Set value to object by path

set.js

// original https://stackoverflow.com/a/7070222/5485802
const set = (root, segments, value) => {
  let lastField = root;
  let segment;
  let i;

  for (i = 0; i < segments.length - 1; ++i) {
     segment = segments[i];
     lastField = lastField[segment] = lastField[segment] || {};
  }

   lastField[segments[i]] = value;
};

// for zod@3 -> errors object
const objectErrors = (issues) => {
    const errorFields = {};

    issues.forEach((issue) => {
      set(errorFields, issue.path, issue.message);
    })

    return errorFields;

}

console.log(
  objectErrors([
    {path: ['a', 'b', 'c'], message: 'some error C'},
    {path: ['a', 'b', 'd'], message: 'some error D'},
  ])
)


const setR = (segments, value) => {
  return segments.reduceRight((acc, segment) => ({ [segment]: acc }), value);
}

console.log(
  setR(['a', 'b', 'c'], 4242)
);