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pimlie
178 lines
4.6 KiB
Markdown
178 lines
4.6 KiB
Markdown
> :warning: This is the readme for the next branch of vue-meta with Vue3 support
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> :information_source: Vue3 support for vue-meta is considered in mostly-stable-alpha stage
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<p align="center">
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<img src="./docs/.vuepress/public/vue-meta.png" alt="vue-meta" />
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</p>
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<h5 align="center">
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Manage HTML metadata in Vue.js components with SSR support
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</h5>
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<p align="center">
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<a href="http://npm-stat.com/charts.html?package=vue-meta"><img src="https://img.shields.io/npm/dm/vue-meta.svg" alt="npm downloads"></a>
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<a href="http://npmjs.org/package/vue-meta"><img src="https://img.shields.io/npm/v/vue-meta/next.svg" alt="npm version"></a>
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<a href="https://codecov.io/gh/nuxt/vue-meta"><img src="https://badgen.net/codecov/c/github/nuxt/vue-meta/next" alt="Coverage Status"></a>
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<a href="https://circleci.com/gh/nuxt/vue-meta/"><img src="https://badgen.net/circleci/github/nuxt/vue-meta/next" alt="Build Status"></a>
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<a href="https://david-dm.org/nuxt/vue-meta"><img src="https://david-dm.org/nuxt/vue-meta/next/status.svg" alt="dependencies Status"></a>
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<a href="https://discord.nuxtjs.org/"><img src="https://badgen.net/badge/Discord/join-us/7289DA" alt="Discord"></a>
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</p>
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```html
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<template>
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<div class="layout"
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...
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<metainfo>
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<template v-slot:title="{ content }">{{ content }} - Yay!</template>
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</metainfo>
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</div>
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</template>
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<script>
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import { useMeta } from 'vue-meta'
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export default {
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setup () {
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useMeta({
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title: 'My Example App',
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htmlAttrs: {
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lang: 'en',
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amp: true
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}
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})
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}
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}
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</script>
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```
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```html
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<html lang="en" amp>
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<head>
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<title>My Example App - Yay!</title>
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...
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</head>
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```
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# Introduction
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Vue Meta is a [Vue.js](https://vuejs.org) plugin that allows you to manage your app's metadata. It is inspired by and works similar as [`react-helmet`](https://github.com/nfl/react-helmet) for react. However, instead of setting your data as props passed to a proprietary component, you simply export it as part of your component's data using the `metaInfo` property.
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These properties, when set on a deeply nested component, will cleverly overwrite their parent components' `metaInfo`, thereby enabling custom info for each top-level view as well as coupling metadata directly to deeply nested subcomponents for more maintainable code.
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## Documentation
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Please find the documention on https://vue-meta.nuxtjs.org
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## Examples
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Looking for more examples what vue-meta can do for you? Have a look at the [examples](https://github.com/nuxt/vue-meta/tree/next/examples)
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## Installation
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##### Yarn
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```sh
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$ yarn add vue-meta@next
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```
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##### npm
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```sh
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$ npm install vue-meta@next --save
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```
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## Quick Usage
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### useApi
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```js
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import { watch } from 'vue'
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import { useMeta, useActiveMeta } from 'vue-meta'
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export default {
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setup () {
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const counter = ref(0)
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// Add meta info
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// The object passed into useMeta is user configurable
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const { meta } = useMeta({
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title: 'My Title',
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})
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watchEffect(() => {
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const counterValue = counter.value
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meta.description = `Counted ${counterValue} times`
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})
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// Or use a computed prop
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const computedMeta = computed(() => ({
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title: 'My Title',
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description : `Counted ${counter.value} times`
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}))
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const { meta, onRemoved } = useMeta(computedMeta)
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onRemoved(() => {
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// Do something as soon as this metadata is removed,
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// eg because the component instance was destroyed
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})
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// Get the currently used metainfo
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const metadata = useActiveMeta()
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watch(metadata, (newValue) => {
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// metadata was updated, do something
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})
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}
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}
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```
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The useApi can also be used outside of a setup function, but then
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you need to get a reference to the metaManager somehow
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```js
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const { unmount } = useMeta(
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{
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og: {
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something: 'test'
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}
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},
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metaManager
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)
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unmount() // Remove metadata when needed
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```
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### SSR
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```js
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import { createSSRApp } from 'vue'
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import { renderToStringWithMeta } from 'vue-meta'
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import { App, metaManager } from './App'
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export function renderPage() {
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const app = createSSRApp(App)
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app.use(metaManager)
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const [appHtml, ctx] = await renderToStringWithMeta(app)
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return `
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<html ${ctx.teleports.htmlAttrs || ''}>
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<head ${ctx.teleports.headAttrs || ''}>
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${ctx.teleports.head || ''}
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</head>
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<body ${ctx.teleports.bodyAttrs || ''}>
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<div id="app">${appHtml}</div>
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${ctx.teleports.body || ''}
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</body>
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</html>`
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}
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```
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## Old versions
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Click [here](https://github.com/nuxt/vue-meta/tree/master) if you are looking for the old v2 readme
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Click [here](https://github.com/nuxt/vue-meta/tree/1.x) if you are looking for the old v1 readme
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## License
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[MIT](./LICENSE.md)
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