enable rich text in callout title

Jacky Zhao

2023-08-12 c55d54f068a102d85dc16c5c0e63db413bc56145

enable rich text in callout title

 quartz/plugins/transformers/ofm.ts

@@ -1,6 +1,6 @@
import { PluggableList } from "unified"
import { QuartzTransformerPlugin } from "../types"
import { Root, HTML, BlockContent, DefinitionContent, Code } from "mdast"
import { Root, HTML, BlockContent, DefinitionContent, Code, Paragraph } from "mdast"
import { Replace, findAndReplace as mdastFindReplace } from "mdast-util-find-and-replace"
import { slug as slugAnchor } from "github-slugger"
import rehypeRaw from "rehype-raw"
@@ -113,6 +113,7 @@
const commentRegex = new RegExp(/%%(.+)%%/, "g")
// from https://github.com/escwxyz/remark-obsidian-callout/blob/main/src/index.ts
const calloutRegex = new RegExp(/^\[\!(\w+)\]([+-]?)/)
const calloutLineRegex = new RegExp(/^> *\[\!\w+\][+-]?.*$/, "gm")
// (?:^| )   -> non-capturing group, tag should start be separated by a space or be the start of the line
// #(\w+)    -> tag itself is # followed by a string of alpha-numeric characters
const tagRegex = new RegExp(/(?:^| )#([\w-_\/]+)/, "g")
@@ -122,14 +123,13 @@
) => {
  const opts = { ...defaultOptions, ...userOpts }

  const findAndReplace = opts.enableInHtmlEmbed
    ? (tree: Root, regex: RegExp, replace?: Replace | null | undefined) => {
        if (replace) {
          const mdastToHtml = (ast: PhrasingContent) => {
  const mdastToHtml = (ast: PhrasingContent | Paragraph) => {
            const hast = toHast(ast, { allowDangerousHtml: true })!
            return toHtml(hast, { allowDangerousHtml: true })
          }

  const findAndReplace = opts.enableInHtmlEmbed
    ? (tree: Root, regex: RegExp, replace?: Replace | null | undefined) => {
      if (replace) {
          visit(tree, "html", (node: HTML) => {
            if (typeof replace === "string") {
              node.value = node.value.replace(regex, replace)
@@ -157,10 +157,19 @@
  return {
    name: "ObsidianFlavoredMarkdown",
    textTransform(_ctx, src) {
      // pre-transform blockquotes
      if (opts.callouts) {
        src = src.toString()
        src = src.replaceAll(calloutLineRegex, (value) => {
          // force newline after title of callout
          return value + "\n> "
        })
      }

      // pre-transform wikilinks (fix anchors to things that may contain illegal syntax e.g. codeblocks, latex)
      if (opts.wikilinks) {
        src = src.toString()
        return src.replaceAll(wikilinkRegex, (value, ...capture) => {
        src = src.replaceAll(wikilinkRegex, (value, ...capture) => {
          const [rawFp, rawHeader, rawAlias] = capture
          const fp = rawFp ?? ""
          const anchor = rawHeader?.trim().slice(1)
@@ -170,6 +179,7 @@
          return `${embedDisplay}[[${fp}${displayAnchor}${displayAlias}]]`
        })
      }

      return src
    },
    markdownPlugins() {
@@ -296,14 +306,22 @@
                )
                const collapse = collapseChar === "+" || collapseChar === "-"
                const defaultState = collapseChar === "-" ? "collapsed" : "expanded"
                const title =
                const titleContent =
                  match.input.slice(calloutDirective.length).trim() || capitalize(calloutType)
                const titleNode: Paragraph = {
                  type: 'paragraph',
                  children: [
                    {type: 'text', value: titleContent + " "},
                    ...restChildren
                  ]
                }
                const title = mdastToHtml(titleNode)

                const toggleIcon = `<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="fold">
                  <polyline points="6 9 12 15 18 9"></polyline>
                </svg>`

                const titleNode: HTML = {
                const titleHtml: HTML = {
                  type: "html",
                  value: `<div 
                  class="callout-title"
@@ -314,7 +332,7 @@
                </div>`,
                }

                const blockquoteContent: (BlockContent | DefinitionContent)[] = [titleNode]
                const blockquoteContent: (BlockContent | DefinitionContent)[] = [titleHtml]
                if (remainingText.length > 0) {
                  blockquoteContent.push({
                    type: "paragraph",
@@ -323,7 +341,6 @@
                        type: "text",
                        value: remainingText,
                      },
                      ...restChildren,
                    ],
                  })
                }
@@ -335,8 +352,7 @@
                node.data = {
                  hProperties: {
                    ...(node.data?.hProperties ?? {}),
                    className: `callout ${collapse ? "is-collapsible" : ""} ${
                      defaultState === "collapsed" ? "is-collapsed" : ""
                    className: `callout ${collapse ? "is-collapsible" : ""} ${defaultState === "collapsed" ? "is-collapsed" : ""
                    }`,
                    "data-callout": calloutType,
                    "data-callout-fold": collapse,

 quartz/styles/callouts.scss

@@ -92,6 +92,11 @@
    opacity: 0.8;
    cursor: pointer;
  }

  & > .callout-title-inner > p {
    color: var(--color);
    margin: 0;
  }
}

.callout-icon {