Function getBootloaderFile

src/targets/node/nodeLauncherBase.ts:498–527

* Returns the file from which to load our bootloader. We need to do this in * since Node does not support paths with spaces in them < 13 (nodejs/node#12971), * so if our installation path has spaces, we need to fall back somewhere.

(cwd: string | undefined, binary: NodeBinary)

   * so if our installation path has spaces, we need to fall back somewhere.
   */
  protected async getBootloaderFile(cwd: string | undefined, binary: NodeBinary) {
    const targetPath = forceForwardSlashes(bootloaderDefaultPath);

    // 1. If the path doesn't have a space, we're OK to use it.
    if (!targetPath.includes(' ')) {
      return { interpolatedPath: targetPath, dispose: () => undefined };
    }

    // 1.5. If we can otherwise use spaces in the path, quote and return it.
    if (binary.has(Capability.UseSpacesInRequirePath)) {
      return { interpolatedPath: `"${targetPath}"`, dispose: () => undefined };
    }

    // 2. Try the tmpdir, if it's space-free.
    const contents = `require(${JSON.stringify(targetPath)})`;
    if (!os.tmpdir().includes(' ') || !cwd) {
      const tmpPath = path.join(os.tmpdir(), 'vscode-js-debug-bootloader.js');
      await fs.promises.writeFile(tmpPath, contents);
      return { interpolatedPath: tmpPath, dispose: () => undefined };
    }

    // 3. Worst case, write into the cwd. This is messy, but we have few options.
    const nearFilename = '.vscode-js-debug-bootloader.js';
    const nearPath = path.join(cwd, nearFilename);
    await fs.promises.writeFile(nearPath, contents);
    return {
      interpolatedPath: `./${nearFilename}`,
      dispose: () => fs.unlinkSync(nearPath),
    };
  }

  /**
   * Reads telemetry from the process.