time-to-botec

Benchmark sampling in different programming languages
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_baseToString.js (1154B)

      1 var Symbol = require('./_Symbol'),
      2     arrayMap = require('./_arrayMap'),
      3     isArray = require('./isArray'),
      4     isSymbol = require('./isSymbol');
      5 
      6 /** Used as references for various `Number` constants. */
      7 var INFINITY = 1 / 0;
      8 
      9 /** Used to convert symbols to primitives and strings. */
     10 var symbolProto = Symbol ? Symbol.prototype : undefined,
     11     symbolToString = symbolProto ? symbolProto.toString : undefined;
     12 
     13 /**
     14  * The base implementation of `_.toString` which doesn't convert nullish
     15  * values to empty strings.
     16  *
     17  * @private
     18  * @param {*} value The value to process.
     19  * @returns {string} Returns the string.
     20  */
     21 function baseToString(value) {
     22   // Exit early for strings to avoid a performance hit in some environments.
     23   if (typeof value == 'string') {
     24     return value;
     25   }
     26   if (isArray(value)) {
     27     // Recursively convert values (susceptible to call stack limits).
     28     return arrayMap(value, baseToString) + '';
     29   }
     30   if (isSymbol(value)) {
     31     return symbolToString ? symbolToString.call(value) : '';
     32   }
     33   var result = (value + '');
     34   return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;
     35 }
     36 
     37 module.exports = baseToString;