Fix runtime setup file

vitest.base.unit.config.ts

@@ -1,29 +1,6 @@
 import path from "node:path";
 import {defineConfig} from "vitest/config";
-import {BuiltinEnvironment} from "vitest/node";
-import {Environment} from "vitest/environments";
 const __dirname = new URL(".", import.meta.url).pathname;
-import denoEnvironment from "./vitest/environments/deno";
-
-function getTestEnvironment(
-  runtime?: string
-): BuiltinEnvironment | Environment {
-  switch (runtime) {
-    case "deno":
-      return denoEnvironment;
-    case "node":
-      return "node";
-    default: {
-      if (runtime) {
-        throw new Error(`Unsupported JS Runtime '${runtime}'`);
-      } else {
-        throw new Error(
-          "Please define `JS_RUNTIME` env variable to either node | deno"
-        );
-      }
-    }
-  }
-}
 
 export default defineConfig({
   resolve: {
@@ -51,6 +28,6 @@ export default defineConfig({
           "hanging-process",
         ],
     onConsoleLog: () => !process.env.TEST_QUIET_CONSOLE,
-    environment: getTestEnvironment(process.env.JS_RUNTIME),
+    globalSetup: [`${__dirname}/vitest/globalSetup/runtime.ts`],
   },
 });

vitest/globalSetup/runtime.ts

@@ -0,0 +1,33 @@
+import type { GlobalSetupContext } from "vitest/node";
+
+export default function setup({ provide }: GlobalSetupContext): void {
+  const runtime = process.env.JS_RUNTIME;
+
+  switch (runtime) {
+    case "deno": {
+      // @ts-expect-error - Ignore the global object
+      if (!global.Deno) {
+        throw new Error("Not valid deno runtime available");
+      }
+      break;
+    }
+    case "node": {
+      if (!global.process) {
+        throw new Error("Not valid js runtime available");
+      }
+      break;
+    }
+    default:
+      throw new Error(
+        `Not valid deno runtime available "${runtime}". Possible options are deno | node`
+      );
+  }
+
+  provide("runtime", runtime);
+}
+
+declare module "vitest" {
+  export interface ProvidedContext {
+    runtime: "deno" | "node";
+  }
+}