vendor tsgo

tools/tsgo/internal/fourslash/tests/autoImportReexportOfCrossPackageAugmentation_test.go

@@ -0,0 +1,49 @@
+package fourslash_test
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/core"
+	"github.com/microsoft/typescript-go/internal/fourslash"
+	"github.com/microsoft/typescript-go/internal/ls/lsutil"
+	"github.com/microsoft/typescript-go/internal/testutil"
+)
+
+// TestAutoImportReexportOfCrossPackageAugmentation verifies no crash when auto-importing
+// from a package that re-exports from another package that is also augmented.
+func TestAutoImportReexportOfCrossPackageAugmentation(t *testing.T) {
+	t.Parallel()
+	defer testutil.RecoverAndFail(t, "Panic on fourslash test")
+	const content = `// @Filename: /node_modules/vitest/package.json
+{ "name": "vitest", "version": "1.0.0", "types": "index.d.ts" }
+// @Filename: /node_modules/vitest/index.d.ts
+export { AugmentedInterface, uniqueFunction } from "@vitest/expect";
+// @Filename: /node_modules/vitest/augmentation.d.ts
+export {};
+declare module "@vitest/expect" {
+    interface AugmentedInterface {
+        bar: string;
+    }
+		function uniqueFunction(): void;
+}
+// @Filename: /node_modules/@vitest/expect/package.json
+{ "name": "@vitest/expect", "version": "1.0.0", "types": "index.d.ts" }
+// @Filename: /node_modules/@vitest/expect/index.d.ts
+export interface AugmentedInterface {
+    baz: number;
+}
+// @Filename: /tsconfig.json
+{ "compilerOptions": { "module": "commonjs", "strict": true } }
+// @Filename: /package.json
+{ "name": "test", "dependencies": { "vitest": "*" } }
+// @Filename: /index.ts
+uniqueFunction/**/`
+	f, done := fourslash.NewFourslash(t, nil /*capabilities*/, content)
+	defer done()
+
+	prefs := lsutil.NewDefaultUserPreferences()
+	prefs.AutoImportEntrypointDirectorySearch = core.TSTrue
+	f.Configure(t, prefs)
+	f.GoToMarker(t, "")
+	f.BaselineAutoImportsCompletions(t, []string{""})
+}