@leancodepl/utils/src/lib/types/transformDeep.d.ts

Common utility functions and React hooks for web applications

import type { ApiDateOnly, ApiDateTimeOffset, ApiTimeOnly, ApiTimeSpan } from "@leancodepl/api-date";
export type Mode = "capitalize" | "uncapitalize";
export type TransformDeep<T, TMode extends Mode> = T extends Array<infer TArrayElement> ? Array<TransformDeep<TArrayElement, TMode>> : T extends object ? T extends ApiDateOnly | ApiDateTimeOffset | ApiTimeOnly | ApiTimeSpan ? T : {
    [TKey in keyof T as TKey extends string ? TMode extends "uncapitalize" ? Uncapitalize<TKey> : Capitalize<TKey> : TKey]: TransformDeep<T[TKey], TMode>;
} : T extends null ? undefined : T;
export type UncapitalizeDeep<T> = TransformDeep<T, "uncapitalize">;
export type CapitalizeDeep<T> = TransformDeep<T, "capitalize">;
export type MutableDeep<T> = T extends bigint | boolean | Date | number | string | symbol | null | undefined ? T : T extends ReadonlyArray<infer ArrayType> ? Array<MutableDeep<ArrayType>> : {
    -readonly [K in keyof T]: MutableDeep<T[K]>;
};