From 352075ae81a3304a7bfa2512ef69b1cdacb26c12 Mon Sep 17 00:00:00 2001
From: Jacky Zhao <j.zhao2k19@gmail.com>
Date: Mon, 12 Jun 2023 06:26:43 +0000
Subject: [PATCH] refactor plugins to be functions instead of classes

---
 quartz/plugins/transformers/lastmod.ts |   85 +++++++++++++++++++-----------------------
 1 files changed, 38 insertions(+), 47 deletions(-)

diff --git a/quartz/plugins/transformers/lastmod.ts b/quartz/plugins/transformers/lastmod.ts
index ef33afe..b7514e4 100644
--- a/quartz/plugins/transformers/lastmod.ts
+++ b/quartz/plugins/transformers/lastmod.ts
@@ -1,4 +1,3 @@
-import { PluggableList } from "unified"
 import fs from "fs"
 import path from 'path'
 import { Repository } from "@napi-rs/simple-git"
@@ -12,59 +11,51 @@
   priority: ['frontmatter', 'git', 'filesystem']
 }
 
-export class CreatedModifiedDate extends QuartzTransformerPlugin {
-  name = "CreatedModifiedDate"
-  opts: Options
+export const CreatedModifiedDate: QuartzTransformerPlugin<Partial<Options> | undefined> = (userOpts) => {
+  const opts = { ...defaultOptions, ...userOpts }
+  return {
+    name: "CreatedModifiedDate",
+    markdownPlugins() {
+      return [
+        () => {
+          let repo: Repository | undefined = undefined
+          return async (_tree, file) => {
+            let created: undefined | Date = undefined
+            let modified: undefined | Date = undefined
+            let published: undefined | Date = undefined
 
-  constructor(opts?: Partial<Options>) {
-    super()
-    this.opts = {
-      ...defaultOptions,
-      ...opts,
-    }
-  }
+            const fp = path.join(file.cwd, file.data.filePath as string)
+            for (const source of opts.priority) {
+              if (source === "filesystem") {
+                const st = await fs.promises.stat(fp)
+                created ||= new Date(st.birthtimeMs)
+                modified ||= new Date(st.mtimeMs)
+              } else if (source === "frontmatter" && file.data.frontmatter) {
+                created ||= file.data.frontmatter.date
+                modified ||= file.data.frontmatter.lastmod
+                modified ||= file.data.frontmatter["last-modified"]
+                published ||= file.data.frontmatter.publishDate
+              } else if (source === "git") {
+                if (!repo) {
+                  repo = new Repository(file.cwd)
+                }
 
-  markdownPlugins(): PluggableList {
-    return [
-      () => {
-        let repo: Repository | undefined = undefined
-        return async (_tree, file) => {
-          let created: undefined | Date = undefined
-          let modified: undefined | Date = undefined
-          let published: undefined | Date = undefined
-
-          const fp = path.join(file.cwd, file.data.filePath as string)
-          for (const source of this.opts.priority) {
-            if (source === "filesystem") {
-              const st = await fs.promises.stat(fp)
-              created ||= new Date(st.birthtimeMs)
-              modified ||= new Date(st.mtimeMs)
-            } else if (source === "frontmatter" && file.data.frontmatter) {
-              created ||= file.data.frontmatter.date
-              modified ||= file.data.frontmatter.lastmod
-              modified ||= file.data.frontmatter["last-modified"]
-              published ||= file.data.frontmatter.publishDate
-            } else if (source === "git") {
-              if (!repo) {
-                repo = new Repository(file.cwd)
+                modified ||= new Date(await repo.getFileLatestModifiedDateAsync(file.data.filePath!))
               }
+            }
 
-              modified ||= new Date(await repo.getFileLatestModifiedDateAsync(file.data.filePath!))
+            file.data.dates = {
+              created: created ?? new Date(),
+              modified: modified ?? new Date(),
+              published: published ?? new Date()
             }
           }
-
-          file.data.dates = {
-            created: created ?? new Date(),
-            modified: modified ?? new Date(),
-            published: published ?? new Date()
-          }
         }
-      }
-    ]
-  }
-
-  htmlPlugins(): PluggableList {
-    return []
+      ]
+    },
+    htmlPlugins() {
+      return []
+    }
   }
 }
 

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