Function loadVSCode

src/node/routes/vscode.ts:55–76

* Load then create the VS Code server.

(req: express.Request)

 * Load then create the VS Code server.
 */
async function loadVSCode(req: express.Request): Promise<IVSCodeServerAPI> {
  // Since server-main.js is an ES module, we have to use `import`.  However,
  // tsc will transpile this to `require` unless we change our module type,
  // which will also require that we switch to ESM, since a hybrid approach
  // breaks importing `rotating-file-stream` for some reason.  To work around
  // this, use `eval` for now, but we should consider switching to ESM.
  let modPath = path.join(vsRootPath, "out/server-main.js")
  if (os.platform() === "win32") {
    // On Windows, absolute paths of ESM modules must be a valid file URI.
    modPath = "file:///" + modPath.replace(/\\/g, "/")
  }
  const mod = (await eval(`import("${modPath}")`)) as VSCodeModule
  const serverModule = await mod.loadCodeWithNls()
  return serverModule.createServer(null, {
    ...(await toCodeArgs(req.args)),
    "accept-server-license-terms": true,
    // This seems to be used to make the connection token flags optional (when
    // set to 1.63) but we have always included them.
    compatibility: "1.64",
    "without-connection-token": true,
  })
}

// To prevent loading the module more than once at a time.  We also have the
// resolved value so you do not need to `await` everywhere.