message: Specify lib es2021 for js typechecking
diff: @@ -53,6 +53,7 @@ export function check(root: string, config: Config) {
  const program = createProgram({
  rootNames: [entry],
  options: {
  + lib: ["es2021"],
  incremental: true,
  tsBuildInfoFile: path.join(root, ".sst", "tsbuildinfo"),
  allowJs: true,
  