diff options
Diffstat (limited to 'tools/eslint/node_modules/escope/node_modules/es6-map/node_modules/es6-set/lib/primitive-iterator.js')
-rw-r--r-- | tools/eslint/node_modules/escope/node_modules/es6-map/node_modules/es6-set/lib/primitive-iterator.js | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/tools/eslint/node_modules/escope/node_modules/es6-map/node_modules/es6-set/lib/primitive-iterator.js b/tools/eslint/node_modules/escope/node_modules/es6-map/node_modules/es6-set/lib/primitive-iterator.js new file mode 100644 index 0000000000..1f0326a3b5 --- /dev/null +++ b/tools/eslint/node_modules/escope/node_modules/es6-map/node_modules/es6-set/lib/primitive-iterator.js @@ -0,0 +1,53 @@ +'use strict'; + +var clear = require('es5-ext/array/#/clear') + , assign = require('es5-ext/object/assign') + , setPrototypeOf = require('es5-ext/object/set-prototype-of') + , contains = require('es5-ext/string/#/contains') + , d = require('d') + , autoBind = require('d/auto-bind') + , Iterator = require('es6-iterator') + , toStringTagSymbol = require('es6-symbol').toStringTag + + , defineProperties = Object.defineProperties, keys = Object.keys + , unBind = Iterator.prototype._unBind + , PrimitiveSetIterator; + +PrimitiveSetIterator = module.exports = function (set, kind) { + if (!(this instanceof PrimitiveSetIterator)) { + return new PrimitiveSetIterator(set, kind); + } + Iterator.call(this, keys(set.__setData__), set); + kind = (!kind || !contains.call(kind, 'key+value')) ? 'value' : 'key+value'; + defineProperties(this, { + __kind__: d('', kind), + __data__: d('w', set.__setData__) + }); +}; +if (setPrototypeOf) setPrototypeOf(PrimitiveSetIterator, Iterator); + +PrimitiveSetIterator.prototype = Object.create(Iterator.prototype, assign({ + constructor: d(PrimitiveSetIterator), + _resolve: d(function (i) { + var value = this.__data__[this.__list__[i]]; + return (this.__kind__ === 'value') ? value : [value, value]; + }), + _unBind: d(function () { + this.__data__ = null; + unBind.call(this); + }), + toString: d(function () { return '[object Set 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(PrimitiveSetIterator.prototype, toStringTagSymbol, + d('c', 'Set Iterator')); |