JSPM

Normalize a value or function, applying extra args to the function

JSS plugin for function value and rule syntax

Markdown template helper. Uses remarkable to render markdown in templates. Should work with Handlebars, Lo-Dash or any template engine that supports helper functions.

Stringifies function's parameters definition

Chained function calls

Fast and simple C FFI (foreign function interface) for Node.js

Executes a callback for each property found on a object, with options regarding enumerability (enumerable or non-enumerable) and ownership (inherited or only own properties). It excludes built-in properties from Object and Function prototypes by default,

the fastest version of Function#bind I could make

Capture and retrieve the last time a function was run

Run an array of functions in series

No-dependencies, low-level, high-performance JIT code generation package for JavaScript

Check if function is an ES6 class.

Function that returns an arbitrary async generator function, or undefined if async generator syntax is unsupported.

Use the gray() color function in CSS

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

Make a synchronous function have a timeout

Executes a callback for each property found on a object, recursively on nested properties, with options regarding enumerability (enumerable or non-enumerable) and ownership (inherited or only own properties). It excludes built-in properties from Object an

Debounce a function

Wrap mongodb node.js driver so it expose only two main function `query` and `transact`, so you can seperate pure function in domain business and side-effect (avoiding not dot notation call)

Fast and simple way to parse code context for use with documentation from code comments. Parses context from a single line of JavaScript, for functions, variable declarations, methods, prototype properties, prototype methods etc.

Function that returns an arbitrary `async function`, or undefined if `async function` syntax is unsupported.

Memoize functions - An optimization used to speed up consecutive function calls by caching the result of calls with identical input

Strips javascript code blocks out of README (or any other markdown) files and converts them into function objects.

Mathematical expression evaluator

Get the name of a named function

Wraps synchronous functions with a callback-style API

Node.js test runner that lets you develop with confidence.

return a curried function

Return a function which tests if every element in an array passes a test condition.

Get the argument names of a JavaScript function

Return a regular expression to capture a function name.

Return a double-precision floating-point number with the magnitude of x and the sign of y.

Test if a value is a function.

Load helpers with patterns, as an object, key-value pair, or module.

Clones a function (creates wrapper function), with the same signature as source function

Fast, generic JavaScript/node.js utility functions.

Retrieves the value of a specified property from all elements in the collection.

Wrap a function to be able to call it with promises as arguments, i.e. use promises as if they where non-promise values

Function which does nothing.

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

Get the arguments of a function, arrow function, generator function, async function

converts callback-based functions to Promises and apply currying to arguments

OpenAI LLM function schema from OpenAPI (Swagger) document

Wraps synchronous functions with a cps (callback passing style) function

Utilities to get and check variable types (isString, isPlainObject, isRegExp, etc)

PostCSS plugin for exposing JavaScript functions

Returns an object’s class and its ancestors.

Validate and format function arguments ( handles types and optionals)

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

Specify properties for which a variable, function, keyword or value must be used

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

Fast kernel density estimation library

Provides a list of reserved identifiers for JavaScript

Allows you to bannish some methods or functions.

Easily draw function graphs in text mode.

Stand-in for a function

Make weak references to JavaScript Objects.

Function name shim (especially for supporting function names in Internet Explorer).

Create a lazy promise that defers execution until it's awaited or when `.then()`, `.catch()`, or `.finally()` is called

Simple, lazyily evaluated values.

FNV-1a non-cryptographic hash function

Check if a string is a valid JavaScript identifier

Retrieves parameter names from a function

DJB2a non-cryptographic hash function

use function as webpack loader option

Make weak references to JavaScript Objects.

ESLint rules for functional programming

Run an array of functions in series, each passing its results to the next function (waterfall)

🔨 Invokes 'fn1' until 'limit' is reached after that call 'fn2'

Safely evaluate JavaScript (estree) expressions, sync and async.

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Check if a value is a function

Parse function arguments. Useful to implement variadic functions.

Validate the type of arguments passed through the function.

Creates a queue of sync or async functions with resolve and reject callback.

Wraps JavaScript code within an immediately invoked function expression.

worker-fn hides the complexity of communication between the JavaScript main thread and Worker threads, making it easy to call the functions defined in workers.

Add context awareness to your apps and frameworks by safely evaluating user-defined conditional expressions. Useful for evaluating expressions in config files, prompts, key bindings, completions, templates, and many other user cases.

Instances of classes which are directly callable as functions.

Sorting and matching utility using configurable string, glob, regular expression, and/or function matchers

commitlint plugin to use functions as rule value

Wraps a function so that it's only ever executed once.

return a debounced function

Make an asynchronous function synchronous

Mathematical expression evaluator fork with prototype pollution fix

Create a transform stream using await instead of callbacks

Overloads a function. Makes parameters optional.

Simple javascript lib for converting a [comma || space] delimited string to an array

Repeat function call depending on the previous call result and specified conditions.

Exponential function.

Find how many values of a discrete periodic function are contained in an interval.

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return a throttled function

Defines fallback behavior in case a variable is not a function. Perfect for optional callback parameters.

Gamma function.

Lightweight logging library for any Node 10+ applications

Gives a wrapper function the properties and string value of its underlying function.

Qualified Function. Wraps a function so it only gets executed if a condition is true.

Find the nearest value of a discrete periodic function, given a point.

Given a point and a distance, determine how many periodic values were skipped.

function try-catch wrapper for promises

Limit the execution rate of a function using the token bucket algorithm

Replace text in files using strings, regexs or functions.

A collection of utilities for JavaScript functions

Create a promise that can be canceled. This is a fork of sindresorhus/p-cancelable, but with CommonJS support.

A module for sending responses from lambda-funciton backed custom resources in AWS CloudFormation

Assert that a value is a function

PostCSS plugin to implement SASS color functions

one no-op function to rule them all

Function storage for Mongoose

Natural exponential function.

stringify objects containing functions

A small utility module that converts function arguments to an object for use within the function based on a supplied metadata object. This allows parameters to be passed in any order, making the resultant function very flexible.

Constant function.

Simple function call parser

Function parameter decorator transform plugin for babel v7, just like typescript.

Retrieves the argumentnames of a function

Flex JWE Token Validator

Parse an AWS Lambda function name into a name and a qualifier

a babel plugin for remove some function call

Function.prototype.bind replacement that provides an `unbounded` hidden property on the returned bounded function, that contains the original unbounded function

The gaussian (radial basis function) kernel

Round a double-precision floating-point number toward zero.

A pipe function to perform function composition in LTR (Left To Right) direction.

Create a matching function from a glob pattern, regex, string, array, object or function.

Create a promise that reports progress

Complementary error function.

Evaluate bˣ - 1.

gulp-fn - gulp plugin used in order to run custom callback functions per file

Calculate a scaled Lanczos sum for the approximation of the gamma function.

Natural logarithm of the gamma function.

◻️ Supreme nothingness

Incomplete gamma function.

Compute gamma(x+1) - 1.

Determine the best order for running async functions, and run them

Evaluate a factorial.

Async Function Queue

Compute exp(x) - 1.

LaunchDarkly Server SDK for JavaScript - common Edge SDK code

An implementation of the memoize technique

Validate the api to your functions to help people use them correctly. This is pretty much React's propTypes without React.

React components for [Stripe.js and Elements](https://stripe.com/docs/stripe-js).

Provides an object similar to Function Runtime's context for use in unit testing

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A safe callback to string serializer

Functional multimethod library

Turn a callback-style function into a function that returns a promise

Functional composition library

Make configurable canvas easily with Canvafy

Functional dispatch library

Coerce props to custom values

Error helpers library

Inverse complementary error function.

A wrapper for AWS's [Step Functions Local](https://docs.aws.amazon.com/step-functions/latest/dg/welcome.html).

Compute the binomial coefficient.

Compute the ratio of two gamma functions.

A foreign function interface (FFI) for Node.js

🦅 cli syntax highlighting: any function - any object - 176 languages

Have your arguments, and validate it too. -- Slick arguments validator for all your js functions.

Beta function.

create a function that can only be invoked once

Create javascript functions with optional, default and named paramaters.

Select an attribute of an object based on semver versioning

Natural exponential function.

A simple javascript utility for function binding memoization.

When a function is not enough

Evaluate the signum function for a double-precision floating-point number.

Incomplete beta function.

Incomplete beta function and its first derivative.

Calculate the Lanczos sum for the approximation of the gamma function.

Inverse incomplete gamma function.

A simple utility to call a function if it exists

Evaluate ln(1+x) - x.

determine if a function is a generator function

Extract function definitions from an array of GLSL tokens.

Function constructor.

Partial application. Shuv args around the place.

Limit the execution rate of any function

Determine a function's name.

Rename a function

return a function composed of 2 or more functions

Inverse incomplete beta function.

Instances of classes which are directly callable as functions.

Utility library of AST helper functions

Detect native function name support.

Color scheme system pack for Seed

Get the hash of a string

Call a module's exported functions directly from the command line, with arguments.

Frequent default values

Return a function which tests if every element in an array-like object passes a test condition.

Limit the number of function parameters and arguments with ease and flexibility

A toolkit for deep structure manipulations, provides deep merge/clone functionality out of the box, and exposes hooks and custom adapters for more control and greater flexibility.

A foreign function interface (FFI) for Node.js, N-API style

Add some chicken curry to your functions

Tap into a promise chain without affecting its value or state

Delay the call of a function in a given context.

ESLint rules for controlling where and how mutation is used.

Modulus function.

Error function.

Natural logarithm of the beta function.

Convert ES6 class constructor to normal function.

Implements Tab Atkins's proposed color function in CSS.

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

Drop-in BDD helpers for AVA test runner 🌠

Create a lazily evaluated value

Pass a value through a pipeline of functions

get a function's source

This is a tiny library for customizing components appearance

React hook to call function with delay

This is a tiny library for customizing components appearance

Inverse incomplete beta function.

negates a function

Utility functions for Node.js and JavaScript

An async/await module for sending responses from lambda-funciton backed custom resources in AWS CloudFormation

Turns arrays and values into Filtering Functions.

Inverse error function.

Build and evaluate JavaScript strings safely via tagged template literals

Possible Function. Wraps what might be a function, with fallback behavior in case it’s not. Perfect for use in functions that accept optional callback arguments.

Support the Bind Operator

A utility function to detect if a string should be wrapped in quotes to work as an object key

compose an arbitrary number of functions from right to left.

Lodash's memoize function, but in a much smaller package than lodash.memoize's.

Utility functions for Web Extensions, manifest v2 and v3

Creates a variadic function, with a “rest parameter” that’s NOT at the end.

Compute the natural logarithm of the binomial coefficient.

Execute functions in a configurable order, modifying a shared data structure.

Memoized function binding

Subscribe to and publish events between parent and child node processes using the standard node event emitter api or call parent methods directly from the child process and vice versa.

Wraps a function so that it's only ever executed once.

Make sure $q is a constructor (1.3+). Throw if it isn't.

Check if something is an ES7 async function

Evaluate the natural logarithm of the factorial function.

Create functions executed within a web worker and return promises

SDBM non-cryptographic hash function

Batch multiple function calls into a single one

Clojure's API for JavaScript's Objects

Yeskiy RPC (Remote Procedure Call) with Blackjack and Functions!

right-to-left function composition

💠 Recursive assign for objects, arrays and more

Conditional promisify

Emit events when you call an asynchronous function

Auto bind methods to their class instance excluding React Lifecycle Methods

Run a function in a node process

An eslint plugin to enforce method or function name stick to the conventions.

Function sequencing reloaded

Function.

Lightweight utility for decoding function parameters from Ethereum transactions.

An ESLint plugin to prevent function declaration after return statement

Calls a function immediately and repeatedly after a fixed delay

Node.JS Argon2 password hashing algorithm following the PHC string format