From d9159e0ac9bfc22e584c78bc8aa04ecd82c14eea Mon Sep 17 00:00:00 2001
From: Jacky Zhao <j.zhao2k19@gmail.com>
Date: Thu, 13 Mar 2025 17:27:46 +0000
Subject: [PATCH] feat: make og images an emitter to properly await image generation (#1826)

---
 quartz/plugins/types.ts |   36 ++++++++++++++++++++----------------
 1 files changed, 20 insertions(+), 16 deletions(-)

diff --git a/quartz/plugins/types.ts b/quartz/plugins/types.ts
index 2662aed..166ec5d 100644
--- a/quartz/plugins/types.ts
+++ b/quartz/plugins/types.ts
@@ -1,9 +1,10 @@
 import { PluggableList } from "unified"
-import { StaticResources } from "../resources"
+import { StaticResources } from "../util/resources"
 import { ProcessedContent } from "./vfile"
 import { QuartzComponent } from "../components/types"
-import { FilePath, ServerSlug } from "../path"
-import { BuildCtx } from "../ctx"
+import { FilePath } from "../util/path"
+import { BuildCtx } from "../util/ctx"
+import DepGraph from "../depgraph"
 
 export interface PluginTypes {
   transformers: QuartzTransformerPluginInstance[]
@@ -12,15 +13,16 @@
 }
 
 type OptionType = object | undefined
+type ExternalResourcesFn = (ctx: BuildCtx) => Partial<StaticResources> | undefined
 export type QuartzTransformerPlugin<Options extends OptionType = undefined> = (
   opts?: Options,
 ) => QuartzTransformerPluginInstance
 export type QuartzTransformerPluginInstance = {
   name: string
-  textTransform?: (ctx: BuildCtx, src: string | Buffer) => string | Buffer
+  textTransform?: (ctx: BuildCtx, src: string) => string
   markdownPlugins?: (ctx: BuildCtx) => PluggableList
   htmlPlugins?: (ctx: BuildCtx) => PluggableList
-  externalResources?: (ctx: BuildCtx) => Partial<StaticResources>
+  externalResources?: ExternalResourcesFn
 }
 
 export type QuartzFilterPlugin<Options extends OptionType = undefined> = (
@@ -40,15 +42,17 @@
     ctx: BuildCtx,
     content: ProcessedContent[],
     resources: StaticResources,
-    emitCallback: EmitCallback,
-  ): Promise<FilePath[]>
-  getQuartzComponents(ctx: BuildCtx): QuartzComponent[]
+  ): Promise<FilePath[]> | AsyncGenerator<FilePath>
+  /**
+   * Returns the components (if any) that are used in rendering the page.
+   * This helps Quartz optimize the page by only including necessary resources
+   * for components that are actually used.
+   */
+  getQuartzComponents?: (ctx: BuildCtx) => QuartzComponent[]
+  getDependencyGraph?(
+    ctx: BuildCtx,
+    content: ProcessedContent[],
+    resources: StaticResources,
+  ): Promise<DepGraph<FilePath>>
+  externalResources?: ExternalResourcesFn
 }
-
-export interface EmitOptions {
-  slug: ServerSlug
-  ext: `.${string}` | ""
-  content: string
-}
-
-export type EmitCallback = (data: EmitOptions) => Promise<FilePath>

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