Function watchDirectory

scripts/dev-server.mjs:63–99

(root)

}

function watchDirectory(root) {
  const watchers = [];
  const seen = new Set();

  function addDirectory(dir) {
    if (seen.has(dir)) return;
    seen.add(dir);

    const watcher = watch(dir, (event, filename) => {
      if (!filename) {
        scheduleRestart();
        return;
      }

      const path = join(dir, filename.toString());
      if (event === "rename") maybeAddDirectory(path);
      scheduleRestart();
    });
    watchers.push(watcher);

    for (const entry of readdirSync(dir)) {
      maybeAddDirectory(join(dir, entry));
    }
  }

  function maybeAddDirectory(path) {
    try {
      const stats = statSync(path);
      if (stats.isDirectory()) addDirectory(path);
    } catch {
      // The file may have been deleted between the watch event and stat call.
    }
  }

  addDirectory(root);
  return watchers;
}

function shutdown() {
  shuttingDown = true;