
if (!i) i = 0;
path = segs.slice(0, i + 1).join('/') + '/deps/' + path;
return path;
};
/**
* Check if module is defined at `path`.
*/
localRequire.exists = function(path) {
return require.modules.hasOwnProperty(localRequire.resolve(path));
};
return localRequire;
};
require.register("component-emitter/index.js", function(exports, require, module){
/**
* Expose `Emitter`.
*/
module.exports = Emitter;
/**
* Initialize a new `Emitter`.
*
* @api public
*/
function Emitter(obj) {
if (obj) return mixin(obj);
};
/**
* Mixin the emitter properties.
*
* @param {Object} obj
* @return {Object}
* @api private
*/
function mixin(obj) {
for (var key in Emitter.prototype) {
obj[key] = Emitter.prototype[key];
}
return obj;
}
/**
* Listen on the given `event` with `fn`.
*
* @param {String} event
* @param {Function} fn
* @return {Emitter}
* @api public
*/
Emitter.prototype.on =
Emitter.prototype.addEventListener = function(event, fn){
this._callbacks = this._callbacks || {};
(this._callbacks[event] = this._callbacks[event] || [])
.push(fn);
return this;
};
/**
* Adds an `event` listener that will be invoked a single
* time then automatically removed.
*
* @param {String} event
* @param {Function} fn
* @return {Emitter}
* @api public
*/
Emitter.prototype.once = function(event, fn){
var self = this;
this._callbacks = this._callbacks || {};
function on() {
self.off(event, on);
fn.apply(this, arguments);
}
on.fn = fn;
this.on(event, on);
return this;
};
/**
* Remove the given callback for `event` or all
* registered callbacks.
*
* @param {String} event
* @param {Function} fn
* @return {Emitter}
* @api public
*/
Emitter.prototype.off =
Emitter.prototype.removeListener =
Emitter.prototype.removeAllListeners =
Emitter.prototype.removeEventListener = function(event, fn){
this._callbacks = this._callbacks || {};
// all
if (0 == arguments.length) {
this._callbacks = {};
return this;
}
// specific event
var callbacks = this._callbacks[event];
if (!callbacks) return this;
// remove all handlers
if (1 == arguments.length) {
delete this._callbacks[event];
return this;
}
// remove specific handler
var cb;
for (var i = 0; i < callbacks.length; i++) {
cb = callbacks[i];
if (cb === fn || cb.fn === fn) {
callbacks.splice(i, 1);
break;
}
}
return this;
};
/**
* Emit `event` with the given args.
*
* @param {String} event
* @param {Mixed} ...
* @return {Emitter}
*/
Emitter.prototype.emit = function(event){
this._callbacks = this._callbacks || {};
var args = [].slice.call(arguments, 1)
, callbacks = this._callbacks[event];
if (callbacks) {
callbacks = callbacks.slice(0);
for (var i = 0, len = callbacks.length; i < len; ++i) {
callbacks[i].apply(this, args);
}
}
return this;
};
/**
* Return array of callbacks for `event`.
*
* @param {String} event
* @return {Array}
* @api public
*/
Emitter.prototype.listeners = function(event){
this._callbacks = this._callbacks || {};
return this._callbacks[event] || [];
};
/**
* Check if this emitter has `event` handlers.
*
* @param {String} event
* @return {Boolean}
* @api public
*/
Emitter.prototype.hasListeners = function(event){
return !! this.listeners(event).length;
};
});
require.register("vue/src/main.js", function(exports, require, module){
var config = require('./config'),
ViewModel = require('./viewmodel'),
directives = require('./directives'),
filters = require('./filters'),
utils = require('./utils')
/**
* Set config options
*/
ViewModel.config = function (opts) {
if (opts) {
utils.extend(config, opts)
if (opts.prefix) updatePrefix()
}
return this
}
/**
* Allows user to register/retrieve a directive definition
*/
ViewModel.directive = function (id, fn) {
if (!fn) return directives[id]
directives[id] = fn
return this
}
/**
* Allows user to register/retrieve a filter function
*/
ViewModel.filter = function (id, fn) {
if (!fn) return filters[id]
filters[id] = fn
return this
}
/**
* Allows user to register/retrieve a ViewModel constructor
*/
ViewModel.component = function (id, Ctor) {
if (!Ctor) return utils.components[id]
utils.components[id] = utils.toConstructor(Ctor)
return this
}
/**
* Allows user to register/retrieve a Custom element constructor
*/
ViewModel.element = function (id, Ctor) {
if (!Ctor) return utils.elements[id]
utils.elements[id] = utils.toConstructor(Ctor)
return this
}
/**
* Allows user to register/retrieve a template partial
*/
ViewModel.partial = function (id, partial) {
if (!partial) return utils.partials[id]
utils.partials[id] = utils.toFragment(partial)
return this
}
/**
* Allows user to register/retrieve a transition definition object
*/
ViewModel.transition = function (id, transition) {
if (!transition) return utils.transitions[id]
utils.transitions[id] = transition
return this
}
ViewModel.extend = extend
/**
* Expose the main ViewModel class
* and add extend method
*/
function extend (options) {
var ParentVM = this
// inherit options
options = inheritOptions(options, ParentVM.options, true)
utils.processOptions(options)
var ExtendedVM = function (opts) {
opts = inheritOptions(opts, options, true)
ParentVM.call(this, opts)
}
// inherit prototype props
var proto = ExtendedVM.prototype = Object.create(ParentVM.prototype)
utils.defProtected(proto, 'constructor', ExtendedVM)
// copy prototype props
var protoMixins = options.proto
if (protoMixins) {
for (var key in protoMixins) {
if (!(key in ViewModel.prototype)) {
proto[key] = protoMixins[key]
}
}
}
// allow extended VM to be further extended
ExtendedVM.extend = extend
ExtendedVM.super = ParentVM
ExtendedVM.options = options
return ExtendedVM
}
/**
* Inherit options
*
* For options such as `scope`, `vms`, `directives`, 'partials',
* they should be further extended. However extending should only
* be done at top level.
*
* `proto` is an exception because it's handled directly on the
* prototype.
*
* `el` is an exception because it's not allowed as an
* extension option, but only as an instance option.
*/
function inheritOptions (child, parent, topLevel) {
child = child || utils.hash()
if (!parent) return child
for (var key in parent) {
if (key === 'el' || key === 'proto') continue
if (!child[key]) { // child has priority
child[key] = parent[key]
} else if (topLevel && utils.typeOf(child[key]) === 'Object') {
inheritOptions(child[key], parent[key], false)
}
}
return child
}
/**
* Update prefix for some special directives
* that are used in compilation.
*/
var specialAttributes = [
'id',
'pre',
'text',
'repeat',
'partial',
'component',
'transition'
]
function updatePrefix () {
specialAttributes.forEach(setPrefix)
}
function setPrefix (attr) {
config.attrs[attr] = config.prefix + '-' + attr
}
updatePrefix()
module.exports = ViewModel
});
require.register("vue/src/emitter.js", function(exports, require, module){
// shiv to make this work for Component, Browserify and Node at the same time.
var Emitter,
componentEmitter = 'emitter'
try {
// Requiring without a string literal will make browserify
// unable to parse the dependency, thus preventing it from
// stopping the compilation after a failed lookup.
Emitter = require(componentEmitter)
} catch (e) {
Emitter = require('events').EventEmitter
Emitter.prototype.off = function () {
var method = arguments.length > 1
? this.removeListener
: this.removeAllListeners
return method.apply(this, arguments)
}
}
module.exports = Emitter
});
require.register("vue/src/config.js", function(exports, require, module){
module.exports = {
prefix : 'v',
debug : false,
silent : false,
enterClass : 'v-enter',
leaveClass : 'v-leave',
attrs : {}
}
});
require.register("vue/src/utils.js", function(exports, require, module){
var config = require('./config'),
attrs = config.attrs,
toString = Object.prototype.toString,
join = Array.prototype.join,
console = window.console,
ViewModel // late def
/**
* Create a prototype-less object
* which is a better hash/map
*/
function makeHash () {
return Object.create(null)
}
var utils = module.exports = {
hash: makeHash,
// global storage for user-registered
// vms, partials and transitions
components : makeHash(),
partials : makeHash(),
transitions : makeHash(),
elements : makeHash(),
/**
* get an attribute and remove it.
*/
attr: function (el, type, noRemove) {
var attr = attrs[type],
val = el.getAttribute(attr)
if (!noRemove && val !== null) el.removeAttribute(attr)
return val
},
/**
* Define an ienumerable property
* This avoids it being included in JSON.stringify
* or for...in loops.
*/
defProtected: function (obj, key, val, enumerable, configurable) {
if (obj.hasOwnProperty(key)) return
Object.defineProperty(obj, key, {
value : val,
enumerable : !!enumerable,
configurable : !!configurable
})
},
/**
* Accurate type check
* internal use only, so no need to check for NaN
*/
typeOf: function (obj) {
return toString.call(obj).slice(8, -1)
},
/**
* Most simple bind
* enough for the usecase and fast than native bind()
*/
bind: function (fn, ctx) {
return function (arg) {
return fn.call(ctx, arg)
}
},
/**
* Make sure only strings and numbers are output to html
* output empty string is value is not string or number
*/
toText: function (value) {
/* jshint eqeqeq: false */
return (typeof value === 'string' ||
typeof value === 'boolean' ||
(typeof value === 'number' && value == value)) // deal with NaN
? value
: ''
},
/**
* simple extend
*/
extend: function (obj, ext, protective) {
for (var key in ext) {
if (protective && obj[key]) continue
obj[key] = ext[key]
}
},
/**
* filter an array with duplicates into uniques
*/
unique: function (arr) {
var hash = utils.hash(),
i = arr.length,
key, res = []
while (i--) {
key = arr[i]
if (hash[key]) continue
hash[key] = 1
res.push(key)
}
return res
},
/**
* Convert a string template to a dom fragment
*/
toFragment: function (template) {
if (typeof template !== 'string') {
return template
}
if (template.charAt(0) === '#') {
var templateNode = document.getElementById(template.slice(1))
if (!templateNode) return
template = templateNode.innerHTML
}
var node = document.createElement('div'),
frag = document.createDocumentFragment(),
child
node.innerHTML = template.trim()
/* jshint boss: true */
while (child = node.firstChild) {
frag.appendChild(child)
}
return frag
},
/**
* Convert the object to a ViewModel constructor
* if it is not already one
*/
toConstructor: function (obj) {
ViewModel = ViewModel || require('./viewmodel')
return utils.typeOf(obj) === 'Object'
? ViewModel.extend(obj)
: typeof obj === 'function'
? obj
: null
},
isConstructor: function (obj) {
ViewModel = ViewModel || require('./viewmodel')
return obj.prototype instanceof ViewModel || obj === ViewModel
},
/**
* convert certain option values to the desired format.
*/
processOptions: function (options) {
var components = options.components,
partials = options.partials,
template = options.template,
elements = options.elements,
key
if (components) {
for (key in components) {
components[key] = utils.toConstructor(components[key])
}
}
if (elements) {
for (key in elements) {
elements[key] = utils.toConstructor(elements[key])
}
}
if (partials) {
for (key in partials) {
partials[key] = utils.toFragment(partials[key])
}
}
if (template) {
options.template = utils.toFragment(template)
}
},
/**
* log for debugging
*/
log: function () {
if (config.debug && console) {
console.log(join.call(arguments, ' '))
}
},
/**
* warnings, thrown in all cases
*/
warn: function() {
if (!config.silent && console) {
console.trace()
console.warn(join.call(arguments, ' '))
}
}
}
});
require.register("vue/src/compiler.js", function(exports, require, module){
var Emitter = require('./emitter'),
Observer = require('./observer'),
config = require('./config'),
utils = require('./utils'),
Binding = require('./binding'),
Directive = require('./directive'),
TextParser = require('./text-parser'),
DepsParser = require('./deps-parser'),
ExpParser = require('./exp-parser'),
transition = require('./transition'),
// cache deps ob
depsOb = DepsParser.observer,
// cache methods
slice = Array.prototype.slice,
log = utils.log,
makeHash = utils.hash,
def = utils.defProtected,
hasOwn = Object.prototype.hasOwnProperty
/**
* The DOM compiler
* scans a DOM node and compile bindings for a ViewModel
*/
function Compiler (vm, options) {
var compiler = this
// indicate that we are intiating this instance
// so we should not run any transitions
compiler.init = true
// extend options
options = compiler.options = options || makeHash()
utils.processOptions(options)
utils.extend(compiler, options.compilerOptions)
// initialize element
var el = compiler.setupElement(options)
log('\nnew VM instance:', el.tagName, '\n')
// copy scope properties to vm
var scope = options.scope
if (scope) utils.extend(vm, scope, true)
compiler.vm = vm
def(vm, '$', makeHash())
def(vm, '$el', el)
def(vm, '$compiler', compiler)
// keep track of directives and expressions
// so they can be unbound during destroy()
compiler.dirs = []
compiler.exps = []
compiler.childCompilers = [] // keep track of child compilers
compiler.emitter = new Emitter() // the emitter used for nested VM communication
// Store things during parsing to be processed afterwards,
// because we want to have created all bindings before
// observing values / parsing dependencies.
var observables = compiler.observables = [],
computed = compiler.computed = []
// prototypal inheritance of bindings
var parent = compiler.parentCompiler
compiler.bindings = parent
? Object.create(parent.bindings)
: makeHash()
compiler.rootCompiler = parent
? getRoot(parent)
: compiler
// set parent VM
// and register child id on parent
var childId = utils.attr(el, 'id')
if (parent) {
def(vm, '$parent', parent.vm)
if (childId) {
compiler.childId = childId
parent.vm.$[childId] = vm
}
}
// setup observer
compiler.setupObserver()
// call user init. this will capture some initial values.
if (options.init) {
options.init.apply(vm, options.args || [])
}
// create bindings for keys set on the vm by the user
var key, keyPrefix
for (key in vm) {
keyPrefix = key.charAt(0)
if (keyPrefix !== '$' && keyPrefix !== '_') {
compiler.createBinding(key)
}
}
// for repeated items, create an index binding
// which should be inenumerable but configurable
if (compiler.repeat) {
vm.$index = compiler.repeatIndex
def(vm, '$collection', compiler.repeatCollection)
compiler.createBinding('$index')
}
// now parse the DOM, during which we will create necessary bindings
// and bind the parsed directives
compiler.compile(el, true)
// observe root values so that they emit events when
// their nested values change (for an Object)
// or when they mutate (for an Array)
var i = observables.length, binding
while (i--) {
binding = observables[i]
Observer.observe(binding.value, binding.key, compiler.observer)
}
// extract dependencies for computed properties
if (computed.length) DepsParser.parse(computed)
// done!
compiler.init = false
}
var CompilerProto = Compiler.prototype
/**
* Initialize the VM/Compiler's element.
* Fill it in with the template if necessary.
*/
CompilerProto.setupElement = function (options) {
// create the node first
var el = this.el = typeof options.el === 'string'
? document.querySelector(options.el)
: options.el || document.createElement(options.tagName || 'div')
var template = options.template
if (template) {
// replace option: use the first node in
// the template directly
if (options.replace && template.childNodes.length === 1) {
var replacer = template.childNodes[0].cloneNode(true)
if (el.parentNode) {
el.parentNode.insertBefore(replacer, el)
el.parentNode.removeChild(el)
}
el = replacer
} else {
el.innerHTML = ''
el.appendChild(template.cloneNode(true))
}
}
// apply element options
if (options.id) el.id = options.id
if (options.className) el.className = options.className
var attrs = options.attributes
if (attrs) {
for (var attr in attrs) {
el.setAttribute(attr, attrs[attr])
}
}
return el
}
/**
* Setup observer.
* The observer listens for get/set/mutate events on all VM
* values/objects and trigger corresponding binding updates.
*/
CompilerProto.setupObserver = function () {
var compiler = this,
bindings = compiler.bindings,
observer = compiler.observer = new Emitter()
// a hash to hold event proxies for each root level key
// so they can be referenced and removed later
observer.proxies = makeHash()
// add own listeners which trigger binding updates
observer
.on('get', function (key) {
check(key)
depsOb.emit('get', bindings[key])
})
.on('set', function (key, val) {
observer.emit('change:' + key, val)
check(key)
bindings[key].update(val)
})
.on('mutate', function (key, val, mutation) {
observer.emit('change:' + key, val, mutation)
check(key)
bindings[key].pub()
})
function check (key) {
if (!bindings[key]) {
compiler.createBinding(key)
}
}
}
/**
* Compile a DOM node (recursive)
*/
CompilerProto.compile = function (node, root) {
var compiler = this
if (node.nodeType === 1) { // a normal node
// skip anything with v-pre
if (utils.attr(node, 'pre') !== null) return
// special attributes to check
var repeatExp,
componentId,
partialId,
customElementFn = compiler.getOption('elements', node.tagName.toLowerCase())
// It is important that we access these attributes
// procedurally because the order matters.
//
// `utils.attr` removes the attribute once it gets the
// value, so we should not access them all at once.
// v-repeat has the highest priority
// and we need to preserve all other attributes for it.
/* jshint boss: true */
if (repeatExp = utils.attr(node, 'repeat')) {
// repeat block cannot have v-id at the same time.
var directive = Directive.parse(config.attrs.repeat, repeatExp, compiler, node)
if (directive) {
compiler.bindDirective(directive)
}
// custom elements has 2nd highest priority
} else if (!root && customElementFn) {
addChild(customElementFn)
// v-component has 3rd highest priority
} else if (!root && (componentId = utils.attr(node, 'component'))) {
var ChildVM = compiler.getOption('components', componentId)
if (ChildVM) addChild(ChildVM)
} else {
// check transition property
node.vue_trans = utils.attr(node, 'transition')
// replace innerHTML with partial
partialId = utils.attr(node, 'partial')
if (partialId) {
var partial = compiler.getOption('partials', partialId)
if (partial) {
node.innerHTML = ''
node.appendChild(partial.cloneNode(true))
}
}
// finally, only normal directives left!
compiler.compileNode(node)
}
} else if (node.nodeType === 3) { // text node
compiler.compileTextNode(node)
}
function addChild (Ctor) {
if (utils.isConstructor(Ctor)) {
var child = new Ctor({
el: node,
child: true,
compilerOptions: {
parentCompiler: compiler
}
})
compiler.childCompilers.push(child.$compiler)
} else {
// simply call the function
Ctor(node)
}
}
}
/**
* Compile a normal node
*/
CompilerProto.compileNode = function (node) {
var i, j, attrs = node.attributes
// parse if has attributes
if (attrs && attrs.length) {
var attr, valid, exps, exp
// loop through all attributes
i = attrs.length
while (i--) {
attr = attrs[i]
valid = false
exps = Directive.split(attr.value)
// loop through clauses (separated by ",")
// inside each attribute
j = exps.length
while (j--) {
exp = exps[j]
var directive = Directive.parse(attr.name, exp, this, node)
if (directive) {
valid = true
this.bindDirective(directive)
}
}
if (valid) node.removeAttribute(attr.name)
}
}
// recursively compile childNodes
if (node.childNodes.length) {
var nodes = slice.call(node.childNodes)
for (i = 0, j = nodes.length; i < j; i++) {
this.compile(nodes[i])
}
}
}
/**
* Compile a text node
*/
CompilerProto.compileTextNode = function (node) {
var tokens = TextParser.parse(node.nodeValue)
if (!tokens) return
var dirname = config.attrs.text,
el, token, directive
for (var i = 0, l = tokens.length; i < l; i++) {
token = tokens[i]
if (token.key) { // a binding
if (token.key.charAt(0) === '>') { // a partial
var partialId = token.key.slice(1).trim(),
partial = this.getOption('partials', partialId)
if (partial) {
el = partial.cloneNode(true)
this.compileNode(el)
}
} else { // a binding
el = document.createTextNode('')
directive = Directive.parse(dirname, token.key, this, el)
if (directive) {
this.bindDirective(directive)
}
}
} else { // a plain string
el = document.createTextNode(token)
}
node.parentNode.insertBefore(el, node)
}
node.parentNode.removeChild(node)
}
/**
* Add a directive instance to the correct binding & viewmodel
*/
CompilerProto.bindDirective = function (directive) {
// keep track of it so we can unbind() later
this.dirs.push(directive)
// for a simple directive, simply call its bind() or _update()
// and we're done.
if (directive.isSimple) {
if (directive.bind) directive.bind()
return
}
// otherwise, we got more work to do...
var binding,
compiler = this,
key = directive.key,
baseKey = key.split('.')[0],
ownerCompiler = traceOwnerCompiler(directive, compiler)
if (directive.isExp) {
// expression bindings are always created on current compiler
binding = compiler.createBinding(key, true, directive.isFn)
} else if (ownerCompiler.vm.hasOwnProperty(baseKey)) {
// If the directive's owner compiler's VM has the key,
// it belongs there. Create the binding if it's not already
// created, and return it.
binding = hasOwn.call(ownerCompiler.bindings, key)
? ownerCompiler.bindings[key]
: ownerCompiler.createBinding(key)
} else {
// due to prototypal inheritance of bindings, if a key doesn't exist
// on the owner compiler's VM, then it doesn't exist in the whole
// prototype chain. In this case we create the new binding at the root level.
binding = ownerCompiler.bindings[key] || compiler.rootCompiler.createBinding(key)
}
binding.instances.push(directive)
directive.binding = binding
var value = binding.value
// invoke bind hook if exists
if (directive.bind) {
directive.bind(value)
}
// set initial value
if (value !== undefined) {
if (binding.isComputed) {
directive.refresh(value)
} else {
directive.update(value, true)
}
}
}
/**
* Create binding and attach getter/setter for a key to the viewmodel object
*/
CompilerProto.createBinding = function (key, isExp, isFn) {
var compiler = this,
bindings = compiler.bindings,
binding = new Binding(compiler, key, isExp, isFn)
if (isExp) {
// a complex expression binding
// we need to generate an anonymous computed property for it
var getter = ExpParser.parse(key, compiler)
if (getter) {
log(' created expression binding: ' + key)
binding.value = isFn
? getter
: { $get: getter }
compiler.markComputed(binding)
compiler.exps.push(binding)
}
} else {
log(' created binding: ' + key)
bindings[key] = binding
// make sure the key exists in the object so it can be observed
// by the Observer!
Observer.ensurePath(compiler.vm, key)
if (binding.root) {
// this is a root level binding. we need to define getter/setters for it.
compiler.define(key, binding)
} else {
var parentKey = key.slice(0, key.lastIndexOf('.'))
if (!hasOwn.call(bindings, parentKey)) {
// this is a nested value binding, but the binding for its parent
// has not been created yet. We better create that one too.
compiler.createBinding(parentKey)
}
}
}
return binding
}
/**
* Defines the getter/setter for a root-level binding on the VM
* and observe the initial value
*/
CompilerProto.define = function (key, binding) {
log(' defined root binding: ' + key)
var compiler = this,
vm = compiler.vm,
ob = compiler.observer,
value = binding.value = vm[key], // save the value before redefinening it
type = utils.typeOf(value)
if (type === 'Object' && value.$get) {
// computed property
compiler.markComputed(binding)
} else if (type === 'Object' || type === 'Array') {
// observe objects later, becase there might be more keys
// to be added to it. we also want to emit all the set events
// after all values are available.
compiler.observables.push(binding)
}
Object.defineProperty(vm, key, {
enumerable: true,
get: function () {
var value = binding.value
if (depsOb.active && (!binding.isComputed && (!value || !value.__observer__)) ||
Array.isArray(value)) {
// only emit non-computed, non-observed (primitive) values, or Arrays.
// because these are the cleanest dependencies
ob.emit('get', key)
}
return binding.isComputed
? value.$get()
: value
},
set: function (newVal) {
var value = binding.value
if (binding.isComputed) {
if (value.$set) {
value.$set(newVal)
}
} else if (newVal !== value) {
// unwatch the old value
Observer.unobserve(value, key, ob)
// set new value
binding.value = newVal
ob.emit('set', key, newVal)
Observer.ensurePaths(key, newVal, compiler.bindings)
// now watch the new value, which in turn emits 'set'
// for all its nested values
Observer.observe(newVal, key, ob)
}
}
})
}
/**
* Process a computed property binding
*/
CompilerProto.markComputed = function (binding) {
var value = binding.value,
vm = this.vm
binding.isComputed = true
// bind the accessors to the vm
if (binding.isFn) {
binding.value = utils.bind(value, vm)
} else {
value.$get = utils.bind(value.$get, vm)
if (value.$set) {
value.$set = utils.bind(value.$set, vm)
}
}
// keep track for dep parsing later
this.computed.push(binding)
}
/**
* Retrive an option from the compiler
*/
CompilerProto.getOption = function (type, id) {
var opts = this.options
return (opts[type] && opts[type][id]) || (utils[type] && utils[type][id])
}
/**
* Unbind and remove element
*/
CompilerProto.destroy = function () {
var compiler = this,
i, key, dir, instances, binding,
el = compiler.el,
directives = compiler.dirs,
exps = compiler.exps,
bindings = compiler.bindings,
teardown = compiler.options.teardown
// call user teardown first
if (teardown) teardown()
// unwatch
compiler.observer.off()
compiler.emitter.off()
// unbind all direcitves
i = directives.length
while (i--) {
dir = directives[i]
// if this directive is an instance of an external binding
// e.g. a directive that refers to a variable on the parent VM
// we need to remove it from that binding's instances
if (!dir.isSimple && dir.binding.compiler !== compiler) {
instances = dir.binding.instances
if (instances) instances.splice(instances.indexOf(dir), 1)
}
dir.unbind()
}
// unbind all expressions (anonymous bindings)
i = exps.length
while (i--) {
exps[i].unbind()
}
// unbind/unobserve all own bindings
for (key in bindings) {
if (hasOwn.call(bindings, key)) {
binding = bindings[key]
if (binding.root) {
Observer.unobserve(binding.value, binding.key, compiler.observer)
}
binding.unbind()
}
}
// remove self from parentCompiler
var parent = compiler.parentCompiler,
childId = compiler.childId
if (parent) {
parent.childCompilers.splice(parent.childCompilers.indexOf(compiler), 1)
if (childId) {
delete parent.vm.$[childId]
}
}
// finally remove dom element
if (el === document.body) {
el.innerHTML = ''
} else if (el.parentNode) {
transition(el, -1, function () {
el.parentNode.removeChild(el)
}, this)
}
}
// Helpers --------------------------------------------------------------------
/**
* determine which viewmodel a key belongs to based on nesting symbols
*/
function traceOwnerCompiler (key, compiler) {
if (key.nesting) {
var levels = key.nesting
while (compiler.parentCompiler && levels--) {
compiler = compiler.parentCompiler
}
} else if (key.root) {
while (compiler.parentCompiler) {
compiler = compiler.parentCompiler
}
}
return compiler
}
/**
* shorthand for getting root compiler
*/
function getRoot (compiler) {
return traceOwnerCompiler({ root: true }, compiler)
}
module.exports = Compiler
});
require.register("vue/src/viewmodel.js", function(exports, require, module){
var Compiler = require('./compiler'),
def = require('./utils').defProtected
/**
* ViewModel exposed to the user that holds data,
* computed properties, event handlers
* and a few reserved methods
*/
function ViewModel (options) {
// just compile. options are passed directly to compiler
new Compiler(this, options)
}
// All VM prototype methods are inenumerable
// so it can be stringified/looped through as raw data
var VMProto = ViewModel.prototype
/**
* Convenience function to set an actual nested value
* from a flat key string. Used in directives.
*/
def(VMProto, '$set', function (key, value) {
var path = key.split('.'),
obj = getTargetVM(this, path)
if (!obj) return
for (var d = 0, l = path.length - 1; d < l; d++) {
obj = obj[path[d]]
}
obj[path[d]] = value
})
/**
* watch a key on the viewmodel for changes
* fire callback with new value
*/
def(VMProto, '$watch', function (key, callback) {
this.$compiler.observer.on('change:' + key, callback)
})
/**
* unwatch a key
*/
def(VMProto, '$unwatch', function (key, callback) {
// workaround here
// since the emitter module checks callback existence
// by checking the length of arguments
var args = ['change:' + key],
ob = this.$compiler.observer
if (callback) args.push(callback)
ob.off.apply(ob, args)
})
/**
* unbind everything, remove everything
*/
def(VMProto, '$destroy', function () {
this.$compiler.destroy()
})
/**
* broadcast an event to all child VMs recursively.
*/
def(VMProto, '$broadcast', function () {
var children = this.$compiler.childCompilers,
i = children.length,
child
while (i--) {
child = children[i]
child.emitter.emit.apply(child.emitter, arguments)
child.vm.$broadcast.apply(child.vm, arguments)
}
})
/**
* emit an event that propagates all the way up to parent VMs.
*/
def(VMProto, '$emit', function () {
var compiler = this.$compiler,
emitter = compiler.emitter,
parent = compiler.parentCompiler
emitter.emit.apply(emitter, arguments)
if (parent) {
parent.emitter.emit.apply(parent.emitter, arguments)
parent.vm.$emit.apply(parent.vm, arguments)
}
})
/**
* delegate on/off/once to the compiler's emitter
*/
;['on', 'off', 'once'].forEach(function (method) {
def(VMProto, '$' + method, function () {
var emitter = this.$compiler.emitter
emitter[method].apply(emitter, arguments)
})
})
/**
* If a VM doesn't contain a path, go up the prototype chain
* to locate the ancestor that has it.
*/
function getTargetVM (vm, path) {
var baseKey = path[0],
binding = vm.$compiler.bindings[baseKey]
return binding
? binding.compiler.vm
: null
}
module.exports = ViewModel
});
require.register("vue/src/binding.js", function(exports, require, module){
/**
* Binding class.
*
* each property on the viewmodel has one corresponding Binding object
* which has multiple directive instances on the DOM
* and multiple computed property dependents
*/
function Binding (compiler, key, isExp, isFn) {
this.value = undefined
this.isExp = !!isExp
this.isFn = isFn
this.root = !this.isExp && key.indexOf('.') === -1
this.compiler = compiler
this.key = key
this.instances = []
this.subs = []
this.deps = []
}
var BindingProto = Binding.prototype
/**
* Process the value, then trigger updates on all dependents
*/
BindingProto.update = function (value) {
this.value = value
var i = this.instances.length
while (i--) {
this.instances[i].update(value)
}
this.pub()
}
/**
* -- computed property only --
* Force all instances to re-evaluate themselves
*/
BindingProto.refresh = function () {
var i = this.instances.length
while (i--) {
this.instances[i].refresh()
}
this.pub()
}
/**
* Notify computed properties that depend on this binding
* to update themselves
*/
BindingProto.pub = function () {
var i = this.subs.length
while (i--) {
this.subs[i].refresh()
}
}
/**
* Unbind the binding, remove itself from all of its dependencies
*/
BindingProto.unbind = function () {
var i = this.instances.length
while (i--) {
this.instances[i].unbind()
}
i = this.deps.length
var subs
while (i--) {
subs = this.deps[i].subs
subs.splice(subs.indexOf(this), 1)
}
}
module.exports = Binding
});
require.register("vue/src/observer.js", function(exports, require, module){
/* jshint proto:true */
var Emitter = require('./emitter'),
utils = require('./utils'),
depsOb = require('./deps-parser').observer,
// cache methods
typeOf = utils.typeOf,
def = utils.defProtected,
slice = Array.prototype.slice,
// Array mutation methods to wrap
methods = ['push','pop','shift','unshift','splice','sort','reverse'],
// fix for IE + __proto__ problem
// define methods as inenumerable if __proto__ is present,
// otherwise enumerable so we can loop through and manually
// attach to array instances
hasProto = ({}).__proto__
// The proxy prototype to replace the __proto__ of
// an observed array
var ArrayProxy = Object.create(Array.prototype)
// Define mutation interceptors so we can emit the mutation info
methods.forEach(function (method) {
def(ArrayProxy, method, function () {
var result = Array.prototype[method].apply(this, arguments)
this.__observer__.emit('mutate', this.__observer__.path, this, {
method: method,
args: slice.call(arguments),
result: result
})
return result
}, !hasProto)
})
// Augment it with several convenience methods
var extensions = {
remove: function (index) {
if (typeof index === 'function') {
var i = this.length,
removed = []
while (i--) {
if (index(this[i])) {
removed.push(this.splice(i, 1)[0])
}
}
return removed.reverse()
} else {
if (typeof index !== 'number') {
index = this.indexOf(index)
}
if (index > -1) {
return this.splice(index, 1)[0]
}
}
},
replace: function (index, data) {
if (typeof index === 'function') {
var i = this.length,
replaced = [],
replacer
while (i--) {
replacer = index(this[i])
if (replacer !== undefined) {
replaced.push(this.splice(i, 1, replacer)[0])
}
}
return replaced.reverse()
} else {
if (typeof index !== 'number') {
index = this.indexOf(index)
}
if (index > -1) {
return this.splice(index, 1, data)[0]
}
}
}
}
for (var method in extensions) {
def(ArrayProxy, method, extensions[method], !hasProto)
}
/**
* Watch an object based on type
*/
function watch (obj, path, observer) {
var type = typeOf(obj)
if (type === 'Object') {
watchObject(obj, path, observer)
} else if (type === 'Array') {
watchArray(obj, path, observer)
}
}
/**
* Watch an Object, recursive.
*/
function watchObject (obj, path, observer) {
for (var key in obj) {
var keyPrefix = key.charAt(0)
if (keyPrefix !== '$' && keyPrefix !== '_') {
bind(obj, key, path, observer)
}
}
}
/**
* Watch an Array, overload mutation methods
* and add augmentations by intercepting the prototype chain
*/
function watchArray (arr, path, observer) {
def(arr, '__observer__', observer)
observer.path = path
if (hasProto) {
arr.__proto__ = ArrayProxy
} else {
for (var key in ArrayProxy) {
def(arr, key, ArrayProxy[key])
}
}
}
/**
* Define accessors for a property on an Object
* so it emits get/set events.
* Then watch the value itself.
*/
function bind (obj, key, path, observer) {
var val = obj[key],
watchable = isWatchable(val),
values = observer.values,
fullKey = (path ? path + '.' : '') + key
values[fullKey] = val
// emit set on bind
// this means when an object is observed it will emit
// a first batch of set events.
observer.emit('set', fullKey, val)
Object.defineProperty(obj, key, {
enumerable: true,
get: function () {
// only emit get on tip values
if (depsOb.active && !watchable) {
observer.emit('get', fullKey)
}
return values[fullKey]
},
set: function (newVal) {
values[fullKey] = newVal
ensurePaths(key, newVal, values)
observer.emit('set', fullKey, newVal)
watch(newVal, fullKey, observer)
}
})
watch(val, fullKey, observer)
}
/**
* Check if a value is watchable
*/
function isWatchable (obj) {
var type = typeOf(obj)
return type === 'Object' || type === 'Array'
}
/**
* When a value that is already converted is
* observed again by another observer, we can skip
* the watch conversion and simply emit set event for
* all of its properties.
*/
function emitSet (obj, observer, set) {
if (typeOf(obj) === 'Array') {
set('length', obj.length)
} else {
var key, val, values = observer.values
for (key in observer.values) {
val = values[key]
set(key, val)
}
}
}
/**
* Sometimes when a binding is found in the template, the value might
* have not been set on the VM yet. To ensure computed properties and
* dependency extraction can work, we have to create a dummy value for
* any given path.
*/
function ensurePaths (key, val, paths) {
key += '.'
for (var path in paths) {
if (!path.indexOf(key)) {
ensurePath(val, path.replace(key, ''))
}
}
}
/**
* walk along a path and make sure it can be accessed
* and enumerated in that object
*/
function ensurePath (obj, key) {
if (typeOf(obj) !== 'Object') return
var path = key.split('.'), sec
for (var i = 0, d = path.length - 1; i < d; i++) {
sec = path[i]
if (!obj[sec]) obj[sec] = {}
obj = obj[sec]
}
if (typeOf(obj) === 'Object') {
sec = path[i]
if (!(sec in obj)) obj[sec] = undefined
}
}
module.exports = {
// used in v-repeat
watchArray: watchArray,
ensurePath: ensurePath,
ensurePaths: ensurePaths,
/**
* Observe an object with a given path,
* and proxy get/set/mutate events to the provided observer.
*/
observe: function (obj, rawPath, observer) {
if (isWatchable(obj)) {
var path = rawPath + '.',
ob, alreadyConverted = !!obj.__observer__
if (!alreadyConverted) {
def(obj, '__observer__', new Emitter())
}
ob = obj.__observer__
ob.values = ob.values || utils.hash()
var proxies = observer.proxies[path] = {
get: function (key) {
observer.emit('get', path + key)
},
set: function (key, val) {
observer.emit('set', path + key, val)
},
mutate: function (key, val, mutation) {
// if the Array is a root value
// the key will be null
var fixedPath = key ? path + key : rawPath
observer.emit('mutate', fixedPath, val, mutation)
// also emit set for Array's length when it mutates
var m = mutation.method
if (m !== 'sort' && m !== 'reverse') {
observer.emit('set', fixedPath + '.length', val.length)
}
}
}
ob
.on('get', proxies.get)
.on('set', proxies.set)
.on('mutate', proxies.mutate)
if (alreadyConverted) {
emitSet(obj, ob, proxies.set)
} else {
watch(obj, null, ob)
}
}
},
/**
* Cancel observation, turn off the listeners.
*/
unobserve: function (obj, path, observer) {
if (!obj || !obj.__observer__) return
path = path + '.'
var proxies = observer.proxies[path]
obj.__observer__
.off('get', proxies.get)
.off('set', proxies.set)
.off('mutate', proxies.mutate)
observer.proxies[path] = null
}
}
});
require.register("vue/src/directive.js", function(exports, require, module){
var config = require('./config'),
utils = require('./utils'),
directives = require('./directives'),
filters = require('./filters'),
// Regexes!
// regex to split multiple directive expressions
// split by commas, but ignore commas within quotes, parens and escapes.
SPLIT_RE = /(?:['"](?:\\.|[^'"])*['"]|\((?:\\.|[^\)])*\)|\\.|[^,])+/g,
// match up to the first single pipe, ignore those within quotes.
KEY_RE = /^(?:['"](?:\\.|[^'"])*['"]|\\.|[^\|]|\|\|)+/,
ARG_RE = /^([\w- ]+):(.+)$/,
FILTERS_RE = /\|[^\|]+/g,
FILTER_TOKEN_RE = /[^\s']+|'[^']+'/g,
NESTING_RE = /^\^+/,
SINGLE_VAR_RE = /^[\w\.\$]+$/
/**
* Directive class
* represents a single directive instance in the DOM
*/
function Directive (definition, expression, rawKey, compiler, node) {
this.compiler = compiler
this.vm = compiler.vm
this.el = node
var isSimple = expression === ''
// mix in properties from the directive definition
if (typeof definition === 'function') {
this[isSimple ? 'bind' : '_update'] = definition
} else {
for (var prop in definition) {
if (prop === 'unbind' || prop === 'update') {
this['_' + prop] = definition[prop]
} else {
this[prop] = definition[prop]
}
}
}
// empty expression, we're done.
if (isSimple) {
this.isSimple = true
return
}
this.expression = expression.trim()
this.rawKey = rawKey
parseKey(this, rawKey)
this.isExp = !SINGLE_VAR_RE.test(this.key)
var filterExps = this.expression.slice(rawKey.length).match(FILTERS_RE)
if (filterExps) {
this.filters = []
var i = 0, l = filterExps.length, filter
for (; i < l; i++) {
filter = parseFilter(filterExps[i], this.compiler)
if (filter) this.filters.push(filter)
}
if (!this.filters.length) this.filters = null
} else {
this.filters = null
}
}
var DirProto = Directive.prototype
/**
* parse a key, extract argument and nesting/root info
*/
function parseKey (dir, rawKey) {
var key = rawKey
if (rawKey.indexOf(':') > -1) {
var argMatch = rawKey.match(ARG_RE)
key = argMatch
? argMatch[2].trim()
: key
dir.arg = argMatch
? argMatch[1].trim()
: null
}
// nesting
var firstChar = key.charAt(0)
dir.root = firstChar === '*'
dir.nesting = firstChar === '^'
? key.match(NESTING_RE)[0].length
: false
if (dir.nesting) {
key = key.slice(dir.nesting)
} else if (dir.root) {
key = key.slice(1)
}
dir.key = key
}
/**
* parse a filter expression
*/
function parseFilter (filter, compiler) {
var tokens = filter.slice(1).match(FILTER_TOKEN_RE)
if (!tokens) return
tokens = tokens.map(function (token) {
return token.replace(/'/g, '').trim()
})
var name = tokens[0],
apply = compiler.getOption('filters', name) || filters[name]
if (!apply) {
utils.warn('Unknown filter: ' + name)
return
}
return {
name : name,
apply : apply,
args : tokens.length > 1
? tokens.slice(1)
: null
}
}
/**
* called when a new value is set
* for computed properties, this will only be called once
* during initialization.
*/
DirProto.update = function (value, init) {
if (!init && value === this.value) return
this.value = value
this.apply(value)
}
/**
* -- computed property only --
* called when a dependency has changed
*/
DirProto.refresh = function (value) {
// pass element and viewmodel info to the getter
// enables context-aware bindings
if (value) this.value = value
if (this.isFn) {
value = this.value
} else {
value = this.value.$get()
if (value !== undefined && value === this.computedValue) return
this.computedValue = value
}
this.apply(value)
}
/**
* Actually invoking the _update from the directive's definition
*/
DirProto.apply = function (value) {
this._update(
this.filters
? this.applyFilters(value)
: value
)
}
/**
* pipe the value through filters
*/
DirProto.applyFilters = function (value) {
var filtered = value, filter
for (var i = 0, l = this.filters.length; i < l; i++) {
filter = this.filters[i]
filtered = filter.apply.call(this.vm, filtered, filter.args)
}
return filtered
}
/**
* Unbind diretive
* @ param {Boolean} update
* Sometimes we call unbind before an update (i.e. not destroy)
* just to teardown previous stuff, in that case we do not want
* to null everything.
*/
DirProto.unbind = function (update) {
// this can be called before the el is even assigned...
if (!this.el) return
if (this._unbind) this._unbind(update)
if (!update) this.vm = this.el = this.binding = this.compiler = null
}
// exposed methods ------------------------------------------------------------
/**
* split a unquoted-comma separated expression into
* multiple clauses
*/
Directive.split = function (exp) {
return exp.indexOf(',') > -1
? exp.match(SPLIT_RE) || ['']
: [exp]
}
/**
* make sure the directive and expression is valid
* before we create an instance
*/
Directive.parse = function (dirname, expression, compiler, node) {
var prefix = config.prefix + '-'
if (dirname.indexOf(prefix) !== 0) return
dirname = dirname.slice(prefix.length)
var dir = compiler.getOption('directives', dirname) || directives[dirname]
if (!dir) return utils.warn('unknown directive: ' + dirname)
var rawKey
if (expression.indexOf('|') > -1) {
var keyMatch = expression.match(KEY_RE)
if (keyMatch) {
rawKey = keyMatch[0].trim()
}
} else {
rawKey = expression.trim()
}
// have a valid raw key, or be an empty directive
return (rawKey || expression === '')
? new Directive(dir, expression, rawKey, compiler, node)
: utils.warn('invalid directive expression: ' + expression)
}
module.exports = Directive
});
require.register("vue/src/exp-parser.js", function(exports, require, module){
var utils = require('./utils'),
hasOwn = Object.prototype.hasOwnProperty
// Variable extraction scooped from https://github.com/RubyLouvre/avalon
var KEYWORDS =
// keywords
'break,case,catch,continue,debugger,default,delete,do,else,false' +
',finally,for,function,if,in,instanceof,new,null,return,switch,this' +
',throw,true,try,typeof,var,void,while,with,undefined' +
// reserved
',abstract,boolean,byte,char,class,const,double,enum,export,extends' +
',final,float,goto,implements,import,int,interface,long,native' +
',package,private,protected,public,short,static,super,synchronized' +
',throws,transient,volatile' +
// ECMA 5 - use strict
',arguments,let,yield' +
// allow using Math in expressions
',Math',
KEYWORDS_RE = new RegExp(["\\b" + KEYWORDS.replace(/,/g, '\\b|\\b') + "\\b"].join('|'), 'g'),
REMOVE_RE = /\/\*(?:.|\n)*?\*\/|\/\/[^\n]*\n|\/\/[^\n]*$|'[^']*'|"[^"]*"|[\s\t\n]*\.[\s\t\n]*[$\w\.]+/g,
SPLIT_RE = /[^\w$]+/g,
NUMBER_RE = /\b\d[^,]*/g,
BOUNDARY_RE = /^,+|,+$/g
/**
* Strip top level variable names from a snippet of JS expression
*/
function getVariables (code) {
code = code
.replace(REMOVE_RE, '')
.replace(SPLIT_RE, ',')
.replace(KEYWORDS_RE, '')
.replace(NUMBER_RE, '')
.replace(BOUNDARY_RE, '')
return code
? code.split(/,+/)
: []
}
/**
* A given path could potentially exist not on the
* current compiler, but up in the parent chain somewhere.
* This function generates an access relationship string
* that can be used in the getter function by walking up
* the parent chain to check for key existence.
*
* It stops at top parent if no vm in the chain has the
* key. It then creates any missing bindings on the
* final resolved vm.
*/
function getRel (path, compiler) {
var rel = '',
vm = compiler.vm,
dot = path.indexOf('.'),
key = dot > -1
? path.slice(0, dot)
: path
while (true) {
if (hasOwn.call(vm, key)) {
break
} else {
if (vm.$parent) {
vm = vm.$parent
rel += '$parent.'
} else {
break
}
}
}
compiler = vm.$compiler
if (
!hasOwn.call(compiler.bindings, path) &&
path.charAt(0) !== '$'
) {
compiler.createBinding(path)
}
return rel
}
/**
* Create a function from a string...
* this looks like evil magic but since all variables are limited
* to the VM's scope it's actually properly sandboxed
*/
function makeGetter (exp, raw) {
/* jshint evil: true */
var fn
try {
fn = new Function(exp)
} catch (e) {
utils.warn('Invalid expression: ' + raw)
}
return fn
}
/**
* Escape a leading dollar sign for regex construction
*/
function escapeDollar (v) {
return v.charAt(0) === '$'
? '\\' + v
: v
}
module.exports = {
/**
* Parse and return an anonymous computed property getter function
* from an arbitrary expression, together with a list of paths to be
* created as bindings.
*/
parse: function (exp, compiler) {
// extract variable names
var vars = getVariables(exp)
if (!vars.length) {
return makeGetter('return ' + exp, exp)
}
vars = utils.unique(vars)
var accessors = '',
// construct a regex to extract all valid variable paths
// ones that begin with "$" are particularly tricky
// because we can't use \b for them
pathRE = new RegExp(
"[^$\\w\\.](" +
vars.map(escapeDollar).join('|') +
")[$\\w\\.]*\\b", 'g'
),
body = ('return ' + exp).replace(pathRE, function (path) {
// keep track of the first char
var c = path.charAt(0)
path = path.slice(1)
var val = 'this.' + getRel(path, compiler) + path
accessors += val + ';'
// don't forget to put that first char back
return c + val
})
body = accessors + body
return makeGetter(body, exp)
}
}
});
require.register("vue/src/text-parser.js", function(exports, require, module){
var BINDING_RE = /\{\{(.+?)\}\}/
module.exports = {
/**
* Parse a piece of text, return an array of tokens
*/
parse: function (text) {
if (!BINDING_RE.test(text)) return null
var m, i, tokens = []
/* jshint boss: true */
while (m = text.match(BINDING_RE)) {
i = m.index
if (i > 0) tokens.push(text.slice(0, i))
tokens.push({ key: m[1].trim() })
text = text.slice(i + m[0].length)
}
if (text.length) tokens.push(text)
return tokens
}
}
});
require.register("vue/src/deps-parser.js", function(exports, require, module){
var Emitter = require('./emitter'),
utils = require('./utils'),
observer = new Emitter()
/**
* Auto-extract the dependencies of a computed property
* by recording the getters triggered when evaluating it.
*/
function catchDeps (binding) {
if (binding.isFn) return
utils.log('\n─ ' + binding.key)
var depsHash = utils.hash()
observer.on('get', function (dep) {
if (depsHash[dep.key]) return
depsHash[dep.key] = 1
utils.log(' └─ ' + dep.key)
binding.deps.push(dep)
dep.subs.push(binding)
})
binding.value.$get()
observer.off('get')
}
module.exports = {
/**
* the observer that catches events triggered by getters
*/
observer: observer,
/**
* parse a list of computed property bindings
*/
parse: function (bindings) {
utils.log('\nparsing dependencies...')
observer.active = true
bindings.forEach(catchDeps)
observer.active = false
utils.log('\ndone.')
}
}
});
require.register("vue/src/filters.js", function(exports, require, module){
var keyCodes = {
enter : 13,
tab : 9,
'delete' : 46,
up : 38,
left : 37,
right : 39,
down : 40,
esc : 27
}
module.exports = {
/**
* 'abc' => 'Abc'
*/
capitalize: function (value) {
if (!value && value !== 0) return ''
value = value.toString()
return value.charAt(0).toUpperCase() + value.slice(1)
},
/**
* 'abc' => 'ABC'
*/
uppercase: function (value) {
return (value || value === 0)
? value.toString().toUpperCase()
: ''
},
/**
* 'AbC' => 'abc'
*/
lowercase: function (value) {
return (value || value === 0)
? value.toString().toLowerCase()
: ''
},
/**
* 12345 => $12,345.00
*/
currency: function (value, args) {
if (!value && value !== 0) return ''
var sign = (args && args[0]) || '$',
s = Math.floor(value).toString(),
i = s.length % 3,
h = i > 0 ? (s.slice(0, i) + (s.length > 3 ? ',' : '')) : '',
f = '.' + value.toFixed(2).slice(-2)
return sign + h + s.slice(i).replace(/(\d{3})(?=\d)/g, '$1,') + f
},
/**
* args: an array of strings corresponding to
* the single, double, triple ... forms of the word to
* be pluralized. When the number to be pluralized
* exceeds the length of the args, it will use the last
* entry in the array.
*
* e.g. ['single', 'double', 'triple', 'multiple']
*/
pluralize: function (value, args) {
return args.length > 1
? (args[value - 1] || args[args.length - 1])
: (args[value - 1] || args[0] + 's')
},
/**
* A special filter that takes a handler function,
* wraps it so it only gets triggered on specific keypresses.
*/
key: function (handler, args) {
if (!handler) return
var code = keyCodes[args[0]]
if (!code) {
code = parseInt(args[0], 10)
}
return function (e) {
if (e.keyCode === code) {
handler.call(this, e)
}
}
}
}
});
require.register("vue/src/transition.js", function(exports, require, module){
var endEvent = sniffTransitionEndEvent(),
config = require('./config'),
enterClass = config.enterClass,
leaveClass = config.leaveClass,
// exit codes for testing
codes = {
CSS_E : 1,
CSS_L : 2,
JS_E : 3,
JS_L : 4,
CSS_SKIP : -1,
JS_SKIP : -2,
JS_SKIP_E : -3,
JS_SKIP_L : -4,
INIT : -5,
SKIP : -6
}
/**
* stage:
* 1 = enter
* 2 = leave
*/
var transition = module.exports = function (el, stage, changeState, compiler) {
if (compiler.init) {
changeState()
return codes.INIT
}
var transitionId = el.vue_trans
if (transitionId) {
return applyTransitionFunctions(
el,
stage,
changeState,
transitionId,
compiler
)
} else if (transitionId === '') {
return applyTransitionClass(
el,
stage,
changeState
)
} else {
changeState()
return codes.SKIP
}
}
transition.codes = codes
/**
* Togggle a CSS class to trigger transition
*/
function applyTransitionClass (el, stage, changeState) {
if (!endEvent) {
changeState()
return codes.CSS_SKIP
}
var classList = el.classList,
lastLeaveCallback = el.vue_trans_cb
if (stage > 0) { // enter
// cancel unfinished leave transition
if (lastLeaveCallback) {
el.removeEventListener(endEvent, lastLeaveCallback)
el.vue_trans_cb = null
}
// set to hidden state before appending
classList.add(enterClass)
// append
changeState()
// force a layout so transition can be triggered
/* jshint unused: false */
var forceLayout = el.clientHeight
// trigger transition
classList.remove(enterClass)
return codes.CSS_E
} else { // leave
// trigger hide transition
classList.add(leaveClass)
var onEnd = function (e) {
if (e.target === el) {
el.removeEventListener(endEvent, onEnd)
el.vue_trans_cb = null
// actually remove node here
changeState()
classList.remove(leaveClass)
}
}
// attach transition end listener
el.addEventListener(endEvent, onEnd)
el.vue_trans_cb = onEnd
return codes.CSS_L
}
}
function applyTransitionFunctions (el, stage, changeState, functionId, compiler) {
var funcs = compiler.getOption('transitions', functionId)
if (!funcs) {
changeState()
return codes.JS_SKIP
}
var enter = funcs.enter,
leave = funcs.leave
if (stage > 0) { // enter
if (typeof enter !== 'function') {
changeState()
return codes.JS_SKIP_E
}
enter(el, changeState)
return codes.JS_E
} else { // leave
if (typeof leave !== 'function') {
changeState()
return codes.JS_SKIP_L
}
leave(el, changeState)
return codes.JS_L
}
}
/**
* Sniff proper transition end event name
*/
function sniffTransitionEndEvent () {
var el = document.createElement('vue'),
defaultEvent = 'transitionend',
events = {
'transition' : defaultEvent,
'MozTransition' : defaultEvent,
'WebkitTransition' : 'webkitTransitionEnd'
}
for (var name in events) {
if (el.style[name] !== undefined) {
return events[name]
}
}
}
});
require.register("vue/src/directives/index.js", function(exports, require, module){
var utils = require('../utils'),
transition = require('../transition')
module.exports = {
on : require('./on'),
repeat : require('./repeat'),
model : require('./model'),
'if' : require('./if'),
attr: function (value) {
this.el.setAttribute(this.arg, value)
},
text: function (value) {
this.el.textContent = utils.toText(value)
},
html: function (value) {
this.el.innerHTML = utils.toText(value)
},
visible: function (value) {
this.el.style.visibility = value ? '' : 'hidden'
},
show: function (value) {
var el = this.el,
target = value ? '' : 'none',
change = function () {
el.style.display = target
}
transition(el, value ? 1 : -1, change, this.compiler)
},
'class': function (value) {
if (this.arg) {
this.el.classList[value ? 'add' : 'remove'](this.arg)
} else {
if (this.lastVal) {
this.el.classList.remove(this.lastVal)
}
if (value) {
this.el.classList.add(value)
this.lastVal = value
}
}
},
style: {
bind: function () {
this.arg = convertCSSProperty(this.arg)
},
update: function (value) {
this.el.style[this.arg] = value
}
}
}
/**
* convert hyphen style CSS property to Camel style
*/
var CONVERT_RE = /-(.)/g
function convertCSSProperty (prop) {
if (prop.charAt(0) === '-') prop = prop.slice(1)
return prop.replace(CONVERT_RE, function (m, char) {
return char.toUpperCase()
})
}
});
require.register("vue/src/directives/if.js", function(exports, require, module){
var config = require('../config'),
transition = require('../transition')
module.exports = {
bind: function () {
this.parent = this.el.parentNode
this.ref = document.createComment(config.prefix + '-if-' + this.key)
this.el.vue_ref = this.ref
},
update: function (value) {
var el = this.el
if (!this.parent) { // the node was detached when bound
if (!el.parentNode) {
return
} else {
this.parent = el.parentNode
}
}
// should always have this.parent if we reach here
var parent = this.parent,
ref = this.ref,
compiler = this.compiler
if (!value) {
transition(el, -1, remove, compiler)
} else {
transition(el, 1, insert, compiler)
}
function remove () {
if (!el.parentNode) return
// insert the reference node
var next = el.nextSibling
if (next) {
parent.insertBefore(ref, next)
} else {
parent.appendChild(ref)
}
parent.removeChild(el)
}
function insert () {
if (el.parentNode) return
parent.insertBefore(el, ref)
parent.removeChild(ref)
}
},
unbind: function () {
this.el.vue_ref = null
}
}
});
require.register("vue/src/directives/repeat.js", function(exports, require, module){
var Observer = require('../observer'),
Emitter = require('../emitter'),
utils = require('../utils'),
config = require('../config'),
transition = require('../transition'),
ViewModel // lazy def to avoid circular dependency
/**
* Mathods that perform precise DOM manipulation
* based on mutator method triggered
*/
var mutationHandlers = {
push: function (m) {
var i, l = m.args.length,
base = this.collection.length - l
for (i = 0; i < l; i++) {
this.buildItem(m.args[i], base + i)
}
},
pop: function () {
var vm = this.vms.pop()
if (vm) vm.$destroy()
},
unshift: function (m) {
var i, l = m.args.length
for (i = 0; i < l; i++) {
this.buildItem(m.args[i], i)
}
},
shift: function () {
var vm = this.vms.shift()
if (vm) vm.$destroy()
},
splice: function (m) {
var i, l,
index = m.args[0],
removed = m.args[1],
added = m.args.length - 2,
removedVMs = this.vms.splice(index, removed)
for (i = 0, l = removedVMs.length; i < l; i++) {
removedVMs[i].$destroy()
}
for (i = 0; i < added; i++) {
this.buildItem(m.args[i + 2], index + i)
}
},
sort: function () {
var key = this.arg,
vms = this.vms,
col = this.collection,
l = col.length,
sorted = new Array(l),
i, j, vm, data
for (i = 0; i < l; i++) {
data = col[i]
for (j = 0; j < l; j++) {
vm = vms[j]
if (vm[key] === data) {
sorted[i] = vm
break
}
}
}
for (i = 0; i < l; i++) {
this.container.insertBefore(sorted[i].$el, this.ref)
}
this.vms = sorted
},
reverse: function () {
var vms = this.vms
vms.reverse()
for (var i = 0, l = vms.length; i < l; i++) {
this.container.insertBefore(vms[i].$el, this.ref)
}
}
}
module.exports = {
bind: function () {
var self = this,
el = self.el,
ctn = self.container = el.parentNode
// extract child VM information, if any
ViewModel = ViewModel || require('../viewmodel')
var componentId = utils.attr(el, 'component')
self.ChildVM = self.compiler.getOption('components', componentId) || ViewModel
// extract transition information
self.hasTrans = el.hasAttribute(config.attrs.transition)
// create a comment node as a reference node for DOM insertions
self.ref = document.createComment(config.prefix + '-repeat-' + self.arg)
ctn.insertBefore(self.ref, el)
ctn.removeChild(el)
self.initiated = false
self.collection = null
self.vms = null
self.mutationListener = function (path, arr, mutation) {
self.detach()
var method = mutation.method
mutationHandlers[method].call(self, mutation)
if (method !== 'push' && method !== 'pop') {
self.updateIndexes()
}
self.retach()
}
},
update: function (collection) {
this.unbind(true)
// attach an object to container to hold handlers
this.container.vue_dHandlers = utils.hash()
// if initiating with an empty collection, we need to
// force a compile so that we get all the bindings for
// dependency extraction.
if (!this.initiated && (!collection || !collection.length)) {
this.buildItem()
this.initiated = true
}
collection = this.collection = collection || []
this.vms = []
// listen for collection mutation events
// the collection has been augmented during Binding.set()
if (!collection.__observer__) Observer.watchArray(collection, null, new Emitter())
collection.__observer__.on('mutate', this.mutationListener)
// create child-vms and append to DOM
if (collection.length) {
this.detach()
for (var i = 0, l = collection.length; i < l; i++) {
this.buildItem(collection[i], i)
}
this.retach()
}
},
/**
* Create a new child VM from a data object
* passing along compiler options indicating this
* is a v-repeat item.
*/
buildItem: function (data, index) {
var node = this.el.cloneNode(true),
ctn = this.container,
scope = {},
ref, item
// append node into DOM first
// so v-if can get access to parentNode
if (data) {
ref = this.vms.length > index
? this.vms[index].$el
: this.ref
// make sure it works with v-if
if (!ref.parentNode) ref = ref.vue_ref
// process transition info before appending
node.vue_trans = utils.attr(node, 'transition', true)
transition(node, 1, function () {
ctn.insertBefore(node, ref)
}, this.compiler)
}
// set data on scope and compile
scope[this.arg] = data || {}
item = new this.ChildVM({
el: node,
scope: scope,
compilerOptions: {
repeat: true,
repeatIndex: index,
repeatCollection: this.collection,
repeatPrefix: this.arg,
parentCompiler: this.compiler,
delegator: ctn
}
})
if (!data) {
// this is a forced compile for an empty collection.
// let's remove it...
item.$destroy()
} else {
this.vms.splice(index, 0, item)
}
},
/**
* Update index of each item after a mutation
*/
updateIndexes: function () {
var i = this.vms.length
while (i--) {
this.vms[i].$index = i
}
},
/**
* Detach/retach the container from the DOM before mutation
* so that batch DOM updates are done in-memory and faster
*/
detach: function () {
if (this.hasTrans) return
var c = this.container,
p = this.parent = c.parentNode
this.next = c.nextSibling
if (p) p.removeChild(c)
},
retach: function () {
if (this.hasTrans) return
var n = this.next,
p = this.parent,
c = this.container
if (!p) return
if (n) {
p.insertBefore(c, n)
} else {
p.appendChild(c)
}
},
unbind: function () {
if (this.collection) {
this.collection.__observer__.off('mutate', this.mutationListener)
var i = this.vms.length
while (i--) {
this.vms[i].$destroy()
}
}
var ctn = this.container,
handlers = ctn.vue_dHandlers
for (var key in handlers) {
ctn.removeEventListener(handlers[key].event, handlers[key])
}
ctn.vue_dHandlers = null
}
}
});
require.register("vue/src/directives/on.js", function(exports, require, module){
var utils = require('../utils')
function delegateCheck (el, root, identifier) {
while (el && el !== root) {
if (el[identifier]) return el
el = el.parentNode
}
}
module.exports = {
isFn: true,
bind: function () {
if (this.compiler.repeat) {
// attach an identifier to the el
// so it can be matched during event delegation
this.el[this.expression] = true
// attach the owner viewmodel of this directive
this.el.vue_viewmodel = this.vm
}
},
update: function (handler) {
this.unbind(true)
if (typeof handler !== 'function') {
return utils.warn('Directive "on" expects a function value.')
}
var compiler = this.compiler,
event = this.arg,
ownerVM = this.binding.compiler.vm
if (compiler.repeat &&
// do not delegate if the repeat is combined with an extended VM
!this.vm.constructor.super &&
// blur and focus events do not bubble
event !== 'blur' && event !== 'focus') {
// for each blocks, delegate for better performance
// focus and blur events dont bubble so exclude them
var delegator = compiler.delegator,
identifier = this.expression,
dHandler = delegator.vue_dHandlers[identifier]
if (dHandler) return
// the following only gets run once for the entire each block
dHandler = delegator.vue_dHandlers[identifier] = function (e) {
var target = delegateCheck(e.target, delegator, identifier)
if (target) {
e.el = target
e.vm = target.vue_viewmodel
e.item = e.vm[compiler.repeatPrefix]
handler.call(ownerVM, e)
}
}
dHandler.event = event
delegator.addEventListener(event, dHandler)
} else {
// a normal, single element handler
var vm = this.vm
this.handler = function (e) {
e.el = e.currentTarget
e.vm = vm
if (compiler.repeat) {
e.item = vm[compiler.repeatPrefix]
}
handler.call(ownerVM, e)
}
this.el.addEventListener(event, this.handler)
}
},
unbind: function (update) {
this.el.removeEventListener(this.arg, this.handler)
this.handler = null
if (!update) this.el.vue_viewmodel = null
}
}
});
require.register("vue/src/directives/model.js", function(exports, require, module){
var utils = require('../utils'),
isIE9 = navigator.userAgent.indexOf('MSIE 9.0') > 0
module.exports = {
bind: function () {
var self = this,
el = self.el,
type = el.type
self.lock = false
// determine what event to listen to
self.event =
(self.compiler.options.lazy ||
el.tagName === 'SELECT' ||
type === 'checkbox' ||
type === 'radio')
? 'change'
: 'input'
// determin the attribute to change when updating
var attr = type === 'checkbox'
? 'checked'
: 'value'
// attach listener
self.set = self.filters
? function () {
// if this directive has filters
// we need to let the vm.$set trigger
// update() so filters are applied.
// therefore we have to record cursor position
// so that after vm.$set changes the input
// value we can put the cursor back at where it is
var cursorPos
try {
cursorPos = el.selectionStart
} catch (e) {}
// `input` event has weird updating issue with
// International (e.g. Chinese) input methods,
// have to use a Timeout to hack around it...
setTimeout(function () {
self.vm.$set(self.key, el[attr])
if (cursorPos !== undefined) {
el.setSelectionRange(cursorPos, cursorPos)
}
}, 0)
}
: function () {
// no filters, don't let it trigger update()
self.lock = true
self.vm.$set(self.key, el[attr])
self.lock = false
}
el.addEventListener(self.event, self.set)
// fix shit for IE9
// since it doesn't fire input on backspace / del / cut
if (isIE9) {
self.onCut = function () {
// cut event fires before the value actually changes
setTimeout(function () {
self.set()
}, 0)
}
self.onDel = function (e) {
if (e.keyCode === 46 || e.keyCode === 8) {
self.set()
}
}
el.addEventListener('cut', self.onCut)
el.addEventListener('keyup', self.onDel)
}
},
update: function (value) {
if (this.lock) return
/* jshint eqeqeq: false */
var self = this,
el = self.el
if (el.tagName === 'SELECT') { // select dropdown
// setting <select>'s value in IE9 doesn't work
var o = el.options,
i = o.length,
index = -1
while (i--) {
if (o[i].value == value) {
index = i
break
}
}
o.selectedIndex = index
} else if (el.type === 'radio') { // radio button
el.checked = value == el.value
} else if (el.type === 'checkbox') { // checkbox
el.checked = !!value
} else {
el.value = utils.toText(value)
}
},
unbind: function () {
this.el.removeEventListener(this.event, this.set)
if (isIE9) {
this.el.removeEventListener('cut', this.onCut)
this.el.removeEventListener('keyup', this.onDel)
}
}
}
});
require.alias("component-emitter/index.js", "vue/deps/emitter/index.js");
require.alias("component-emitter/index.js", "emitter/index.js");
require.alias("vue/src/main.js", "vue/index.js");if (typeof exports == "object") {
module.exports = require("vue");
} else if (typeof define == "function" && define.amd) {
define(function(){ return require("vue"); });
} else {
this["Vue"] = require("vue");
}})();