fix: prevent duplicate errors (#18)

This works by filtering any errors that were emitted from a file different to the current file being tested.
azz · Oct 16, 2019 · bc566e0 · bc566e0
1 parent c5e9fcc
commit bc566e0
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/runTsc.js b/src/runTsc.js
@@ -50,7 +50,8 @@ const runTsc = ({ testPath, config: jestConfig }) => {
 
   const allDiagnostics = ts
     .getPreEmitDiagnostics(program)
-    .concat(emitResult.diagnostics);
+    .concat(emitResult.diagnostics)
+    .filter(diagnostic => diagnostic.file.fileName === testPath);
 
   const errors = allDiagnostics
     .map(diagnostic => {