From 340e3ef5116cd99c8ddfdbb3d9e0bbd914e07825 Mon Sep 17 00:00:00 2001
From: Ben Schlegel <31989404+benschlegel@users.noreply.github.com>
Date: Fri, 25 Aug 2023 16:03:49 +0000
Subject: [PATCH] feat(consistency): Add `.obsidian` to ignorePatterns (#420)

---
 quartz/plugins/transformers/ofm.ts |  137 +++++++++++++++++++++++++++------------------
 1 files changed, 81 insertions(+), 56 deletions(-)

diff --git a/quartz/plugins/transformers/ofm.ts b/quartz/plugins/transformers/ofm.ts
index 57a9b7f..bed6f62 100644
--- a/quartz/plugins/transformers/ofm.ts
+++ b/quartz/plugins/transformers/ofm.ts
@@ -1,15 +1,15 @@
 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"
 import { visit } from "unist-util-visit"
 import path from "path"
-import { JSResource } from "../../resources"
+import { JSResource } from "../../util/resources"
 // @ts-ignore
 import calloutScript from "../../components/scripts/callout.inline.ts"
-import { FilePath, canonicalizeServer, pathToRoot, slugTag, slugifyFilePath } from "../../path"
+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"
@@ -96,10 +96,9 @@
 
 function canonicalizeCallout(calloutName: string): keyof typeof callouts {
   let callout = calloutName.toLowerCase() as keyof typeof calloutMapping
-  return calloutMapping[callout]
+  return calloutMapping[callout] ?? calloutName
 }
 
-
 const capitalize = (s: string): string => {
   return s.substring(0, 1).toUpperCase() + s.substring(1)
 }
@@ -109,67 +108,78 @@
 // ([^\[\]\|\#]+)   -> 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)
-const wikilinkRegex = new RegExp(/!?\[\[([^\[\]\|\#]+)(#[^\[\]\|\#]+)?(\|[^\[\]\|\#]+)?\]\]/, "g")
+const wikilinkRegex = new RegExp(/!?\[\[([^\[\]\|\#]+)?(#[^\[\]\|\#]+)?(\|[^\[\]\|\#]+)?\]\]/, "g")
 const highlightRegex = new RegExp(/==(.+)==/, "g")
 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")
+const tagRegex = new RegExp(/(?:^| )#(\p{L}+)/, "gu")
 
 export const ObsidianFlavoredMarkdown: QuartzTransformerPlugin<Partial<Options> | undefined> = (
   userOpts,
 ) => {
   const opts = { ...defaultOptions, ...userOpts }
 
+  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) {
-        const mdastToHtml = (ast: PhrasingContent) => {
-          const hast = toHast(ast, { allowDangerousHtml: true })!
-          return toHtml(hast, { allowDangerousHtml: true })
+        if (replace) {
+          visit(tree, "html", (node: HTML) => {
+            if (typeof replace === "string") {
+              node.value = node.value.replace(regex, replace)
+            } else {
+              node.value = node.value.replaceAll(regex, (substring: string, ...args) => {
+                const replaceValue = replace(substring, ...args)
+                if (typeof replaceValue === "string") {
+                  return replaceValue
+                } else if (Array.isArray(replaceValue)) {
+                  return replaceValue.map(mdastToHtml).join("")
+                } else if (typeof replaceValue === "object" && replaceValue !== null) {
+                  return mdastToHtml(replaceValue)
+                } else {
+                  return substring
+                }
+              })
+            }
+          })
         }
 
-        visit(tree, "html", (node: HTML) => {
-          if (typeof replace === "string") {
-            node.value = node.value.replace(regex, replace)
-          } else {
-            node.value = node.value.replaceAll(regex, (substring: string, ...args) => {
-              const replaceValue = replace(substring, ...args)
-              if (typeof replaceValue === "string") {
-                return replaceValue
-              } else if (Array.isArray(replaceValue)) {
-                return replaceValue.map(mdastToHtml).join("")
-              } else if (typeof replaceValue === "object" && replaceValue !== null) {
-                return mdastToHtml(replaceValue)
-              } else {
-                return substring
-              }
-            })
-          }
-        })
+        mdastFindReplace(tree, regex, replace)
       }
-
-      mdastFindReplace(tree, regex, replace)
-    }
     : mdastFindReplace
 
   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) => {
-          const [fp, rawHeader, rawAlias] = capture
+        src = src.replaceAll(wikilinkRegex, (value, ...capture) => {
+          const [rawFp, rawHeader, rawAlias] = capture
+          const fp = rawFp ?? ""
           const anchor = rawHeader?.trim().slice(1)
           const displayAnchor = anchor ? `#${slugAnchor(anchor)}` : ""
-          const displayAlias = rawAlias ?? ""
+          const displayAlias = rawAlias ?? rawHeader?.replace("#", "|") ?? ""
           const embedDisplay = value.startsWith("!") ? "!" : ""
           return `${embedDisplay}[[${fp}${displayAnchor}${displayAlias}]]`
         })
       }
+
       return src
     },
     markdownPlugins() {
@@ -178,15 +188,15 @@
         plugins.push(() => {
           return (tree: Root, _file) => {
             findAndReplace(tree, wikilinkRegex, (value: string, ...capture: string[]) => {
-              let [fp, rawHeader, rawAlias] = capture
-              fp = fp.trim()
+              let [rawFp, rawHeader, rawAlias] = capture
+              const fp = rawFp?.trim() ?? ""
               const anchor = rawHeader?.trim() ?? ""
               const alias = rawAlias?.slice(1).trim()
 
               // embed cases
               if (value.startsWith("!")) {
-                const ext: string | undefined = path.extname(fp).toLowerCase()
-                const url = slugifyFilePath(fp as FilePath) + ext
+                const ext: string = path.extname(fp).toLowerCase()
+                const url = slugifyFilePath(fp as FilePath)
                 if ([".png", ".jpg", ".jpeg", ".gif", ".bmp", ".svg"].includes(ext)) {
                   const dims = alias ?? ""
                   let [width, height] = dims.split("x", 2)
@@ -219,14 +229,13 @@
                     type: "html",
                     value: `<iframe src="${url}"></iframe>`,
                   }
-                } else {
-                  // TODO: this is the node embed case
+                } else if (ext === "") {
+                  // TODO: note embed
                 }
                 // otherwise, fall through to regular link
               }
 
               // internal link
-              // const url = transformInternalLink(fp + anchor)
               const url = fp + anchor
               return {
                 type: "link",
@@ -285,24 +294,31 @@
               }
 
               const text = firstChild.children[0].value
-              const restChildren = firstChild.children.splice(1)
+              const restChildren = firstChild.children.slice(1)
               const [firstLine, ...remainingLines] = text.split("\n")
               const remainingText = remainingLines.join("\n")
 
               const match = firstLine.match(calloutRegex)
               if (match && match.input) {
                 const [calloutDirective, typeString, collapseChar] = match
-                const calloutType = canonicalizeCallout(typeString.toLowerCase() as keyof typeof calloutMapping)
+                const calloutType = canonicalizeCallout(
+                  typeString.toLowerCase() as keyof typeof calloutMapping,
+                )
                 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"
@@ -313,7 +329,7 @@
                 </div>`,
                 }
 
-                const blockquoteContent: (BlockContent | DefinitionContent)[] = [titleNode]
+                const blockquoteContent: (BlockContent | DefinitionContent)[] = [titleHtml]
                 if (remainingText.length > 0) {
                   blockquoteContent.push({
                     type: "paragraph",
@@ -322,7 +338,6 @@
                         type: "text",
                         value: remainingText,
                       },
-                      ...restChildren,
                     ],
                   })
                 }
@@ -334,8 +349,9 @@
                 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,
                   },
@@ -365,10 +381,9 @@
       if (opts.parseTags) {
         plugins.push(() => {
           return (tree: Root, file) => {
-            const slug = canonicalizeServer(file.data.slug!)
-            const base = pathToRoot(slug)
-            findAndReplace(tree, tagRegex, (value: string, tag: string) => {
-              if (file.data.frontmatter) {
+            const base = pathToRoot(file.data.slug!)
+            findAndReplace(tree, tagRegex, (_value: string, tag: string) => {
+              if (file.data.frontmatter && !file.data.frontmatter.tags.includes(tag)) {
                 file.data.frontmatter.tags.push(tag)
               }
 
@@ -383,7 +398,7 @@
                 children: [
                   {
                     type: "text",
-                    value,
+                    value: `#${tag}`,
                   },
                 ],
               }
@@ -412,7 +427,17 @@
         js.push({
           script: `
           import mermaid from 'https://cdn.jsdelivr.net/npm/mermaid/dist/mermaid.esm.min.mjs';
-          mermaid.initialize({ startOnLoad: true });
+          const darkMode = document.documentElement.getAttribute('saved-theme') === 'dark'
+          mermaid.initialize({ 
+            startOnLoad: false,
+            securityLevel: 'loose',
+            theme: darkMode ? 'dark' : 'default'
+          });
+          document.addEventListener('nav', async () => {
+            await mermaid.run({
+              querySelector: '.mermaid'
+            })
+          });
           `,
           loadTime: "afterDOMReady",
           moduleType: "module",

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