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.
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TypeScript
import { ListOfRecursiveArraysOrValues } from "../_internal/ListOfRecursiveArraysOrValues.js";
//#region src/compat/array/flattenDeep.d.ts
/**
* Recursively flattens array.
*
* @template T
* @param array - The array to flatten.
* @returns Returns the new flattened array.
*
* @example
* flattenDeep([1, [2, [3, [4]], 5]]);
* // => [1, 2, 3, 4, 5]
*/
declare function flattenDeep<T>(array: ListOfRecursiveArraysOrValues<T> | null | undefined): Array<T extends string ? T : T extends ArrayLike<any> ? never : T>;
//#endregion
export { flattenDeep };