1
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var Symbol = require('./_Symbol'),
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2
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arrayMap = require('./_arrayMap'),
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3
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isArray = require('./isArray'),
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4
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isSymbol = require('./isSymbol');
|
5
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|
6
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/** Used as references for various `Number` constants. */
|
7
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var INFINITY = 1 / 0;
|
8
|
|
9
|
/** Used to convert symbols to primitives and strings. */
|
10
|
var symbolProto = Symbol ? Symbol.prototype : undefined,
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11
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symbolToString = symbolProto ? symbolProto.toString : undefined;
|
12
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|
13
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/**
|
14
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* 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;
|