Add compiler errors to browser console (issue elm-community#201)

wbyrnetx · Apr 29, 2022 · 73d862c · 73d862c
1 parent bbce36b
commit 73d862c
Showing 1 changed file with 7 additions and 2 deletions.
diff --git a/index.js b/index.js
@@ -163,7 +163,7 @@ function compile(sources, options) {
                 return reject(err);
             }
             options.output = info.path;
-            options.processOpts = { stdio: "inherit" };
+            options.processOpts = { stdio: "pipe" };
 
             var compiler;
 
@@ -174,9 +174,14 @@ function compile(sources, options) {
                 return reject(compileError);
             }
 
+            // Catch output from stderr so we can use it in resolve
+            var errorChunks = [];
+            compiler.stderr.on('data', (data) => errorChunks = errorChunks.concat(data));
+
             compiler.on("close", function (exitCode) {
                 if (exitCode !== 0) {
-                    return reject("Compilation failed");
+                    var errorText = Buffer.concat(errorChunks).toString();
+                    return reject("Compilation failed! " + errorText);
                 }
 
                 fs.readFile(info.path, { encoding: "utf8" }, function (err, data) {