bbo/es/set.js

bbo is a utility library of zero dependencies for javascript.

import isObject from './is_object.js';
import './get_tag.js';
import isString from './is_string.js';
import isSymbol from './is_symbol.js';

/* eslint-disable eqeqeq */
function set(obj, props, value) {
  if (isString(props)) {
    props = props.split('.');
  }

  if (isSymbol(props)) {
    props = [props];
  }

  var lastProp = props.pop();

  if (!lastProp) {
    return false;
  }

  var thisProp;

  while (thisProp = props.shift()) {
    if (typeof obj[thisProp] == 'undefined') {
      obj[thisProp] = {};
    }

    obj = obj[thisProp];

    if (!obj || !isObject(obj)) {
      return false;
    }
  }

  obj[lastProp] = value;
  return true;
}

export default set;