mirror of
https://github.com/JasonYANG170/IOTConnect-Web.git
synced 2024-11-27 14:16:34 +00:00
58 lines
2.0 KiB
JavaScript
58 lines
2.0 KiB
JavaScript
|
'use strict';
|
||
|
|
|
||
|
|
var clear = require('es5-ext/array/#/clear')
|
||
|
|
, assign = require('es5-ext/object/assign')
|
||
|
|
, setPrototypeOf = require('es5-ext/object/set-prototype-of')
|
||
|
|
, toStringTagSymbol = require('es6-symbol').toStringTag
|
||
|
|
, d = require('d')
|
||
|
|
, autoBind = require('d/auto-bind')
|
||
|
|
, Iterator = require('es6-iterator')
|
||
|
|
, kinds = require('./iterator-kinds')
|
||
|
|
|
||
|
|
, defineProperties = Object.defineProperties, keys = Object.keys
|
||
|
|
, unBind = Iterator.prototype._unBind
|
||
|
|
, PrimitiveMapIterator;
|
||
|
|
|
||
|
|
PrimitiveMapIterator = module.exports = function (map, kind) {
|
||
|
|
if (!(this instanceof PrimitiveMapIterator)) {
|
||
|
|
return new PrimitiveMapIterator(map, kind);
|
||
|
|
}
|
||
|
|
Iterator.call(this, keys(map.__mapKeysData__), map);
|
||
|
|
if (!kind || !kinds[kind]) kind = 'key+value';
|
||
|
|
defineProperties(this, {
|
||
|
|
__kind__: d('', kind),
|
||
|
|
__keysData__: d('w', map.__mapKeysData__),
|
||
|
|
__valuesData__: d('w', map.__mapValuesData__)
|
||
|
|
});
|
||
|
|
};
|
||
|
|
if (setPrototypeOf) setPrototypeOf(PrimitiveMapIterator, Iterator);
|
||
|
|
|
||
|
|
PrimitiveMapIterator.prototype = Object.create(Iterator.prototype, assign({
|
||
|
|
constructor: d(PrimitiveMapIterator),
|
||
|
|
_resolve: d(function (i) {
|
||
|
|
if (this.__kind__ === 'value') return this.__valuesData__[this.__list__[i]];
|
||
|
|
if (this.__kind__ === 'key') return this.__keysData__[this.__list__[i]];
|
||
|
|
return [this.__keysData__[this.__list__[i]],
|
||
|
|
this.__valuesData__[this.__list__[i]]];
|
||
|
|
}),
|
||
|
|
_unBind: d(function () {
|
||
|
|
this.__keysData__ = null;
|
||
|
|
this.__valuesData__ = null;
|
||
|
|
unBind.call(this);
|
||
|
|
}),
|
||
|
|
toString: d(function () { return '[object Map Iterator]'; })
|
||
|
|
}, autoBind({
|
||
|
|
_onAdd: d(function (key) { this.__list__.push(key); }),
|
||
|
|
_onDelete: d(function (key) {
|
||
|
|
var index = this.__list__.lastIndexOf(key);
|
||
|
|
if (index < this.__nextIndex__) return;
|
||
|
|
this.__list__.splice(index, 1);
|
||
|
|
}),
|
||
|
|
_onClear: d(function () {
|
||
|
|
clear.call(this.__list__);
|
||
|
|
this.__nextIndex__ = 0;
|
||
|
|
})
|
||
|
|
})));
|
||
|
|
Object.defineProperty(PrimitiveMapIterator.prototype, toStringTagSymbol,
|
||
|
|
d('c', 'Map Iterator'));
|