chore: deprecated @vuepress/plugin-pagination

BREAKING CHANGE: Function of this plugin has been integrated in the fresh official blog plugin:
https://github.com/ulivz/vuepress-plugin-blog

packages/@vuepress/plugin-pagination/.npmignore

-__tests__
-__mocks__
-.temp

packages/@vuepress/plugin-pagination/README.md

-# @vuepress/plugin-pagination
-
-> pagination plugin for vuepress
-
-See [documentation](https://v1.vuepress.vuejs.org/plugin/official/plugin-pagination.html).

packages/@vuepress/plugin-pagination/enhanceAppFile.js

-import paginationMeta from '@dynamic/pagination'
-
-class Pagination {
-  constructor (pagination, { pages, route }) {
-    let { postsFilter, postsSorter } = pagination
-
-    /* eslint-disable no-eval */
-    postsFilter = eval(postsFilter)
-    postsSorter = eval(postsSorter)
-
-    const { path } = route
-    const { paginationPages } = pagination
-
-    paginationPages.forEach((page, index) => {
-      if (page.path === path) {
-        this.paginationIndex = index
-      }
-    })
-
-    if (!this.paginationIndex) {
-      this.paginationIndex = 0
-    }
-
-    this._paginationPages = paginationPages
-    this._currentPage = paginationPages[this.paginationIndex]
-    this._posts = pages.filter(postsFilter).sort(postsSorter)
-  }
-
-  get length () {
-    return this._paginationPages.length
-  }
-
-  get posts () {
-    const [start, end] = this._currentPage.interval
-    return this._posts.slice(start, end + 1)
-  }
-
-  get hasPrev () {
-    return this.paginationIndex !== 0
-  }
-
-  get prevLink () {
-    if (this.hasPrev) {
-      return this._paginationPages[this.paginationIndex - 1].path
-    }
-  }
-
-  get hasNext () {
-    return this.paginationIndex !== this.length - 1
-  }
-
-  get nextLink () {
-    if (this.hasNext) {
-      return this._paginationPages[this.paginationIndex + 1].path
-    }
-  }
-}
-
-export default ({ Vue }) => {
-  Vue.mixin({
-    computed: {
-      $pagination () {
-        const { pages } = this.$site
-        const pagination = new Pagination(paginationMeta, {
-          pages, route: this.$route
-        })
-        return pagination
-      }
-    }
-  })
-}

packages/@vuepress/plugin-pagination/index.js

-const { path } = require('@vuepress/shared-utils')
-
-function getIntervallers (max, interval) {
-  const count = max % interval === 0 ? Math.floor(max / interval) : Math.floor(max / interval) + 1
-  const arr = [...Array(count)]
-  return arr.map((v, index) => {
-    const start = index * interval
-    const end = (index + 1) * interval
-    return [start, end > max ? max : end]
-  })
-}
-
-module.exports = (options, ctx) => ({
-  enhanceAppFiles: [
-    path.resolve(__dirname, 'enhanceAppFile.js')
-  ],
-
-  ready () {
-    let { postsFilter, postsSorter } = options
-    postsFilter = postsFilter || (({ type }) => type === 'post')
-    postsSorter = postsSorter || ((prev, next) => {
-      const prevTime = new Date(prev.frontmatter.date).getTime()
-      const nextTime = new Date(next.frontmatter.date).getTime()
-      return prevTime - nextTime > 0 ? -1 : 1
-    })
-
-    const { pages } = ctx
-    const posts = pages.filter(postsFilter)
-    const {
-      perPagePosts = 10,
-      paginationDir = 'page',
-      firstPagePath = '/',
-      layout = 'Layout'
-    } = options
-
-    const intervallers = getIntervallers(posts.length, perPagePosts)
-    const pagination = {
-      paginationPages: intervallers.map((interval, index) => {
-        const path = index === 0
-          ? firstPagePath
-          : `/${paginationDir}/${index + 1}/`
-        return { path, interval }
-      }),
-      postsFilter: postsFilter.toString(),
-      postsSorter: postsSorter.toString()
-    }
-
-    ctx.pagination = pagination
-    pagination.paginationPages.forEach(({ path }, index) => {
-      if (path === '/') {
-        return
-      }
-      ctx.addPage({
-        permalink: path,
-        frontmatter: {
-          layout,
-          title: `Page ${index + 1}`
-        }
-      })
-    })
-  },
-
-  async clientDynamicModules () {
-    return {
-      name: 'pagination.js',
-      content: `export default ${JSON.stringify(ctx.pagination, null, 2)}`
-    }
-  }
-})

packages/@vuepress/plugin-pagination/package.json

-{
-  "name": "@vuepress/plugin-pagination",
-  "version": "1.0.0-alpha.50",
-  "description": "pagination plugin for vuepress",
-  "main": "index.js",
-  "publishConfig": {
-    "access": "public"
-  },
-  "repository": {
-    "type": "git",
-    "url": "git+https://github.com/vuejs/vuepress.git",
-    "directory": "packages/@vuepress/plugin-pagination"
-  },
-  "keywords": [
-    "documentation",
-    "vue",
-    "vuepress",
-    "generator"
-  ],
-  "author": "ULIVZ <chl814@foxmail.com>",
-  "license": "MIT",
-  "bugs": {
-    "url": "https://github.com/vuejs/vuepress/issues"
-  },
-  "homepage": "https://github.com/vuejs/vuepress/packages/@vuepress/plugin-pagination#readme"
-}

packages/docs/docs/plugin/official/plugin-pagination.md

----
-title: pagination
-metaTitle: Pagination Plugin | VuePress
----
-
-# [@vuepress/plugin-pagination](https://github.com/vuejs/vuepress/tree/master/packages/%40vuepress/plugin-pagination)
-
-> pagination plugin
-
-## Install
-
-```bash
-yarn add -D @vuepress/plugin-pagination@next
-# OR npm install -D @vuepress/plugin-pagination@next
-```
-
-## Usage
-
-```javascript
-module.exports = {
-  plugins: ['@vuepress/pagination'] 
-}
-```
-
-## Options
-
-### postsFilter
-
-- Type: `function`
-- Default:
-
-```js
-(({ type }) => type === 'post')`
-```
-
-### postsSorter
-
-- Type: `function`
-- Default:
-
-```js
-((prev, next) => {
-  const prevTime = new Date(prev.frontmatter.date).getTime()
-  const nextTime = new Date(next.frontmatter.date).getTime()
-  return prevTime - nextTime > 0 ? -1 : 1
-})
-```

packages/docs/docs/zh/plugin/official/plugin-pagination.md

----
-title: pagination
-metaTitle: Pagination 插件 | VuePress
----
-
-# [@vuepress/plugin-pagination](https://github.com/vuejs/vuepress/tree/master/packages/@vuepress/plugin-pagination)
-
-> 分页器插件
-
-## 安装
-
-```bash
-yarn add -D @vuepress/plugin-pagination@next
-# OR npm install -D @vuepress/plugin-pagination@next
-```
-
-## 使用
-
-```javascript
-module.exports = {
-  plugins: ['@vuepress/pagination'] 
-}
-```
-
-## 选项
-
-### postsFilter
-
-- 类型: `function`
-- 默认值:
-
-```js
-(({ type }) => type === 'post')`
-```
-
-### postsSorter
-
-- 类型: `function`
-- 默认值:
-
-```js
-((prev, next) => {
-  const prevTime = new Date(prev.frontmatter.date).getTime()
-  const nextTime = new Date(next.frontmatter.date).getTime()
-  return prevTime - nextTime > 0 ? -1 : 1
-})
-```