fix(router): file ext

packages/docsify-server-renderer/index.js

@@ -87,10 +87,13 @@ export default class Renderer {
       this._renderHtml('navbar', await this._render(navbarFile, 'navbar'))
     }
 
+    if (coverpage === true) {
+      coverpage = '_coverpage.md'
+    }
     if (coverpage) {
       let path = null
       if (typeof coverpage === 'string') {
-        if (url === '/') {
+        if (url === 'README.md') {
           path = coverpage
         }
       } else if (Array.isArray(coverpage)) {
@@ -100,9 +103,11 @@ export default class Renderer {
         path = cover === true ? '_coverpage.md' : cover
       }
 
-      const coverFile = this._getPath(resolve(url, `./${path}`))
+      if (path) {
+        const coverFile = this._getPath(resolve(url, `./${path}`))
 
-      this._renderHtml('cover', await this._render(coverFile), 'cover')
+        this._renderHtml('cover', await this._render(coverFile), 'cover')
+      }
     }
 
     const html = this.html
@@ -174,7 +179,7 @@ export default class Renderer {
       return content
     } catch (e) {
       this.lock = this.lock || 0
-      if (++this.lock > 10) {
+      if (++this.lock > 4) {
         this.lock = 0
         return
       }

src/core/render/embed.js

@@ -22,8 +22,10 @@ function walkFetchEmbed({embedTokens, compile, fetch}, cb) {
           } else if (token.embed.type === 'code') {
             if (token.embed.fragment) {
               const fragment = token.embed.fragment
-              const pattern = new RegExp(`(?:###|\\/\\/\\/)\\s*\\[${fragment}\\]([\\s\\S]*)(?:###|\\/\\/\\/)\\s*\\[${fragment}\\]`)
-              text = ((text.match(pattern) || [])[1] || '').trim()
+              const pattern = new RegExp(
+                `(?:###|\\/\\/\\/)\\s*\\[${fragment}\\]([\\s\\S]*)(?:###|\\/\\/\\/)\\s*\\[${fragment}\\]`
+              )
+              text = ((text.match(pattern) || [])[1] || '').trim()
             }
             embedToken = compile.lexer(
               '```' +

src/core/router/history/base.js

@@ -21,9 +21,11 @@ function getAlias(path, alias, last) {
 }
 
 function getFileName(path, ext) {
-  return new RegExp(`\\.(${ext.replace(/^\./, '')}|html)$`, 'g').test(path) ?
+  return /\.\w+$/.test(path) ?
     path :
-    /\/$/g.test(path) ? `${path}README${ext}` : `${path}${ext}`
+    /\/$/g.test(path) ?
+      `${path}README${ext}` :
+      `${path}${ext}`
 }
 
 export class History {