lenye_base/arrToObject.js

基础方法

'use strict';

function _interopDefault (ex) { return (ex && (typeof ex === 'object') && 'default' in ex) ? ex['default'] : ex; }

require('./get_tag.js');
var is_array = require('./is_array.js');
var _ = _interopDefault(require('lodash'));

/**
 * 数组转对象
 * arrToObject([{ name: "张", age: 10, id: 'a1' }, { name: "李", age: 20, id: 'a2' } ], 'id')
 * // {a1: { name: "张", age: 10 }, a2: { name: "李", age: 20 }}
 */
function arrToObject(arr, key) {
  if (!is_array(arr)) {
    throw new Error('需要一个数组');
  }

  _.cloneDeep(arr).reduce((acc, cur) => {
    acc[cur[key]] = cur;
    delete cur[key];
    return acc;
  }, {});
}

module.exports = arrToObject;