time-to-botec

Benchmark sampling in different programming languages
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_baseOrderBy.js (1558B)

      1 var arrayMap = require('./_arrayMap'),
      2     baseGet = require('./_baseGet'),
      3     baseIteratee = require('./_baseIteratee'),
      4     baseMap = require('./_baseMap'),
      5     baseSortBy = require('./_baseSortBy'),
      6     baseUnary = require('./_baseUnary'),
      7     compareMultiple = require('./_compareMultiple'),
      8     identity = require('./identity'),
      9     isArray = require('./isArray');
     10 
     11 /**
     12  * The base implementation of `_.orderBy` without param guards.
     13  *
     14  * @private
     15  * @param {Array|Object} collection The collection to iterate over.
     16  * @param {Function[]|Object[]|string[]} iteratees The iteratees to sort by.
     17  * @param {string[]} orders The sort orders of `iteratees`.
     18  * @returns {Array} Returns the new sorted array.
     19  */
     20 function baseOrderBy(collection, iteratees, orders) {
     21   if (iteratees.length) {
     22     iteratees = arrayMap(iteratees, function(iteratee) {
     23       if (isArray(iteratee)) {
     24         return function(value) {
     25           return baseGet(value, iteratee.length === 1 ? iteratee[0] : iteratee);
     26         }
     27       }
     28       return iteratee;
     29     });
     30   } else {
     31     iteratees = [identity];
     32   }
     33 
     34   var index = -1;
     35   iteratees = arrayMap(iteratees, baseUnary(baseIteratee));
     36 
     37   var result = baseMap(collection, function(value, key, collection) {
     38     var criteria = arrayMap(iteratees, function(iteratee) {
     39       return iteratee(value);
     40     });
     41     return { 'criteria': criteria, 'index': ++index, 'value': value };
     42   });
     43 
     44   return baseSortBy(result, function(object, other) {
     45     return compareMultiple(object, other, orders);
     46   });
     47 }
     48 
     49 module.exports = baseOrderBy;