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| import isSymbol from './isSymbol.js' | |
| /** Used as references for various `Number` constants. */ | |
| const INFINITY = 1 / 0 | |
| /** | |
| * Converts `value` to a string. An empty string is returned for `null` | |
| * and `undefined` values. The sign of `-0` is preserved. | |
| * | |
| * @since 4.0.0 | |
| * @category Lang | |
| * @param {*} value The value to convert. | |
| * @returns {string} Returns the converted string. | |
| * @example | |
| * | |
| * toString(null) | |
| * // => '' | |
| * | |
| * toString(-0) | |
| * // => '-0' | |
| * | |
| * toString([1, 2, 3]) | |
| * // => '1,2,3' | |
| */ | |
| function toString(value) { | |
| if (value == null) { | |
| return '' | |
| } | |
| // Exit early for strings to avoid a performance hit in some environments. | |
| if (typeof value === 'string') { | |
| return value | |
| } | |
| if (Array.isArray(value)) { | |
| // Recursively convert values (susceptible to call stack limits). | |
| return `${value.map((other) => other == null ? other : toString(other))}` | |
| } | |
| if (isSymbol(value)) { | |
| return value.toString() | |
| } | |
| const result = `${value}` | |
| return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result | |
| } | |
| export default toString |