From 660aae62e09ea1f5ec957149b78bfd01a85bd79f Mon Sep 17 00:00:00 2001
From: Odaimoko <934854676@qq.com>
Date: Tue, 28 Nov 2023 07:05:18 +0000
Subject: [PATCH] docs: add Imk&Cc's homepage to showcase.md (#595)

---
 quartz/components/renderPage.tsx |  104 ++++++++++++++++++++++++++++++++++++++++++++++++++--
 1 files changed, 100 insertions(+), 4 deletions(-)

diff --git a/quartz/components/renderPage.tsx b/quartz/components/renderPage.tsx
index eb1291f..5cb39d9 100644
--- a/quartz/components/renderPage.tsx
+++ b/quartz/components/renderPage.tsx
@@ -3,7 +3,9 @@
 import HeaderConstructor from "./Header"
 import BodyConstructor from "./Body"
 import { JSResourceToScriptElement, StaticResources } from "../util/resources"
-import { FullSlug, joinSegments, pathToRoot } from "../util/path"
+import { FullSlug, RelativeURL, joinSegments } from "../util/path"
+import { visit } from "unist-util-visit"
+import { Root, Element, ElementContent } from "hast"
 
 interface RenderComponents {
   head: QuartzComponent
@@ -15,9 +17,10 @@
   footer: QuartzComponent
 }
 
-export function pageResources(slug: FullSlug, staticResources: StaticResources): StaticResources {
-  const baseDir = pathToRoot(slug)
-
+export function pageResources(
+  baseDir: FullSlug | RelativeURL,
+  staticResources: StaticResources,
+): StaticResources {
   const contentIndexPath = joinSegments(baseDir, "static/contentIndex.json")
   const contentIndexScript = `const fetchData = fetch(\`${contentIndexPath}\`).then(data => data.json())`
 
@@ -52,6 +55,99 @@
   components: RenderComponents,
   pageResources: StaticResources,
 ): string {
+  // process transcludes in componentData
+  visit(componentData.tree as Root, "element", (node, _index, _parent) => {
+    if (node.tagName === "blockquote") {
+      const classNames = (node.properties?.className ?? []) as string[]
+      if (classNames.includes("transclude")) {
+        const inner = node.children[0] as Element
+        const transcludeTarget = inner.properties?.["data-slug"] as FullSlug
+
+        // TODO: avoid this expensive find operation and construct an index ahead of time
+        const page = componentData.allFiles.find((f) => f.slug === transcludeTarget)
+        if (!page) {
+          return
+        }
+
+        let blockRef = node.properties?.dataBlock as string | undefined
+        if (blockRef?.startsWith("^")) {
+          // block transclude
+          blockRef = blockRef.slice(1)
+          let blockNode = page.blocks?.[blockRef]
+          if (blockNode) {
+            if (blockNode.tagName === "li") {
+              blockNode = {
+                type: "element",
+                tagName: "ul",
+                children: [blockNode],
+              }
+            }
+
+            node.children = [
+              blockNode,
+              {
+                type: "element",
+                tagName: "a",
+                properties: { href: inner.properties?.href, class: ["internal"] },
+                children: [{ type: "text", value: `Link to original` }],
+              },
+            ]
+          }
+        } else if (blockRef?.startsWith("#") && page.htmlAst) {
+          // header transclude
+          blockRef = blockRef.slice(1)
+          let startIdx = undefined
+          let endIdx = undefined
+          for (const [i, el] of page.htmlAst.children.entries()) {
+            if (el.type === "element" && el.tagName.match(/h[1-6]/)) {
+              if (endIdx) {
+                break
+              }
+
+              if (startIdx !== undefined) {
+                endIdx = i
+              } else if (el.properties?.id === blockRef) {
+                startIdx = i
+              }
+            }
+          }
+
+          if (startIdx === undefined) {
+            return
+          }
+
+          node.children = [
+            ...(page.htmlAst.children.slice(startIdx, endIdx) as ElementContent[]),
+            {
+              type: "element",
+              tagName: "a",
+              properties: { href: inner.properties?.href, class: ["internal"] },
+              children: [{ type: "text", value: `Link to original` }],
+            },
+          ]
+        } else if (page.htmlAst) {
+          // page transclude
+          node.children = [
+            {
+              type: "element",
+              tagName: "h1",
+              children: [
+                { type: "text", value: page.frontmatter?.title ?? `Transclude of ${page.slug}` },
+              ],
+            },
+            ...(page.htmlAst.children as ElementContent[]),
+            {
+              type: "element",
+              tagName: "a",
+              properties: { href: inner.properties?.href, class: ["internal"] },
+              children: [{ type: "text", value: `Link to original` }],
+            },
+          ]
+        }
+      }
+    }
+  })
+
   const {
     head: Head,
     header,

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