feat: dedicated entrypoint for the decorator

BREAKING CHANGE: `Socket` decorates is no longer exported out of the root entry point of `vue-socket.io-extended`, use the separate entrypoint instead:

```diff
- import { Socket } from 'vue-socket.io-extended'
+ import Socket from 'vue-socket.io-extended/decorator'
```

package.json

@@ -4,6 +4,13 @@
   "description": "Socket.io bindings for Vue.js and Vuex (inspired by Vue-Socket.io)",
   "main": "dist/vue-socket.io-ext.min.js",
   "module": "dist/vue-socket.io-ext.esm.js",
+  "exports": {
+    ".": {
+      "import": "./dist/vue-socket.io-ext.esm.js",
+      "default": "./dist/vue-socket.io-ext.min.js"
+    },
+    "./decorator/": "./dist/vue-socket.io-ext.decorator.esm.js"
+  },
   "scripts": {
     "test": "jest",
     "lint": "eslint scripts src",
@@ -17,8 +24,7 @@
   },
   "files": [
     "dist/",
-    "types/index.d.ts",
-    "types/vue.d.ts"
+    "types/"
   ],
   "typings": "types/index.d.ts",
   "keywords": [

scripts/rollup-build.js

@@ -1,19 +1,19 @@
 /* eslint-disable import/no-extraneous-dependencies */
 import nodeResolve from 'rollup-plugin-node-resolve';
 import babel from 'rollup-plugin-babel';
-import { terser } from 'rollup-plugin-terser';
+import { terser } from 'rollup-plugin-terser'; // uglifyjs alternative
 import commonjs from 'rollup-plugin-commonjs';
 import filesize from 'rollup-plugin-filesize';
 
 export default [
   {
-    input: 'src/index.esm.js',
-    external: ['vue', 'vue-class-component'],
+    input: 'src/index.js',
+    external: ['vue'],
     plugins: [
       nodeResolve(),
       commonjs(),
       babel(),
-      terser(), // uglifyjs alternative
+      terser(),
       filesize(),
     ],
     output: {
@@ -22,22 +22,36 @@ export default [
     },
   },
   {
-    input: 'src/index.umd.js',
-    external: ['vue', 'vue-class-component'],
+    input: 'src/index.js',
+    external: ['vue'],
     plugins: [
       nodeResolve(),
       commonjs(),
       babel(),
-      terser(), // uglifyjs alternative
+      terser(),
       filesize(),
     ],
-    output:
-      {
-        format: 'umd',
-        name: 'VueSocketIOExt',
-        exports: 'named',
-        globals: { vue: 'Vue' },
-        file: 'dist/vue-socket.io-ext.min.js',
-      },
+    output: {
+      format: 'umd',
+      name: 'VueSocketIOExt',
+      exports: 'named',
+      globals: { vue: 'Vue' },
+      file: 'dist/vue-socket.io-ext.min.js',
+    },
+  },
+  {
+    input: 'src/decorator.js',
+    external: ['vue-class-component'],
+    plugins: [
+      nodeResolve(),
+      commonjs(),
+      babel(),
+      terser(),
+      filesize(),
+    ],
+    output: {
+      format: 'esm',
+      file: 'dist/vue-socket.io-ext.decorator.esm.js',
+    },
   },
 ];

src/__tests__/index.esm.spec.js → src/__tests__/index.spec.js

@@ -1,4 +1,4 @@
-import VueSocketIoExt, { Socket } from '../index.esm';
+import VueSocketIoExt from '../index';
 
 it('default export should be a vue plugin', () => {
   expect(VueSocketIoExt).toMatchObject({
@@ -11,7 +11,3 @@ it('default export should have `defaults` options exported', () => {
     defaults: expect.any(Object),
   });
 });
-
-it('named export `Socket` exists', () => {
-  expect(Socket).toEqual(expect.any(Function));
-});

src/index.js

@@ -0,0 +1,3 @@
+import * as plugin from './plugin';
+
+export default plugin;