noDupeArgs (since v0.9.0)

This rule is recommended by Rome.

Disallow duplicate function arguments name.

Examples

var f = function(a, b, b) {}

error[js/noDupeArgs]: Duplicate argument name
  ┌─ js/noDupeArgs.js:1:24
  │
1 │ var f = function(a, b, b) {}
  │                        ^

function b(a, b, b) {}

error[js/noDupeArgs]: Duplicate argument name
  ┌─ js/noDupeArgs.js:1:18
  │
1 │ function b(a, b, b) {}
  │                  ^

function i(i, b, c) {}
var j = function (j, b, c) {};
function k({ k, b }, { c, d }) {}
function l([, l]) {}
function foo([[a, b], [c, d]]) {}