guard Debug Panel with process.env.NODE_ENV

Author: nicolodavis

rollup.config.js

@@ -44,6 +44,7 @@ const minifiedPlugins = [
   svelte({ extensions: ['.svelte'] }),
   commonjs(),
   replace({
+    exclude: 'src/**',
     'process.env.NODE_ENV': JSON.stringify('production'),
   }),
   filesize(),

src/client/client.js

@@ -314,7 +314,11 @@ class _ClientImpl {
   }
 
   mount() {
-    if (this.debug !== false && this._debugPanel == null) {
+    if (
+      process.env.NODE_ENV !== 'production' &&
+      this.debug !== false &&
+      this._debugPanel == null
+    ) {
       let target = document.body;
       if (this.debug && this.debug.target) {
         target = this.debug.target;