Files
lodash/.internal/baseToString.js
2018-12-10 16:28:20 -08:00

34 lines
958 B
JavaScript

import isSymbol from '../isSymbol.js'
/** Used as references for various `Number` constants. */
const INFINITY = 1 / 0
/** Used to convert symbols to primitives and strings. */
const symbolToString = Symbol.prototype.toString
/**
* 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 (Array.isArray(value)) {
// Recursively convert values (susceptible to call stack limits).
return `${value.map(baseToString)}`
}
if (isSymbol(value)) {
return symbolToString ? symbolToString.call(value) : ''
}
const result = `${value}`
return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result
}
export default baseToString