vendor tsgo

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

@@ -0,0 +1,56 @@
+package fourslash_test
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/fourslash"
+	"github.com/microsoft/typescript-go/internal/testutil"
+)
+
+func TestGoToSourceReferenceTypesToJS(t *testing.T) {
+	t.Parallel()
+	defer testutil.RecoverAndFail(t, "Panic on fourslash test")
+	// /// <reference types="foo"/> resolves to @types/foo/index.d.ts.
+	// Source definition should find the corresponding foo/index.js.
+	const content = `// @moduleResolution: bundler
+// @Filename: /home/src/workspaces/project/node_modules/@types/foo/package.json
+{ "name": "@types/foo", "version": "1.0.0" }
+// @Filename: /home/src/workspaces/project/node_modules/@types/foo/index.d.ts
+export declare function bar(): string;
+// @Filename: /home/src/workspaces/project/node_modules/foo/package.json
+{ "name": "foo", "version": "1.0.0", "main": "./index.js" }
+// @Filename: /home/src/workspaces/project/node_modules/foo/index.js
+export function /*target*/bar() { return "hello"; }
+// @Filename: /home/src/workspaces/project/index.ts
+/// <reference types="[|foo/*refTypes*/|]" />
+import { bar } from "foo";
+bar();`
+	f, done := fourslash.NewFourslash(t, nil /*capabilities*/, content)
+	defer done()
+	f.VerifyBaselineGoToSourceDefinition(t, "refTypes")
+}
+
+func TestGoToSourceReferencePathToDts(t *testing.T) {
+	t.Parallel()
+	defer testutil.RecoverAndFail(t, "Panic on fourslash test")
+	// /// <reference path="./lib.d.ts"/> where a sibling .js file exists.
+	// Source definition should navigate to the .js implementation.
+	const content = `// @moduleResolution: bundler
+// @Filename: /home/src/workspaces/project/node_modules/pkg/package.json
+{ "name": "pkg", "main": "./index.js", "types": "./index.d.ts" }
+// @Filename: /home/src/workspaces/project/node_modules/pkg/index.d.ts
+/// <reference path="./lib.d.ts" />
+export declare function main(): void;
+// @Filename: /home/src/workspaces/project/node_modules/pkg/lib.d.ts
+export declare function helper(): string;
+// @Filename: /home/src/workspaces/project/node_modules/pkg/lib.js
+export function /*target*/helper() { return "ok"; }
+// @Filename: /home/src/workspaces/project/node_modules/pkg/index.js
+export function main() {}
+// @Filename: /home/src/workspaces/project/index.ts
+/// <reference path="./node_modules/pkg/[|lib.d.ts/*refPath*/|]" />
+declare function helper(): string;`
+	f, done := fourslash.NewFourslash(t, nil /*capabilities*/, content)
+	defer done()
+	f.VerifyBaselineGoToSourceDefinition(t, "refPath")
+}