create vue 3 plugin in typescript

Creating a Vue 3 plugin in TypeScript can be done using the Vue 3 composition API. Here are the steps to create a Vue 3 plugin in TypeScript:

Create a new Vue 3 project using the Vue CLI (if you haven't already):


index.ts
vue create my-plugin
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Install the necessary dependencies:


index.ts
npm install vue@next vue-router@4.0.0
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Create a new directory called src/plugins and create a new file called MyPlugin.ts inside it:


index.ts
import { Plugin } from 'vue'
import { Router } from 'vue-router'

export const MyPlugin = {
  install: (app: any, router: Router) => {
    // Your plugin code here
  }
} as Plugin
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In your main.ts file, import the MyPlugin plugin and use the use method to install it:


index.ts
import { createApp } from 'vue'
import { router } from './router'
import { MyPlugin } from './plugins/MyPlugin'

const app = createApp(App)
app.use(router) // If you're using Vue Router
app.use(MyPlugin)
app.mount('#app')
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Use your plugin in your Vue components:


<template>
  <div>
    {{ myPluginData }}
  </div>
</template>

<script lang="ts">
import { defineComponent } from 'vue'
import { useMyPlugin } from '@/plugins/MyPlugin'

export default defineComponent({
  setup() {
    const { myPluginData } = useMyPlugin()

    return { myPluginData }
  }
})
</script>
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This is just a basic example to get you started, but you can add any functionality you need to your plugin in src/plugins/MyPlugin.ts.

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