包详细信息

get-fn-name

tunnckocore139MIT1.0.0

Get function name with strictness and correctness in mind. Also works for arrow functions and getting correct name of bounded functions. Powered by [fn-name][].

fn, fn-name, fns, func

自述文件

get-fn-name npmjs.com The MIT License

Get function name with strictness and correctness in mind. Also works for arrow functions and getting correct name of bounded functions. Powered by fn-name.

code climate standard code style travis build status coverage status dependency status

Install

npm i get-fn-name --save

Usage

For more use-cases see the tests

const getFnName = require('get-fn-name')

getFnName

Trying to get the name of val function.

Params

  • val {Function}: Regular or arrow (es2015/es6, also know as fat arrow) function.
  • returns {String|null}: The name of function or null otherwise.

Example

var name = require('get-fn-name')

console.log(name(function () { return 1 })) // => null
console.log(name(function named () { return 2 })) // => 'named'

// arrows
console.log(name(() => 3)) // => null
console.log(name(() => { return 4 })) // => null
console.log(name((a, b, c) => a + b + c)) // => null
console.log(name((a, b) => { return a + b })) // => null

Related

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.

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更新日志

1.0.0 - 2016-03-03

  • return null if not found, allows user to have more control
  • remove codeclimate.yml
  • allow failures on 0.12 and 0.10 - bounded function name is always anonymous

0.0.0 - 2016-03-03

  • Initial commit