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is-callable

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is-callable

Is this JS value callable? Works with Functions and GeneratorFunctions, despite ES6 @@toStringTag.

    1.2.4latest

Version published
Maintainers
1
Weekly downloads
29,300,588
decreased by-5%

Weekly downloads

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Is this JS value callable? Works with Functions and GeneratorFunctions, despite ES6 @@toStringTag.

Example

var isCallable = require('is-callable'); var assert = require('assert'); assert.notOk(isCallable(undefined)); assert.notOk(isCallable(null)); assert.notOk(isCallable(false)); assert.notOk(isCallable(true)); assert.notOk(isCallable([])); assert.notOk(isCallable({})); assert.notOk(isCallable(/a/g)); assert.notOk(isCallable(new RegExp('a', 'g'))); assert.notOk(isCallable(new Date())); assert.notOk(isCallable(42)); assert.notOk(isCallable(NaN)); assert.notOk(isCallable(Infinity)); assert.notOk(isCallable(new Number(42))); assert.notOk(isCallable('foo')); assert.notOk(isCallable(Object('foo'))); assert.ok(isCallable(function () {})); assert.ok(isCallable(function* () {})); assert.ok(isCallable(x => x * x));

Install

Install with

npm install is-callable

Tests

Simply clone the repo, npm install, and run npm test

Keywords

FAQs

What is is-callable?

Is this JS value callable? Works with Functions and GeneratorFunctions, despite ES6 @@toStringTag.

Is is-callable popular?

The npm package is-callable receives a total of 27,750,954 weekly downloads. As such, is-callable popularity was classified as popular.

Is is-callable well maintained?

We found that is-callable demonstrated a not healthy version release cadence and project activity. It has 1 open source maintainer collaborating on the project.

Last updated on 06 Aug 2021
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