fix react-refresh babel plugin not applied (facebook#8952)

Author: tanhauhau

packages/react-scripts/config/webpack.config.js

@@ -433,11 +433,11 @@ module.exports = function(webpackEnv) {
                         },
                       },
                     },
-                    isEnvDevelopment &&
-                      shouldUseReactRefresh &&
-                      require.resolve('react-refresh/babel'),
-                  ].filter(Boolean),
-                ],
+                  ],
+                  isEnvDevelopment &&
+                    shouldUseReactRefresh &&
+                    require.resolve('react-refresh/babel'),
+                ].filter(Boolean),
                 // This is a feature of `babel-loader` for webpack (not Babel itself).
                 // It enables caching results in ./node_modules/.cache/babel-loader/
                 // directory for faster rebuilds.
@@ -498,7 +498,9 @@ module.exports = function(webpackEnv) {
               exclude: cssModuleRegex,
               use: getStyleLoaders({
                 importLoaders: 1,
-                sourceMap: isEnvProduction ? shouldUseSourceMap : isEnvDevelopment,
+                sourceMap: isEnvProduction
+                  ? shouldUseSourceMap
+                  : isEnvDevelopment,
               }),
               // Don't consider CSS imports dead code even if the
               // containing package claims to have no side effects.
@@ -512,7 +514,9 @@ module.exports = function(webpackEnv) {
               test: cssModuleRegex,
               use: getStyleLoaders({
                 importLoaders: 1,
-                sourceMap: isEnvProduction ? shouldUseSourceMap : isEnvDevelopment,
+                sourceMap: isEnvProduction
+                  ? shouldUseSourceMap
+                  : isEnvDevelopment,
                 modules: {
                   getLocalIdent: getCSSModuleLocalIdent,
                 },
@@ -527,7 +531,9 @@ module.exports = function(webpackEnv) {
               use: getStyleLoaders(
                 {
                   importLoaders: 3,
-                  sourceMap: isEnvProduction ? shouldUseSourceMap : isEnvDevelopment,
+                  sourceMap: isEnvProduction
+                    ? shouldUseSourceMap
+                    : isEnvDevelopment,
                 },
                 'sass-loader'
               ),
@@ -544,7 +550,9 @@ module.exports = function(webpackEnv) {
               use: getStyleLoaders(
                 {
                   importLoaders: 3,
-                  sourceMap: isEnvProduction ? shouldUseSourceMap : isEnvDevelopment,
+                  sourceMap: isEnvProduction
+                    ? shouldUseSourceMap
+                    : isEnvDevelopment,
                   modules: {
                     getLocalIdent: getCSSModuleLocalIdent,
                   },