feat: header and full-page transcludes (closes #557)

This commit is contained in:
Jacky Zhao 2023-11-13 22:51:40 -08:00
parent 8223465bda
commit 74777118a7
2 changed files with 75 additions and 14 deletions

View file

@ -5,7 +5,7 @@ import BodyConstructor from "./Body"
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
@ -61,11 +61,19 @@ export function renderPage(
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]
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 = {
@ -85,6 +93,57 @@ export function renderPage(
},
]
}
} 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 = [
...(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` }],
},
]
}
}
}
})

View file

@ -1,7 +1,7 @@
import { PluggableList } from "unified"
import { QuartzTransformerPlugin } from "../types"
import { Root, HTML, BlockContent, DefinitionContent, Code, Paragraph } from "mdast"
import { Element, Literal } from "hast"
import { Element, Literal, Root as HtmlRoot } from "hast"
import { Replace, findAndReplace as mdastFindReplace } from "mdast-util-find-and-replace"
import { slug as slugAnchor } from "github-slugger"
import rehypeRaw from "rehype-raw"
@ -236,13 +236,13 @@ export const ObsidianFlavoredMarkdown: QuartzTransformerPlugin<Partial<Options>
value: `<iframe src="${url}"></iframe>`,
}
} else if (ext === "") {
const block = anchor.slice(1)
const block = anchor
return {
type: "html",
data: { hProperties: { transclude: true } },
value: `<blockquote class="transclude" data-url="${url}" data-block="${block}"><a href="${
url + anchor
}" class="transclude-inner">Transclude of block ${block}</a></blockquote>`,
}" class="transclude-inner">Transclude of ${url}${block}</a></blockquote>`,
}
}
@ -436,6 +436,7 @@ export const ObsidianFlavoredMarkdown: QuartzTransformerPlugin<Partial<Options>
const blockTagTypes = new Set(["blockquote"])
return (tree, file) => {
file.data.blocks = {}
file.data.htmlAst = tree
visit(tree, "element", (node, index, parent) => {
if (blockTagTypes.has(node.tagName)) {
@ -524,5 +525,6 @@ export const ObsidianFlavoredMarkdown: QuartzTransformerPlugin<Partial<Options>
declare module "vfile" {
interface DataMap {
blocks: Record<string, Element>
htmlAst: HtmlRoot
}
}