Merge pull request #38 from mpreziuso/bugfix/webpack-5-support

fix: replace dep.module with ModuleGraph API

index.js

@@ -38,7 +38,7 @@ class WebpackFixStyleOnlyEntriesPlugin {
         if (!file.endsWith(".js") && !file.endsWith(".mjs")) return;
         if (!chunk.hasEntryModule()) return;
 
-        const rawResources = collectEntryResources(chunk.entryModule);
+        const rawResources = collectEntryResources(compilation, chunk.entryModule);
         const resources = this.options.ignore
           ? rawResources.filter(r => !r.match(this.options.ignore))
           : rawResources;
@@ -61,7 +61,7 @@ class WebpackFixStyleOnlyEntriesPlugin {
   }
 }
 
-function collectEntryResources(module, level = 0) {
+function collectEntryResources(compilation, module, level = 0) {
   // module.index is unique per compilation
   // module.id can be null, not used here
   if (_entryResourcesCache[module.index] !== undefined) {
@@ -76,12 +76,17 @@ function collectEntryResources(module, level = 0) {
 
   const resources = [];
   if (module.dependencies) {
+    const hasModuleGraphSupport = compilation.hasOwnProperty('moduleGraph');
     module.dependencies.forEach(dep => {
-      if (dep && (dep.module || dep.originModule)) {
-        const nextModule = dep.module || dep.originModule;
-        const depResources = collectEntryResources(nextModule, level + 1);
-        for (let index = 0, length = depResources.length; index !== length; index++) {
-          resources.push(depResources[index]);
+      if(dep) {
+        const module = hasModuleGraphSupport ? compilation.moduleGraph.getModule(dep) : dep.module;
+        const originModule = hasModuleGraphSupport ? compilation.moduleGraph.getParentModule(dep) : dep.originModule;
+        const nextModule = module || originModule;
+        if (nextModule) {
+          const depResources = collectEntryResources(compilation, nextModule, level + 1);
+          for (let index = 0, length = depResources.length; index !== length; index++) {
+            resources.push(depResources[index]);
+          }
         }
       }
     });