From 039a7b7322546a0b0c986cd9f08743b4938198cb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?St=C3=A9phane=20Goetz?= <onigoetz@onigoetz.ch>
Date: Mon, 12 May 2025 22:06:33 +0200
Subject: [PATCH] Catch webpack failures

---
 src/hooks/tap-error-to-log-message.ts | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/src/hooks/tap-error-to-log-message.ts b/src/hooks/tap-error-to-log-message.ts
index e5fcf433..ee9d633e 100644
--- a/src/hooks/tap-error-to-log-message.ts
+++ b/src/hooks/tap-error-to-log-message.ts
@@ -10,6 +10,17 @@ function tapErrorToLogMessage(
   compiler: webpack.Compiler,
   config: ForkTsCheckerWebpackPluginConfig
 ) {
+
+  // If the webpack build fails independently from fork-ts-checker-webpack-plugin,
+  // it will stop the RPC server with a SIGTERM. Here we catch this case.
+  let webpackFailed = false;
+  compiler.hooks.compile.tap('ForkTsCheckerWebpackPlugin', (error) => {
+    webpackFailed = false;
+  });
+  compiler.hooks.failed.tap('ForkTsCheckerWebpackPlugin', (error) => {
+    webpackFailed = true;
+  });
+  
   const hooks = getPluginHooks(compiler);
 
   hooks.error.tap('ForkTsCheckerWebpackPlugin', (error) => {
@@ -17,6 +28,10 @@ function tapErrorToLogMessage(
       return;
     }
 
+    if (webpackFailed) {
+      return;
+    }
+
     config.logger.error(String(error));
 
     if (error instanceof RpcExitError) {