Function loadSourceText

scripts/sync/build.ts:221–239

(
  source: SourceConfig,
  baseDir: string,
  fetcher: Fetcher,
  cache?: ContentCache
)

}

async function loadSourceText(
  source: SourceConfig,
  baseDir: string,
  fetcher: Fetcher,
  cache?: ContentCache
): Promise<string> {
  if (source.type === "local-text") {
    return readFile(path.resolve(baseDir, source.path), "utf8");
  }

  if (source.type === "remote-text") {
    return fetcher(source.url);
  }

  const cacheKey = `html-extract:${source.url}#${source.selector}`;
  const fresh = async () => extractHtml(await defaultFetcher(source.url), source.url, source.selector);

  return cache ? cache.cached(cacheKey, fresh) : fresh();
}

function extractHtml(html: string, url: string, selector: string): string {
  const $ = load(html);