adding monkeytype

vitest.config.ts

@@ -0,0 +1,53 @@
+import { defineConfig, UserWorkspaceConfig } from "vitest/config";
+import { projects as backendProjects } from "./backend/vitest.config";
+import { projects as frontendProjects } from "./frontend/vitest.config";
+
+//oxlint-disable-next-line no-explicit-any
+let globalPlugins: any[] = [];
+
+export default defineConfig({
+  test: {
+    projects: [
+      ...convertTests(backendProjects, "backend"),
+      ...convertTests(frontendProjects, "frontend"),
+      "packages/**/vitest.config.ts",
+    ],
+  },
+  plugins: globalPlugins,
+});
+
+function convertTests(
+  projects: unknown[],
+  root: string,
+): UserWorkspaceConfig[] {
+  return (projects as UserWorkspaceConfig[]).map((it) => {
+    const test = it.test ?? {};
+    const name: string | { label: string } = test.name ?? "unknown";
+    copySolidPlugin(it);
+
+    let updatedName =
+      name === null || typeof name === "string"
+        ? `${name}-${root}`
+        : { ...name, label: `${name.label}-${root}` };
+
+    return {
+      ...it,
+      test: {
+        ...test,
+        root,
+        name: updatedName,
+      },
+    } as UserWorkspaceConfig;
+  });
+}
+
+/**
+ * Tests for solidJs need the solid plugin to run on config level and on test level. idk why
+ */
+function copySolidPlugin(config: UserWorkspaceConfig): void {
+  if (!config.plugins) return;
+  config.plugins
+    //@ts-expect-error this is fine
+    .filter((it) => it?.name === "solid")
+    .forEach((it) => globalPlugins.push(it));
+}