Update for Webpack 4

Author: ruszki

src/chunk-manifest-webpack-plugin.js

@@ -1,7 +1,7 @@
 /**
- * This dependency plugin is a fork of: 
+ * This dependency plugin is a fork of:
  * chunk-manifest-webpack-plugin (https://github.com/soundcloud/chunk-manifest-webpack-plugin)
- * 
+ *
  * inline-chunk-manifest-html-webpack-plugin already enables inlining webpack's chunk manifest,
  * and therefor has been extracted.
  */
@@ -22,15 +22,15 @@ class ChunkManifestPlugin {
     const manifestVariable = this.manifestVariable;
     let chunkFilename;
 
-    compiler.plugin("this-compilation", compilation => {
+    compiler.hooks.thisCompilation.tap("ChunkManifestPlugin", compilation => {
       const mainTemplate = compilation.mainTemplate;
-      mainTemplate.plugin("require-ensure", function(
+      mainTemplate.hooks.requireEnsure.tap("ChunkManifestPlugin", (
         source,
         chunk,
         hash
         /*, chunkIdVariableName */
-      ) {
-        chunkFilename = this.outputOptions.chunkFilename;
+      ) => {
+        chunkFilename = compilation.outputOptions.chunkFilename;
 
         if (chunkFilename) {
           const chunkManifest = [chunk].reduce(function registerChunk(
@@ -42,23 +42,29 @@ class ChunkManifestPlugin {
             if (c.hasRuntime()) {
               manifest[c.id] = undefined;
             } else {
-              const assetFilename = mainTemplate.applyPluginsWaterfall(
-                "asset-path",
+              const assetFilename = mainTemplate.getAssetPath(
                 chunkFilename,
                 {
-                  hash,
+                  hash: hash,
                   chunk: c
                 }
               );
 
               manifest[c.id] = assetFilename;
             }
 
-            return c.chunks.reduce(registerChunk, manifest);
-          },
-          {});
+            const cGroups = Array.from(c.groupsIterable);
+            const cGroupsChildren = cGroups.map(group => group.chunks);
+            const unsortedChunks = cGroupsChildren.reduce(
+              (chunksArray, childrens) => chunksArray.concat(childrens),
+              []);
 
-          this.outputOptions.chunkFilename = "__CHUNK_MANIFEST__";
+            const chunks = Array.from(new Set(unsortedChunks));
+
+            return chunks.reduce(registerChunk, manifest);
+          }, {});
+
+          compilation.outputOptions.chunkFilename = "__CHUNK_MANIFEST__";
 
           compilation.assets[manifestFilename] = new RawSource(
             JSON.stringify(chunkManifest)
@@ -69,16 +75,16 @@ class ChunkManifestPlugin {
       });
     });
 
-    compiler.plugin("compilation", compilation => {
+    compiler.hooks.compilation.tap("ChunkManifestPlugin", compilation => {
       const mainTemplate = compilation.mainTemplate;
-      mainTemplate.plugin("require-ensure", function(
+      mainTemplate.hooks.requireEnsure.tap("ChunkManifestPlugin", (
         source,
         chunk,
         hash,
         chunkIdVariableName
-      ) {
+      ) => {
         if (chunkFilename) {
-          this.outputOptions.chunkFilename = chunkFilename;
+          compilation.outputOptions.chunkFilename = chunkFilename;
         }
 
         const updatedSource = source.replace(

src/index.js

@@ -51,17 +51,16 @@ class InlineChunkManifestHtmlWebpackPlugin {
     const chunkManifestVariable = this.chunkManifestVariable;
     const dropAsset = this.dropAsset;
 
-    compiler.plugin("emit", (compilation, callback) => {
+    compiler.hooks.emit.tapAsync("InlineChunkManifestHtmlWebpackPlugin", (compilation, callback) => {
       if (dropAsset) {
         delete compilation.assets[manifestFilename];
       }
 
       callback();
     });
 
-    compiler.plugin("compilation", compilation => {
-      compilation.plugin(
-        "html-webpack-plugin-alter-asset-tags",
+    compiler.hooks.compilation.tap("InlineChunkManifestHtmlWebpackPlugin", compilation => {
+      compilation.hooks.htmlWebpackPluginAlterAssetTags.tapAsync("InlineChunkManifestHtmlWebpackPlugin",
         (htmlPluginData, callback) => {
           const asset = compilation.assets[manifestFilename];
 
@@ -82,8 +81,7 @@ class InlineChunkManifestHtmlWebpackPlugin {
         }
       );
 
-      compilation.plugin(
-        "html-webpack-plugin-before-html-generation",
+      compilation.hooks.htmlWebpackPluginBeforeHtmlGeneration.tapAsync("InlineChunkManifestHtmlWebpackPlugin",
         (htmlPluginData, callback) => {
           const asset = compilation.assets[manifestFilename];