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77 lines
2.2 KiB
Markdown
77 lines
2.2 KiB
Markdown
# Using external modules and plugins with nuxt.js
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## Configuration: `build.vendor`
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> Nuxt.js allows you to add modules inside the `vendor.bundle.js` file generated to reduce the size of the app bundle. It's really useful when using external modules (like `axios` for example)
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To add a module/file inside the vendor bundle, add the `build.vendor` key inside `nuxt.config.js`:
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```js
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const { join } = require('path')
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module.exports = {
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build: {
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vendor: [
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'axios', // node module
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join(__dirname, './js/my-library.js') // custom file
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]
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}
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}
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```
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## Configuration: `plugins`
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> Nuxt.js allows you to define js plugins to be ran before instantiating the root vue.js application
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I want to use [vue-notifications](https://github.com/se-panfilov/vue-notifications) to validate the data in my inputs, I need to setup the plugin before launching the app.
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File `plugins/vue-notifications.js`:
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```js
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import Vue from 'vue'
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import VueNotifications from 'vue-notifications'
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Vue.use(VueNotifications)
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```
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Then, I add my file inside the `plugins` key of `nuxt.config.js`:
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```js
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const { join } = require('path')
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module.exports = {
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build: {
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vendor: ['vue-notifications']
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},
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plugins: [ '~plugins/vue-notifications' ]
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}
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```
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I use `~plugins` here because nuxt.js create an alias for the `plugins/` folder, it's equivalent to: `join(__dirname, './plugins/vue-notifications.js')`
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I added `vue-notifications` in the `vendor` key to make sure that it won't be included in any other build if I call `require('vue-notifications')` in a component.
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### Only in browser build
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Some plugins might work only in the browser, for this, you can use the `process.BROWSER_BUILD` variable to check if the plugin will run from the server or from the client.
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Example:
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```js
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import Vue from 'vue'
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import VueNotifications from 'vue-notifications'
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if (process.BROWSER_BUILD) {
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Vue.use(VueNotifications)
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}
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```
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### Only in server build
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In case you need to require some libraries only for the server, you can use the `process.SERVER_BUILD` variable set to `true` when webpack is creating the `server.bundle.js` file.
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## Demo
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```bash
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npm install
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npm start
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```
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Go to [http://localhost:3000](http://localhost:3000) and navigate trough the pages.
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