1 files changed, 93 insertions, 0 deletions
diff --git a/public/prism/prism-cue.js b/public/prism/prism-cue.js
new file mode 100644
index 0000000..a4cce0c
--- /dev/null
+++ b/public/prism/prism-cue.js
@@ -0,0 +1,93 @@
+(function (Prism) {
+  // https://cuelang.org/docs/references/spec/
+
+  // eslint-disable-next-line regexp/strict
+  var stringEscape = /\\(?:(?!\2)|\2(?:[^()\r\n]|\([^()]*\)))/.source;
+  // eslint-disable-next-line regexp/strict
+  var stringTypes =
+    /"""(?:[^\\"]|"(?!""\2)|<esc>)*"""/.source +
+    // eslint-disable-next-line regexp/strict
+    '|' +
+    /'''(?:[^\\']|'(?!''\2)|<esc>)*'''/.source +
+    // eslint-disable-next-line regexp/strict
+    '|' +
+    /"(?:[^\\\r\n"]|"(?!\2)|<esc>)*"/.source +
+    // eslint-disable-next-line regexp/strict
+    '|' +
+    /'(?:[^\\\r\n']|'(?!\2)|<esc>)*'/.source;
+  var stringLiteral = '(?:' + stringTypes.replace(/<esc>/g, stringEscape) + ')';
+
+  Prism.languages.cue = {
+    comment: {
+      pattern: /\/\/.*/,
+      greedy: true,
+    },
+    'string-literal': {
+      // eslint-disable-next-line regexp/strict
+      pattern: RegExp(
+        /(^|[^#"'\\])(#*)/.source + stringLiteral + /(?!["'])\2/.source
+      ),
+      lookbehind: true,
+      greedy: true,
+      inside: {
+        // I'm using dirty hack here. We have to know the number hashes at the start of the string somehow,
+        // but we can't look back. So instead, we will use a lookahead, go to the end of the string, and
+        // capture the hashes at the end of the string.
+        escape: {
+          pattern:
+            /(?=[\s\S]*["'](#*)$)\\\1(?:U[a-fA-F0-9]{1,8}|u[a-fA-F0-9]{1,4}|x[a-fA-F0-9]{1,2}|\d{2,3}|[^(])/,
+          greedy: true,
+          alias: 'string',
+        },
+        interpolation: {
+          pattern: /(?=[\s\S]*["'](#*)$)\\\1\([^()]*\)/,
+          greedy: true,
+          inside: {
+            punctuation: /^\\#*\(|\)$/,
+            expression: {
+              pattern: /[\s\S]+/,
+              inside: null,
+            },
+          },
+        },
+        string: /[\s\S]+/,
+      },
+    },
+
+    keyword: {
+      pattern: /(^|[^\w$])(?:for|if|import|in|let|null|package)(?![\w$])/,
+      lookbehind: true,
+    },
+    boolean: {
+      pattern: /(^|[^\w$])(?:false|true)(?![\w$])/,
+      lookbehind: true,
+    },
+    builtin: {
+      pattern:
+        /(^|[^\w$])(?:bool|bytes|float|float(?:32|64)|u?int(?:8|16|32|64|128)?|number|rune|string)(?![\w$])/,
+      lookbehind: true,
+    },
+
+    attribute: {
+      pattern: /@[\w$]+(?=\s*\()/,
+      alias: 'function',
+    },
+    function: {
+      pattern: /(^|[^\w$])[a-z_$][\w$]*(?=\s*\()/i,
+      lookbehind: true,
+    },
+
+    number: {
+      pattern:
+        /(^|[^\w$.])(?:0b[01]+(?:_[01]+)*|0o[0-7]+(?:_[0-7]+)*|0[xX][0-9A-Fa-f]+(?:_[0-9A-Fa-f]+)*|(?:\d+(?:_\d+)*(?:\.(?:\d+(?:_\d+)*)?)?|\.\d+(?:_\d+)*)(?:[eE][+-]?\d+(?:_\d+)*)?(?:[KMGTP]i?)?)(?![\w$])/,
+      lookbehind: true,
+    },
+
+    operator: /\.{3}|_\|_|&&?|\|\|?|[=!]~|[<>=!]=?|[+\-*/?]/,
+    punctuation: /[()[\]{},.:]/,
+  };
+
+  Prism.languages.cue[
+    'string-literal'
+  ].inside.interpolation.inside.expression.inside = Prism.languages.cue;
+})(Prism);