更新webpack和babel的依赖版本，去除过时的babel插件

package.json

@@ -16,7 +16,7 @@
     "ie >= 9"
   ],
   "dependencies": {
-    "@babel/runtime": "^7.0.0-beta.46",
+    "@babel/runtime": "^7.0.0-beta.49",
     "antd": "^3.4.3",
     "axo": "0.0.2",
     "bowser": "^1.9.3",
@@ -47,30 +47,28 @@
     "xml2js": "^0.4.19"
   },
   "devDependencies": {
-    "@babel/core": "^7.0.0-beta.46",
-    "@babel/helper-plugin-utils": "^7.0.0-beta.46",
-    "@babel/plugin-proposal-async-generator-functions": "^7.0.0-beta.46",
-    "@babel/plugin-proposal-class-properties": "^7.0.0-beta.46",
-    "@babel/plugin-proposal-decorators": "^7.0.0-beta.46",
-    "@babel/plugin-proposal-do-expressions": "^7.0.0-beta.46",
-    "@babel/plugin-proposal-export-default": "^7.0.0-beta.32",
-    "@babel/plugin-proposal-export-default-from": "^7.0.0-beta.46",
-    "@babel/plugin-proposal-export-namespace": "^7.0.0-beta.32",
-    "@babel/plugin-proposal-export-namespace-from": "^7.0.0-beta.46",
-    "@babel/plugin-proposal-function-bind": "^7.0.0-beta.46",
-    "@babel/plugin-proposal-nullish-coalescing-operator": "^7.0.0-beta.46",
-    "@babel/plugin-proposal-object-rest-spread": "^7.0.0-beta.46",
-    "@babel/plugin-proposal-optional-catch-binding": "^7.0.0-beta.46",
-    "@babel/plugin-proposal-optional-chaining": "^7.0.0-beta.46",
-    "@babel/plugin-proposal-pipeline-operator": "^7.0.0-beta.46",
-    "@babel/plugin-syntax-dynamic-import": "^7.0.0-beta.46",
-    "@babel/plugin-transform-react-constant-elements": "^7.0.0-beta.46",
-    "@babel/plugin-transform-react-inline-elements": "^7.0.0-beta.46",
-    "@babel/plugin-transform-runtime": "^7.0.0-beta.46",
-    "@babel/polyfill": "^7.0.0-beta.46",
-    "@babel/preset-env": "^7.0.0-beta.46",
-    "@babel/preset-react": "^7.0.0-beta.46",
-    "@babel/register": "^7.0.0-beta.46",
+    "@babel/core": "^7.0.0-beta.49",
+    "@babel/helper-plugin-utils": "^7.0.0-beta.49",
+    "@babel/plugin-proposal-async-generator-functions": "^7.0.0-beta.49",
+    "@babel/plugin-proposal-class-properties": "^7.0.0-beta.49",
+    "@babel/plugin-proposal-decorators": "^7.0.0-beta.49",
+    "@babel/plugin-proposal-do-expressions": "^7.0.0-beta.49",
+    "@babel/plugin-proposal-export-default-from": "^7.0.0-beta.49",
+    "@babel/plugin-proposal-export-namespace-from": "^7.0.0-beta.49",
+    "@babel/plugin-proposal-function-bind": "^7.0.0-beta.49",
+    "@babel/plugin-proposal-nullish-coalescing-operator": "^7.0.0-beta.49",
+    "@babel/plugin-proposal-object-rest-spread": "^7.0.0-beta.49",
+    "@babel/plugin-proposal-optional-catch-binding": "^7.0.0-beta.49",
+    "@babel/plugin-proposal-optional-chaining": "^7.0.0-beta.49",
+    "@babel/plugin-proposal-pipeline-operator": "^7.0.0-beta.49",
+    "@babel/plugin-syntax-dynamic-import": "^7.0.0-beta.49",
+    "@babel/plugin-transform-react-constant-elements": "^7.0.0-beta.49",
+    "@babel/plugin-transform-react-inline-elements": "^7.0.0-beta.49",
+    "@babel/plugin-transform-runtime": "^7.0.0-beta.49",
+    "@babel/polyfill": "^7.0.0-beta.49",
+    "@babel/preset-env": "^7.0.0-beta.49",
+    "@babel/preset-react": "^7.0.0-beta.49",
+    "@babel/register": "^7.0.0-beta.49",
     "@storybook/addon-actions": "^4.0.0-alpha.3",
     "@storybook/addon-info": "^4.0.0-alpha.3",
     "@storybook/addon-links": "^4.0.0-alpha.3",
@@ -123,11 +121,11 @@
     "style-loader": "^0.21.0",
     "uglifyjs-webpack-plugin": "^1.2.5",
     "url-loader": "^1.0.1",
-    "webpack": "^4.6.0",
-    "webpack-bundle-analyzer": "^2.11.1",
+    "webpack": "^4.9.1",
+    "webpack-bundle-analyzer": "^2.13.1",
     "webpack-cli": "^2.0.15",
-    "webpack-dev-server": "^3.1.3",
-    "webpack-manifest-plugin": "^2.0.1",
+    "webpack-dev-server": "^3.1.4",
+    "webpack-manifest-plugin": "^2.0.3",
     "webpack-merge": "^4.1.2"
   }
 }

tools/babel-preset.js

@@ -12,8 +12,6 @@ const plugins = [
   ['@babel/proposal-class-properties', {
     loose: true,
   }],
-  '@babel/plugin-proposal-export-namespace',
-  '@babel/plugin-proposal-export-default',
   '@babel/plugin-proposal-export-namespace-from',
   '@babel/plugin-proposal-export-default-from',
   '@babel/plugin-proposal-nullish-coalescing-operator',