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- var Symbol = require('./_Symbol'),
- arrayMap = require('./_arrayMap'),
- isArray = require('./isArray'),
- isSymbol = require('./isSymbol');
-
- /** Used as references for various `Number` constants. */
- var INFINITY = 1 / 0;
-
- /** Used to convert symbols to primitives and strings. */
- var symbolProto = Symbol ? Symbol.prototype : undefined,
- symbolToString = symbolProto ? symbolProto.toString : undefined;
-
- /**
- * The base implementation of `_.toString` which doesn't convert nullish
- * values to empty strings.
- *
- * @private
- * @param {*} value The value to process.
- * @returns {string} Returns the string.
- */
- function baseToString(value) {
- // Exit early for strings to avoid a performance hit in some environments.
- if (typeof value == 'string') {
- return value;
- }
- if (isArray(value)) {
- // Recursively convert values (susceptible to call stack limits).
- return arrayMap(value, baseToString) + '';
- }
- if (isSymbol(value)) {
- return symbolToString ? symbolToString.call(value) : '';
- }
- var result = (value + '');
- return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;
- }
-
- module.exports = baseToString;
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