feat(src/index.js): Check NODE_ENV

Only attempt to inject HOT if in development, as a safety to production builds

Author: ScriptedAlchemy

src/index.js

@@ -146,31 +146,33 @@ class ExtractCssChunks {
   }
 
   apply(compiler) {
-    try {
-      const isHOT = isHMR(compiler);
-
-      if (isHOT && compiler.options.module && compiler.options.module.rules) {
-        const updatedRules = compiler.options.module.rules.reduce((rules, rule) => {
-          if (rule.use && Array.isArray(rule.use)) {
-            const isMiniCss = rule.use.some((l) => {
-              const needle = l.loader || l;
-              return needle.includes(pluginName);
-            });
-            if (isMiniCss) {
-              rule.use.unshift(hotLoader);
-            }
-          }
-          rules.push(rule);
-
-          return rules;
-        }, []);
-
-        compiler.options.module.rules = updatedRules;
-      }
-    } catch (e) {
-      console.error('Something went wrong: contact the author', e);
-    }
 
+     if(process.env.NODE_ENV === 'development') {
+         try {
+             const isHOT = isHMR(compiler);
+
+             if (isHOT && compiler.options.module && compiler.options.module.rules) {
+                 const updatedRules = compiler.options.module.rules.reduce((rules, rule) => {
+                     if (rule.use && Array.isArray(rule.use)) {
+                         const isMiniCss = rule.use.some((l) => {
+                             const needle = l.loader || l;
+                             return needle.includes(pluginName);
+                         });
+                         if (isMiniCss) {
+                             rule.use.unshift(hotLoader);
+                         }
+                     }
+                     rules.push(rule);
+
+                     return rules;
+                 }, []);
+
+                 compiler.options.module.rules = updatedRules;
+             }
+         } catch (e) {
+             console.error('Something went wrong: contact the author', e);
+         }
+     }
 
     compiler.hooks.thisCompilation.tap(pluginName, (compilation) => {
       compilation.hooks.normalModuleLoader.tap(pluginName, (lc, m) => {