ECMAScript6 Set polyfill
npm install es6-set[![Build status][build-image]][build-url]
[![Tests coverage][cov-image]][cov-url]
[![npm version][npm-image]][npm-url]
**Warning:
v0.1 version does not ensure O(1) algorithm complexity (but O(n)). This shortcoming will be addressed in v1.0**
If you want to make sure your environment implements Set, do:
``javascript`
require("es6-set/implement");
If you'd like to use native version when it exists and fallback to polyfill if it doesn't, but without implementing Set on global scope, do:
`javascript`
var Set = require("es6-set");
If you strictly want to use polyfill even if native Set exists, do:
`javascript`
var Set = require("es6-set/polyfill");
$ npm install es6-set
To port it to Browser or any other (non CJS) environment, use your favorite CJS bundler. No favorite yet? Try: Browserify, Webmake or Webpack
#### API
Best is to refer to specification. Still if you want quick look, follow examples:
`javascript
var Set = require("es6-set");
var set = new Set(["raz", "dwa", {}]);
set.size; // 3
set.has("raz"); // true
set.has("foo"); // false
set.add("foo"); // set
set.size; // 4
set.has("foo"); // true
set.has("dwa"); // true
set.delete("dwa"); // true
set.size; // 3
set.forEach(function (value) {
// 'raz', {}, 'foo' iterated
});
// FF nightly only:
for (value of set) {
// 'raz', {}, 'foo' iterated
}
var iterator = set.values();
iterator.next(); // { done: false, value: 'raz' }
iterator.next(); // { done: false, value: {} }
iterator.next(); // { done: false, value: 'foo' }
iterator.next(); // { done: true, value: undefined }
set.clear(); // undefined
set.size; // 0
``
$ npm test
To report a security vulnerability, please use the Tidelift security contact. Tidelift will coordinate the fix and disclosure.
---
[build-image]: https://github.com/medikoo/es6-set/workflows/Integrate/badge.svg
[build-url]: https://github.com/medikoo/es6-set/actions?query=workflow%3AIntegrate
[cov-image]: https://img.shields.io/codecov/c/github/medikoo/es6-set.svg
[cov-url]: https://codecov.io/gh/medikoo/es6-set
[npm-image]: https://img.shields.io/npm/v/es6-set.svg
[npm-url]: https://www.npmjs.com/package/es6-set