From f7bd2137ecbb81f3ed50ae9ccaaee27ae855c11a Mon Sep 17 00:00:00 2001
From: Sean Missingham <smissingham@users.noreply.github.com>
Date: Mon, 01 Jul 2024 03:58:34 +0000
Subject: [PATCH] Permit Manual (and Scripted) Trigger of CI Job (#1251)

---
 quartz/plugins/emitters/contentPage.tsx |   50 +++++++++++++++++++++++++++++++++++++++++++++++---
 1 files changed, 47 insertions(+), 3 deletions(-)

diff --git a/quartz/plugins/emitters/contentPage.tsx b/quartz/plugins/emitters/contentPage.tsx
index e531b36..f493802 100644
--- a/quartz/plugins/emitters/contentPage.tsx
+++ b/quartz/plugins/emitters/contentPage.tsx
@@ -1,16 +1,56 @@
+import path from "path"
+import { visit } from "unist-util-visit"
+import { Root } from "hast"
+import { VFile } from "vfile"
 import { QuartzEmitterPlugin } from "../types"
 import { QuartzComponentProps } from "../../components/types"
 import HeaderConstructor from "../../components/Header"
 import BodyConstructor from "../../components/Body"
 import { pageResources, renderPage } from "../../components/renderPage"
 import { FullPageLayout } from "../../cfg"
-import { FilePath, joinSegments, pathToRoot } from "../../util/path"
+import { Argv } from "../../util/ctx"
+import { FilePath, isRelativeURL, joinSegments, pathToRoot } from "../../util/path"
 import { defaultContentPageLayout, sharedPageComponents } from "../../../quartz.layout"
 import { Content } from "../../components"
 import chalk from "chalk"
 import { write } from "./helpers"
 import DepGraph from "../../depgraph"
 
+// get all the dependencies for the markdown file
+// eg. images, scripts, stylesheets, transclusions
+const parseDependencies = (argv: Argv, hast: Root, file: VFile): string[] => {
+  const dependencies: string[] = []
+
+  visit(hast, "element", (elem): void => {
+    let ref: string | null = null
+
+    if (
+      ["script", "img", "audio", "video", "source", "iframe"].includes(elem.tagName) &&
+      elem?.properties?.src
+    ) {
+      ref = elem.properties.src.toString()
+    } else if (["a", "link"].includes(elem.tagName) && elem?.properties?.href) {
+      // transclusions will create a tags with relative hrefs
+      ref = elem.properties.href.toString()
+    }
+
+    // if it is a relative url, its a local file and we need to add
+    // it to the dependency graph. otherwise, ignore
+    if (ref === null || !isRelativeURL(ref)) {
+      return
+    }
+
+    let fp = path.join(file.data.filePath!, path.relative(argv.directory, ref)).replace(/\\/g, "/")
+    // markdown files have the .md extension stripped in hrefs, add it back here
+    if (!fp.split("/").pop()?.includes(".")) {
+      fp += ".md"
+    }
+    dependencies.push(fp)
+  })
+
+  return dependencies
+}
+
 export const ContentPage: QuartzEmitterPlugin<Partial<FullPageLayout>> = (userOpts) => {
   const opts: FullPageLayout = {
     ...sharedPageComponents,
@@ -29,13 +69,16 @@
       return [Head, Header, Body, ...header, ...beforeBody, pageBody, ...left, ...right, Footer]
     },
     async getDependencyGraph(ctx, content, _resources) {
-      // TODO handle transclusions
       const graph = new DepGraph<FilePath>()
 
-      for (const [_tree, file] of content) {
+      for (const [tree, file] of content) {
         const sourcePath = file.data.filePath!
         const slug = file.data.slug!
         graph.addEdge(sourcePath, joinSegments(ctx.argv.output, slug + ".html") as FilePath)
+
+        parseDependencies(ctx.argv, tree as Root, file).forEach((dep) => {
+          graph.addEdge(dep as FilePath, sourcePath)
+        })
       }
 
       return graph
@@ -54,6 +97,7 @@
 
         const externalResources = pageResources(pathToRoot(slug), resources)
         const componentData: QuartzComponentProps = {
+          ctx,
           fileData: file.data,
           externalResources,
           cfg,

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