Function ensureVSCodeLoaded

src/node/routes/vscode.ts:89–116

(
  req: express.Request,
  _: express.Response,
  next: express.NextFunction,
)

 * Ensure the VS Code server is loaded.
 */
export const ensureVSCodeLoaded = async (
  req: express.Request,
  _: express.Response,
  next: express.NextFunction,
): Promise<void> => {
  if (vscodeServer) {
    return next()
  }
  if (!vscodeServerPromise) {
    vscodeServerPromise = loadVSCode(req)
  }
  try {
    vscodeServer = await vscodeServerPromise
  } catch (error) {
    vscodeServerPromise = undefined // Unset so we can try again.
    logError(logger, "CodeServerRouteWrapper", error)
    if (isDevMode) {
      return next(
        new Error(
          (error instanceof Error ? error.message : error) +
            " (Have you applied the patches? If so, VS Code may still be compiling)",
        ),
      )
    }
    return next(error)
  }
  return next()
}

router.get("/", ensureVSCodeLoaded, async (req, res, next) => {
  const isAuthenticated = await authenticated(req)