CSS build fixes

- Bump postcss.
- Remove postcss-clean. It's incompatible with newer versions and
  apparently unnecesary.
- Finally got CSS source maps to work again

dev.html

@@ -42,7 +42,7 @@
         websocket_url: 'wss://conversejs.org/xmpp-websocket',
         // websocket_url: 'ws://chat.example.org:5380/xmpp-websocket',
         whitelisted_plugins: ['converse-debug'],
-        connection_options: { worker: '/dist/shared-connection-worker.js' }
+        // connection_options: { worker: '/dist/shared-connection-worker.js' }
     });
 </script>
 </body>

package.json

@@ -71,7 +71,7 @@
     "autoprefixer": "^10.4.5",
     "babel-loader": "^9.1.0",
     "bootstrap.native-loader": "2.0.0",
-    "clean-css-cli": "^5.6.0",
+    "clean-css-cli": "^5.6.2",
     "copy-webpack-plugin": "^11.0.0",
     "css-loader": "^6.7.1",
     "eslint": "^8.21.0",
@@ -92,8 +92,7 @@
     "minimist": "^1.2.6",
     "po-loader": "0.7.0",
     "po2json": "^1.0.0-beta-3",
-    "postcss": "^8.4.14",
-    "postcss-clean": "1.2.0",
+    "postcss": "^8.4.16",
     "postcss-loader": "^7.0.1",
     "prettierx": "^0.19.0",
     "sass": "^1.51.0",

postcss.config.js

@@ -2,6 +2,5 @@
 module.exports = {
     plugins: [
         require('autoprefixer'),
-        require('postcss-clean')
     ]
 }

webpack/webpack.build.js

@@ -50,10 +50,12 @@ module.exports = merge(common, {
                     options: {
                         url: false,
                         sourceMap: true
-
                     }
                 },
-                'postcss-loader',
+                {
+                    loader: "postcss-loader",
+                    options: { sourceMap: true }
+                },
                 {
                     loader: 'sass-loader',
                     options: {
@@ -65,7 +67,7 @@ module.exports = merge(common, {
                         },
                         sourceMap: true
                     }
-                }
+                },
             ]
         }]
     }

webpack/webpack.common.js

@@ -59,10 +59,15 @@ module.exports = {
                 {
                     loader: 'css-loader',
                     options: {
+                        url: false,
                         sourceMap: true
+
                     }
                 },
-                'postcss-loader',
+                {
+                    loader: "postcss-loader",
+                    options: { sourceMap: true }
+                },
                 {
                     loader: 'sass-loader',
                     options: {
@@ -74,7 +79,7 @@ module.exports = {
                         },
                         sourceMap: true
                     }
-                }
+                },
             ]
         }, {
             test: /\.js$/,