Project Init

node_modules/es-toolkit/dist/compat/array/countBy.mjs

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+import { isArrayLike } from "../predicate/isArrayLike.mjs";
+import { iteratee } from "../util/iteratee.mjs";
+//#region src/compat/array/countBy.ts
+function countBy(collection, iteratee$1) {
+	if (collection == null) return {};
+	const array = isArrayLike(collection) ? Array.from(collection) : Object.values(collection);
+	const mapper = iteratee(iteratee$1 ?? void 0);
+	const result = Object.create(null);
+	for (let i = 0; i < array.length; i++) {
+		const item = array[i];
+		const key = mapper(item);
+		result[key] = (result[key] ?? 0) + 1;
+	}
+	return result;
+}
+//#endregion
+export { countBy };