\n ${lineNumber}\n ${highlightLine(line, language)}\n ${'●'.repeat(Math.min(complexity, 5))}\n

`;\n }).join('\\n');\n \n return `\n \n \n

\n ${highlightedLines}\n

\n `;\n}\n\nfunction calculateLineComplexity(line: string): number {\n let complexity = 0;\n \n // Count various complexity indicators\n complexity += (line.match(/\\b(if|else|for|while|switch|case|try|catch)\\b/g) || []).length * 2;\n complexity += (line.match(/\\b(function|class|interface)\\b/g) || []).length * 3;\n complexity += (line.match(/[{}]/g) || []).length;\n complexity += (line.match(/[()]/g) || []).length * 0.5;\n complexity += (line.match(/[[\\]]/g) || []).length * 0.5;\n complexity += (line.match(/[&|!<>=]/g) || []).length * 0.5;\n complexity += Math.max(0, line.length - 80) * 0.1; // Long lines add complexity\n \n return Math.round(complexity);\n}\n\nfunction getComplexityClass(complexity: number): string {\n if (complexity <= 2) return 'complexity-low';\n if (complexity <= 5) return 'complexity-medium';\n return 'complexity-high';\n}\n\nfunction highlightLine(line: string, language: string): string {\n let highlighted = escapeHtml(line);\n \n // Basic syntax highlighting patterns\n const patterns = [\n // Keywords\n { pattern: /\\b(function|class|interface|const|let|var|if|else|for|while|return|import|export|from|as|type|enum|namespace)\\b/g, className: 'keyword' },\n \n // Strings\n { pattern: /([\"'`])((?:\\\\.|(?!\\1)[^\\\\])*?)\\1/g, className: 'string' },\n \n // Comments\n { pattern: /\\/\\/.*$/g, className: 'comment' },\n { pattern: /\\/\\*[\\s\\S]*?\\*\\//g, className: 'comment' },\n \n // Numbers\n { pattern: /\\b\\d+(\\.\\d+)?\\b/g, className: 'number' },\n \n // Function names\n { pattern: /\\b([a-zA-Z_$][a-zA-Z0-9_$]*)\\s*\\(/g, className: 'function', group: 1 },\n \n // Operators\n { pattern: /[+\\-*/%=<>!&|^~?:]/g, className: 'operator' },\n \n // Punctuation\n { pattern: /[{}[\\]();,]/g, className: 'punctuation' },\n ];\n \n patterns.forEach(({ pattern, className, group }) => {\n highlighted = highlighted.replace(pattern, (match, ...groups) => {\n const content = group ? groups[group - 1] : match;\n const before = group ? match.substring(0, match.indexOf(content)) : '';\n const after = group ? match.substring(match.indexOf(content) + content.length) : '';\n return `${before}${content}${after}`;\n });\n });\n \n return highlighted;\n}\n\nfunction escapeHtml(text: string): string {\n return text\n .replace(/&/g, '&')\n .replace(//g, '>')\n .replace(/\"/g, '"')\n .replace(/'/g, ''');\n}","deleted","label",[168,149],"examples","permalink","https://www.val.town/x/curtcox/valSource/code/examples/custom-highlighter.ts","extension","actionData","errors"]