From b33f13ccaf4ec14a94ee0ee467dda04cf4981d00 Mon Sep 17 00:00:00 2001
From: Jacky Zhao <j.zhao2k19@gmail.com>
Date: Mon, 01 Jan 2024 22:20:34 +0000
Subject: [PATCH] fix: dont show last page if folder

---
 quartz/plugins/transformers/ofm.ts |   43 +++++++++++++++++++++++--------------------
 1 files changed, 23 insertions(+), 20 deletions(-)

diff --git a/quartz/plugins/transformers/ofm.ts b/quartz/plugins/transformers/ofm.ts
index 9adeff4..5aa09c5 100644
--- a/quartz/plugins/transformers/ofm.ts
+++ b/quartz/plugins/transformers/ofm.ts
@@ -1,5 +1,5 @@
 import { QuartzTransformerPlugin } from "../types"
-import { Root, Html, BlockContent, DefinitionContent, Paragraph } from "mdast"
+import { Root, Html, BlockContent, 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"
@@ -105,6 +105,8 @@
   return calloutMapping[callout] ?? "note"
 }
 
+export const externalLinkRegex = /^https?:\/\//i
+
 // !?               -> optional embedding
 // \[\[             -> open brace
 // ([^\[\]\|\#]+)   -> one or more non-special characters ([,],|, or #) (name)
@@ -123,7 +125,7 @@
 // #(...)               -> 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}\d])+(?:\/[-_\p{L}\d]+)*)/, "gu")
+const tagRegex = new RegExp(/(?:^| )#((?:[-_\p{L}\p{Emoji}\d])+(?:\/[-_\p{L}\p{Emoji}\d]+)*)/, "gu")
 const blockReferenceRegex = new RegExp(/\^([A-Za-z0-9]+)$/, "g")
 
 export const ObsidianFlavoredMarkdown: QuartzTransformerPlugin<Partial<Options> | undefined> = (
@@ -158,13 +160,19 @@
         }
 
         src = src.replaceAll(wikilinkRegex, (value, ...capture) => {
-          const [rawFp, rawHeader, rawAlias] = 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 displayAlias = rawAlias ?? rawHeader?.replace("#", "|") ?? ""
           const embedDisplay = value.startsWith("!") ? "!" : ""
+
+          if (rawFp?.match(externalLinkRegex)) {
+            return `${embedDisplay}[${displayAlias.replace(/^\|/, "")}](${rawFp})`
+          }
+
           return `${embedDisplay}[[${fp}${displayAnchor}${displayAlias}]]`
         })
       }
@@ -423,25 +431,15 @@
         })
       }
 
-      return plugins
-    },
-    htmlPlugins() {
-      const plugins: PluggableList = [rehypeRaw]
-
       if (opts.mermaid) {
         plugins.push(() => {
-          return (tree: HtmlRoot, _file) => {
-            visit(tree, "element", (node) => {
-              if (node.tagName === "pre") {
-                const firstChild = node.children[0]
-                if (firstChild && firstChild.type === "element" && firstChild.tagName === "code") {
-                  const code = firstChild
-                  const isMermaidBlock =
-                    (code.properties["className"] as Array<string>)?.[0] === "language-mermaid"
-                  if (isMermaidBlock) {
-                    node.children = code.children
-                    node.properties.className = ["mermaid"]
-                  }
+          return (tree: Root, _file) => {
+            visit(tree, "code", (node: Code) => {
+              if (node.lang === "mermaid") {
+                node.data = {
+                  hProperties: {
+                    className: ["mermaid"],
+                  },
                 }
               }
             })
@@ -449,6 +447,11 @@
         })
       }
 
+      return plugins
+    },
+    htmlPlugins() {
+      const plugins: PluggableList = [rehypeRaw]
+
       if (opts.parseBlockReferences) {
         plugins.push(() => {
           const inlineTagTypes = new Set(["p", "li"])

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