export type IDateFormat = 'american' | 'european' | 'japanese';
export type JsVal = string | number | boolean | JsVal[] | null;
export type JsonObj = {
    [prop: string]: JsVal | JsonObj;
};
export type IObj = Record<string, unknown>;
export type NextRequest = {
    abort?: boolean;
    waitFor?: Promise<void>;
} | undefined;
export type MyAsyncGenerator<T, R = void> = AsyncGenerator<T, R, NextRequest>;
export type IFuncArgs<T> = T extends (...args: infer A) => any ? A : never;
export type IArrayEl<A> = A extends Array<infer T> ? T : never;
export type IKeyString<T extends {}> = Extract<keyof T, string>;
export type Awaited<T> = T extends PromiseLike<infer U> ? U : T;
export type ExtractAllBut<K, T, Except extends K> = K extends T ? (K extends Except ? never : K) : never;
export type IDeclaredKeys<T> = {
    [K in keyof T]: string extends K ? never : (number extends K ? never : K);
} extends {
    [_ in keyof T]: infer U;
} ? U : never;
export type IFunc<R = any> = (...args: any[]) => R;
export type IAwaited<T> = T extends Promise<infer R> ? R : never;
export type IAwaitedFunc<F> = F extends IFunc<infer R> ? IAwaited<R> : never;
export type ITryCatch = <F extends IFunc>(func: F, ...args: IFuncArgs<F>) => ReturnType<F> | Error;
export type ICtxTryCatch = <F extends IFunc>(ctx: IObj, func: F, ...args: IFuncArgs<F>) => ReturnType<F> | Error;
export type IAsyncTryCatch = <F extends IFunc<Promise<any>>>(func: F, ...args: IFuncArgs<F>) => Promise<IAwaitedFunc<F> | Error>;
export type ICtxAsyncTryCatch = <F extends IFunc<Promise<any>>>(ctx: IObj, func: F, ...args: IFuncArgs<F>) => Promise<IAwaitedFunc<F> | Error>;
export type IWithTryCatch = <F extends IFunc>(func: F) => (...args: IFuncArgs<F>) => ReturnType<F> | Error;
export type IWithAsyncTryCatch = <F extends IFunc<Promise<any>>>(func: F) => (...args: IFuncArgs<F>) => Promise<IAwaitedFunc<F> | Error>;
export type INullableProps<T> = {
    [prop in keyof T]?: T[prop];
};
export type INonNullableProps<T> = {
    [prop in keyof Required<T>]: NonNullable<T[prop]>;
};
export type FlagPropsType<T, TypeToFlag> = {
    [K in keyof T]: T[K] extends TypeToFlag ? never : K;
};
export type FilterPropsNames<T, OmittedType> = FlagPropsType<T, OmittedType>[keyof T];
export type OmitProp<T, K extends keyof T> = Pick<T, Exclude<keyof T, K>>;
export type OmitPropsType<T, OmittedType> = Pick<T, FilterPropsNames<T, OmittedType>>;
export type INewable<Constructor extends (...args: any[]) => ReturnType<Constructor>> = {
    new (...args: IFuncArgs<Constructor>): ReturnType<Constructor>;
};
export type IEnumLike<T = unknown> = {
    [name: string]: T | string;
    [idx: number]: string;
};
export type IValOf<T extends {}, substractType = undefined> = T extends {
    [prop in keyof T]: infer Val;
} ? substractType extends undefined ? Val : Val extends substractType ? never : Val : never;