feat(plugin-shiki): add langAlias option

docs/plugins/markdown/shiki.md

@@ -46,6 +46,15 @@ export default {
 - Also see:
   - [Shiki > Languages](https://shiki.style/languages)
 
+### langAlias
+
+- Type: `{ [lang: string]: string }`
+
+- Details: Customize language aliases for Shiki.
+
+- Also see:
+  - [Shiki > Custom Language Aliases](https://shiki.style/guide/load-lang#custom-language-aliases)
+
 ### defaultLang
 
 - Type: `string`

docs/zh/plugins/markdown/shiki.md

@@ -46,6 +46,15 @@ export default {
 - 参考：
   - [shiki > Languages](https://shiki.style/languages)
 
+### langAlias
+
+- 类型：`{ [lang: string]: string }`
+
+- 详情：自定义 Shiki 语言别名。
+
+- 参考：
+  - [Shiki > 自定义语言别名](https://shiki.tmrs.site/guide/load-lang#custom-language-aliases)
+
 ### defaultLang
 
 - 类型：`string`

plugins/markdown/plugin-shiki/src/node/resolveHighlight.ts

@@ -12,6 +12,7 @@ const MUSTACHE_REG = /\{\{[^]*?\}\}/g
 
 export const resolveHighlight = async ({
   langs = bundledLanguageNames,
+  langAlias = {},
   theme = 'nord',
   themes,
   defaultLang = '',
@@ -22,6 +23,7 @@ export const resolveHighlight = async ({
 > => {
   const highlighter = await getHighlighter({
     langs,
+    langAlias,
     themes: themes ? [themes.dark, themes.light] : [theme],
   })
 

plugins/markdown/plugin-shiki/src/node/types.ts

@@ -31,6 +31,13 @@ export interface ShikiHighlightOptions {
    */
   langs?: ShikiLang[]
 
+  /**
+   * Language alias
+   *
+   * @see https://shiki.style/guide/load-lang#custom-language-aliases
+   */
+  langAlias?: Record<string, StringLiteralUnion<BundledLanguage>>
+
   /**
    * Fallback language when the specified language is not available.
    */