Merge pull request #230 from timlrx/feat/prism-code-themes

feat: add separate stylesheet for prismjs code block theme

css/prism.css

@@ -0,0 +1,128 @@
+/**
+ * CSS Styles for code highlighting.
+ * Feel free to customize token styles 
+ * by copying from a prismjs compatible theme:
+ * https://github.com/PrismJS/prism-themes
+ */
+
+/* Code title styles */
+.remark-code-title {
+  @apply px-5 py-3 font-mono text-sm font-bold text-gray-200 bg-gray-700 rounded-t;
+}
+
+.remark-code-title + div > pre {
+  @apply mt-0 rounded-t-none;
+}
+
+/* Code block styles */
+.code-highlight {
+  @apply float-left min-w-full;
+}
+
+.code-line {
+  @apply block pl-4 pr-4 -mx-4 border-l-4 border-gray-800;
+}
+
+.highlight-line {
+  @apply -mx-4 bg-gray-700 bg-opacity-50 border-l-4 border-primary-500;
+}
+
+.line-number::before {
+  @apply pr-4 -ml-2 text-gray-400;
+  content: attr(line);
+}
+
+/* Token styles */
+/**
+ * MIT License
+ * Copyright (c) 2018 Sarah Drasner
+ * Sarah Drasner's[@sdras] Night Owl
+ * Ported by Sara vieria [@SaraVieira]
+ * Added by Souvik Mandal [@SimpleIndian]
+ */
+.token.comment,
+.token.prolog,
+.token.cdata {
+  color: rgb(99, 119, 119);
+  font-style: italic;
+}
+
+.token.punctuation {
+  color: rgb(199, 146, 234);
+}
+
+.namespace {
+  color: rgb(178, 204, 214);
+}
+
+.token.deleted {
+  color: rgba(239, 83, 80, 0.56);
+  font-style: italic;
+}
+
+.token.symbol,
+.token.property {
+  color: rgb(128, 203, 196);
+}
+
+.token.tag,
+.token.operator,
+.token.keyword {
+  color: rgb(127, 219, 202);
+}
+
+.token.boolean {
+  color: rgb(255, 88, 116);
+}
+
+.token.number {
+  color: rgb(247, 140, 108);
+}
+
+.token.constant,
+.token.function,
+.token.builtin,
+.token.char {
+  color: rgb(130, 170, 255);
+}
+
+.token.selector,
+.token.doctype {
+  color: rgb(199, 146, 234);
+  font-style: italic;
+}
+
+.token.attr-name,
+.token.inserted {
+  color: rgb(173, 219, 103);
+  font-style: italic;
+}
+
+.token.string,
+.token.url,
+.token.entity,
+.language-css .token.string,
+.style .token.string {
+  color: rgb(173, 219, 103);
+}
+
+.token.class-name,
+.token.atrule,
+.token.attr-value {
+  color: rgb(255, 203, 139);
+}
+
+.token.regex,
+.token.important,
+.token.variable {
+  color: rgb(214, 222, 235);
+}
+
+.token.important,
+.token.bold {
+  font-weight: bold;
+}
+
+.token.italic {
+  font-style: italic;
+}

css/tailwind.css

@@ -2,35 +2,10 @@
 @tailwind components;
 @tailwind utilities;
 
-.remark-code-title {
-  @apply px-5 py-3 font-mono text-sm font-bold text-gray-200 bg-gray-700 rounded-t;
-}
-
-.remark-code-title + div > pre {
-  @apply mt-0 rounded-t-none;
-}
-
 .task-list-item:before {
   @apply hidden;
 }
 
-.code-highlight {
-  @apply float-left min-w-full;
-}
-
-.code-line {
-  @apply block pl-4 pr-4 -mx-4 border-l-4 border-gray-800;
-}
-
-.highlight-line {
-  @apply -mx-4 bg-gray-700 bg-opacity-50 border-l-4 border-primary-500;
-}
-
-.line-number::before {
-  @apply pr-4 -ml-2 text-gray-400;
-  content: attr(line);
-}
-
 html {
   scroll-behavior: smooth;
 }

lib/mdx.js

@@ -20,20 +20,6 @@ import rehypePrismPlus from 'rehype-prism-plus'
 
 const root = process.cwd()
 
-const tokenClassNames = {
-  tag: 'text-code-red',
-  'attr-name': 'text-code-yellow',
-  'attr-value': 'text-code-green',
-  deleted: 'text-code-red',
-  inserted: 'text-code-green',
-  punctuation: 'text-code-white',
-  keyword: 'text-code-purple',
-  string: 'text-code-green',
-  function: 'text-code-blue',
-  boolean: 'text-code-red',
-  comment: 'text-gray-400 italic',
-}
-
 export function getFiles(type) {
   const prefixPaths = path.join(root, 'data', type)
   const files = getAllFilesRecursively(prefixPaths)
@@ -100,16 +86,6 @@ export async function getFileBySlug(type, slug) {
         rehypeAutolinkHeadings,
         rehypeKatex,
         [rehypePrismPlus, { ignoreMissing: true }],
-        () => {
-          return (tree) => {
-            visit(tree, 'element', (node, index, parent) => {
-              let [token, type] = node.properties.className || []
-              if (token === 'token') {
-                node.properties.className = [tokenClassNames[type]]
-              }
-            })
-          }
-        },
       ]
       return options
     },

pages/_app.js

@@ -1,4 +1,5 @@
 import '@/css/tailwind.css'
+import '@/css/prism.css'
 
 import { ThemeProvider } from 'next-themes'
 import Head from 'next/head'

tailwind.config.js

@@ -22,14 +22,6 @@ module.exports = {
       colors: {
         primary: colors.teal,
         gray: colors.trueGray,
-        code: {
-          green: '#b5f4a5',
-          yellow: '#ffe484',
-          purple: '#d9a9ff',
-          red: '#ff8383',
-          blue: '#93ddfd',
-          white: '#fff',
-        },
       },
       typography: (theme) => ({
         DEFAULT: {