prefer-map.md

Prefer map

When using _.forEach that pushes into an array, it could improve readability to use _.map instead.

Rule Details

This rule takes no arguments.

The following patterns are considered warnings:

_.forEach(arr, function(x) { newArr.push(f(x))}

The following patterns are not considered warnings:

_.forEach(arr, function(x) { if (x.a) {a.push(x)}})
 

When Not To Use It

If you do not want to enforce using map, you should not use this rule.