@frui.ts/helpers/dist/types.d.ts

Frui.ts helper functions

export type Awaitable<T> = T | PromiseLike<T>;
export type Constructor<T, Arguments extends unknown[] = any[]> = new (...arguments_: Arguments) => T;
export type BindingTarget = Map<any, any> | Record<string, any>;
export type ConditionalKeys<Base, Condition> = NonNullable<{
    [Key in keyof Base]: Base[Key] extends Condition ? Key : never;
}[keyof Base]>;
export type PropertyName<TTarget, TTypeRestriction = any> = ConditionalKeys<TTarget, TTypeRestriction> & string;
export type TypedBindingProperty<TTarget, TTypeRestriction> = TTarget extends Map<infer K, infer TValue> ? TValue extends TTypeRestriction ? K | undefined : never : PropertyName<TTarget, TTypeRestriction>;
export type ExtractTypeRestriction<T> = T extends TypedBindingProperty<any, infer TTypeRestriction> ? TTypeRestriction : T extends PropertyName<any, infer TTypeRestriction> ? TTypeRestriction : never;
export type PropertyType<TTarget extends BindingTarget, TProperty extends TypedBindingProperty<TTarget, any>> = TTarget extends Map<TProperty, infer TValue> ? TValue | undefined : TTarget[TProperty] & ExtractTypeRestriction<TProperty>;