unused

Identify unused variables in your javascript code.

cli

$ unused /path/to/file.js

--ignore-params

Comma separated list of function parameters to ignore during unused checks. You often want to know when you forgot to handle err or other parameters, but sometimes you have placeholders (req, res, etc) which you might want to ignore

$ unused /path/to/file.js --ignore-params req,res,_

api

unused(src)

src is a javascript source string

Returns an array of objects specifying the name, location, and if the variable is a function parameter

{
    name: 'foo',
    loc: {
        line: 1,
        column: 1,
    },
    param: true || false
}

install

npm install unused