Method handleFileModified

packages/cli/src/util/dev/server.ts:466–484

(
    fsPath: string,
    changed: Set<string>,
    removed: Set<string>
  )

  }

  async handleFileModified(
    fsPath: string,
    changed: Set<string>,
    removed: Set<string>
  ): Promise<void> {
    const name = relative(this.cwd, fsPath);
    try {
      this.files[name] = await FileFsRef.fromFsPath({ fsPath });
      fileChanged(name, changed, removed);
      output.debug(`File modified: ${name}`);
    } catch (err: unknown) {
      if (isErrnoException(err) && err.code === 'ENOENT') {
        output.debug(`File modified, but has since been deleted: ${name}`);
        fileRemoved(name, this.files, changed, removed);
      } else {
        throw err;
      }
    }
  }

  async updateBuildMatches(
    vercelConfig: VercelConfig,