From 74777118a7fd19e4a296706c2a4b5fdca546c4fa Mon Sep 17 00:00:00 2001
From: Jacky Zhao <j.zhao2k19@gmail.com>
Date: Tue, 14 Nov 2023 06:51:40 +0000
Subject: [PATCH] feat: header and full-page transcludes (closes #557)
---
quartz/components/renderPage.tsx | 81 +++++++++++++++++++++++++++++++++++-----
1 files changed, 70 insertions(+), 11 deletions(-)
diff --git a/quartz/components/renderPage.tsx b/quartz/components/renderPage.tsx
index 451813b..36b0646 100644
--- a/quartz/components/renderPage.tsx
+++ b/quartz/components/renderPage.tsx
@@ -5,7 +5,7 @@
import { JSResourceToScriptElement, StaticResources } from "../util/resources"
import { FullSlug, RelativeURL, joinSegments } from "../util/path"
import { visit } from "unist-util-visit"
-import { Root, Element } from "hast"
+import { Root, Element, ElementContent } from "hast"
interface RenderComponents {
head: QuartzComponent
@@ -61,22 +61,81 @@
const classNames = (node.properties?.className ?? []) as string[]
if (classNames.includes("transclude")) {
const inner = node.children[0] as Element
- const blockSlug = inner.properties?.["data-slug"] as FullSlug
- const blockRef = node.properties!.dataBlock as string
+ const transcludeTarget = inner.properties?.["data-slug"] as FullSlug
// TODO: avoid this expensive find operation and construct an index ahead of time
- let blockNode = componentData.allFiles.find((f) => f.slug === blockSlug)?.blocks?.[blockRef]
- if (blockNode) {
- if (blockNode.tagName === "li") {
- blockNode = {
- type: "element",
- tagName: "ul",
- children: [blockNode],
+ 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) {
+ endIdx = i
+ } else if (el.properties?.id === blockRef) {
+ startIdx = i
+ }
}
}
+ if (!startIdx) {
+ return
+ }
+
node.children = [
- blockNode,
+ ...(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",
--
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