How to handle eslint no-param-reassign rule in Array.prototype.reduce() functions

Question

I\'ve recently added the eslint rule no-param-reassign.

However, when I use reduce to build out an object (empty object as initialValue), I find myself need

Answer 1

I just wrap the reduce functions in a lint rule disable block, ie:

/* eslint-disable no-param-reassign */
const newObject = ['a', 'b', 'c'].reduce((result, item, index) => {
  result[item] = index;
  return result;
}, {});
/* eslint-enable no-param-reassign */