From 478f9f9673de0e50d7b8acae279e43e2ac96ad6a Mon Sep 17 00:00:00 2001
From: Tanner Reits <tanner@ionic.io>
Date: Wed, 1 Nov 2023 15:16:40 -0400
Subject: [PATCH] fix(compiler): ignore TS diagnostics on builds where typedef
 file changes

---
 src/compiler/transpile/run-program.ts | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/compiler/transpile/run-program.ts b/src/compiler/transpile/run-program.ts
index ea1f5c09c0b..70b4da1d8fc 100644
--- a/src/compiler/transpile/run-program.ts
+++ b/src/compiler/transpile/run-program.ts
@@ -132,7 +132,10 @@ export const runTsProgram = async (
     await Promise.all(srcRootDtsFiles);
   }
 
-  if (config.validateTypes) {
+  // TODO(STENCIL-540): remove `hasTypesChanged` check and figure out how to generate types before
+  // executing the TS build program so we don't get semantic diagnostic errors about referencing the
+  // auto-generated `components.d.ts` file.
+  if (config.validateTypes && !hasTypesChanged) {
     const tsSemantic = loadTypeScriptDiagnostics(tsBuilder.getSemanticDiagnostics());
     if (config.devMode) {
       tsSemantic.forEach((semanticDiagnostic) => {