Method handleFileChanges

packages/language-server/src/server.js:296–331

* @param {DidChangeWatchedFilesParams} params * @return {Promise }

(params)

   * @return {Promise<void>}
   */
  async handleFileChanges(params) {
    this.fileCache = undefined;
    this.packageJsonCache = undefined;
    if (!this.session) return;

    const cwd = this.cwd ?? process.cwd();

    /** @type {{ type: "added" | "deleted" | "modified"; filePath: string }[]} */
    const changes = [];
    for (const change of params.changes) {
      if (!change.uri.startsWith('file:')) continue;
      const filePath = fileURLToPath(change.uri);
      if (!filePath.startsWith(cwd) || filePath.includes('/.git/')) continue;
      if (RESTART_FOR.has(path.basename(change.uri))) return this.restart();
      const type = FILE_CHANGE_TYPES.get(change.type);
      if (!type) continue;
      changes.push({ type, filePath });
    }

    if (changes.length === 0) return;

    try {
      const result = await this.session.handleFileChanges(changes);

      if (!result) return;

      this.connection.console.log(
        `Module graph updated (${Math.floor(result.duration)}ms • ${(result.mem / 1024 / 1024).toFixed(2)}M)`
      );

      const config = await this.getConfig();
      this.publishDiagnostics(this.buildDiagnostics(this.session.getIssues().issues, config, this.rules));
    } catch (_error) {
      this.connection.console.error(`Error handling file changes: ${_error}`);
    }
  }

  /**
   * @param {string} filePath