From db2ad81a1fb1840f6ef9fa353ffefb92c6a9180a Mon Sep 17 00:00:00 2001
From: cannorin <13620400+cannorin@users.noreply.github.com>
Date: Sun, 13 Nov 2022 15:43:48 +0900
Subject: [PATCH] feat: katex persistent macro support (#5838)

Co-authored-by: cannorin <cannorin@users.noreply.github.com>
---
 client/components/editor/editor-markdown.vue        | 5 +++--
 server/modules/rendering/markdown-katex/renderer.js | 5 +++--
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/client/components/editor/editor-markdown.vue b/client/components/editor/editor-markdown.vue
index 38f0f353..6fc2e581 100644
--- a/client/components/editor/editor-markdown.vue
+++ b/client/components/editor/editor-markdown.vue
@@ -348,11 +348,12 @@ plantuml.init(md, {})
 // KATEX
 // ========================================
 
+const macros = {}
 md.inline.ruler.after('escape', 'katex_inline', katexHelper.katexInline)
 md.renderer.rules.katex_inline = (tokens, idx) => {
   try {
     return katex.renderToString(tokens[idx].content, {
-      displayMode: false
+      displayMode: false, macros
     })
   } catch (err) {
     console.warn(err)
@@ -365,7 +366,7 @@ md.block.ruler.after('blockquote', 'katex_block', katexHelper.katexBlock, {
 md.renderer.rules.katex_block = (tokens, idx) => {
   try {
     return `<p>` + katex.renderToString(tokens[idx].content, {
-      displayMode: true
+      displayMode: true, macros
     }) + `</p>`
   } catch (err) {
     console.warn(err)
diff --git a/server/modules/rendering/markdown-katex/renderer.js b/server/modules/rendering/markdown-katex/renderer.js
index 2321ad12..fbb67393 100644
--- a/server/modules/rendering/markdown-katex/renderer.js
+++ b/server/modules/rendering/markdown-katex/renderer.js
@@ -24,12 +24,13 @@ katex.__defineMacro('\\tripledash', '{\\vphantom{-}\\raisebox{2.56mu}{$\\mkern2m
 
 module.exports = {
   init (mdinst, conf) {
+    const macros = {}
     if (conf.useInline) {
       mdinst.inline.ruler.after('escape', 'katex_inline', katexInline)
       mdinst.renderer.rules.katex_inline = (tokens, idx) => {
         try {
           return katex.renderToString(tokens[idx].content, {
-            displayMode: false
+            displayMode: false, macros
           })
         } catch (err) {
           WIKI.logger.warn(err)
@@ -44,7 +45,7 @@ module.exports = {
       mdinst.renderer.rules.katex_block = (tokens, idx) => {
         try {
           return `<p>` + katex.renderToString(tokens[idx].content, {
-            displayMode: true
+            displayMode: true, macros
           }) + `</p>`
         } catch (err) {
           WIKI.logger.warn(err)