refactor: rename `resolvePath` to more readable one

src/client/theme-default/components/SideBar.ts

@@ -1,7 +1,7 @@
 import { useSiteData, usePageData, useRoute } from 'vitepress'
 import { computed, h, FunctionalComponent, VNode } from 'vue'
 import { Header } from '../../../../types/shared'
-import { isActive, resolvePath } from '../utils'
+import { isActive, getPathDirName } from '../utils'
 import { DefaultTheme } from '../config'
 import { useActiveSidebarLinks } from '../composables/activeSidebarLink'
 
@@ -91,6 +91,10 @@ interface ResolvedSidebarItem {
 function resolveAutoSidebar(headers: Header[], depth: number): ResolvedSidebar {
   const ret: ResolvedSidebar = []
 
+  if (headers === undefined) {
+    return []
+  }
+
   let lastH2: ResolvedSidebarItem | undefined = undefined
   headers.forEach(({ level, title, slug }) => {
     if (level - 1 > depth) {
@@ -125,7 +129,7 @@ function resolveMultiSidebar(
   headers: Header[],
   depth: number
 ): ResolvedSidebar {
-  const item = config[resolvePath(path)]
+  const item = config[getPathDirName(path)]
 
   if (Array.isArray(item)) {
     return resolveArraySidebar(item, depth)

src/client/theme-default/utils.ts

@@ -27,7 +27,7 @@ export function normalize(path: string): string {
  * path is `/guide/getting-started.html`, this method will return `/guide/`.
  * Always with a trailing slash.
  */
-export function resolvePath(path: string): string {
+export function getPathDirName(path: string): string {
   const segments = path.split('/')
 
   if (segments[segments.length - 1]) {