prefer-immutable-method.md

Prefer immutable methods

Prefer a method that doesn't mutate the arguments when available.

Rule Details

This rule takes no arguments

The following patterns are considered warnings:

_.pull(arr, value)

const a = _.remove(arr, fn);

The following patterns are not considered warnings:

const a = _.without(arr, value);

const a = _.filter(arr, fn);

When Not To Use It

If you do not want to enforce using methods that do not mutate the arguments when available, do not enable this rule.