chore: add prismjs for syntax highlighting

1 files changed, 23 insertions, 0 deletions

diff --git a/public/prism/prism-r.js b/public/prism/prism-r.js
new file mode 100644
index 0000000..b794fa9
--- /dev/null
+++ b/public/prism/prism-r.js
@@ -0,0 +1,23 @@
+Prism.languages.r = {
+  comment: /#.*/,
+  string: {
+    pattern: /(['"])(?:\\.|(?!\1)[^\\\r\n])*\1/,
+    greedy: true,
+  },
+  'percent-operator': {
+    // Includes user-defined operators
+    // and %%, %*%, %/%, %in%, %o%, %x%
+    pattern: /%[^%\s]*%/,
+    alias: 'operator',
+  },
+  boolean: /\b(?:FALSE|TRUE)\b/,
+  ellipsis: /\.\.(?:\.|\d+)/,
+  number: [
+    /\b(?:Inf|NaN)\b/,
+    /(?:\b0x[\dA-Fa-f]+(?:\.\d*)?|\b\d+(?:\.\d*)?|\B\.\d+)(?:[EePp][+-]?\d+)?[iL]?/,
+  ],
+  keyword:
+    /\b(?:NA|NA_character_|NA_complex_|NA_integer_|NA_real_|NULL|break|else|for|function|if|in|next|repeat|while)\b/,
+  operator: /->?>?|<(?:=|<?-)?|[>=!]=?|::?|&&?|\|\|?|[+*\/^$@~]/,
+  punctuation: /[(){}\[\],;]/,
+};