chore: add prismjs for syntax highlighting

1 files changed, 45 insertions, 0 deletions

diff --git a/public/prism/prism-twig.js b/public/prism/prism-twig.js
new file mode 100644
index 0000000..0389b96
--- /dev/null
+++ b/public/prism/prism-twig.js
@@ -0,0 +1,45 @@
+Prism.languages.twig = {
+  comment: /^\{#[\s\S]*?#\}$/,
+
+  'tag-name': {
+    pattern: /(^\{%-?\s*)\w+/,
+    lookbehind: true,
+    alias: 'keyword',
+  },
+  delimiter: {
+    pattern: /^\{[{%]-?|-?[%}]\}$/,
+    alias: 'punctuation',
+  },
+
+  string: {
+    pattern: /("|')(?:\\.|(?!\1)[^\\\r\n])*\1/,
+    inside: {
+      punctuation: /^['"]|['"]$/,
+    },
+  },
+  keyword: /\b(?:even|if|odd)\b/,
+  boolean: /\b(?:false|null|true)\b/,
+  number: /\b0x[\dA-Fa-f]+|(?:\b\d+(?:\.\d*)?|\B\.\d+)(?:[Ee][-+]?\d+)?/,
+  operator: [
+    {
+      pattern:
+        /(\s)(?:and|b-and|b-or|b-xor|ends with|in|is|matches|not|or|same as|starts with)(?=\s)/,
+      lookbehind: true,
+    },
+    /[=<>]=?|!=|\*\*?|\/\/?|\?:?|[-+~%|]/,
+  ],
+  punctuation: /[()\[\]{}:.,]/,
+};
+
+Prism.hooks.add('before-tokenize', function (env) {
+  if (env.language !== 'twig') {
+    return;
+  }
+
+  var pattern = /\{(?:#[\s\S]*?#|%[\s\S]*?%|\{[\s\S]*?\})\}/g;
+  Prism.languages['markup-templating'].buildPlaceholders(env, 'twig', pattern);
+});
+
+Prism.hooks.add('after-tokenize', function (env) {
+  Prism.languages['markup-templating'].tokenizePlaceholders(env, 'twig');
+});