From c6e2dbbc5a93c052554c5eec000b47840752d3c6 Mon Sep 17 00:00:00 2001
From: Maxim Prokhorov <prokhorov.max@outlook.com>
Date: Fri, 15 Jan 2021 22:25:59 +0300
Subject: [PATCH] webui: show the actual error when compressJs fails

note that this does not show the correct error line b/c we filter this
through the remover() first
---
 code/gulpfile.js | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/code/gulpfile.js b/code/gulpfile.js
index b4257aef..c168f097 100644
--- a/code/gulpfile.js
+++ b/code/gulpfile.js
@@ -116,7 +116,12 @@ var compressJs = function() {
         }
 
         if (source.path.endsWith("custom.js")) {
-            var result = terser.minify(source.contents.toString());
+            var contents = source.contents.toString();
+            var result = terser.minify(contents);
+            if (result.error) {
+                var { message, filename, line, col, pos } = result.error;
+                throw new Error("terser error `" + message + "` in file " + filename + ", at line " + line);
+            }
             source.contents = Buffer.from(result.code);
 
             this.push(source);