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The Wayback Machine - https://web.archive.org/web/20201220222555/https://github.com/lodash/lodash/blob/master/toString.js
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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
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