rcs5.0 commit

packages/rcs_5.0/babel.config.js

@@ -0,0 +1,21 @@
+module.exports = {
+  presets: [
+    '@vue/cli-plugin-babel/preset',
+  ],
+  plugins: ['transform-remove-strict-mode',
+    [
+      '@babel/transform-runtime', {
+        absoluteRuntime: false,
+      }],
+    '@babel/plugin-proposal-optional-chaining',  // 可选链 ?.
+    '@babel/plugin-proposal-nullish-coalescing-operator', // 空值合并 ??
+  ],
+  env: {
+    development: {
+      // babel-plugin-dynamic-import-node plugin only does one thing by converting all import() to require().
+      // This plugin can significantly increase the speed of hot updates, when you have a large number of pages.
+      // https://panjiachen.github.io/vue-element-admin-site/guide/advanced/lazy-loading.html
+      plugins: ['dynamic-import-node'],
+    },
+  },
+};