import {httpRequest} from './http-request';import type {HTTPRequestInfo} from './http-request-info';
/** * Pusher is the function type used to do the fetch part of a push. The request * is a POST request where the body is JSON with the type [[PushRequest]]. */export type Pusher = (request: Request) => Promise<HTTPRequestInfo>;
export const defaultPusher: Pusher = async request => { return (await httpRequest(request)).httpRequestInfo;};
/** * This error is thrown when the pusher fails for any reason. */export class PushError extends Error { name = 'PushError'; // causedBy is used instead of cause, because while cause has been proposed as a // JavaScript language standard for this purpose (see // https://github.com/tc39/proposal-error-cause) current browser behavior is // inconsistent. causedBy?: Error; constructor(causedBy?: Error) { super('Failed to push'); this.causedBy = causedBy; }}