57 lines
2.3 KiB
Go
57 lines
2.3 KiB
Go
package fourslash_test
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import (
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"testing"
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"github.com/microsoft/typescript-go/internal/fourslash"
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"github.com/microsoft/typescript-go/internal/testutil"
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)
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func TestGoToSourceDefaultImportUsageSiteChecker(t *testing.T) {
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t.Parallel()
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defer testutil.RecoverAndFail(t, "Panic on fourslash test")
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// When the cursor is on a usage of a default import (not on the import
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// clause itself), the checker path is taken. getCandidateSourceDeclarationNames
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// must include "default" from the resolved declaration's export-default
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// modifier, since isDefaultImportName returns false at the usage site.
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const content = `// @moduleResolution: bundler
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// @Filename: /home/src/workspaces/project/node_modules/pkg/package.json
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{ "name": "pkg", "main": "./index.js", "types": "./index.d.ts" }
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// @Filename: /home/src/workspaces/project/node_modules/pkg/index.d.ts
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export default class Widget {
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render(): void;
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}
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// @Filename: /home/src/workspaces/project/node_modules/pkg/index.js
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export default class /*targetWidget*/Widget {
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/*targetRender*/render() {}
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}
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// @Filename: /home/src/workspaces/project/index.ts
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import Widget from "pkg";
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const w = new Widget/*constructUsage*/("test");
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w./*methodUsage*/render();`
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f, done := fourslash.NewFourslash(t, nil /*capabilities*/, content)
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defer done()
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f.VerifyBaselineGoToSourceDefinition(t, "constructUsage", "methodUsage")
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}
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func TestGoToSourceDefaultImportReExportUsage(t *testing.T) {
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t.Parallel()
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defer testutil.RecoverAndFail(t, "Panic on fourslash test")
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// Default import re-exported and then used at a call site. The checker
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// must resolve the alias chain, and the source definition should reach
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// the original implementation file.
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const content = `// @moduleResolution: bundler
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// @Filename: /home/src/workspaces/project/node_modules/pkg/package.json
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{ "name": "pkg", "main": "./index.js", "types": "./index.d.ts" }
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// @Filename: /home/src/workspaces/project/node_modules/pkg/index.d.ts
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export default function greet(name: string): string;
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// @Filename: /home/src/workspaces/project/node_modules/pkg/index.js
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export default function /*targetGreet*/greet(name) { return "Hello, " + name; }
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// @Filename: /home/src/workspaces/project/index.ts
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import greet from "pkg";
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greet/*callUsage*/("world");`
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f, done := fourslash.NewFourslash(t, nil /*capabilities*/, content)
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defer done()
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f.VerifyBaselineGoToSourceDefinition(t, "callUsage")
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}
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