Different approach

Author: maschwenk

_extension/package.json

@@ -51,6 +51,11 @@
                         "type": "string",
                         "description": "Path to the @typescript/native-preview package or tsgo binary directory. If not specified, the extension will look for it in the default location.",
                         "tags": ["experimental"]
+                    },
+                    "typescript.native-preview.goMemLimit": {
+                        "type": "string",
+                        "description": "Set GOMEMLIMIT for the language server (e.g., '2048MiB', '4GiB'). See https://pkg.go.dev/runtime#hdr-Environment_Variables for more information.",
+                        "tags": ["experimental"]
                     }
                 }
             }

_extension/src/client.ts

@@ -95,16 +95,25 @@ export class Client {
         const pprofDir = config.get<string>("pprofDir");
         const pprofArgs = pprofDir ? ["--pprofDir", pprofDir] : [];
 
+        // Get goMemLimit
+        const goMemLimit = config.get<string>("goMemLimit");
+        const env = goMemLimit ? { ...process.env, GOMEMLIMIT: goMemLimit } : process.env;
+        if (goMemLimit) {
+            this.outputChannel.appendLine(`Setting GOMEMLIMIT=${goMemLimit}`);
+        }
+
         const serverOptions: ServerOptions = {
             run: {
                 command: this.exe.path,
                 args: ["--lsp", ...pprofArgs],
                 transport: TransportKind.stdio,
+                options: { env },
             },
             debug: {
                 command: this.exe.path,
                 args: ["--lsp", ...pprofArgs],
                 transport: TransportKind.stdio,
+                options: { env },
             },
         };