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49 lines
1.9 KiB
49 lines
1.9 KiB
# es-to-primitive <sup>[![Version Badge][npm-version-svg]][package-url]</sup> |
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[![Build Status][travis-svg]][travis-url] |
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[![dependency status][deps-svg]][deps-url] |
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[![dev dependency status][dev-deps-svg]][dev-deps-url] |
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[![License][license-image]][license-url] |
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[![Downloads][downloads-image]][downloads-url] |
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[![npm badge][npm-badge-png]][package-url] |
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ECMAScript “ToPrimitive” algorithm. Provides ES5 and ES2015 versions. |
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When different versions of the spec conflict, the default export will be the latest version of the abstract operation. |
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Alternative versions will also be available under an `es5`/`es2015` exported property if you require a specific version. |
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## Example |
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```js |
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var toPrimitive = require('es-to-primitive'); |
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var assert = require('assert'); |
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assert(toPrimitive(function () {}) === String(function () {})); |
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var date = new Date(); |
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assert(toPrimitive(date) === String(date)); |
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assert(toPrimitive({ valueOf: function () { return 3; } }) === 3); |
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assert(toPrimitive(['a', 'b', 3]) === String(['a', 'b', 3])); |
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var sym = Symbol(); |
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assert(toPrimitive(Object(sym)) === sym); |
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``` |
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## Tests |
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Simply clone the repo, `npm install`, and run `npm test` |
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[package-url]: https://npmjs.org/package/es-to-primitive |
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[npm-version-svg]: http://versionbadg.es/ljharb/es-to-primitive.svg |
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[travis-svg]: https://travis-ci.org/ljharb/es-to-primitive.svg |
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[travis-url]: https://travis-ci.org/ljharb/es-to-primitive |
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[deps-svg]: https://david-dm.org/ljharb/es-to-primitive.svg |
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[deps-url]: https://david-dm.org/ljharb/es-to-primitive |
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[dev-deps-svg]: https://david-dm.org/ljharb/es-to-primitive/dev-status.svg |
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[dev-deps-url]: https://david-dm.org/ljharb/es-to-primitive#info=devDependencies |
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[npm-badge-png]: https://nodei.co/npm/es-to-primitive.png?downloads=true&stars=true |
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[license-image]: http://img.shields.io/npm/l/es-to-primitive.svg |
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[license-url]: LICENSE |
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[downloads-image]: http://img.shields.io/npm/dm/es-to-primitive.svg |
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[downloads-url]: http://npm-stat.com/charts.html?package=es-to-primitive
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