Function main

scripts/start_local_debugger_server.js:30–61

(args)

const debuggerStaticFile = {};

function main(args) {
  const port = parseInt(args['port']);
  const version = args['version'];

  app.get('/*', (req, res) => {
    // Remove leading '/'.
    let filePath = req.path.substring(1);
    if (filePath === '') {
      filePath = 'index.html';
    }

    // Send file from the unzipped tfjs-debugger bundle from memory.
    if (debuggerStaticFile[filePath]) {
      res.contentType(path.basename(filePath));
      res.send(debuggerStaticFile[filePath]);
    }
    // Send other files from the local file system.
    else {
      const tfjsRoot = __dirname.replace('/scripts', '/');
      res.sendFile(tfjsRoot + filePath);
    }
  });

  app.listen(port, async () => {
    // On server start-up, fetch the zipped debugger bundle and unzip in memory.
    console.log('Fetching tfjs debugger static files...');
    await fetchAndUnzipTfjsDebuggerBundle(version);
    console.log('Done');
    console.log(`Local debugger server started at http://localhost:${
        port}/?bv__0=Local%20build&bv__1=`);
  });
}

async function fetchAndUnzipTfjsDebuggerBundle(version) {
  let resp;