es-toolkit
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A state-of-the-art, high-performance JavaScript utility library with a small bundle size and strong type annotations.
25 lines (24 loc) • 602 B
JavaScript
import { isSymbol } from "../predicate/isSymbol.mjs";
//#region src/compat/util/toNumber.ts
/**
* Converts `value` to a number.
*
* Unlike `Number()`, this function returns `NaN` for symbols.
*
* @param value - The value to convert.
* @returns Returns the number.
*
* @example
* toNumber(3.2); // => 3.2
* toNumber(Number.MIN_VALUE); // => 5e-324
* toNumber(Infinity); // => Infinity
* toNumber('3.2'); // => 3.2
* toNumber(Symbol.iterator); // => NaN
* toNumber(NaN); // => NaN
*/
function toNumber(value) {
if (isSymbol(value)) return NaN;
return Number(value);
}
//#endregion
export { toNumber };