feat: compatibility with webpack-subresource-integrity@5.1.0

BREAKING CHANGE:
- `integrity: true` now requires `webpack-subresource-integrity`>=`5.0.0`
- webpack@3 support with its `after-emit` hook is dropped

Closes: ztoben#451

index.js

@@ -42,7 +42,7 @@ AssetsWebpackPlugin.prototype = {
     )
     self.writer = createQueuedWriter(createOutputWriter(self.options))
 
-    const emitPlugin = (compilation, callback) => {
+    const emitPlugin = (file, { compilation }, callback) => {
       const options = compiler.options
       const stats = compilation.getStats().toJson({
         hash: true,
@@ -119,7 +119,7 @@ AssetsWebpackPlugin.prototype = {
           if (self.options.includeAllFileTypes || self.options.fileTypes.includes(typeName)) {
             const combinedPath = assetPath && assetPath.slice(-1) !== '/' ? `${assetPath}/${asset}` : assetPath + asset
             const type = typeof typeMap[typeName]
-            const compilationAsset = compilation.assets[asset]
+            const compilationAsset = stats.assets.find(statAsset => statAsset.name === asset)
             const integrity = compilationAsset && compilationAsset.integrity
             const loadingBehavior = obj.loadingBehavior
 
@@ -203,13 +203,8 @@ AssetsWebpackPlugin.prototype = {
       })
     }
 
-    if (compiler.hooks) {
-      const plugin = { name: 'AssetsWebpackPlugin' }
-
-      compiler.hooks.emit.tapAsync(plugin, emitPlugin)
-    } else {
-      compiler.plugin('after-emit', emitPlugin)
-    }
+    const plugin = { name: 'AssetsWebpackPlugin' }
+    compiler.hooks.assetEmitted.tapAsync(plugin, emitPlugin)
   }
 }
 

package.json

@@ -45,8 +45,8 @@
     "snazzy": "9.0.0",
     "standard": "16.0.3",
     "style-loader": "2.0.0",
-    "webpack": "5.53.0",
-    "webpack-subresource-integrity": "1.5.2"
+    "webpack": "5.75.0",
+    "webpack-subresource-integrity": "5.1.0"
   },
   "dependencies": {
     "camelcase": "^6.0.0",

test/index.test.js

@@ -7,7 +7,7 @@ const Plugin = require('../index.js')
 const OUTPUT_DIR = path.join(__dirname, '../tmp')
 const expectOutput = require('./utils/expectOutput')(OUTPUT_DIR)
 const MiniCssExtractPlugin = require('mini-css-extract-plugin')
-const SriPlugin = require('webpack-subresource-integrity')
+const { SubresourceIntegrityPlugin } = require('webpack-subresource-integrity')
 
 describe('Plugin', function () {
   beforeEach(function (done) {
@@ -253,7 +253,7 @@ describe('Plugin', function () {
     expectOutput(args, done)
   })
 
-  it('works with SriPlugin for multiple entries', function (done) {
+  it('works with SubresourceIntegrityPlugin for multiple entries', function (done) {
     const webpackConfig = {
       entry: {
         one: path.join(__dirname, 'fixtures/one.js'),
@@ -268,10 +268,7 @@ describe('Plugin', function () {
           path: 'tmp',
           integrity: true
         }),
-        new SriPlugin({
-          hashFuncNames: ['sha384'],
-          enabled: true
-        })
+        new SubresourceIntegrityPlugin()
       ]
     }