vendor tsgo

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

@@ -0,0 +1,35 @@
+package fourslash_test
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/fourslash"
+	"github.com/microsoft/typescript-go/internal/testutil"
+)
+
+func TestQuickInfoDestructuredBinding(t *testing.T) {
+	t.Parallel()
+	defer testutil.RecoverAndFail(t, "Panic on fourslash test")
+
+	const content = `
+function f({ /*1*/x }: { x: number }) {}
+function g([/*2*/y]: number[]) {}
+function h({ a: { /*3*/b } }: { a: { b: string } }) {}
+const { /*4*/c } = { c: 42 };
+let { /*5*/d } = { d: "hello" };
+var { /*6*/e } = { e: true };
+`
+	f, done := fourslash.NewFourslash(t, nil /*capabilities*/, content)
+	defer done()
+
+	// Destructured object binding parameters should show "(parameter)" not "var"
+	f.VerifyQuickInfoAt(t, "1", "(parameter) x: number", "")
+	// Destructured array binding parameters should show "(parameter)" not "var"
+	f.VerifyQuickInfoAt(t, "2", "(parameter) y: number", "")
+	// Nested destructured parameters should also show "(parameter)"
+	f.VerifyQuickInfoAt(t, "3", "(parameter) b: string", "")
+	// Destructured const/let/var bindings should show their proper keyword
+	f.VerifyQuickInfoAt(t, "4", "const c: number", "")
+	f.VerifyQuickInfoAt(t, "5", "let d: string", "")
+	f.VerifyQuickInfoAt(t, "6", "var e: boolean", "")
+}