Kevin 29b9a0c50c clean && clean html base před 4 roky
..
.github 29b9a0c50c clean && clean html base před 4 roky
lib 29b9a0c50c clean && clean html base před 4 roky
test 29b9a0c50c clean && clean html base před 4 roky
.editorconfig 29b9a0c50c clean && clean html base před 4 roky
.testignore 29b9a0c50c clean && clean html base před 4 roky
CHANGELOG.md 29b9a0c50c clean && clean html base před 4 roky
CHANGES 29b9a0c50c clean && clean html base před 4 roky
LICENSE 29b9a0c50c clean && clean html base před 4 roky
README.md 29b9a0c50c clean && clean html base před 4 roky
implement.js 29b9a0c50c clean && clean html base před 4 roky
index.js 29b9a0c50c clean && clean html base před 4 roky
is-implemented.js 29b9a0c50c clean && clean html base před 4 roky
is-native-implemented.js 29b9a0c50c clean && clean html base před 4 roky
is-symbol.js 29b9a0c50c clean && clean html base před 4 roky
package.json 29b9a0c50c clean && clean html base před 4 roky
polyfill.js 29b9a0c50c clean && clean html base před 4 roky
validate-symbol.js 29b9a0c50c clean && clean html base před 4 roky

README.md

Build status Windows status Transpilation status npm version

es6-symbol

ECMAScript 6 Symbol polyfill

For more information about symbols see following links

Limitations

Underneath it uses real string property names which can easily be retrieved, however accidental collision with other property names is unlikely.

Usage

If you'd like to use native version when it exists and fallback to ponyfill if it doesn't, use es6-symbol as following:

var Symbol = require("es6-symbol");

If you want to make sure your environment implements Symbol globally, do:

require("es6-symbol/implement");

If you strictly want to use polyfill even if native Symbol exists (hard to find a good reason for that), do:

var Symbol = require("es6-symbol/polyfill");

API

Best is to refer to specification. Still if you want quick look, follow examples:

var Symbol = require("es6-symbol");

var symbol = Symbol("My custom symbol");
var x = {};

x[symbol] = "foo";
console.log(x[symbol]);
("foo");

// Detect iterable:
var iterator, result;
if (possiblyIterable[Symbol.iterator]) {
  iterator = possiblyIterable[Symbol.iterator]();
  result = iterator.next();
  while (!result.done) {
    console.log(result.value);
    result = iterator.next();
  }
}

Installation

NPM

In your project path:

$ npm install es6-symbol
Browser

To port it to Browser or any other (non CJS) environment, use your favorite CJS bundler. No favorite yet? Try: Browserify, Webmake or Webpack

Tests

$ npm test

Security contact information

To report a security vulnerability, please use the Tidelift security contact. Tidelift will coordinate the fix and disclosure.


Get professional support for d with a Tidelift subscription
Tidelift helps make open source sustainable for maintainers while giving companies
assurances about security, maintenance, and licensing for their dependencies.