chore: fix esm build and tree shaking

Author: woothu

dist/coreui-vue.common.js

@@ -9,6 +9,9 @@
     "src",
     "dist/*.js"
   ],
+  "sideEffects": [
+    "*.css"
+  ],
   "homepage": "https://coreui.io",
   "author": {
     "name": "Łukasz Holeczek",
@@ -92,7 +95,7 @@
     "rollup-plugin-postcss": "^2.0.3",
     "rollup-plugin-replace": "^2.2.0",
     "rollup-plugin-uglify": "^6.0.3",
-    "rollup-plugin-vue": "^5.1.4",
+    "rollup-plugin-vue": "4.7.2",
     "sass-loader": "^8.0.0",
     "vue-router": "^3.1.3",
     "vue-template-compiler": "^2.6.10"

dist/coreui-vue.common.js.map

@@ -2,7 +2,7 @@ import { camelCase } from 'lodash';
 import path from 'path';
 import babel from 'rollup-plugin-babel';
 import commonjs from 'rollup-plugin-commonjs';
-// import filesize from 'rollup-plugin-filesize';
+import filesize from 'rollup-plugin-filesize';
 import json from 'rollup-plugin-json';
 import license from 'rollup-plugin-license';
 import postcss from 'rollup-plugin-postcss'
@@ -99,7 +99,7 @@ function genConfig(name) {
           ['@vue/app', { modules: false }]
         ]
       }),
-      // filesize()
+      filesize()
     ].concat(opts.plugins || []),
     output: {
       exports: 'named',