Function render

packages/dev/s2-docs/ssg.tsx:21–89

(routes)

}

export async function render(routes) {
  let pages = Object.keys(routes);
  if (isMainThread) {
    let workerCount = Math.min(availableParallelism(), pages.length);
    if (workerCount > 1) {
      let routesPerWorker = Math.floor(pages.length / workerCount);
      let remainder = pages.length % workerCount;
      let offset = 0;
      let workers: Promise<void>[] = [];

      for (let i = 0; i < workerCount; i++) {
        let routeCount = routesPerWorker + (i < remainder ? 1 : 0);
        let workerRoutes = pages.slice(offset, offset + routeCount);
        offset += routeCount;

        workers.push(
          new Promise((resolve, reject) => {
            let worker = new Worker(process.argv[1], {workerData: workerRoutes});
            worker.once('error', reject);
            worker.once('exit', code => {
              if (code === 0) {
                resolve();
              } else {
                reject(new Error(`Rendering worker exited with code ${code}`));
              }
            });
          })
        );
      }

      await Promise.all(workers);
      return;
    }
  } else {
    pages = workerData;
  }

  for (let page of pages) {
    console.log('rendering ' + page);
    try {
      let mod = await routes[page]();
      let Page = mod.default;
      let url = page.slice(base.length, -4);
      let {html, rsc} = await prerenderHTML(
        <Page
          currentPage={{
            url: '/' + url,
            name: url + '.html',
            tableOfContents: mod.tableOfContents
          }}
        />,
        {component: Page}
      );

      let distPath = page.slice(baseDir.length, -4);
      mkdirSync('dist/' + dirname(distPath), {recursive: true});

      let htmlStream = createWriteStream('dist/' + distPath + '.html');