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get-fn-name

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.

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

• bind-context: Bind context to a function and preserves her name. Can be… more | homepage
• fn-name: Get the name of a named function | homepage
• get-comments: Extract javascript comments on per character basis. Comment object compatible with… more | homepage
• get-installed-path: Get the installation path of the given package if it is… more | homepage
• global-modules: The directory used by npm for globally installed npm modules. | homepage
• global-prefix: Get the npm global path prefix. | homepage
• parse-function: Parse a function, arrow function or string to object with name,… 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.

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