@monstermann/fn/dist/array/indexOfOrThrow.d.ts

A utility library for TypeScript.

//#region src/array/indexOfOrThrow.d.ts
/**
 * `indexOfOrThrow(target, value)`
 *
 * Returns the index of the first occurrence of `value` in `target`. If `value` is not found, throws an error.
 *
 * ```ts
 * indexOfOrThrow([1, 2, 3, 2], 2); // 1
 * indexOfOrThrow([1, 2, 3], 4); // throws FnError
 * ```
 *
 * ```ts
 * pipe([1, 2, 3, 2], indexOfOrThrow(2)); // 1
 * pipe([1, 2, 3], indexOfOrThrow(4)); // throws FnError
 * ```
 */
declare const indexOfOrThrow: {
  <T>(value: NoInfer<T>): (target: readonly T[]) => number;
  <T>(target: readonly T[], value: NoInfer<T>): number;
};
//#endregion
export { indexOfOrThrow };