From 24348b24a94c5f9ca285642b751e6798b92eedd9 Mon Sep 17 00:00:00 2001
From: Jacky Zhao <j.zhao2k19@gmail.com>
Date: Tue, 20 Jun 2023 05:50:25 +0000
Subject: [PATCH] fix: parsing wikilinks that have codeblock anchors, scroll to anchor
---
quartz/plugins/transformers/ofm.ts | 41 ++++++++++++++++++++++++++++++-----------
1 files changed, 30 insertions(+), 11 deletions(-)
diff --git a/quartz/plugins/transformers/ofm.ts b/quartz/plugins/transformers/ofm.ts
index 3742d4b..0deec4b 100644
--- a/quartz/plugins/transformers/ofm.ts
+++ b/quartz/plugins/transformers/ofm.ts
@@ -3,6 +3,7 @@
import { Root, HTML, BlockContent, DefinitionContent, Code } from 'mdast'
import { findAndReplace } from "mdast-util-find-and-replace"
import { slugify } from "../../path"
+import { slug as slugAnchor } from 'github-slugger'
import rehypeRaw from "rehype-raw"
import { visit } from "unist-util-visit"
import path from "path"
@@ -94,21 +95,43 @@
return s.substring(0, 1).toUpperCase() + s.substring(1);
}
+// Match wikilinks
+// !? -> 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)
+const backlinkRegex = new RegExp(/!?\[\[([^\[\]\|\#]+)(#[^\[\]\|\#]+)?(\|[^\[\]\|\#]+)?\]\]/, "g")
+
+// Match highlights
+const highlightRegex = new RegExp(/==(.+)==/, "g")
+
+// from https://github.com/escwxyz/remark-obsidian-callout/blob/main/src/index.ts
+const calloutRegex = new RegExp(/^\[\!(\w+)\]([+-]?)/)
+
export const ObsidianFlavoredMarkdown: QuartzTransformerPlugin<Partial<Options> | undefined> = (userOpts) => {
const opts = { ...defaultOptions, ...userOpts }
return {
name: "ObsidianFlavoredMarkdown",
+ textTransform(src) {
+ // 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(backlinkRegex, (value, ...capture) => {
+ const [fp, rawHeader, rawAlias] = capture
+ const anchor = rawHeader?.trim().slice(1)
+ const displayAnchor = anchor ? `#${slugAnchor(anchor)}` : ""
+ const displayAlias = rawAlias ?? ""
+ const embedDisplay = value.startsWith("!") ? "!" : ""
+ return `${embedDisplay}[[${fp}${displayAnchor}${displayAlias}]]`
+ })
+ }
+ return src
+ },
markdownPlugins() {
const plugins: PluggableList = []
if (opts.wikilinks) {
plugins.push(() => {
- // Match wikilinks
- // !? -> 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)
- const backlinkRegex = new RegExp(/!?\[\[([^\[\]\|\#]+)(#[^\[\]\|\#]+)?(\|[^\[\]\|\#]+)?\]\]/, "g")
return (tree: Root, _file) => {
findAndReplace(tree, backlinkRegex, (value: string, ...capture: string[]) => {
const [fp, rawHeader, rawAlias] = capture
@@ -170,8 +193,6 @@
if (opts.highlight) {
plugins.push(() => {
- // Match highlights
- const highlightRegex = new RegExp(/==(.+)==/, "g")
return (tree: Root, _file) => {
findAndReplace(tree, highlightRegex, (_value: string, ...capture: string[]) => {
const [inner] = capture
@@ -186,8 +207,6 @@
if (opts.callouts) {
plugins.push(() => {
- // from https://github.com/escwxyz/remark-obsidian-callout/blob/main/src/index.ts
- const calloutRegex = new RegExp(/^\[\!(\w+)\]([+-]?)/)
return (tree: Root, _file) => {
visit(tree, "blockquote", (node) => {
if (node.children.length === 0) {
--
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