refactor: drop normalize-url package

Author: cap-Bernardito

src/hmr/normalize-url.js

@@ -2,7 +2,7 @@
 
 function normalizeUrl(pathComponents) {
   return pathComponents
-    .reduce((accumulator, item) => {
+    .reduce(function (accumulator, item) {
       switch (item) {
         case '..':
           accumulator.pop();

test/cases/hmr/expected/webpack-4/main.js

@@ -1115,7 +1115,7 @@ module.exports = function (moduleId, options) {
 
 function normalizeUrl(pathComponents) {
   return pathComponents
-    .reduce((accumulator, item) => {
+    .reduce(function (accumulator, item) {
       switch (item) {
         case '..':
           accumulator.pop();

test/cases/hmr/expected/webpack-5/main.js

@@ -257,7 +257,7 @@ module.exports = function (moduleId, options) {
 
 function normalizeUrl(pathComponents) {
   return pathComponents
-    .reduce((accumulator, item) => {
+    .reduce(function (accumulator, item) {
       switch (item) {
         case '..':
           accumulator.pop();