Method generatePages

packages/web-api/src/WebClient.ts:217–235

(this: WebClient)

    })();

    async function* generatePages(this: WebClient): AsyncIterableIterator<WebAPICallResult> {
      // when result is undefined, that signals that the first of potentially many calls has not yet been made
      let result: WebAPICallResult | undefined = undefined;
      // paginationOptions stores pagination options not already stored in the options argument
      let paginationOptions: methods.CursorPaginationEnabled | undefined = {
        limit: pageSize,
      };
      if (options !== undefined && options.cursor !== undefined) {
        paginationOptions.cursor = options.cursor as string;
      }

      // NOTE: test for the situation where you're resuming a pagination using and existing cursor

      while (result === undefined || paginationOptions !== undefined) {
        result = await this.apiCall(method, Object.assign(options !== undefined ? options : {}, paginationOptions));
        yield result;
        paginationOptions = paginationOptionsForNextPage(result, pageSize);
      }
    }

    if (shouldStop === undefined) {
      return generatePages.call(this);