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@vueuse/head

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@vueuse/head

Document head manager for Vue 3. SSR ready.

0.4.0
Source
npm

Version published: 4 years ago

Weekly downloads: 118K; decreased by-4.27%

Maintainers: 3

Weekly downloads

Created: 4 years ago

Source

@vueuse/head

Document head manager for Vue 3.

@vueuse/head is a Vue composition API that helps you manage <title>, <meta> and other elements inside document head, it has no dependencies and we always try to keep it as slim as possible.

💛 Support the ongoing development of this project by becoming a GitHub Sponsor.

Installation

npm i @vueuse/head
# Or Yarn
yarn add @vueuse/head

Usage

import { createApp } from 'vue'
import { createHead } from '@vueuse/head'

const app = createApp()
const head = createHead()

app.use(head)

app.mount('#app')

Manage head with the composition API useHead in your component:

<script>
import { defineComponent, computed, reactive } from 'vue'
import { useHead } from '@vueuse/head'

export default defineComponent({
  setup() {
    const siteData = reactive({
      title: `My website`
      description: `My beautiful website`,
    })

    useHead({
      // Can be static or computed
      title: computed(() => siteData.title),
      meta: [
        {
          name: `description`,
          content: computed(() => siteData.description),
        },
      ],
    })
  },
})
</script>

Server-side rendering

import { renderToString } from '@vue/server-renderer'
import { renderHeadToString } from '@vueuse/head'

const appHTML = await renderToString(yourVueApp)

// `head` is created from `createHead()`
const { headTags, htmlAttrs, bodyAttrs } = renderHeadToString(head)

const finalHTML = `
<html${htmlAttrs}>

  <head>
    ${headTags}
  </head>

  <body${bodyAttrs}>
    <div id="app">${appHTML}</div>
  </body>

</html>
`

API

`createHead()`

Create the head manager instance.

`useHead(head: HeadObject | Ref<HeadObject>)`

interface HeadObject {
  title?: MaybeRef<string>
  meta?: MaybeRef<HeadAttrs[]>
  link?: MaybeRef<HeadAttrs[]>
  base?: MaybeRef<HeadAttrs>
  style?: MaybeRef<HeadAttrs[]>
  script?: MaybeRef<HeadAttrs[]>
  htmlAttrs?: MaybeRef<HeadAttrs>
  bodyAttrs?: MaybeRef<HeadAttrs>
}

interface HeadAttrs {
  [attrName: string]: any
}

For meta tags, we use name and property to prevent duplicated tags, you can instead use the key attribute if the same name or property is allowed:

useHead({
  meta: [
    {
      property: 'og:locale:alternate',
      content: 'zh',
      key: 'zh',
    },
    {
      property: 'og:locale:alternate',
      content: 'en',
      key: 'en',
    },
  ],
})

To set the textContent of an element, use the children attribute:

useHead({
  style: [
    {
      children: `body {color: red}`,
    },
  ],
})

useHead also takes reactive object or ref as the argument, for example:

const head = reactive({ title: 'Website Title' })
useHead(head)

const title = ref('Website Title')
useHead({ title })

`renderHeadToString(head: Head)`

Returns: HTMLResult

interface HTMLResult {
  // Tags in `<head>`
  readonly headTags: string
  // Attributes for `<html>`
  readonly htmlAttrs: string
  // Attributes for `<body>`
  readonly bodyAttrs: string
}

Render the head manager instance to HTML tags in string form.

License

MIT © EGOIST

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Package last updated on 05 Mar 2021

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