Update to recommended way of running language server v3 (#452)

Author: apexskier

src/main.test.ts

@@ -191,14 +191,18 @@ describe("test suite", () => {
           DEBUG_BREAK: "FALSE",
           DEBUG_PORT: "undefined",
           INSTALL_DIR: undefined,
-          TSLIB_PATH: "/tsLibPath",
           WORKSPACE_DIR: "/workspace",
         },
         path: "/extension/run.sh",
         type: "stdio",
       },
       {
-        initializationOptions: { preferences: "user preferences" },
+        initializationOptions: {
+          preferences: "user preferences",
+          tsserver: {
+            path: "/tsLibPath/tsserver.js",
+          },
+        },
         syntaxes: ["typescript", "tsx", "cts", "mts", "javascript", "jsx"],
       }
     );

src/main.ts

@@ -152,7 +152,6 @@ async function asyncActivate() {
     syntaxes.push("javascript", "jsx");
   }
   const env = {
-    TSLIB_PATH: tslibPath,
     WORKSPACE_DIR: nova.workspace.path ?? "",
     INSTALL_DIR: dependencyManagement.getDependencyDirectory(),
     DEBUG: nova.config.get(
@@ -183,6 +182,9 @@ async function asyncActivate() {
     {
       syntaxes,
       initializationOptions: {
+        tsserver: {
+          path: nova.path.join(tslibPath, "tsserver.js"),
+        },
         preferences: getUserPreferences(),
       },
     }