Merge pull request #749 from tangly1024/fix-equation-tag

Fix equation tag

.env.local

@@ -1,2 +1,2 @@
 # 环境变量 @see https://www.nextjs.cn/docs/basic-features/environment-variables
-NEXT_PUBLIC_VERSION=3.9.3
+NEXT_PUBLIC_VERSION=3.9.4

components/Equation.js

@@ -0,0 +1,25 @@
+import * as React from 'react'
+
+import Katex from '@/components/KatexReact'
+import { getBlockTitle } from 'notion-utils'
+
+const katexSettings = {
+  throwOnError: false,
+  strict: false
+}
+
+export const Equation = ({ block, math, inline = false, className, ...rest }) => {
+//   const { recordMap } = useNotionContext()
+  math = math || getBlockTitle(block, null)
+  if (!math) return null
+
+  return (
+    <span
+      role='button'
+      tabIndex={0}
+      className={`notion-equation ${inline ? 'notion-equation-inline' : 'notion-equation-block'}`}
+    >
+      <Katex math={math} settings={katexSettings} {...rest} />
+    </span>
+  )
+}

components/KatexReact.js

@@ -0,0 +1,53 @@
+import KaTeX from 'katex'
+import React from 'react'
+
+const TeX = ({
+  children,
+  math,
+  block,
+  errorColor,
+  renderError,
+  settings,
+  as: asComponent,
+  ...props
+}) => {
+  const Component = asComponent || (block ? 'div' : 'span')
+  const content = (children ?? math)
+  const [state, setState] = React.useState({ innerHtml: '' })
+
+  React.useEffect(() => {
+    try {
+      const innerHtml = KaTeX.renderToString(content, {
+        displayMode: true,
+        errorColor,
+        throwOnError: !!renderError,
+        ...settings
+      })
+
+      setState({ innerHtml })
+    } catch (error) {
+      if (error instanceof KaTeX.ParseError || error instanceof TypeError) {
+        if (renderError) {
+          setState({ errorElement: renderError(error) })
+        } else {
+          setState({ innerHtml: error.message })
+        }
+      } else {
+        throw error
+      }
+    }
+  }, [block, content, errorColor, renderError, settings])
+
+  if ('errorElement' in state) {
+    return state.errorElement
+  }
+
+  return (
+    <Component
+      {...props}
+      dangerouslySetInnerHTML={{ __html: state.innerHtml }}
+    />
+  )
+}
+
+export default React.memo(TeX)

components/NotionPage.js

@@ -10,7 +10,7 @@ import { Code } from 'react-notion-x/build/third-party/code'
 import 'katex/dist/katex.min.css'
 
 const Equation = dynamic(() =>
-  import('react-notion-x/build/third-party/equation').then(async (m) => {
+  import('@/components/Equation').then(async (m) => {
     // 化学方程式
     await import('@/lib/mhchem')
     return m.Equation

package.json

@@ -1,6 +1,6 @@
 {
   "name": "notion-next",
-  "version": "3.9.3",
+  "version": "3.9.4",
   "homepage": "https://github.com/tangly1024/NotionNext.git",
   "license": "MIT",
   "repository": {
@@ -53,7 +53,7 @@
     "react-dom": "^18.2.0",
     "react-facebook": "^8.1.4",
     "react-messenger-customer-chat": "^0.8.0",
-    "react-notion-x": "6.15.6",
+    "react-notion-x": "6.15.8",
     "react-share": "^4.4.0",
     "smoothscroll-polyfill": "^0.4.4",
     "twikoo": "^1.6.8",