fix: allow to specify pretty errors in TTY (#1420)

* fix: allow to specify pretty errors in TTY closes #1418 * lint fix Co-authored-by: Andrew Bradley <cspotcode@gmail.com>
TypeStrong · Aug 8, 2021 · b044e71 · b044e71
1 parent 9c1c9ce
commit b044e71
Showing 1 changed file with 6 additions and 4 deletions.
diff --git a/src/index.ts b/src/index.ts
@@ -675,10 +675,12 @@ export function create(rawOptions: CreateOptions = {}): Service {
     },
   });
 
-  const formatDiagnostics =
-    process.stdout.isTTY || options.pretty
-      ? ts.formatDiagnosticsWithColorAndContext || ts.formatDiagnostics
-      : ts.formatDiagnostics;
+  const shouldHavePrettyErrors =
+    options.pretty === undefined ? process.stdout.isTTY : options.pretty;
+
+  const formatDiagnostics = shouldHavePrettyErrors
+    ? ts.formatDiagnosticsWithColorAndContext || ts.formatDiagnostics
+    : ts.formatDiagnostics;
 
   function createTSError(diagnostics: ReadonlyArray<_ts.Diagnostic>) {
     const diagnosticText = formatDiagnostics(diagnostics, diagnosticHost);