From 4b2739bff0401e94a4122c2a058daa73edb10b0e Mon Sep 17 00:00:00 2001
From: pengzhanbo <volodymyr@foxmail.com>
Date: Fri, 30 Aug 2024 19:39:40 +0800
Subject: [PATCH] perf(theme): optimize auto frontmatter

---
 theme/src/node/autoFrontmatter/generator.ts |  5 +++--
 theme/src/node/theme.ts                     | 12 +++---------
 theme/src/shared/options/plugins.ts         |  6 ------
 3 files changed, 6 insertions(+), 17 deletions(-)

diff --git a/theme/src/node/autoFrontmatter/generator.ts b/theme/src/node/autoFrontmatter/generator.ts
index ef4d2bf4..b9969122 100644
--- a/theme/src/node/autoFrontmatter/generator.ts
+++ b/theme/src/node/autoFrontmatter/generator.ts
@@ -12,6 +12,7 @@ import type {
   AutoFrontmatterObject,
   PlumeThemeLocaleOptions,
 } from '../../shared/index.js'
+import { getThemeConfig } from '../loadConfig/index.js'
 import { readMarkdown, readMarkdownList } from './readFile.js'
 import { resolveOptions } from './resolveOptions.js'
 
@@ -69,7 +70,7 @@ export async function generateAutoFrontmatter(app: App) {
   )
 }
 
-export async function watchAutoFrontmatter(app: App, watchers: any[], enable?: () => boolean) {
+export async function watchAutoFrontmatter(app: App, watchers: any[]) {
   if (!generate)
     return
 
@@ -80,7 +81,7 @@ export async function watchAutoFrontmatter(app: App, watchers: any[], enable?: (
   })
 
   watcher.on('add', async (relativePath) => {
-    const enabled = enable ? enable() : true
+    const enabled = getThemeConfig().autoFrontmatter !== false
     if (!generate!.globFilter(relativePath) || !enabled)
       return
     const file = await readMarkdown(app.dir.source(), relativePath)
diff --git a/theme/src/node/theme.ts b/theme/src/node/theme.ts
index 2dba7e69..ab97fc6a 100644
--- a/theme/src/node/theme.ts
+++ b/theme/src/node/theme.ts
@@ -17,10 +17,8 @@ export function plumeTheme(options: PlumeThemeOptions = {}): Theme {
     initConfigLoader(app, localeOptions, {
       configFile,
       onChange: ({ localeOptions, autoFrontmatter }) => {
-        autoFrontmatter ??= pluginOptions.frontmatter
-        if (autoFrontmatter !== false) {
+        if (autoFrontmatter !== false)
           initAutoFrontmatter(localeOptions, autoFrontmatter)
-        }
       },
     })
 
@@ -43,7 +41,7 @@ export function plumeTheme(options: PlumeThemeOptions = {}): Theme {
 
       extendsMarkdown: async (_, app) => {
         const { autoFrontmatter } = await waitForConfigLoaded()
-        if ((autoFrontmatter ?? pluginOptions.frontmatter) !== false) {
+        if (autoFrontmatter !== false) {
           await generateAutoFrontmatter(app)
           // wait for autoFrontmatter generated
           // i/o performance
@@ -73,11 +71,7 @@ export function plumeTheme(options: PlumeThemeOptions = {}): Theme {
           await prepareThemeData(app, localeOptions)
           await prepareData(app)
         })
-        watchAutoFrontmatter(app, watchers, () => {
-          const autoFrontmatter = getThemeConfig().autoFrontmatter
-            ?? pluginOptions.frontmatter
-          return autoFrontmatter !== false
-        })
+        watchAutoFrontmatter(app, watchers)
         watchPrepare(app, watchers)
       },
     }
diff --git a/theme/src/shared/options/plugins.ts b/theme/src/shared/options/plugins.ts
index a50abc2e..639a15d4 100644
--- a/theme/src/shared/options/plugins.ts
+++ b/theme/src/shared/options/plugins.ts
@@ -6,7 +6,6 @@ import type { MarkdownEnhancePluginOptions } from 'vuepress-plugin-md-enhance'
 import type { ReadingTimePluginOptions } from '@vuepress/plugin-reading-time'
 import type { MarkdownPowerPluginOptions } from 'vuepress-plugin-md-power'
 import type { WatermarkPluginOptions } from '@vuepress/plugin-watermark'
-import type { AutoFrontmatter } from '../auto-frontmatter.js'
 
 export interface PlumeThemePluginOptions {
   /**
@@ -62,11 +61,6 @@ export interface PlumeThemePluginOptions {
    */
   baiduTongji?: false | { key: string }
 
-  /**
-   * @deprecated 使用 `autoFrontmatter` 代替
-   */
-  frontmatter?: Omit<AutoFrontmatter, 'frontmatter'>
-
   /**
    * 阅读时间、字数统计
    */