test.gm.ts

test.gm.ts

interface GmResponseTypeMap {
  text: string;
  json: any;
  arraybuffer: ArrayBuffer;
  blob: Blob;
  document: Document;
  stream: ReadableStream<Uint8Array>;
}

type GmResponseType = keyof GmResponseTypeMap;
export interface GmResponseEvent<R extends GmResponseType, TContext> {
  response: GmResponseTypeMap[R];
  context: TContext;
}
interface GmReponseEventListener<Event> {
  (this: Event, event: Event): void;
}
interface GmXmlhttpRequestOption<R extends GmResponseType, TContext = any> {
  responseType?: R;
  context?: TContext;
  onload?: GmReponseEventListener<GmResponseEvent<R, TContext>>;
}
interface GmXmlhttpRequestType {
  <R extends GmResponseType, TContext = any>(
    details: GmXmlhttpRequestOption<R, TContext>,
  ): void;
}

declare const GM_xmlhttpRequest: GmXmlhttpRequestType;

GM_xmlhttpRequest({
  responseType: 'arraybuffer',
  onload: (r) => {
    r.response;
  },
});