@elysiajs/eden
Version:
Fully type-safe Elysia client
45 lines (42 loc) • 1.77 kB
TypeScript
declare class EdenFetchError<Status extends number = number, Value = unknown> extends Error {
status: Status;
value: Value;
constructor(status: Status, value: Value);
}
type Range<F extends number, T extends number> = Exclude<Enumerate<T>, Enumerate<F>>;
type Enumerate<N extends number, Acc extends number[] = []> = Acc['length'] extends N ? Acc[number] : Enumerate<N, [...Acc, Acc['length']]>;
type ErrorRange = Range<300, 599>;
type MapError<T extends Record<number, unknown>> = [
{
[K in keyof T]-?: K extends ErrorRange ? K : never;
}[keyof T]
] extends [infer A extends number] ? {
[K in A]: EdenFetchError<K, T[K]>;
}[A] : false;
type UnionToIntersect<U> = (U extends any ? (arg: U) => any : never) extends (arg: infer I) => void ? I : never;
type IsAny<T> = 0 extends 1 & T ? true : false;
type IsNever<T> = [T] extends [never] ? true : false;
type IsUnknown<T> = IsAny<T> extends true ? false : unknown extends T ? true : false;
type AnyTypedRoute = {
body?: unknown;
headers?: unknown;
query?: unknown;
params?: unknown;
response: Record<number, unknown>;
};
type Prettify<T> = {
[K in keyof T]: T[K];
} & {};
type TreatyToPath<T, Path extends string = ''> = UnionToIntersect<T extends Record<string, unknown> ? {
[K in keyof T]: T[K] extends AnyTypedRoute ? {
[path in Path]: {
[method in K]: T[K];
};
} : unknown extends T[K] ? {
[path in Path]: {
[method in K]: T[K];
};
} : TreatyToPath<T[K], `${Path}/${K & string}`>;
}[keyof T] : {}>;
type Not<T> = T extends true ? false : true;
export { EdenFetchError as E, type IsUnknown as I, type MapError as M, type Not as N, type Prettify as P, type TreatyToPath as T, type IsNever as a };