time-to-botec

Benchmark sampling in different programming languages
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isString.js (723B)

      1 var baseGetTag = require('./_baseGetTag'),
      2     isArray = require('./isArray'),
      3     isObjectLike = require('./isObjectLike');
      4 
      5 /** `Object#toString` result references. */
      6 var stringTag = '[object String]';
      7 
      8 /**
      9  * Checks if `value` is classified as a `String` primitive or object.
     10  *
     11  * @static
     12  * @since 0.1.0
     13  * @memberOf _
     14  * @category Lang
     15  * @param {*} value The value to check.
     16  * @returns {boolean} Returns `true` if `value` is a string, else `false`.
     17  * @example
     18  *
     19  * _.isString('abc');
     20  * // => true
     21  *
     22  * _.isString(1);
     23  * // => false
     24  */
     25 function isString(value) {
     26   return typeof value == 'string' ||
     27     (!isArray(value) && isObjectLike(value) && baseGetTag(value) == stringTag);
     28 }
     29 
     30 module.exports = isString;