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author | Florian Dold <florian.dold@gmail.com> | 2017-08-14 05:01:11 +0200 |
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committer | Florian Dold <florian.dold@gmail.com> | 2017-08-14 05:02:09 +0200 |
commit | 363723fc84f7b8477592e0105aeb331ec9a017af (patch) | |
tree | 29f92724f34131bac64d6a318dd7e30612e631c7 /node_modules/es6-set/primitive/index.js | |
parent | 5634e77ad96bfe1818f6b6ee70b7379652e5487f (diff) |
node_modules
Diffstat (limited to 'node_modules/es6-set/primitive/index.js')
-rw-r--r-- | node_modules/es6-set/primitive/index.js | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/node_modules/es6-set/primitive/index.js b/node_modules/es6-set/primitive/index.js new file mode 100644 index 000000000..6bcad18d3 --- /dev/null +++ b/node_modules/es6-set/primitive/index.js @@ -0,0 +1,87 @@ +'use strict'; + +var callable = require('es5-ext/object/valid-callable') + , clear = require('es5-ext/object/clear') + , setPrototypeOf = require('es5-ext/object/set-prototype-of') + , d = require('d') + , iterator = require('es6-iterator/valid-iterable') + , forOf = require('es6-iterator/for-of') + , Set = require('../polyfill') + , Iterator = require('../lib/primitive-iterator') + , isNative = require('../is-native-implemented') + + , create = Object.create, defineProperties = Object.defineProperties + , defineProperty = Object.defineProperty, getPrototypeOf = Object.getPrototypeOf + , hasOwnProperty = Object.prototype.hasOwnProperty + , PrimitiveSet; + +module.exports = PrimitiveSet = function (/*iterable, serialize*/) { + var iterable = arguments[0], serialize = arguments[1], self; + if (!(this instanceof PrimitiveSet)) throw new TypeError('Constructor requires \'new\''); + if (isNative && setPrototypeOf) self = setPrototypeOf(new Set(), getPrototypeOf(this)); + else self = this; + if (iterable != null) iterator(iterable); + if (serialize !== undefined) { + callable(serialize); + defineProperty(self, '_serialize', d('', serialize)); + } + defineProperties(self, { + __setData__: d('c', create(null)), + __size__: d('w', 0) + }); + if (!iterable) return self; + forOf(iterable, function (value) { + var key = self._serialize(value); + if (key == null) throw new TypeError(value + " cannot be serialized"); + if (hasOwnProperty.call(self.__setData__, key)) return; + self.__setData__[key] = value; + ++self.__size__; + }); + return self; +}; +if (setPrototypeOf) setPrototypeOf(PrimitiveSet, Set); + +PrimitiveSet.prototype = create(Set.prototype, { + constructor: d(PrimitiveSet), + _serialize: d(function (value) { + if (value && (typeof value.toString !== 'function')) return null; + return String(value); + }), + add: d(function (value) { + var key = this._serialize(value); + if (key == null) throw new TypeError(value + " cannot be serialized"); + if (hasOwnProperty.call(this.__setData__, key)) return this; + this.__setData__[key] = value; + ++this.__size__; + this.emit('_add', key); + return this; + }), + clear: d(function () { + if (!this.__size__) return; + clear(this.__setData__); + this.__size__ = 0; + this.emit('_clear'); + }), + delete: d(function (value) { + var key = this._serialize(value); + if (key == null) return false; + if (!hasOwnProperty.call(this.__setData__, key)) return false; + delete this.__setData__[key]; + --this.__size__; + this.emit('_delete', key); + return true; + }), + entries: d(function () { return new Iterator(this, 'key+value'); }), + get: d(function (key) { + key = this._serialize(key); + if (key == null) return; + return this.__setData__[key]; + }), + has: d(function (value) { + var key = this._serialize(value); + if (key == null) return false; + return hasOwnProperty.call(this.__setData__, key); + }), + size: d.gs(function () { return this.__size__; }), + values: d(function () { return new Iterator(this); }) +}); |