feat($markdown): make page suffix configurable (close #2452) (#2674)

Author: dennisreimann

Diff for: packages/@vuepress/markdown/__tests__/link.spec.js

@@ -2,12 +2,19 @@ import { Md } from './util'
 import link from '../lib/link.js'
 import { dataReturnable } from '../index.js'
 
-const mdL = Md().use(link, {
+const EXTERNAL_ATTRS = {
   target: '_blank',
   rel: 'noopener noreferrer'
-})
+}
+
+const setup = ({ externalAttrs = EXTERNAL_ATTRS, suffix } = {}) => {
+  const mdL = Md().use(link, EXTERNAL_ATTRS, suffix)
+  dataReturnable(mdL)
 
-dataReturnable(mdL)
+  return mdL
+}
+
+const mdL = setup()
 
 const internalLinkAsserts = {
   // START absolute path usage
@@ -69,6 +76,21 @@ describe('link', () => {
       expect(html).toMatchSnapshot()
     }
   })
+
+  test('with custom page suffix should render links correctly', () => {
+    const suffix = '/'
+    const mdLSuffix = setup({ suffix })
+
+    for (const before in internalLinkAsserts) {
+      const input = `[${before}](${before})`
+      const output = mdLSuffix.render(input)
+      const after = getCompiledLink(output)
+      const value = internalLinkAsserts[before]
+      const isHtmlLink = value === before
+      const expected = isHtmlLink ? value : value.replace('.html', suffix)
+      expect(after).toBe(expected)
+    }
+  })
 })
 
 function getCompiledLink (output) {

Diff for: packages/@vuepress/markdown/index.js

@@ -31,6 +31,7 @@ const {
 module.exports = (markdown = {}) => {
   const {
     externalLinks,
+    pageSuffix,
     anchor,
     toc,
     plugins,
@@ -73,7 +74,7 @@ module.exports = (markdown = {}) => {
       .use(convertRouterLinkPlugin, [Object.assign({
         target: '_blank',
         rel: 'noopener noreferrer'
-      }, externalLinks)])
+      }, externalLinks), pageSuffix])
       .end()
 
     .plugin(PLUGINS.HOIST_SCRIPT_STYLE)

Diff for: packages/@vuepress/markdown/lib/link.js

@@ -6,7 +6,7 @@ const url = require('url')
 
 const indexRE = /(^|.*\/)(index|readme).md(#?.*)$/i
 
-module.exports = (md, externalAttrs) => {
+module.exports = (md, externalAttrs, pageSuffix = '.html') => {
   let hasOpenRouterLink = false
   let hasOpenExternalLink = false
 
@@ -28,13 +28,13 @@ module.exports = (md, externalAttrs) => {
         }
       } else if (isSourceLink) {
         hasOpenRouterLink = true
-        tokens[idx] = toRouterLink(token, link, relativePath)
+        tokens[idx] = toRouterLink(token, link, relativePath, pageSuffix)
       }
     }
     return self.renderToken(tokens, idx, options)
   }
 
-  function toRouterLink (token, link, relativePath) {
+  function toRouterLink (token, link, relativePath, suffix) {
     link[0] = 'to'
     let to = link[1]
 
@@ -55,8 +55,8 @@ module.exports = (md, externalAttrs) => {
       to = path + hash
     } else {
       to = to
-        .replace(/\.md$/, '.html')
-        .replace(/\.md(#.*)$/, '.html$1')
+        .replace(/\.md$/, suffix)
+        .replace(/\.md(#.*)$/, `${suffix}$1`)
     }
 
     // markdown-it encodes the uri

Diff for: packages/docs/docs/config/README.md

@@ -277,6 +277,13 @@ Function for transforming [header](../miscellaneous/glossary.md#headers) texts i
 
 Options for [markdown-it-anchor](https://github.com/valeriangalliat/markdown-it-anchor). (Note: prefer `markdown.slugify` to customize header ids.)
 
+### markdown.pageSuffix
+
+- Type: `string`
+- Default: `.html`
+
+Option to customize internal links to be compatible when using the [vuepress-plugin-clean-urls](https://vuepress.github.io/en/plugins/clean-urls/).
+
 ### markdown.externalLinks
 
 - Type: `Object`

Diff for: packages/docs/docs/guide/markdown.md

@@ -43,6 +43,12 @@ VuePress supports redirecting to clean links. If a link `/foo` is not found, Vue
 Regardless of whether the permalink and clean-urls plugins are used, your relative path should be defined by the current file structure. In the above example, even though you set the path of `/foo/one.md` to `/foo/one/`, you should still access `/foo/two.md` via `./two.md`.
 :::
 
+### Page Suffix
+
+Pages and internal links get generated with the `.html` suffix by default.
+
+You can customize this by setting [config.markdown.pageSuffix](../config/README.md#markdown-pagesuffix).
+
 ### External Links
 
 Outbound links automatically get `target="_blank" rel="noopener noreferrer"`:

Diff for: packages/docs/docs/zh/config/README.md

@@ -273,6 +273,13 @@ VuePress 提供了一种添加额外样式的简便方法。你可以创建一
 
 [markdown-it-anchor](https://github.com/valeriangalliat/markdown-it-anchor) 的选项。
 
+### markdown.pageSuffix
+
+- 类型: `string`
+- 默认值: `.html`
+
+Option to customize internal links to be compatible when using the [vuepress-plugin-clean-urls](https://vuepress.github.io/en/plugins/clean-urls/).
+
 ### markdown.externalLinks
 
 - 类型: `Object`

Diff for: packages/docs/docs/zh/guide/markdown.md

@@ -43,6 +43,12 @@ VuePress 支持重定向到干净链接。如果一个链接 `/foo` 找不到，
 无论是否使用了 permalink 和 clean-urls 插件，你的相对路径都应该依赖于当前的文件结构来定义。在上面的例子中，即使你将 `/foo/one.md` 的路径设为了 `/foo/one/`，你依然应该通过 `./two.md` 来访问 `/foo/two.md`。
 :::
 
+### Page Suffix
+
+Pages and internal links get generated with the `.html` suffix by default.
+
+You can customize this by setting [config.markdown.pageSuffix](../config/README.md#markdown-pagesuffix).
+
 ### 外部链接
 
 外部的链接将会被自动地设置为  `target="_blank" rel="noopener noreferrer"`: