Returns an object with the same structure as obj but each value is the path to the key

pathize.js

/**
 * 
 * @param {any} obj The input object
 * @param {string[]} exceptions List of keys not to convert
 * @param {string} basePath Base string to use for the path
 * @returns {any} Returns an object with the same structure as obj but each value is the path to the key
 * @example pathize({a: {b: {c: 2}}, d: 3, e: 4}, ['e'], 'base') ==> {a: {b: {c: 'base.a.b.c'}}, d: 'base.a.d', e: 4}
 */
function pathize(obj, exceptions = [], basePath = '') {
  const clone = JSON.parse(JSON.stringify(obj))

  const w = (o, base) => {
    Object.keys(o).map((k) => {
      if ([Array, Object].includes(o[k]?.constructor)) {
        w(o[k], (base ? base + '.' : '') + k)
      } else {
        if (!exceptions.includes(k)) o[k] = (base ? base + '.' : '') + k
      }
    })
  }

  w(clone, basePath)
  return clone
}