time-to-botec

Benchmark sampling in different programming languages
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_assignValue.js (899B)

      1 var baseAssignValue = require('./_baseAssignValue'),
      2     eq = require('./eq');
      3 
      4 /** Used for built-in method references. */
      5 var objectProto = Object.prototype;
      6 
      7 /** Used to check objects for own properties. */
      8 var hasOwnProperty = objectProto.hasOwnProperty;
      9 
     10 /**
     11  * Assigns `value` to `key` of `object` if the existing value is not equivalent
     12  * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
     13  * for equality comparisons.
     14  *
     15  * @private
     16  * @param {Object} object The object to modify.
     17  * @param {string} key The key of the property to assign.
     18  * @param {*} value The value to assign.
     19  */
     20 function assignValue(object, key, value) {
     21   var objValue = object[key];
     22   if (!(hasOwnProperty.call(object, key) && eq(objValue, value)) ||
     23       (value === undefined && !(key in object))) {
     24     baseAssignValue(object, key, value);
     25   }
     26 }
     27 
     28 module.exports = assignValue;