feat: add vue-demi support

dev/dev.js

@@ -1,4 +1,4 @@
-import { createApp, h } from 'vue'
+import { createApp } from 'vue-demi'
 import Dev from './Dev.vue'
 
 createApp(Dev).mount('#app')

package.json

@@ -45,7 +45,13 @@
     "url": "https://github.com/sagalbot/vue-select.git"
   },
   "peerDependencies": {
-        "vue": "3.x"
+    "@vue/composition-api": "^1.0.0-rc.1",
+    "vue": "^2.0.0 || >=3.0.0"
+  },
+  "peerDependenciesMeta": {
+    "@vue/composition-api": {
+      "optional": true
+    }
   },
   "devDependencies": {
     "@rushstack/eslint-patch": "^1.2.0",
@@ -75,7 +81,8 @@
     "vite": "^3.2.4",
     "vitest": "^0.25.3",
     "vue": "^3.2.45",
-        "vue-tsc": "^1.0.10"
+    "vue-tsc": "^1.0.10",
+    "yarn": "^1.22.22"
   },
   "config": {
     "commitizen": {
@@ -100,5 +107,8 @@
         "maxSize": "2 KB"
       }
     ]
+  },
+  "dependencies": {
+    "vue-demi": "^0.14.7"
   }
 }

tests/unit/Components.spec.js

@@ -1,5 +1,5 @@
 import { it, describe, expect } from 'vitest'
-import { defineComponent } from 'vue'
+import { defineComponent } from 'vue-demi'
 import { selectWithProps } from '@tests/helpers.js'
 
 describe('Components API', () => {

tests/unit/Slots.spec.js

@@ -1,5 +1,5 @@
 import { it, test, describe, expect, vi } from 'vitest'
-import { h } from 'vue'
+import { h } from 'vue-demi'
 import { mountDefault } from '@tests/helpers.js'
 
 describe('Scoped Slots', () => {

vite.config.ts

@@ -8,6 +8,9 @@ import vue from '@vitejs/plugin-vue'
 export default defineConfig({
   plugins: [vue()],
   publicDir: false,
+  optimizeDeps: {
+    exclude: ['vue-demi'],
+  },
   resolve: {
     alias: {
       '@': fileURLToPath(new URL('./src', import.meta.url)),