dependabot[bot]
2025-03-06 a3b62013650f09afd11c4e58675f495bbc085569
quartz/plugins/transformers/ofm.ts
@@ -1,12 +1,20 @@
import { QuartzTransformerPlugin } from "../types"
import { Root, Html, BlockContent, DefinitionContent, Paragraph, Code } from "mdast"
import {
  Root,
  Html,
  BlockContent,
  PhrasingContent,
  DefinitionContent,
  Paragraph,
  Code,
} from "mdast"
import { Element, Literal, Root as HtmlRoot } from "hast"
import { ReplaceFunction, findAndReplace as mdastFindReplace } from "mdast-util-find-and-replace"
import { slug as slugAnchor } from "github-slugger"
import rehypeRaw from "rehype-raw"
import { SKIP, visit } from "unist-util-visit"
import path from "path"
import { JSResource } from "../../util/resources"
import { splitAnchor } from "../../util/path"
import { JSResource, CSSResource } from "../../util/resources"
// @ts-ignore
import calloutScript from "../../components/scripts/callout.inline.ts"
// @ts-ignore
@@ -14,7 +22,6 @@
import { FilePath, pathToRoot, slugTag, slugifyFilePath } from "../../util/path"
import { toHast } from "mdast-util-to-hast"
import { toHtml } from "hast-util-to-html"
import { PhrasingContent } from "mdast-util-find-and-replace/lib"
import { capitalize } from "../../util/lang"
import { PluggableList } from "unified"
@@ -97,40 +104,46 @@
export const externalLinkRegex = /^https?:\/\//i
export const arrowRegex = new RegExp(/(-{1,2}>|={1,2}>|<-{1,2}|<={1,2})/, "g")
export const arrowRegex = new RegExp(/(-{1,2}>|={1,2}>|<-{1,2}|<={1,2})/g)
// !?                -> optional embedding
// \[\[              -> open brace
// ([^\[\]\|\#]+)    -> one or more non-special characters ([,],|, or #) (name)
// (#[^\[\]\|\#]+)?  -> # then one or more non-special characters (heading link)
// (\|[^\[\]\#]+)? -> | then one or more non-special characters (alias)
// !?                 -> optional embedding
// \[\[               -> open brace
// ([^\[\]\|\#]+)     -> one or more non-special characters ([,],|, or #) (name)
// (#[^\[\]\|\#]+)?   -> # then one or more non-special characters (heading link)
// (\\?\|[^\[\]\#]+)? -> optional escape \ then | then one or more non-special characters (alias)
export const wikilinkRegex = new RegExp(
  /!?\[\[([^\[\]\|\#]+)?(#+[^\[\]\|\#]+)?(\|[^\[\]\#]+)?\]\]/,
  "g",
  /!?\[\[([^\[\]\|\#\\]+)?(#+[^\[\]\|\#\\]+)?(\\?\|[^\[\]\#]+)?\]\]/g,
)
const highlightRegex = new RegExp(/==([^=]+)==/, "g")
const commentRegex = new RegExp(/%%[\s\S]*?%%/, "g")
// ^\|([^\n])+\|\n(\|) -> matches the header row
// ( ?:?-{3,}:? ?\|)+  -> matches the header row separator
// (\|([^\n])+\|\n)+   -> matches the body rows
export const tableRegex = new RegExp(/^\|([^\n])+\|\n(\|)( ?:?-{3,}:? ?\|)+\n(\|([^\n])+\|\n?)+/gm)
// matches any wikilink, only used for escaping wikilinks inside tables
export const tableWikilinkRegex = new RegExp(/(!?\[\[[^\]]*?\]\]|\[\^[^\]]*?\])/g)
const highlightRegex = new RegExp(/==([^=]+)==/g)
const commentRegex = new RegExp(/%%[\s\S]*?%%/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
const calloutRegex = new RegExp(/^\[\!([\w-]+)\|?(.+?)?\]([+-]?)/)
const calloutLineRegex = new RegExp(/^> *\[\!\w+\|?.*?\][+-]?.*$/gm)
// (?<=^| )             -> a lookbehind assertion, tag should start be separated by a space or be the start of the line
// #(...)               -> capturing group, tag itself must start with #
// (?:[-_\p{L}\d\p{Z}])+       -> non-capturing group, non-empty string of (Unicode-aware) alpha-numeric characters and symbols, hyphens and/or underscores
// (?:\/[-_\p{L}\d\p{Z}]+)*)   -> non-capturing group, matches an arbitrary number of tag strings separated by "/"
const tagRegex = new RegExp(
  /(?:^| )#((?:[-_\p{L}\p{Emoji}\p{M}\d])+(?:\/[-_\p{L}\p{Emoji}\p{M}\d]+)*)/,
  "gu",
  /(?<=^| )#((?:[-_\p{L}\p{Emoji}\p{M}\d])+(?:\/[-_\p{L}\p{Emoji}\p{M}\d]+)*)/gu,
)
const blockReferenceRegex = new RegExp(/\^([-_A-Za-z0-9]+)$/, "g")
const blockReferenceRegex = new RegExp(/\^([-_A-Za-z0-9]+)$/g)
const ytLinkRegex = /^.*(youtu.be\/|v\/|u\/\w\/|embed\/|watch\?v=|\&v=)([^#\&\?]*).*/
const ytPlaylistLinkRegex = /[?&]list=([^#?&]*)/
const videoExtensionRegex = new RegExp(/\.(mp4|webm|ogg|avi|mov|flv|wmv|mkv|mpg|mpeg|3gp|m4v)$/)
const wikilinkImageEmbedRegex = new RegExp(
  /^(?<alt>(?!^\d*x?\d*$).*?)?(\|?\s*?(?<width>\d+)(x(?<height>\d+))?)?$/,
)
export const ObsidianFlavoredMarkdown: QuartzTransformerPlugin<Partial<Options> | undefined> = (
  userOpts,
) => {
export const ObsidianFlavoredMarkdown: QuartzTransformerPlugin<Partial<Options>> = (userOpts) => {
  const opts = { ...defaultOptions, ...userOpts }
  const mdastToHtml = (ast: PhrasingContent | Paragraph) => {
@@ -143,19 +156,11 @@
    textTransform(_ctx, src) {
      // do comments at text level
      if (opts.comments) {
        if (src instanceof Buffer) {
          src = src.toString()
        }
        src = src.replace(commentRegex, "")
      }
      // pre-transform blockquotes
      if (opts.callouts) {
        if (src instanceof Buffer) {
          src = src.toString()
        }
        src = src.replace(calloutLineRegex, (value) => {
          // force newline after title of callout
          return value + "\n> "
@@ -164,17 +169,27 @@
      // pre-transform wikilinks (fix anchors to things that may contain illegal syntax e.g. codeblocks, latex)
      if (opts.wikilinks) {
        if (src instanceof Buffer) {
          src = src.toString()
        }
        // replace all wikilinks inside a table first
        src = src.replace(tableRegex, (value) => {
          // escape all aliases and headers in wikilinks inside a table
          return value.replace(tableWikilinkRegex, (_value, raw) => {
            // const [raw]: (string | undefined)[] = capture
            let escaped = raw ?? ""
            escaped = escaped.replace("#", "\\#")
            // escape pipe characters if they are not already escaped
            escaped = escaped.replace(/((^|[^\\])(\\\\)*)\|/g, "$1\\|")
            return escaped
          })
        })
        // replace all other wikilinks
        src = src.replace(wikilinkRegex, (value, ...capture) => {
          const [rawFp, rawHeader, rawAlias]: (string | undefined)[] = capture
          const fp = rawFp ?? ""
          const anchor = rawHeader?.trim().replace(/^#+/, "")
          const blockRef = Boolean(anchor?.startsWith("^")) ? "^" : ""
          const displayAnchor = anchor ? `#${blockRef}${slugAnchor(anchor)}` : ""
          const [fp, anchor] = splitAnchor(`${rawFp ?? ""}${rawHeader ?? ""}`)
          const blockRef = Boolean(rawHeader?.match(/^#?\^/)) ? "^" : ""
          const displayAnchor = anchor ? `#${blockRef}${anchor.trim().replace(/^#+/, "")}` : ""
          const displayAlias = rawAlias ?? rawHeader?.replace("#", "|") ?? ""
          const embedDisplay = value.startsWith("!") ? "!" : ""
@@ -188,9 +203,8 @@
      return src
    },
    markdownPlugins(ctx) {
    markdownPlugins(_ctx) {
      const plugins: PluggableList = []
      const cfg = ctx.cfg.configuration
      // regex replacements
      plugins.push(() => {
@@ -242,14 +256,14 @@
                  } else if ([".pdf"].includes(ext)) {
                    return {
                      type: "html",
                      value: `<iframe src="${url}"></iframe>`,
                      value: `<iframe src="${url}" class="pdf"></iframe>`,
                    }
                  } else {
                    const block = anchor
                    return {
                      type: "html",
                      data: { hProperties: { transclude: true } },
                      value: `<blockquote class="transclude" data-url="${url}" data-block="${block}"><a href="${
                      value: `<blockquote class="transclude" data-url="${url}" data-block="${block}" data-embed-alias="${alias}"><a href="${
                        url + anchor
                      }" class="transclude-inner">Transclude of ${url}${block}</a></blockquote>`,
                    }
@@ -260,6 +274,7 @@
                // internal link
                const url = fp + anchor
                return {
                  type: "link",
                  url,
@@ -305,8 +320,8 @@
            replacements.push([
              tagRegex,
              (_value: string, tag: string) => {
                // Check if the tag only includes numbers
                if (/^\d+$/.test(tag)) {
                // Check if the tag only includes numbers and slashes
                if (/^[\/\d]+$/.test(tag)) {
                  return false
                }
@@ -327,7 +342,7 @@
                  children: [
                    {
                      type: "text",
                      value: `#${tag}`,
                      value: tag,
                    },
                  ],
                }
@@ -387,8 +402,8 @@
                return
              }
              // find first line
              const firstChild = node.children[0]
              // find first line and callout content
              const [firstChild, ...calloutContent] = node.children
              if (firstChild.type !== "paragraph" || firstChild.children[0]?.type !== "text") {
                return
              }
@@ -400,7 +415,7 @@
              const match = firstLine.match(calloutRegex)
              if (match && match.input) {
                const [calloutDirective, typeString, collapseChar] = match
                const [calloutDirective, typeString, calloutMetaData, collapseChar] = match
                const calloutType = canonicalizeCallout(typeString.toLowerCase())
                const collapse = collapseChar === "+" || collapseChar === "-"
                const defaultState = collapseChar === "-" ? "collapsed" : "expanded"
@@ -411,7 +426,9 @@
                  children: [
                    {
                      type: "text",
                      value: useDefaultTitle ? capitalize(typeString) : titleContent + " ",
                      value: useDefaultTitle
                        ? capitalize(typeString).replace(/-/g, " ")
                        : titleContent + " ",
                    },
                    ...restOfTitle,
                  ],
@@ -462,8 +479,24 @@
                    className: classNames.join(" "),
                    "data-callout": calloutType,
                    "data-callout-fold": collapse,
                    "data-callout-metadata": calloutMetaData,
                  },
                }
                // Add callout-content class to callout body if it has one.
                if (calloutContent.length > 0) {
                  const contentData: BlockContent | DefinitionContent = {
                    data: {
                      hProperties: {
                        className: "callout-content",
                      },
                      hName: "div",
                    },
                    type: "blockquote",
                    children: [...calloutContent],
                  }
                  node.children = [node.children[0], contentData]
                }
              }
            })
          }
@@ -472,12 +505,14 @@
      if (opts.mermaid) {
        plugins.push(() => {
          return (tree: Root, _file) => {
          return (tree: Root, file) => {
            visit(tree, "code", (node: Code) => {
              if (node.lang === "mermaid") {
                file.data.hasMermaidDiagram = true
                node.data = {
                  hProperties: {
                    className: ["mermaid"],
                    "data-clipboard": JSON.stringify(node.value),
                  },
                }
              }
@@ -574,15 +609,28 @@
              if (node.tagName === "img" && typeof node.properties.src === "string") {
                const match = node.properties.src.match(ytLinkRegex)
                const videoId = match && match[2].length == 11 ? match[2] : null
                const playlistId = node.properties.src.match(ytPlaylistLinkRegex)?.[1]
                if (videoId) {
                  // YouTube video (with optional playlist)
                  node.tagName = "iframe"
                  node.properties = {
                    class: "external-embed",
                    class: "external-embed youtube",
                    allow: "fullscreen",
                    frameborder: 0,
                    width: "600px",
                    height: "350px",
                    src: `https://www.youtube.com/embed/${videoId}`,
                    src: playlistId
                      ? `https://www.youtube.com/embed/${videoId}?list=${playlistId}`
                      : `https://www.youtube.com/embed/${videoId}`,
                  }
                } else if (playlistId) {
                  // YouTube playlist only.
                  node.tagName = "iframe"
                  node.properties = {
                    class: "external-embed youtube",
                    allow: "fullscreen",
                    frameborder: 0,
                    width: "600px",
                    src: `https://www.youtube.com/embed/videoseries?list=${playlistId}`,
                  }
                }
              }
@@ -609,10 +657,138 @@
        })
      }
      if (opts.mermaid) {
        plugins.push(() => {
          return (tree: HtmlRoot, _file) => {
            visit(tree, "element", (node: Element, _idx, parent) => {
              if (
                node.tagName === "code" &&
                ((node.properties?.className ?? []) as string[])?.includes("mermaid")
              ) {
                parent!.children = [
                  {
                    type: "element",
                    tagName: "button",
                    properties: {
                      className: ["expand-button"],
                      "aria-label": "Expand mermaid diagram",
                      "aria-hidden": "true",
                      "data-view-component": true,
                    },
                    children: [
                      {
                        type: "element",
                        tagName: "svg",
                        properties: {
                          width: 16,
                          height: 16,
                          viewBox: "0 0 16 16",
                          fill: "currentColor",
                        },
                        children: [
                          {
                            type: "element",
                            tagName: "path",
                            properties: {
                              fillRule: "evenodd",
                              d: "M3.72 3.72a.75.75 0 011.06 1.06L2.56 7h10.88l-2.22-2.22a.75.75 0 011.06-1.06l3.5 3.5a.75.75 0 010 1.06l-3.5 3.5a.75.75 0 11-1.06-1.06l2.22-2.22H2.56l2.22 2.22a.75.75 0 11-1.06 1.06l-3.5-3.5a.75.75 0 010-1.06l3.5-3.5z",
                            },
                            children: [],
                          },
                        ],
                      },
                    ],
                  },
                  node,
                  {
                    type: "element",
                    tagName: "div",
                    properties: { id: "mermaid-container" },
                    children: [
                      {
                        type: "element",
                        tagName: "div",
                        properties: { id: "mermaid-space" },
                        children: [
                          {
                            type: "element",
                            tagName: "div",
                            properties: { className: ["mermaid-header"] },
                            children: [
                              {
                                type: "element",
                                tagName: "button",
                                properties: {
                                  className: ["close-button"],
                                  "aria-label": "close button",
                                },
                                children: [
                                  {
                                    type: "element",
                                    tagName: "svg",
                                    properties: {
                                      "aria-hidden": "true",
                                      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",
                                    },
                                    children: [
                                      {
                                        type: "element",
                                        tagName: "line",
                                        properties: {
                                          x1: 18,
                                          y1: 6,
                                          x2: 6,
                                          y2: 18,
                                        },
                                        children: [],
                                      },
                                      {
                                        type: "element",
                                        tagName: "line",
                                        properties: {
                                          x1: 6,
                                          y1: 6,
                                          x2: 18,
                                          y2: 18,
                                        },
                                        children: [],
                                      },
                                    ],
                                  },
                                ],
                              },
                            ],
                          },
                          {
                            type: "element",
                            tagName: "div",
                            properties: { className: ["mermaid-content"] },
                            children: [],
                          },
                        ],
                      },
                    ],
                  },
                ]
              }
            })
          }
        })
      }
      return plugins
    },
    externalResources() {
      const js: JSResource[] = []
      const css: CSSResource[] = []
      if (opts.enableCheckbox) {
        js.push({
@@ -630,34 +806,7 @@
        })
      }
      if (opts.mermaid) {
        js.push({
          script: `
          let mermaidImport = undefined
          document.addEventListener('nav', async () => {
            if (document.querySelector("code.mermaid")) {
              mermaidImport ||= await import('https://cdnjs.cloudflare.com/ajax/libs/mermaid/10.7.0/mermaid.esm.min.mjs')
              const mermaid = mermaidImport.default
              const darkMode = document.documentElement.getAttribute('saved-theme') === 'dark'
              mermaid.initialize({
                startOnLoad: false,
                securityLevel: 'loose',
                theme: darkMode ? 'dark' : 'default'
              })
              await mermaid.run({
                querySelector: '.mermaid'
              })
            }
          });
          `,
          loadTime: "afterDOMReady",
          moduleType: "module",
          contentType: "inline",
        })
      }
      return { js }
      return { js, css }
    },
  }
}
@@ -666,5 +815,6 @@
  interface DataMap {
    blocks: Record<string, Element>
    htmlAst: HtmlRoot
    hasMermaidDiagram: boolean | undefined
  }
}