fix: force emit types even when there's errors (#320)

Swatinem · Oct 28, 2024 · a985a6f · a985a6f
1 parent 675b30d
commit a985a6f
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diff --git a/src/index.ts b/src/index.ts
@@ -167,6 +167,9 @@ const plugin: PluginImpl<Options> = (options = {}) => {
           },
           undefined, // cancellationToken
           true, // emitOnlyDtsFiles
+          undefined, // customTransformers
+          // @ts-ignore This is a private API for workers, should be safe to use as TypeScript Playground has used it for a long time.
+          true, // forceDtsEmit
         );
         if (emitSkipped) {
           const errors = diagnostics.filter((diag) => diag.category === ts.DiagnosticCategory.Error);

diff --git a/tests/testcases/using-ts-files/common.ts b/tests/testcases/using-ts-files/common.ts
@@ -1,3 +1,6 @@
 export interface A {}
 export interface B {}
 export interface unused {}
+// The following code triggers `Unused '@ts-expect-error' directive` error,
+// but it doesn't actually prevent the DTS from being emitted.
+// @ts-expect-error