test: source maps and contenthash (#1171)

Author: evilebottnawi

package-lock.json

@@ -78,7 +78,7 @@
     "less-loader": "^6.2.0",
     "lint-staged": "^10.2.11",
     "memfs": "^3.2.0",
-    "mini-css-extract-plugin": "^0.9.0",
+    "mini-css-extract-plugin": "^0.10.0",
     "npm-run-all": "^4.1.5",
     "postcss-loader": "^3.0.0",
     "postcss-preset-env": "^6.7.0",
@@ -91,7 +91,7 @@
     "stylus": "^0.54.8",
     "stylus-loader": "^3.0.2",
     "url-loader": "^4.1.0",
-    "webpack": "^4.44.0"
+    "webpack": "^4.44.1"
   },
   "keywords": [
     "webpack",

package.json

@@ -414,7 +414,7 @@ function normalizeSourceMapForRuntime(map, loaderContext) {
         path.relative(loaderContext.rootContext, absoluteSource)
       );
 
-      return `webpack:///${contextifyPath}`;
+      return `webpack://${contextifyPath}`;
     });
   }