get-function-arguments

get-function-arguments

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

Install

npm i get-function-arguments --save

Usage

For more use-cases see the tests

const getFunctionArguments = require('get-function-arguments')

getFunctionArguments

Get function arguments names.

Params

• fn {Function}: Function from which to get arguments names.
• max {Number}: How many characters to cut from fns toString.
• returns {Array}

Example

var fnArgs = require('get-function-arguments')

console.log(fnArgs(function (a, b, c) {})) // => [ 'a', 'b', 'c' ]
console.log(fnArgs(function named (a , b, c) {})) // => [ 'a', 'b', 'c' ]

console.log(fnArgs(a => {})) // => [ 'a' ]
console.log(fnArgs((a, b) => {})) // => [ 'a', 'b' ]

console.log(fnArgs(function * (a ,b, c) {})) // => [ 'a', 'b', 'c' ]
console.log(fnArgs(function * named (a ,b, c) {})) // => [ 'a', 'b', 'c' ]

Related

• flatten-arguments: Fastest, simplest and smallest. Pass arguments object or list of… more | homepage
• fn-name: Get the name of a named function | homepage
• function-arguments: Get function arguments, useful for and used in dependency injectors.… more | homepage
• get-fn-name: Get function name with strictness and correctness in mind. Also… more | homepage
• handle-arguments: Handles given Arguments object - return separatly last argument (commonly… more | homepage
• manage-arguments: Prevents arguments leakage - managing arguments. From Optimization killers by… more | homepage
• parse-function: Parse a function, arrow function or string to object with… more | homepage

Contributing

Pull requests and stars are always welcome. For bugs and feature requests, please create an issue.
But before doing anything, please read the CONTRIBUTING.md guidelines.

Charlike Make Reagent

Changelog

1.0.0 - 2016-03-18

• Release v1.0.0 / npm@v1.0.0
• implement :cat2: