chore: add prismjs for syntax highlighting

1 files changed, 18 insertions, 0 deletions

diff --git a/public/prism/prism-racket.js b/public/prism/prism-racket.js
new file mode 100644
index 0000000..01a8a97
--- /dev/null
+++ b/public/prism/prism-racket.js
@@ -0,0 +1,18 @@
+Prism.languages.racket = Prism.languages.extend('scheme', {
+  'lambda-parameter': {
+    // the racket lambda syntax is a lot more complex, so we won't even attempt to capture it.
+    // this will just prevent false positives of the `function` pattern
+    pattern: /([(\[]lambda\s+[(\[])[^()\[\]'\s]+/,
+    lookbehind: true,
+  },
+});
+
+Prism.languages.insertBefore('racket', 'string', {
+  lang: {
+    pattern: /^#lang.+/m,
+    greedy: true,
+    alias: 'keyword',
+  },
+});
+
+Prism.languages.rkt = Prism.languages.racket;