js 模拟php ksort排序

javascript

浏览数:522

2019-1-8

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ksort.js

  function ksort(inputArr, sort_flags) {
  //   example 1: data = {d: 'lemon', a: 'orange', b: 'banana', c: 'apple'};
  //   example 1: data = ksort(data);
  //   example 1: $result = data
  //   returns 1: {a: 'orange', b: 'banana', c: 'apple', d: 'lemon'}
  //   example 2: ini_set('phpjs.strictForIn', true);
  //   example 2: data = {2: 'van', 3: 'Zonneveld', 1: 'Kevin'};
  //   example 2: ksort(data);
  //   example 2: $result = data
  //   returns 2: {1: 'Kevin', 2: 'van', 3: 'Zonneveld'}

  var tmp_arr = {},
    keys = [],
    sorter, i, k, that = this,
    strictForIn = false,
    populateArr = {};

  switch (sort_flags) {
  case 'SORT_STRING':
    // compare items as strings
    sorter = function (a, b) {
      return that.strnatcmp(a, b);
    };
    break;
  case 'SORT_LOCALE_STRING':
    // compare items as strings, original by the current locale (set with  i18n_loc_set_default() as of PHP6)
    var loc = this.i18n_loc_get_default();
    sorter = this.php_js.i18nLocales[loc].sorting;
    break;
  case 'SORT_NUMERIC':
    // compare items numerically
    sorter = function (a, b) {
      return ((a + 0) - (b + 0));
    };
    break;
    // case 'SORT_REGULAR': // compare items normally (don't change types)
  default:
    sorter = function (a, b) {
      var aFloat = parseFloat(a),
        bFloat = parseFloat(b),
        aNumeric = aFloat + '' === a,
        bNumeric = bFloat + '' === b;
      if (aNumeric && bNumeric) {
        return aFloat > bFloat ? 1 : aFloat < bFloat ? -1 : 0;
      } else if (aNumeric && !bNumeric) {
        return 1;
      } else if (!aNumeric && bNumeric) {
        return -1;
      }
      return a > b ? 1 : a < b ? -1 : 0;
    };
    break;
  }

  // Make a list of key names
    inputArr =Object.assign(inputArr,{appkey:"cnmobicloud2017"});
    console.log(inputArr)
  for (k in inputArr) {
    if (inputArr.hasOwnProperty(k)) {
      keys.push(k);
    }
  }
  keys.sort(sorter);

  // BEGIN REDUNDANT
  this.php_js = this.php_js || {};
  this.php_js.ini = this.php_js.ini || {};
  // END REDUNDANT
  strictForIn = this.php_js.ini['phpjs.strictForIn'] && this.php_js.ini['phpjs.strictForIn'].local_value && this.php_js
    .ini['phpjs.strictForIn'].local_value !== 'off';
  populateArr = strictForIn ? inputArr : populateArr;

  // Rebuild array with sorted key names
  for (i = 0; i < keys.length; i++) {
    k = keys[i];
    tmp_arr[k] = inputArr[k];
    if (strictForIn) {
      delete inputArr[k];
    }
  }
  for (i in tmp_arr) {
    if (tmp_arr.hasOwnProperty(i)) {
      populateArr[i] = tmp_arr[i];
    }
  }

  //return strictForIn || populateArr;