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# call-bind <sup>[![Version Badge][npm-version-svg]][package-url]</sup> |
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[![github actions][actions-image]][actions-url] |
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[![coverage][codecov-image]][codecov-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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Robustly `.call.bind()` a function. |
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## Getting started |
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```sh |
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npm install --save call-bind |
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``` |
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## Usage/Examples |
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```js |
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const assert = require('assert'); |
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const callBind = require('call-bind'); |
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const callBound = require('call-bind/callBound'); |
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function f(a, b) { |
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assert.equal(this, 1); |
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assert.equal(a, 2); |
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assert.equal(b, 3); |
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assert.equal(arguments.length, 2); |
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} |
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const fBound = callBind(f); |
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const slice = callBound('Array.prototype.slice'); |
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delete Function.prototype.call; |
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delete Function.prototype.bind; |
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fBound(1, 2, 3); |
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assert.deepEqual(slice([1, 2, 3, 4], 1, -1), [2, 3]); |
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``` |
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## Tests |
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Clone the repo, `npm install`, and run `npm test` |
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[package-url]: https://npmjs.org/package/call-bind |
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[npm-version-svg]: https://versionbadg.es/ljharb/call-bind.svg |
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[deps-svg]: https://david-dm.org/ljharb/call-bind.svg |
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[deps-url]: https://david-dm.org/ljharb/call-bind |
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[dev-deps-svg]: https://david-dm.org/ljharb/call-bind/dev-status.svg |
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[dev-deps-url]: https://david-dm.org/ljharb/call-bind#info=devDependencies |
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[npm-badge-png]: https://nodei.co/npm/call-bind.png?downloads=true&stars=true |
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[license-image]: https://img.shields.io/npm/l/call-bind.svg |
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[license-url]: LICENSE |
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[downloads-image]: https://img.shields.io/npm/dm/call-bind.svg |
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[downloads-url]: https://npm-stat.com/charts.html?package=call-bind |
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[codecov-image]: https://codecov.io/gh/ljharb/call-bind/branch/main/graphs/badge.svg |
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[codecov-url]: https://app.codecov.io/gh/ljharb/call-bind/ |
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[actions-image]: https://img.shields.io/endpoint?url=https://github-actions-badge-u3jn4tfpocch.runkit.sh/ljharb/call-bind |
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[actions-url]: https://github.com/ljharb/call-bind/actions |
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