fineui是帆软报表和BI产品线所使用的前端框架。
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function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) : typeof define === 'function' && define.amd ? define(['exports'], factory) : factory(global.Fix = global.Fix || {});
})(this, function (exports) {
'use strict';
function noop(a, b, c) {}
function isNative(Ctor) {
return typeof Ctor === 'function' && /native code/.test(Ctor.toString());
}
var rhashcode = /\d\.\d{4}/;
//生成UUID http://stackoverflow.com/questions/105034/how-to-create-a-guid-uuid-in-javascript
function makeHashCode(prefix) {
/* istanbul ignore next*/
prefix = prefix || 'bi';
/* istanbul ignore next*/
return String(Math.random() + Math.random()).replace(rhashcode, prefix);
}
var hasProto = '__proto__' in {};
var getIEVersion = function getIEVersion() {
var version = 0;
var agent = navigator.userAgent.toLowerCase();
var v1 = agent.match(/(?:msie\s([\w.]+))/);
var v2 = agent.match(/(?:trident.*rv:([\w.]+))/);
if (v1 && v2 && v1[1] && v2[1]) {
version = Math.max(v1[1] * 1, v2[1] * 1);
} else if (v1 && v1[1]) {
version = v1[1] * 1;
} else if (v2 && v2[1]) {
version = v2[1] * 1;
} else {
version = 0;
}
return version;
};
var isIE9Below = getIEVersion() < 9;
var _toString = Object.prototype.toString;
function isPlainObject(obj) {
return _toString.call(obj) === '[object Object]';
}
function remove(arr, item) {
if (arr && arr.length) {
var _index = arr.indexOf(item);
if (_index > -1) {
return arr.splice(_index, 1);
}
}
}
var bailRE = /[^\w.$]/;
function parsePath(path) {
if (bailRE.test(path)) {
return;
}
var segments = path.split('.');
return function (obj) {
for (var i = 0; i < segments.length; i++) {
if (!obj) return;
obj = obj[segments[i]];
}
return obj;
};
}
var nextTick = function () {
var callbacks = [];
var pending = false;
var timerFunc = void 0;
function nextTickHandler() {
pending = false;
var copies = callbacks.slice(0);
callbacks.length = 0;
for (var i = 0; i < copies.length; i++) {
copies[i]();
}
}
// An asynchronous deferring mechanism.
// In pre 2.4, we used to use microtasks (Promise/MutationObserver)
// but microtasks actually has too high a priority and fires in between
// supposedly sequential events (e.g. #4521, #6690) or even between
// bubbling of the same event (#6566). Technically setImmediate should be
// the ideal choice, but it's not available everywhere; and the only polyfill
// that consistently queues the callback after all DOM events triggered in the
// same loop is by using MessageChannel.
/* istanbul ignore if */
if (typeof setImmediate !== 'undefined' && isNative(setImmediate)) {
timerFunc = function timerFunc() {
setImmediate(nextTickHandler);
};
} else if (typeof MessageChannel !== 'undefined' && (isNative(MessageChannel) ||
// PhantomJS
MessageChannel.toString() === '[object MessageChannelConstructor]')) {
var channel = new MessageChannel();
var port = channel.port2;
channel.port1.onmessage = nextTickHandler;
timerFunc = function timerFunc() {
port.postMessage(1);
};
} else
/* istanbul ignore next */
if (typeof Promise !== 'undefined' && isNative(Promise)) {
// use microtask in non-DOM environments, e.g. Weex
var p = Promise.resolve();
timerFunc = function timerFunc() {
p.then(nextTickHandler);
};
} else {
// fallback to setTimeout
timerFunc = function timerFunc() {
setTimeout(nextTickHandler, 0);
};
}
return function queueNextTick(cb, ctx) {
var _resolve = void 0;
callbacks.push(function () {
if (cb) {
try {
cb.call(ctx);
} catch (e) {}
} else if (_resolve) {
_resolve(ctx);
}
});
if (!pending) {
pending = true;
timerFunc();
}
// $flow-disable-line
if (!cb && typeof Promise !== 'undefined') {
return new Promise(function (resolve, reject) {
_resolve = resolve;
});
}
};
}();
var falsy;
var $$skipArray = {
__ob__: falsy,
$accessors: falsy,
$vbthis: falsy,
$vbsetter: falsy
};
var uid = 0;
/**
* A dep is an observable that can have multiple
* directives subscribing to it.
*/
var Dep = function () {
function Dep() {
_classCallCheck(this, Dep);
this.id = uid++;
this.subs = [];
}
Dep.prototype.addSub = function addSub(sub) {
this.subs.push(sub);
};
Dep.prototype.removeSub = function removeSub(sub) {
remove(this.subs, sub);
};
Dep.prototype.depend = function depend() {
if (Dep.target) {
Dep.target.addDep(this);
}
};
Dep.prototype.notify = function notify() {
// stabilize the subscriber list first
var subs = this.subs.slice();
for (var i = 0, l = subs.length; i < l; i++) {
subs[i].update();
}
};
return Dep;
}();
// 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 arrayProto = Array.prototype;
var arrayMethods = [];
_.each(['push', 'pop', 'shift', 'unshift', 'splice', 'sort', 'reverse'], function (method) {
var original = arrayProto[method];
arrayMethods[method] = function mutator() {
for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
args[_key] = arguments[_key];
}
var ob = this.__ob__;
var inserted = void 0;
switch (method) {
case 'push':
case 'unshift':
inserted = args;
break;
case 'splice':
inserted = args.slice(2);
break;
}
if (inserted) inserted = ob.observeArray(inserted);
switch (method) {
case 'push':
case 'unshift':
args = inserted;
break;
case 'splice':
args = [args[0], args[1]].concat(inserted ? inserted : []);
break;
}
var result = original.apply(this, args);
ob.dep.notify();
return result;
};
});
//如果浏览器不支持ecma262v5的Object.defineProperties或者存在BUG,比如IE8
//标准浏览器使用__defineGetter__, __defineSetter__实现
var canHideProperty = true;
try {
Object.defineProperty({}, '_', {
value: 'x'
});
delete $$skipArray.$vbsetter;
delete $$skipArray.$vbthis;
} catch (e) {
/* istanbul ignore next*/
canHideProperty = false;
}
var createViewModel = Object.defineProperties;
var defineProperty = void 0;
var timeBucket = new Date() - 0;
/* istanbul ignore if*/
if (!canHideProperty) {
if ('__defineGetter__' in {}) {
defineProperty = function defineProperty(obj, prop, desc) {
if ('value' in desc) {
obj[prop] = desc.value;
}
if ('get' in desc) {
obj.__defineGetter__(prop, desc.get);
}
if ('set' in desc) {
obj.__defineSetter__(prop, desc.set);
}
return obj;
};
createViewModel = function createViewModel(obj, descs) {
for (var prop in descs) {
if (descs.hasOwnProperty(prop)) {
defineProperty(obj, prop, descs[prop]);
}
}
return obj;
};
}
/* istanbul ignore if*/
if (isIE9Below) {
var VBClassPool = {};
window.execScript([// jshint ignore:line
'Function parseVB(code)', '\tExecuteGlobal(code)', 'End Function' //转换一段文本为VB代码
].join('\n'), 'VBScript');
var VBMediator = function VBMediator(instance, accessors, name, value) {
// jshint ignore:line
var accessor = accessors[name];
if (arguments.length === 4) {
accessor.set.call(instance, value);
} else {
return accessor.get.call(instance);
}
};
createViewModel = function createViewModel(name, accessors, properties) {
// jshint ignore:line
var buffer = [];
buffer.push('\tPrivate [$vbsetter]', '\tPublic [$accessors]', '\tPublic Default Function [$vbthis](ac' + timeBucket + ', s' + timeBucket + ')', '\t\tSet [$accessors] = ac' + timeBucket + ': set [$vbsetter] = s' + timeBucket, '\t\tSet [$vbthis] = Me', //链式调用
'\tEnd Function');
//添加普通属性,因为VBScript对象不能像JS那样随意增删属性,必须在这里预先定义好
var uniq = {
$vbthis: true,
$vbsetter: true,
$accessors: true
};
for (name in $$skipArray) {
if (!uniq[name]) {
buffer.push('\tPublic [' + name + ']');
uniq[name] = true;
}
}
//添加访问器属性
for (name in accessors) {
if (uniq[name]) {
continue;
}
uniq[name] = true;
buffer.push(
//由于不知对方会传入什么,因此set, let都用上
'\tPublic Property Let [' + name + '](val' + timeBucket + ')', //setter
'\t\tCall [$vbsetter](Me, [$accessors], "' + name + '", val' + timeBucket + ')', '\tEnd Property', '\tPublic Property Set [' + name + '](val' + timeBucket + ')', //setter
'\t\tCall [$vbsetter](Me, [$accessors], "' + name + '", val' + timeBucket + ')', '\tEnd Property', '\tPublic Property Get [' + name + ']', //getter
'\tOn Error Resume Next', //必须优先使用set语句,否则它会误将数组当字符串返回
'\t\tSet[' + name + '] = [$vbsetter](Me, [$accessors],"' + name + '")', '\tIf Err.Number <> 0 Then', '\t\t[' + name + '] = [$vbsetter](Me, [$accessors],"' + name + '")', '\tEnd If', '\tOn Error Goto 0', '\tEnd Property');
}
for (name in properties) {
if (!uniq[name]) {
uniq[name] = true;
buffer.push('\tPublic [' + name + ']');
}
}
buffer.push('\tPublic [hasOwnProperty]');
buffer.push('End Class');
var body = buffer.join('\r\n');
var className = VBClassPool[body];
if (!className) {
className = makeHashCode('VBClass');
window.parseVB('Class ' + className + body);
window.parseVB(['Function ' + className + 'Factory(acc, vbm)', //创建实例并传入两个关键的参数
'\tDim o', '\tSet o = (New ' + className + ')(acc, vbm)', '\tSet ' + className + 'Factory = o', 'End Function'].join('\r\n'));
VBClassPool[body] = className;
}
var ret = window[className + 'Factory'](accessors, VBMediator); //得到其产品
return ret; //得到其产品
};
}
}
var createViewModel$1 = createViewModel;
var arrayKeys = _.keys(arrayMethods);
var observerState = {
shouldConvert: true
};
/**
* 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 () {
function Observer(value) {
_classCallCheck(this, Observer);
this.value = value;
this.dep = new Dep();
this.vmCount = 0;
if (_.isArray(value)) {
var augment = hasProto ? protoAugment : copyAugment;
augment(value, arrayMethods, arrayKeys);
this.model = this.observeArray(value);
} else {
this.model = this.walk(value);
}
this.model['__ob__'] = this;
}
Observer.prototype.walk = function walk(obj) {
return defineReactive(obj, this);
};
Observer.prototype.observeArray = function observeArray(items) {
for (var i = 0, l = items.length; i < l; i++) {
var ob = observe(items[i], this, i);
items[i] = ob ? ob.model : items[i];
}
return items;
};
return Observer;
}();
function protoAugment(target, src, keys) {
/* eslint-disable no-proto */
target.__proto__ = src;
/* eslint-enable no-proto */
}
/* istanbul ignore next */
function copyAugment(target, src, keys) {
for (var i = 0, l = keys.length; i < l; i++) {
var key = keys[i];
target[key] = src[key];
}
}
function observe(value, parentObserver, parentKey) {
if (!_.isObject(value)) {
return;
}
var ob = void 0;
if (_.has(value, '__ob__') && value.__ob__ instanceof Observer) {
ob = value.__ob__;
} else if (observerState.shouldConvert && (_.isArray(value) || isPlainObject(value))) {
ob = new Observer(value);
}
ob.parent = parentObserver || ob.parent;
ob.parentKey = parentKey;
return ob;
}
function notify(model, key, dep) {
dep.notify();
//触发a.*绑定的依赖
_.each(model.__ob__._deps, function (dep) {
dep.notify();
});
//触发a.**绑定的依赖
var parent = model.__ob__,
root = model.__ob__,
route = key;
while (parent) {
_.each(parent._scopeDeps, function (dep) {
dep.notify();
});
if (parent.parentKey != null) {
route = parent.parentKey + '.' + route;
}
root = parent;
parent = parent.parent;
}
for (var _key2 in root._globalDeps) {
var reg = new RegExp(_key2);
if (reg.test(route)) {
root._globalDeps[_key2].notify();
}
}
}
function defineReactive(obj, observer, shallow) {
var props = {};
var model = void 0;
if (typeof Proxy === 'function') {
var deps = {},
childObs = {},
cache = {};
_.each(obj, function (val, key) {
if (key in $$skipArray) {
return;
}
cache[key] = val;
var dep = deps[key] = observer && observer['__dep' + key] || new Dep();
observer && (observer['__dep' + key] = dep);
childObs[key] = !shallow && observe(val, observer, key);
});
return model = new Proxy(props, {
has: function has(target, key) {
return key in obj;
},
get: function get(target, key) {
if (key in $$skipArray) {
return target[key];
}
var value = cache[key];
if (Dep.target) {
deps[key].depend();
if (childObs[key]) {
childObs[key].dep.depend();
if (_.isArray(value)) {
dependArray(value);
}
}
}
return value;
},
set: function set(target, key, newVal) {
if (key in $$skipArray) {
return target[key] = newVal;
}
var value = cache[key],
dep = deps[key];
if (newVal === value || newVal !== newVal && value !== value) {
return newVal;
}
cache[key] = newVal;
childObs[key] = !shallow && observe(newVal, observer, key);
obj[key] = childObs[key] ? childObs[key].model : newVal;
notify(model, key, dep);
return obj[key];
}
});
}
_.each(obj, function (val, key) {
if (key in $$skipArray) {
return;
}
var dep = observer && observer['__dep' + key] || new Dep();
observer && (observer['__dep' + key] = dep);
var childOb = !shallow && observe(val, observer, key);
props[key] = {
enumerable: true,
configurable: true,
get: function reactiveGetter() {
var value = val;
if (Dep.target) {
dep.depend();
if (childOb) {
childOb.dep.depend();
if (_.isArray(value)) {
dependArray(value);
}
}
}
return value;
},
set: function reactiveSetter(newVal) {
var value = val;
if (newVal === value || newVal !== newVal && value !== value) {
return;
}
val = newVal;
childOb = !shallow && observe(newVal, observer, key);
obj[key] = childOb ? childOb.model : newVal;
notify(model, key, dep);
}
};
});
return model = createViewModel$1(obj, props);
}
/**
* Set a property on an object. Adds the new property and
* triggers change notification if the property doesn't
* already exist.
*/
function set(target, key, val) {
if (_.isArray(target)) {
target.length = Math.max(target.length, key);
target.splice(key, 1, val);
return val;
}
if (_.has(target, key)) {
target[key] = val;
return val;
}
var ob = target.__ob__;
if (!ob) {
target[key] = val;
return val;
}
ob.value[key] = val;
target = defineReactive(ob.value, ob);
ob.dep.notify();
return target;
}
/**
* Delete a property and trigger change if necessary.
*/
function del(target, key) {
if (_.isArray(target)) {
target.splice(key, 1);
return;
}
var ob = target.__ob__;
if (!_.has(target, key)) {
return;
}
if (!ob) {
delete target[key];
return target;
}
delete ob.value[key];
target = defineReactive(ob.value, ob);
ob.dep.notify();
return target;
}
/**
* Collect dependencies on array elements when the array is touched, since
* we cannot intercept array element access like property getters.
*/
function dependArray(value) {
for (var e, i = 0, l = value.length; i < l; i++) {
e = value[i];
e && e.__ob__ && e.__ob__.dep.depend();
if (_.isArray(e)) {
dependArray(e);
}
}
}
var queue = [];
var activatedChildren = [];
var has = {};
var waiting = false;
var flushing = false;
var index = 0;
function resetSchedulerState() {
index = queue.length = activatedChildren.length = 0;
has = {};
waiting = flushing = false;
}
function flushSchedulerQueue() {
flushing = true;
var watcher = void 0,
id = void 0;
// 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++) {
watcher = queue[index];
id = watcher.id;
has[id] = null;
watcher.run();
}
resetSchedulerState();
}
function queueWatcher(watcher) {
var id = watcher.id;
if (has[id] == null) {
has[id] = true;
if (!flushing) {
queue.push(watcher);
} else {
// if already flushing, splice the watcher based on its id
// if already past its id, it will be run next immediately.
var i = queue.length - 1;
while (i > index && queue[i].id > watcher.id) {
i--;
}
queue.splice(i + 1, 0, watcher);
}
// queue the flush
if (!waiting) {
waiting = true;
nextTick(flushSchedulerQueue);
}
}
}
var uid$1 = 0;
var Watcher = function () {
function Watcher(vm, expOrFn, cb, options) {
_classCallCheck(this, Watcher);
this.vm = vm;
// vm._watchers || (vm._watchers = [])
// vm._watchers.push(this)
// options
if (options) {
this.deep = !!options.deep;
this.user = !!options.user;
this.lazy = !!options.lazy;
this.sync = !!options.sync;
} else {
this.deep = this.user = this.lazy = this.sync = false;
}
this.cb = cb;
this.id = ++uid$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();
this.expression = '';
// parse expression for getter
if (typeof expOrFn === 'function') {
this.getter = expOrFn;
} else {
this.getter = parsePath(expOrFn);
if (!this.getter) {
this.getter = function () {};
}
}
this.value = this.lazy ? undefined : this.get();
}
Watcher.prototype.get = function get() {
pushTarget(this);
var value = void 0;
var vm = this.vm;
try {
value = this.getter.call(vm, vm);
} catch (e) {
if (this.user) {} else {
throw e;
}
} finally {
// "touch" every property so they are all tracked as
// dependencies for deep watching
if (this.deep) {
traverse(value);
}
popTarget();
this.cleanupDeps();
}
return value;
};
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);
}
}
};
Watcher.prototype.cleanupDeps = function cleanupDeps() {
var i = this.deps.length;
while (i--) {
var dep = this.deps[i];
if (!this.newDepIds.has(dep.id)) {
dep.removeSub(this);
}
}
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;
};
Watcher.prototype.update = function update() {
/* istanbul ignore else */
if (this.lazy) {
this.dirty = true;
} else if (this.sync) {
this.run();
} else {
queueWatcher(this);
}
};
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) {}
} else {
this.cb.call(this.vm, value, oldValue);
}
}
}
};
Watcher.prototype.evaluate = function evaluate() {
this.value = this.get();
this.dirty = false;
};
Watcher.prototype.depend = function depend() {
var i = this.deps.length;
while (i--) {
this.deps[i].depend();
}
};
Watcher.prototype.teardown = function teardown() {
if (this.active) {
// remove self from vm's watcher list
// this is a somewhat expensive operation so we skip it
// if the vm is being destroyed.
if (!this.vm._isBeingDestroyed) {
remove(this.vm._watchers, this);
}
var i = this.deps.length;
while (i--) {
this.deps[i].removeSub(this);
}
this.active = false;
}
};
return Watcher;
}();
var seenObjects = new Set();
function traverse(val) {
seenObjects.clear();
_traverse(val, seenObjects);
}
function _traverse(val, seen) {
var i = void 0,
keys = void 0;
var isA = _.isArray(val);
if (!isA && !_.isObject(val)) {
return;
}
if (val.__ob__) {
var depId = val.__ob__.dep.id;
if (seen.has(depId)) {
return;
}
seen.add(depId);
}
if (isA) {
i = val.length;
while (i--) {
_traverse(val[i], seen);
}
} else {
keys = _.keys(val);
i = keys.length;
while (i--) {
_traverse(val[keys[i]], seen);
}
}
}
var computedWatcherOptions = { lazy: true };
function initState(vm, state) {
vm.$$state = observe(state).model;
}
function initComputed(vm, computed) {
var watchers = vm._computedWatchers = {};
defineComputed(vm, computed);
for (var key in computed) {
var userDef = computed[key],
context = vm.$$model ? vm.model : vm;
var getter = typeof userDef === 'function' ? _.bind(userDef, context) : _.bind(userDef.get, context);
watchers[key] = new Watcher(vm.$$computed, getter || noop, noop, computedWatcherOptions);
}
}
function defineComputed(vm, computed) {
var props = {};
if (typeof Proxy === 'function') {
return vm.$$computed = new Proxy(props, {
has: function has(target, key) {
return computed && key in computed;
},
get: function get(target, key) {
return createComputedGetter(vm, key)();
}
});
}
var shouldCache = true;
for (var key in computed) {
if (!(key in vm)) {
var sharedPropertyDefinition = {
enumerable: true,
configurable: true,
get: noop,
set: noop
};
var userDef = computed[key];
if (typeof userDef === 'function') {
sharedPropertyDefinition.get = createComputedGetter(vm, key);
sharedPropertyDefinition.set = noop;
} else {
sharedPropertyDefinition.get = userDef.get ? shouldCache && userDef.cache !== false ? createComputedGetter(key) : userDef.get : noop;
sharedPropertyDefinition.set = userDef.set ? userDef.set : noop;
}
props[key] = sharedPropertyDefinition;
}
}
vm.$$computed = createViewModel$1({}, props);
}
function createComputedGetter(vm, key) {
return function computedGetter() {
var watcher = vm._computedWatchers && vm._computedWatchers[key];
if (watcher) {
if (watcher.dirty) {
watcher.evaluate();
}
if (Dep.target) {
watcher.depend();
}
return watcher.value;
}
};
}
function initMethods(vm, methods) {
for (var key in methods) {
vm[key] = methods[key] == null ? noop : _.bind(methods[key], vm.$$model ? vm.model : vm);
}
}
function defineProps(vm, keys) {
var props = {};
if (typeof Proxy === 'function') {
return vm.model = new Proxy(props, {
has: function has(target, key) {
return keys.indexOf(key) > -1;
},
get: function get(target, key) {
if (key in $$skipArray) {
return props[key];
}
if (vm.$$computed && key in vm.$$computed) {
return vm.$$computed[key];
}
if (vm.$$state && key in vm.$$state) {
return vm.$$state[key];
}
return vm.$$model[key];
},
set: function set(target, key, val) {
if (key in $$skipArray) {
return props[key] = val;
}
if (vm.$$state && key in vm.$$state) {
return vm.$$state[key] = val;
}
if (vm.$$model && key in vm.$$model) {
return vm.$$model[key] = val;
}
}
});
}
var _loop = function _loop(i, len) {
var key = keys[i];
if (!(key in $$skipArray)) {
props[key] = {
enumerable: true,
configurable: true,
get: function get() {
if (vm.$$computed && key in vm.$$computed) {
return vm.$$computed[key];
}
if (vm.$$state && key in vm.$$state) {
return vm.$$state[key];
}
return vm.$$model[key];
},
set: function set(val) {
if (vm.$$state && key in vm.$$state) {
return vm.$$state[key] = val;
}
if (vm.$$model && key in vm.$$model) {
return vm.$$model[key] = val;
}
}
};
}
};
for (var i = 0, len = keys.length; i < len; i++) {
_loop(i, len);
}
vm.model = createViewModel$1({}, props);
}
var VM = function () {
function VM(model) {
_classCallCheck(this, VM);
if (model instanceof Observer || model instanceof VM) {
model = model.model;
}
if (_.has(model, '__ob__')) {
this.$$model = model;
} else {
this.options = model || {};
}
var state = this.state && this.state();
var keys = _.keys(this.$$model).concat(_.keys(state)).concat(_.keys(this.computed));
defineProps(this, keys);
this.$$model && (this.model.__ob__ = this.$$model.__ob__);
state && initState(this, state);
initComputed(this, this.computed);
initMethods(this, this.actions);
this._init();
if (this.$$model) {
return this.model;
}
}
VM.prototype._init = function _init() {};
VM.prototype.destroy = function destroy() {
for (var _key3 in this._computedWatchers) {
this._computedWatchers[_key3].teardown();
}
};
return VM;
}();
var falsy$1;
var operators = {
'||': falsy$1,
'&&': falsy$1,
'(': falsy$1,
')': falsy$1
};
function runBinaryFunction(binarys) {
var expr = '';
for (var i = 0, len = binarys.length; i < len; i++) {
if (_.isBoolean(binarys[i]) || _.has(operators, binarys[i])) {
expr += binarys[i];
} else {
expr += 'false';
}
}
return new Function('return ' + expr)();
}
function routeToRegExp(route) {
route = route.replace(/\*./g, '[a-zA-Z0-9_]+.');
return '^' + route + '$';
}
function watch(model, expOrFn, cb, options) {
if (isPlainObject(cb)) {
options = cb;
cb = cb.handler;
}
if (typeof cb === 'string') {
cb = model[cb];
}
options = options || {};
options.user = true;
var exps = void 0;
if (_.isFunction(expOrFn) || !(exps = expOrFn.match(/[a-zA-Z0-9_.*]+|[|][|]|[&][&]|[(]|[)]/g)) || exps.length === 1 && !/\*/.test(expOrFn)) {
var watcher = new Watcher(model, expOrFn, cb, options);
if (options.immediate) {
cb(watcher.value);
}
return function unwatchFn() {
watcher.teardown();
};
}
var watchers = [];
var fns = exps.slice();
var complete = false,
running = false;
var callback = function callback(index) {
if (complete === true) {
return;
}
fns[index] = true;
if (runBinaryFunction(fns)) {
complete = true;
cb();
}
if (!running) {
running = true;
nextTick(function () {
complete = false;
running = false;
fns = exps.slice();
});
}
};
_.each(exps, function (exp, i) {
if (_.has(operators, exp)) {
return;
}
//a.**或a.*形式
if (/^[1-9a-zA-Z.]+(\*\*$|\*$)/.test(exp)) {
var isGlobal = /\*\*$/.test(exp);
if (isGlobal) {
//a.**的形式
exp = exp.replace(".**", "");
} else {
//a.*的形式
exp = exp.replace(".*", "");
}
var getter = parsePath(exp);
var v = getter.call(model, model);
var dep = new Dep();
if (isGlobal) {
(v.__ob__._scopeDeps || (v.__ob__._scopeDeps = [])).push(dep);
} else {
(v.__ob__._deps || (v.__ob__._deps = [])).push(dep);
}
var w = new Watcher(model, function () {
dep.depend();
return NaN;
}, function () {
callback(i);
});
watchers.push(function unwatchFn() {
w.teardown();
v.__ob__._scopeDeps && remove(v.__ob__._scopeDeps, dep);
v.__ob__._deps && remove(v.__ob__._deps, dep);
});
return;
}
if (/\*\*$|\*$/.test(exp)) {
throw new Error('not support');
}
//其他含有*的情况,如*.a,*.*.a,a.*.a.*
if (/\*/.test(exp)) {
//补全路径
var parent = model.__ob__.parent,
root = model.__ob__;
while (parent) {
exp = '*.' + exp;
root = parent;
parent = parent.parent;
}
var regStr = routeToRegExp(exp);
var _dep = new Dep();
root._globalDeps || (root._globalDeps = {});
root._globalDeps[regStr] = _dep;
var _w = new Watcher(model, function () {
_dep.depend();
return NaN;
}, function () {
callback(i);
});
watchers.push(function unwatchFn() {
_w.teardown();
root._globalDeps && delete root._globalDeps[regStr];
});
return;
}
var watcher = new Watcher(model, exp, function () {
callback(i);
}, options);
watchers.push(function unwatchFn() {
watcher.teardown();
});
});
return watchers;
}
function toJSON(model) {
var result = void 0;
if (_.isArray(model)) {
result = [];
for (var i = 0, len = model.length; i < len; i++) {
result[i] = toJSON(model[i]);
}
} else if (isPlainObject(model)) {
result = {};
for (var _key4 in model) {
if (!_.has($$skipArray, _key4)) {
result[_key4] = toJSON(model[_key4]);
}
}
} else {
result = model;
}
return result;
}
function define(model) {
return new Observer(model).model;
}
var version = '2.0';
exports.define = define;
exports.version = version;
exports.$$skipArray = $$skipArray;
exports.VM = VM;
exports.observerState = observerState;
exports.Observer = Observer;
exports.observe = observe;
exports.defineReactive = defineReactive;
exports.set = set;
exports.del = del;
exports.Watcher = Watcher;
exports.watch = watch;
exports.toJSON = toJSON;
exports.__esModule = true;
});