Files
kjol/tools/tsgo/internal/fourslash/tests/goToSourceDefinitionNestedScope_test.go
2026-07-09 16:50:43 -04:00

59 lines
2.4 KiB
Go

package fourslash_test
import (
"testing"
"github.com/microsoft/typescript-go/internal/fourslash"
"github.com/microsoft/typescript-go/internal/testutil"
)
func TestGoToSourceNestedScopeShadowing(t *testing.T) {
t.Parallel()
defer testutil.RecoverAndFail(t, "Panic on fourslash test")
// findDeclarationNodesByName should only match top-level/exported declarations,
// not nested locals that happen to share the same name. Here "helper" is
// exported at the top level, but there's also a local "helper" variable inside
// a function body. We should navigate to the exported function, not the local.
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
export declare function helper(): string;
// @Filename: /home/src/workspaces/project/node_modules/pkg/index.js
export function /*targetHelper*/helper() { return "ok"; }
function unrelated() {
const helper = "shadow";
return helper;
}
// @Filename: /home/src/workspaces/project/index.ts
import { /*importHelper*/helper } from "pkg";
helper/*usage*/();`
f, done := fourslash.NewFourslash(t, nil /*capabilities*/, content)
defer done()
f.VerifyBaselineGoToSourceDefinition(t, "importHelper", "usage")
}
func TestGoToSourceNestedClassShadowing(t *testing.T) {
t.Parallel()
defer testutil.RecoverAndFail(t, "Panic on fourslash test")
// A class "Widget" is exported at the top level, and there's also a local
// class "Widget" inside a function. We should only navigate to the exported one.
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
export declare class Widget {}
// @Filename: /home/src/workspaces/project/node_modules/pkg/index.js
export class /*targetWidget*/Widget {}
function factory() {
class Widget { constructor() { this.local = true; } }
return new Widget();
}
// @Filename: /home/src/workspaces/project/index.ts
import { /*importWidget*/Widget } from "pkg";
new Widget();`
f, done := fourslash.NewFourslash(t, nil /*capabilities*/, content)
defer done()
f.VerifyBaselineGoToSourceDefinition(t, "importWidget")
}