time-to-botec

Benchmark sampling in different programming languages
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has.js (757B)

      1 var baseHas = require('./_baseHas'),
      2     hasPath = require('./_hasPath');
      3 
      4 /**
      5  * Checks if `path` is a direct property of `object`.
      6  *
      7  * @static
      8  * @since 0.1.0
      9  * @memberOf _
     10  * @category Object
     11  * @param {Object} object The object to query.
     12  * @param {Array|string} path The path to check.
     13  * @returns {boolean} Returns `true` if `path` exists, else `false`.
     14  * @example
     15  *
     16  * var object = { 'a': { 'b': 2 } };
     17  * var other = _.create({ 'a': _.create({ 'b': 2 }) });
     18  *
     19  * _.has(object, 'a');
     20  * // => true
     21  *
     22  * _.has(object, 'a.b');
     23  * // => true
     24  *
     25  * _.has(object, ['a', 'b']);
     26  * // => true
     27  *
     28  * _.has(other, 'a');
     29  * // => false
     30  */
     31 function has(object, path) {
     32   return object != null && hasPath(object, path, baseHas);
     33 }
     34 
     35 module.exports = has;