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Shivam Mathur 8f9786b73f init		2019-09-06 05:17:43 +05:30
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.eslintrc	init	2019-09-06 05:17:43 +05:30
.istanbul.yml	init	2019-09-06 05:17:43 +05:30
.jscs.json	init	2019-09-06 05:17:43 +05:30
.travis.yml	init	2019-09-06 05:17:43 +05:30
CHANGELOG.md	init	2019-09-06 05:17:43 +05:30
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test.js	init	2019-09-06 05:17:43 +05:30

README.md

is-callable

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));

Tests

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