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is-generator-fn

Check if something is a generator function

sindresorhus
published version 3.0.0, 3 years ago940 dependents licensed under $MIT
91,655,742

onetime

Ensure a function is only called once

sindresorhus
published version 7.0.0, a year ago2092 dependents licensed under $MIT
307,924,500

define-lazy-prop

Define a lazily evaluated property on an object

sindresorhus
published version 3.0.0, 4 years ago632 dependents licensed under $MIT
101,424,341

mimic-function

Make a function mimic another one

sindresorhus
published version 5.0.1, 9 months ago15 dependents licensed under $MIT
23,616,803

fn-name

Get the name of a named function

sindresorhus
published version 4.0.0, 4 years ago37 dependents licensed under $MIT
4,618,577

p-all

Run promise-returning & async functions concurrently with optional limited concurrency

sindresorhus
published version 5.0.0, 2 years ago297 dependents licensed under $MIT
6,198,501

function-timeout

Make a synchronous function have a timeout

sindresorhus
published version 1.0.2, 7 months ago6 dependents licensed under $MIT
3,151,284

debounce-fn

Debounce a function

sindresorhus
published version 6.0.0, a year ago29 dependents licensed under $MIT
3,220,607

to-source-code

Converts function to its source code.

bubkoo
published version 1.0.2, 9 years ago1 dependents licensed under $MIT
654,316

identity-function

module.exports = function (x) { return x }

substack
published version 1.0.0, 9 years ago4 dependents licensed under $public domain
710,231

parse-function

Parse a function into an object using espree, acorn or babylon parsers. Extensible through Smart Plugins

tunnckocore
published version 5.6.10, 5 years ago65 dependents licensed under $MPL-2.0
684,827

is-native

Checks if the given value is a native function.

bubkoo
published version 1.0.1, 9 years ago14 dependents licensed under $MIT
654,650

is-fn

Check if a value is a function

sindresorhus
published version 3.0.0, 4 years ago50 dependents licensed under $MIT
348,947

@stdlib/utils-constant-function

Constant function.

stdlib-bot
published version 0.2.2, 4 months ago303 dependents licensed under $Apache-2.0
244,446

is-gen-fn

determine if a function is a generator function

mattmueller
published version 0.0.2, 3 years ago22 dependents licensed under $MIT
60,244

@esm2cjs/mimic-fn

Make a function mimic another one. This is a fork of sindresorhus/mimic-fn, but with CommonJS support.

alcalzone
published version 4.0.0, 2 years ago1 dependents licensed under $MIT
68,666

@esm2cjs/onetime

Ensure a function is only called once. This is a fork of sindresorhus/onetime, but with CommonJS support.

alcalzone
published version 6.0.1-cjs.0, 2 years ago1 dependents licensed under $MIT
68,704

function-arguments

Get arguments of a function, useful for and used in dependency injectors. Works for regular functions, generator functions and arrow functions.

tunnckocore
published version 1.0.9, 5 years ago45 dependents licensed under $MIT
52,825

cbify

Wraps synchronous functions with a callback-style API

es128
published version 1.0.0, 10 years ago2 dependents licensed under $ISC
39,060

method-names

Returns an array of names from a module. Includes all enumerable properties with function values, own and inherited.

jonschlinkert
published version 0.2.0, 10 years ago3 dependents licensed under $MIT
38,052