Fix for vue 3

package.json

@@ -45,8 +45,9 @@
   "browserslist": "> 0.25%, not dead",
   "devDependencies": {
     "@babel/core": "^7.2.0",
-    "@babel/preset-env": "^7.2.0",
+    "@babel/plugin-proposal-object-rest-spread": "^7.20.7",
     "@babel/plugin-proposal-optional-chaining": "^7.10.3",
+    "@babel/preset-env": "^7.2.0",
     "@vue/eslint-config-prettier": "^6.0.0",
     "@vue/test-utils": "1.0.0-beta.31",
     "babel-jest": "^23.6.0",
@@ -60,7 +61,7 @@
     "jest": "^23.6.0",
     "jest-serializer-vue": "^2.0.2",
     "mini-css-extract-plugin": "^0.4.5",
-    "node-sass": "^4.13.1",
+    "node-sass": "^9.0.0",
     "optimize-css-assets-webpack-plugin": "^5.0.1",
     "sass-loader": "^7.1.0",
     "ts-loader": "^6.2.2",
@@ -81,6 +82,7 @@
     "vue": "^2.6.11"
   },
   "dependencies": {
-    "resize-observer-polyfill": "^1.5.1"
+    "resize-observer-polyfill": "^1.5.1",
+    "tiny-emitter": "^2.1.0"
   }
 }

src/Plugin.js

@@ -3,45 +3,37 @@ import Dialog from './components/Dialog.vue'
 import PluginCore from './PluginCore'
 
 const Plugin = {
-  install(Vue, options = {}) {
-    if (Vue.prototype.$modal) {
+  install(app, options = {}) {
+    if (app.config.globalProperties.$modal) {
       return
     }
 
-    const plugin = new PluginCore(Vue, options)
+    const plugin = PluginCore(options)
 
-    Object.defineProperty(Vue.prototype, '$modal', {
-      get: function() {
-        /**
-         * The "this" scope is the scope of the component that calls this.$modal
-         */
-        const caller = this
-        /**
-         * The this.$modal can be called only from inside the vue components so this check is not really needed...
-         */
-        if (caller instanceof Vue) {
-          const root = caller.$root
+    app.config.globalProperties.$modal = plugin
+    app.provide('$modal', plugin)
 
+    app.mixin({
+      mounted() {
+        if (this.$root === this) {
           if (!plugin.context.root) {
-            plugin.setDynamicModalContainer(root)
+            plugin.setDynamicModalContainer(this)
           }
         }
-
-        return plugin
       }
     })
 
     /**
      * Sets custom component name (if provided)
      */
-    Vue.component(plugin.context.componentName, Modal)
+    app.component(plugin.context.componentName, Modal)
 
     /**
      * Registration of <Dialog/> component
      */
     if (options.dialog) {
-      const componentName = options.dialogComponentName || 'VDialog';
-      Vue.component(componentName, Dialog);
+      const componentName = options.dialogComponentName || 'VDialog'
+      app.component(componentName, Dialog)
     }
   }
 }

src/PluginCore.js

@@ -1,14 +1,24 @@
 import { UNSUPPORTED_ARGUMENT_ERROR } from './utils/errors'
 import { createDivInBody } from './utils'
 import ModalsContainer from './components/ModalsContainer.vue'
-
-const PluginCore = (Vue, options = {}) => {
-  const subscription = new Vue()
+import emitter from 'tiny-emitter/instance'
+import { createVNode, render } from 'vue'
+
+const PluginCore = (app, options = {}) => {
+  const subscription = {
+    $on: (...args) => emitter.on(...args),
+    $once: (...args) => emitter.once(...args),
+    $off: (...args) => emitter.off(...args),
+    $emit: (...args) => emitter.emit(...args)
+  }
 
   const context = {
     root: null,
     componentName: options.componentName || 'Modal'
   }
+  subscription.$on('set-modal-container', (container) => {
+    context.root.__modalContainer = container
+  })
 
   const showStaticModal = (name, params) => {
     subscription.$emit('toggle', name, true, params)
@@ -18,13 +28,19 @@ const PluginCore = (Vue, options = {}) => {
     component,
     componentProps,
     componentSlots,
-    modalProps = {},
+    modalProps = componentSlots || {},
     modalEvents
   ) => {
     const container = context.root?.__modalContainer
     const defaults = options.dynamicDefaults || {}
 
-    container?.add(
+    if (!container) {
+      console.warn(
+        'Modal container not found. Make sure the dynamic modal container is set.'
+      )
+      return
+    }
+    container.add(
       component,
       componentProps,
       componentSlots,
@@ -37,16 +53,28 @@ const PluginCore = (Vue, options = {}) => {
    * Creates a container for modals in the root Vue component.
    *
    * @param {Vue} parent
+   * @param {Vue} app
    */
-  const setDynamicModalContainer = parent => {
-    context.root = parent
+  const setDynamicModalContainer = (root) => {
+    context.root = root
+
+    if (!root) {
+      console.warn(
+        'Root component is undefined. Make sure the root instance is passed correctly.'
+      )
+      return
+    }
 
     const element = createDivInBody()
 
-    new Vue({
-      parent,
-      render: h => h(ModalsContainer)
-    }).$mount(element)
+    const vnode = createVNode(ModalsContainer)
+    vnode.appContext = root.$.appContext
+
+    try {
+      return render(vnode, element)
+    } catch (error) {
+      console.error('Error rendering vnode:', error)
+    }
   }
 
   const show = (...args) => {

src/components/Dialog.vue

@@ -31,7 +31,7 @@
         :key="index"
         v-html="button.title"
         @click.stop="click(index, $event)"
-      >{{ button.title }}</button>
+      />
     </div>
     <div v-else class="vue-dialog-buttons-none" />
   </component>
@@ -52,6 +52,7 @@ export default {
       type: String
     }
   },
+  inject: ['$modal'],
   data() {
     return {
       params: {}

src/components/Modal.vue

@@ -77,6 +77,7 @@ const TransitionState = {
 
 export default {
   name: 'VueJsModal',
+  inject: ['$modal'],
   props: {
     name: {
       required: true,
@@ -263,7 +264,7 @@ export default {
   /**
    * Removes global listeners
    */
-  beforeDestroy() {
+  beforeUnmount() {
     this.$modal.subscription.$off('toggle', this.onToggle)
 
     window.removeEventListener('resize', this.onWindowResize)
@@ -498,7 +499,9 @@ export default {
 
     beforeModalTransitionLeave() {
       this.modalTransitionState = TransitionState.Leaving
-      this.resizeObserver.unobserve(this.$refs.modal)
+      if (this.$refs.modal) {
+        this.resizeObserver.unobserve(this.$refs.modal)
+      }
 
       if (this.$focusTrap.enabled()) {
         this.$focusTrap.disable()

src/components/ModalsContainer.vue

@@ -10,7 +10,7 @@
       <component
         :is="modal.component"
         v-bind="modal.componentAttrs"
-        v-on="$listeners"
+        v-on="modal.componentListeners"
         @close="$modal.hide(modal.modalAttrs.name, $event)"
       >
         <template v-for="(slot, key) in modal.componentSlots" #[key]="scope">
@@ -40,6 +40,7 @@ export default {
      * Register ModalContainer so that it was availiable inside the plugin
      */
     this.$root.__modalContainer = this
+    this.$modal.subscription.$emit('set-modal-container', this)
   },
   mounted() {
     this.$modal.subscription.$on('hide-all', () => {