fela-utils/es/objectSortByScore.js

Internal utilities for Fela

function _toConsumableArray(arr) { return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread(); }

function _nonIterableSpread() { throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }

function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }

function _iterableToArray(iter) { if (typeof Symbol !== "undefined" && iter[Symbol.iterator] != null || iter["@@iterator"] != null) return Array.from(iter); }

function _arrayWithoutHoles(arr) { if (Array.isArray(arr)) return _arrayLikeToArray(arr); }

function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }

import { arrayReduce, objectReduce } from 'fast-loops';
import findIndex from './findIndex';
import insertAtIndex from './insertAtIndex'; // TODO: we can further improve this one

export default function objectSortByScore(obj, getScore) {
  var sortedKeys = objectReduce(obj, function (resultSortedKeys, value, key) {
    var index = findIndex(resultSortedKeys, function (el) {
      return getScore(obj[el], el) > getScore(value, key);
    });

    if (index !== -1) {
      return insertAtIndex(resultSortedKeys, key, index);
    }

    return [].concat(_toConsumableArray(resultSortedKeys), [key]);
  }, []);
  return arrayReduce(sortedKeys, function (sortedObj, key) {
    sortedObj[key] = obj[key];
    return sortedObj;
  }, {});
}