UNPKG

birpc

Version:

Message based Two-way remote procedure call

115 lines (113 loc) 4.71 kB
type ArgumentsType<T> = T extends (...args: infer A) => any ? A : never; type ReturnType<T> = T extends (...args: any) => infer R ? R : never; type PromisifyFn<T> = ReturnType<T> extends Promise<any> ? T : (...args: ArgumentsType<T>) => Promise<Awaited<ReturnType<T>>>; type BirpcResolver = (name: string, resolved: (...args: unknown[]) => unknown) => ((...args: unknown[]) => unknown) | undefined; interface ChannelOptions { /** * Function to post raw message */ post: (data: any, ...extras: any[]) => any | Promise<any>; /** * Listener to receive raw message */ on: (fn: (data: any, ...extras: any[]) => void) => any | Promise<any>; /** * Clear the listener when `$close` is called */ off?: (fn: (data: any, ...extras: any[]) => void) => any | Promise<any>; /** * Custom function to serialize data * * by default it passes the data as-is */ serialize?: (data: any) => any; /** * Custom function to deserialize data * * by default it passes the data as-is */ deserialize?: (data: any) => any; /** * Call the methods with the RPC context or the original functions object */ bind?: 'rpc' | 'functions'; } interface EventOptions<Remote> { /** * Names of remote functions that do not need response. */ eventNames?: (keyof Remote)[]; /** * Maximum timeout for waiting for response, in milliseconds. * * @default 60_000 */ timeout?: number; /** * Custom resolver to resolve function to be called * * For advanced use cases only */ resolver?: BirpcResolver; /** * Custom error handler * * @deprecated use `onFunctionError` and `onGeneralError` instead */ onError?: (error: Error, functionName: string, args: any[]) => boolean | void; /** * Custom error handler for errors occurred in local functions being called * * @returns `true` to prevent the error from being thrown */ onFunctionError?: (error: Error, functionName: string, args: any[]) => boolean | void; /** * Custom error handler for errors occurred during serialization or messsaging * * @returns `true` to prevent the error from being thrown */ onGeneralError?: (error: Error, functionName?: string, args?: any[]) => boolean | void; /** * Custom error handler for timeouts * * @returns `true` to prevent the error from being thrown */ onTimeoutError?: (functionName: string, args: any[]) => boolean | void; } type BirpcOptions<Remote> = EventOptions<Remote> & ChannelOptions; type BirpcFn<T> = PromisifyFn<T> & { /** * Send event without asking for response */ asEvent: (...args: ArgumentsType<T>) => void; }; interface BirpcGroupFn<T> { /** * Call the remote function and wait for the result. */ (...args: ArgumentsType<T>): Promise<Awaited<ReturnType<T>>[]>; /** * Send event without asking for response */ asEvent: (...args: ArgumentsType<T>) => void; } type BirpcReturn<RemoteFunctions, LocalFunctions = Record<string, never>> = { [K in keyof RemoteFunctions]: BirpcFn<RemoteFunctions[K]>; } & { $functions: LocalFunctions; $close: () => void; }; type BirpcGroupReturn<RemoteFunctions> = { [K in keyof RemoteFunctions]: BirpcGroupFn<RemoteFunctions[K]>; }; interface BirpcGroup<RemoteFunctions, LocalFunctions = Record<string, never>> { readonly clients: BirpcReturn<RemoteFunctions, LocalFunctions>[]; readonly functions: LocalFunctions; readonly broadcast: BirpcGroupReturn<RemoteFunctions>; updateChannels: (fn?: ((channels: ChannelOptions[]) => void)) => BirpcReturn<RemoteFunctions, LocalFunctions>[]; } declare const DEFAULT_TIMEOUT = 60000; declare function createBirpc<RemoteFunctions = Record<string, never>, LocalFunctions extends object = Record<string, never>>(functions: LocalFunctions, options: BirpcOptions<RemoteFunctions>): BirpcReturn<RemoteFunctions, LocalFunctions>; declare function cachedMap<T, R>(items: T[], fn: ((i: T) => R)): R[]; declare function createBirpcGroup<RemoteFunctions = Record<string, never>, LocalFunctions extends object = Record<string, never>>(functions: LocalFunctions, channels: ChannelOptions[] | (() => ChannelOptions[]), options?: EventOptions<RemoteFunctions>): BirpcGroup<RemoteFunctions, LocalFunctions>; export { type ArgumentsType, type BirpcFn, type BirpcGroup, type BirpcGroupFn, type BirpcGroupReturn, type BirpcOptions, type BirpcResolver, type BirpcReturn, type ChannelOptions, DEFAULT_TIMEOUT, type EventOptions, type PromisifyFn, type ReturnType, cachedMap, createBirpc, createBirpcGroup };