Package - is-function-x

is-function-x

Determine whether a given value is a function object.

Last updated 7 years ago by xotic750 .

MIT · Repository · Bugs · Original npm · Tarball · package.json

$ cnpm install is-function-x

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is-function-x

Determine whether a given value is a function object.

`module.exports(value, [allowClass])` ⇒ `boolean` ⏏

Checks if value is classified as a Function object.

Kind: Exported function
Returns: boolean - Returns true if value is correctly classified, else false.

Param	Type	Default	Description
value	`*`		The value to check.
[allowClass]	`boolean`	`false`	Whether to filter ES6 classes.

Example

import isFunction from 'is-function-x';

console.log(isFunction()); // false
console.log(isFunction(Number.MIN_VALUE)); // false
console.log(isFunction('abc')); // false
console.log(isFunction(true)); // false
console.log(isFunction({name: 'abc'})); // false
console.log(isFunction(function() {})); // true
console.log(isFunction(new Function())); // true
console.log(isFunction(function* test1() {})); // true
console.log(isFunction(function test2(a, b) {})); // true
console.log(isFunction(async function test3() {})); // true
console.log(isFunction(class Test {})); // false
console.log(isFunction(class Test {}, true)); // true
console.log(
  isFunction((x, y) => {
    return this;
  }),
); // true

Current Tags

4.1.2 ... latest (7 years ago)

49 Versions

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Dependencies (8)

Dev Dependencies (66)

@babel/cli ^7.5.0
@babel/core ^7.5.4
@babel/node ^7.5.0
@babel/plugin-proposal-class-properties ^7.5.0
@babel/plugin-syntax-dynamic-import ^7.2.0
@babel/plugin-syntax-export-default-from ^7.2.0
@babel/plugin-syntax-export-namespace-from ^7.2.0
@babel/plugin-transform-property-mutators ^7.2.0
@babel/plugin-transform-runtime ^7.5.0
@babel/preset-env ^7.5.4
@babel/runtime ^7.5.4
@prorenata/eslint-config-vue ^1.13.6
@types/jest ^24.0.15
@types/node ^12.6.2
babel-core ^7.0.0-0
babel-eslint ^10.0.2
babel-loader ^8.0.6
babel-plugin-lodash ^3.3.4
caniuse-lite ^1.0.30000983
chalk ^2.4.2
concurrently ^4.1.1
cross-env ^5.2.0
eslint =5.16.0
eslint-config-airbnb-base ^13.2.0
eslint-config-prettier ^6.0.0
eslint-friendly-formatter ^4.0.1
eslint-import-resolver-webpack ^0.11.1
eslint-loader ^2.2.1
eslint-plugin-babel ^5.3.0
eslint-plugin-compat ^3.2.0
eslint-plugin-css-modules ^2.11.0
eslint-plugin-eslint-comments ^3.1.2
eslint-plugin-html ^6.0.0
eslint-plugin-import ^2.18.0
eslint-plugin-jest ^22.7.2
eslint-plugin-jsdoc ^15.3.5
eslint-plugin-json ^1.4.0
eslint-plugin-lodash ^5.1.0
eslint-plugin-no-use-extend-native ^0.4.1
eslint-plugin-prefer-object-spread ^1.2.1
eslint-plugin-prettier ^3.1.0
eslint-plugin-promise ^4.2.1
eslint-plugin-sort-class-members ^1.5.0
eslint-plugin-switch-case ^1.1.2
eslint-plugin-vue ^5.2.3
friendly-errors-webpack-plugin ^1.7.0
identity-obj-proxy ^3.0.0
jest ^24.8.0
jest-cli ^24.8.0
jest-file ^1.0.0
jsdoc-to-markdown ^5.0.0
lodash ^4.17.14
lodash-webpack-plugin ^0.11.5
mkdirp ^0.5.1
node-notifier ^5.4.0
nodemon ^1.19.1
prettier =1.14.3
rimraf ^2.6.3
semver ^6.2.0
source-map-loader ^0.2.4
terser-webpack-plugin ^1.3.0
typescript ^3.5.3
webpack ^4.35.3
webpack-bundle-analyzer ^3.3.2
webpack-cli ^3.3.5
webpack-merge ^4.2.1

Dependents (5)

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