async function paginate()

in functions/src/github.ts [246:279]

• 24 lines of code
• 2 McCabe index (conditional complexity)

async function paginate<S extends PageParams, T>(
  fn: GitHubFn<S, Array<T>>,
  options: S
): Promise<T[]> {
  const per_page = 100;
  let pagesRemaining = true;
  let page = 0;

  let allData = [] as T[];
  while (pagesRemaining) {
    page++;

    // Merge pagination options with the options passed in
    const pageOptions = Object.assign(
      {
        per_page,
        page
      },
      options
    );

    const res = await fn(pageOptions);
    allData = allData.concat(res.data);

    // We assume another page remaining if we got exactly as many
    // issues as we asked for.
    pagesRemaining = res.data.length == per_page;

    // Wait 0.5s between pages
    await util.delay(0.5);
  }

  return allData;
}