fix(core): ensure trailing slash of page path (close #114)

Author: meteorlxy

packages/@vuepress/core/__tests__/page/resolvePagePath.spec.ts

@@ -14,7 +14,31 @@ const testCases: [
         },
       },
     ],
-    '/permalink',
+    '/permalink/',
+  ],
+  [
+    [
+      {
+        permalink: '/permalink/',
+        pathInferred: '/inferred/',
+        options: {
+          path: '/options/',
+        },
+      },
+    ],
+    '/permalink/',
+  ],
+  [
+    [
+      {
+        permalink: '/permalink.html',
+        pathInferred: '/inferred.html',
+        options: {
+          path: '/options.html',
+        },
+      },
+    ],
+    '/permalink.html',
   ],
   [
     [
@@ -26,7 +50,19 @@ const testCases: [
         },
       },
     ],
-    '/inferred',
+    '/inferred/',
+  ],
+  [
+    [
+      {
+        permalink: null,
+        pathInferred: '/inferred/',
+        options: {
+          path: '/options/',
+        },
+      },
+    ],
+    '/inferred/',
   ],
   [
     [
@@ -38,7 +74,31 @@ const testCases: [
         },
       },
     ],
-    '/options',
+    '/options/',
+  ],
+  [
+    [
+      {
+        permalink: null,
+        pathInferred: null,
+        options: {
+          path: '/options/',
+        },
+      },
+    ],
+    '/options/',
+  ],
+  [
+    [
+      {
+        permalink: null,
+        pathInferred: null,
+        options: {
+          path: '/options.html',
+        },
+      },
+    ],
+    '/options.html',
   ],
 ]
 

packages/@vuepress/core/src/page/resolvePagePath.ts

@@ -1,3 +1,4 @@
+import { ensureEndingSlash } from '@vuepress/shared'
 import { logger } from '@vuepress/utils'
 import type { PageOptions } from '../types'
 
@@ -13,13 +14,17 @@ export const resolvePagePath = ({
   pathInferred: string | null
   options: PageOptions
 }): string => {
-  const pagePath = permalink || pathInferred || options.path
+  let pagePath = permalink || pathInferred || options.path
 
   if (!pagePath) {
     throw logger.createError(
       `page path is empty, page options: ${JSON.stringify(options)}`
     )
   }
 
+  if (!pagePath.endsWith('.html')) {
+    pagePath = ensureEndingSlash(pagePath)
+  }
+
   return encodeURI(pagePath)
 }