fnc-args Get a function's arguments in JS GitHub | NPM Install npm i fnc-args Use const fncArgs = require('fnc-args') fncArgs((hey, hi) => {}) // ['hey', 'hi'] fncArgs(function (hey, hi) {}) // ['hey', 'hi'] fncArgs(async (hey, hi) => {}) // ['hey', 'hi'] fncArgs(hey => {}) // ['hey']