es-toolkit/dist/compat/array/size.mjs

A state-of-the-art, high-performance JavaScript utility library with a small bundle size and strong type annotations.

import { isNil } from "../../predicate/isNil.mjs";
import { isArrayLike } from "../predicate/isArrayLike.mjs";
import { regexMultiByte } from "../_internal/regexMultiByte.mjs";
import { unicodeSize } from "../_internal/unicodeSize.mjs";
//#region src/compat/array/size.ts
function size(target) {
	if (isNil(target)) return 0;
	if (typeof target === "string") return regexMultiByte.test(target) ? unicodeSize(target) : target.length;
	if (isArrayLike(target)) return target.length;
	if (target instanceof Map || target instanceof Set) return target.size;
	return Object.keys(target).length;
}
//#endregion
export { size };