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BI-47381 deepEqual 性能

es6
Fay 5 years ago
parent
35e1efec5e
commit
b997da6fe5
1 changed files with 57 additions and 57 deletions
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  1. 98
      dist/fix/fix.ie.js

98
dist/fix/fix.ie.js vendored
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@ -15,6 +15,8 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
$vm: falsy
};
var $$skips = ['$accessors', '$vbthis', '$vbsetter', '$vm'];
var originalMethods = [];
_$1.each(['slice', 'splice'], function (method) {
originalMethods[method] = Array.prototype[method];
@ -128,7 +130,7 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
} else if (model && isPlainObject(model)) {
result = {};
for (var key in model) {
if (!_$1.has($$skipArray, key)) {
if ($$skips.indexOf(key) === -1) {
result[key] = toJSON(model[key]);
}
}
@ -148,15 +150,6 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
}
return toJSON(obj);
// const type = typeof obj;
//
// switch (type) {
// case 'object':
// return _.extend({}, obj);
// default:
// return obj;
// }
}
var nextTick = function () {
@ -263,8 +256,9 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
/* eslint no-use-before-define: ["off"] */
var deepEq = function deepEq(a, b, aStack, bStack) {
// Unwrap any wrapped objects.
if (a instanceof _$1) a = a._wrapped;
if (b instanceof _$1) b = b._wrapped;
// 先注释，没走过
// if (a instanceof _) a = a._wrapped;
// if (b instanceof _) b = b._wrapped;
// Compare `[[Class]]` names.
var className = toString.call(a);
if (className !== toString.call(b)) return false;
@ -343,7 +337,11 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
while (length--) {
// Deep compare each member
key = keys[length];
if (!(_$1.has(b, key) && eq(a[key], b[key], aStack, bStack))) return false;
if ($$skips.indexOf(key) !== -1) {
return true;
}
if (!(Object.keys(b).indexOf(key) !== -1 && eq(a[key], b[key], aStack, bStack))) return false;
}
}
// Remove the first object from the stack of traversed objects.
@ -371,37 +369,46 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
return deepEq(a, b, aStack, bStack);
};
var shadowEq = function shadowEq(a, b, aStack, bStack) {
// Identical objects are equal. `0 === -0`, but they aren't identical.
// See the [Harmony `egal` proposal](http://wiki.ecmascript.org/doku.php?id=harmony:egal).
if (a === b) return a !== 0 || 1 / a === 1 / b;
// `null` or `undefined` only equal to itself (strict comparison).
if (a == null || b == null) return false;
// `NaN`s are equivalent, but non-reflexive.
if (a !== a) return b !== b;
// Exhaust primitive checks
var type = typeof a;
if (type !== 'function' && type !== 'object' && typeof b != 'object') return false;
// export function isShadowEqual(a, b) {
// return shadowEq(a, b);
// }
// skip function
if (type === 'function') return true;
function isShadowEqual(a, b) {
if (a === b) return true;
if (Array.isArray(a) && Array.isArray(b) && (a.__ref__ || b.__ref__)) {
if (a.length !== b.length) return false;
// for (let i = 0; i < a.length; i++) {
// if (a[i] !== b[i]) {
// return false;
// }
// }
if (a && b && typeof a == 'object' && typeof b == 'object') {
if (a.constructor !== b.constructor) return false;
return a.__ref__ === b.__ref__;
var length, i, key, keys;
if (Array.isArray(a)) {
length = a.length;
if (length != b.length) return false;
for (i = length; i-- !== 0;) {
if (!isShadowEqual(a[i], b[i])) return false;
}return true;
}
return deepEq(a, b, aStack, bStack);
};
if (a.constructor === RegExp) return true;
if (a.valueOf !== Object.prototype.valueOf) return a.valueOf() === b.valueOf();
if (a.toString !== Object.prototype.toString) return a.toString() === b.toString();
function isShadowEqual(a, b) {
return shadowEq(a, b);
keys = Object.keys(a);
length = keys.length;
if (length !== Object.keys(b).length) return false;
for (i = length; i-- !== 0;) {
if (!Object.prototype.hasOwnProperty.call(b, keys[i])) return false;
}for (i = length; i-- !== 0;) {
key = keys[i];
if ($$skips.indexOf(key) !== -1) continue;
if (!isShadowEqual(a[key], b[key])) return false;
}
return true;
}
// true if both NaN, false otherwise
return a !== a && b !== b;
}
var mixinInjection = {};
@ -765,21 +772,13 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
});
}
function addToListenerQueue(vm, watcher, cur, last) {
var listener = {
id: watcher.id,
cb: _$1.bind(watcher.listener, vm, cur, last, vm)
};
watcher.sync === true ? vm.syncListeners.push(listener) : vm.asyncListeners.push(listener);
}
function digestState(vm) {
var dirty = false;
_$1.each(vm._stateWatchers, function (watcher, key) {
var cur = watcher.get();
var last = watcher.last;
if (!isShadowEqual(cur, last)) {
addToListenerQueue(vm, watcher, cur, last);
// addToListenerQueue(vm, watcher, cur, last);
vm.model[key] = cur;
dirty = true;
watcher.last = cloneShadow(cur);
@ -801,7 +800,7 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
var cur = watcher.get();
var last = watcher.last;
if (!isShadowEqual(cur, last)) {
addToListenerQueue(vm, watcher, cur, last);
// addToListenerQueue(vm, watcher, cur, last);
vm.model[key] = cur;
dirty = true;
dirtyQueue.push(key);
@ -902,7 +901,7 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
_$1.each(syncListeners, function (listener) {
listener.cb();
});
if (contextListeners.length !== 0 || asyncListeners.length !== 0) {
nextTick(function () {
_$1.each(contextListeners, function (listener) {
listener.cb();
@ -912,6 +911,7 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
});
});
}
}
function refreshAllDefineModel() {
_$1.each(allDefineModelInstances, function (insta) {

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