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This commit is contained in:
Zhongwei Li
54
skills/figlet-text-converter/scripts/list-fonts.js
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54
skills/figlet-text-converter/scripts/list-fonts.js
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import { execSync } from 'child_process';
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// Get available fonts via npx figlet
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function getAvailableFonts() {
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try {
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const output = execSync('npx figlet --list', { encoding: 'utf-8' });
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// Skip the "Available fonts:" header and filter out empty lines
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return output.trim().split('\n').slice(1).map(line => line.trim()).filter(line => line);
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} catch (error) {
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console.error('Error retrieving fonts:', error.message);
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process.exit(1);
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}
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}
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// Generate ASCII art via npx figlet
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function generateAsciiArt(text, font) {
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try {
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const output = execSync(`npx figlet -f "${font}" "${text}"`, { encoding: 'utf-8' });
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return output;
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} catch (error) {
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return '(Preview not available)';
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}
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}
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// Main function
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function main() {
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const fonts = getAvailableFonts();
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console.log(`\n📋 Available Figlet Fonts (${fonts.length} total):\n`);
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console.log('='.repeat(60));
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// Show first 10 fonts with examples
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const previewCount = Math.min(10, fonts.length);
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for (let i = 0; i < previewCount; i++) {
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const font = fonts[i];
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console.log(`\n🔤 ${font}`);
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console.log('-'.repeat(40));
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const preview = generateAsciiArt('Sample', font);
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console.log(preview);
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}
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console.log('\n' + '='.repeat(60));
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console.log(`\n📝 All Available Fonts (${fonts.length} total):\n`);
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fonts.forEach((font, index) => {
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console.log(` ${(index + 1).toString().padStart(3)}. ${font}`);
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});
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console.log('\n💡 Tip: Use font="font-name" in figlet tags');
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console.log(' Default font: "standard"\n');
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}
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main();
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192
skills/figlet-text-converter/scripts/process-file.js
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192
skills/figlet-text-converter/scripts/process-file.js
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import { execSync } from 'child_process';
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import fs from 'fs';
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import path from 'path';
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// Get available fonts via npx figlet
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function getAvailableFonts() {
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try {
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const output = execSync('npx figlet --list', { encoding: 'utf-8' });
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// Skip the "Available fonts:" header and filter out empty lines
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return output.trim().split('\n').slice(1).map(line => line.trim()).filter(line => line);
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} catch (error) {
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throw new Error(`Failed to fetch available fonts: ${error.message}`);
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}
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}
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// Generate ASCII art via npx figlet
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function generateAsciiArt(text, font) {
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try {
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// If no font specified, let figlet use its default (standard)
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const fontFlag = font ? `-f "${font}"` : '';
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const output = execSync(`npx figlet ${fontFlag} "${text}"`, { encoding: 'utf-8' });
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return output;
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} catch (error) {
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throw new Error(`Failed to generate ASCII art: ${error.message}`);
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}
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}
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// Parse command line arguments
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function parseArguments() {
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const args = process.argv.slice(2);
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if (args.length === 0) {
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console.error('Usage: node process-file.js <file-path>');
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console.error('');
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console.error('This script processes <figlet> tags in files and replaces them with ASCII art.');
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console.error('');
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console.error('Syntax: <figlet font="font-name">Text to convert</figlet>');
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console.error(' <figlet>Text to convert</figlet> (uses standard font by default)');
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process.exit(1);
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}
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return args[0];
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}
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// Detect comment style from the line
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function detectCommentStyle(line) {
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const trimmed = line.trimStart();
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if (trimmed.startsWith('//')) {
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return '//';
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} else if (trimmed.startsWith('#')) {
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return '#';
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} else if (trimmed.startsWith('--')) {
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return '--';
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} else if (trimmed.startsWith('/*')) {
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return '/*';
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}
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return null; // plain text, no comment style
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}
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// Format ASCII art with comment prefixes
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function formatWithComments(asciiArt, commentStyle) {
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// Remove trailing empty lines
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const lines = asciiArt.split('\n').filter((line, index, arr) => {
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// Keep the line if it's not empty, or if it's not the last line
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return line.trim().length > 0 || index < arr.length - 1;
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});
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if (!commentStyle) {
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return asciiArt.trimEnd();
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}
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switch (commentStyle) {
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case '//':
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return lines.map(line => `// ${line}`).join('\n');
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case '#':
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return lines.map(line => `# ${line}`).join('\n');
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case '--':
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return lines.map(line => `-- ${line}`).join('\n');
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case '/*':
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// For block comments, each line gets " * " prefix
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return lines.map(line => ` * ${line}`).join('\n');
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default:
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return asciiArt.trimEnd();
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}
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}
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// Main function
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function main() {
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const filePath = parseArguments();
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// Verify file exists
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if (!fs.existsSync(filePath)) {
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console.error(`❌ Error: File not found: ${filePath}`);
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process.exit(1);
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}
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// Read file content
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let content = fs.readFileSync(filePath, 'utf-8');
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// Get available fonts for validation
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let availableFonts;
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try {
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availableFonts = getAvailableFonts();
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} catch (err) {
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console.error(`❌ Error fetching available fonts: ${err.message}`);
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process.exit(1);
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}
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// Find all figlet tags: <figlet font="...">text</figlet> or <figlet>text</figlet>
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const tagRegex = /<figlet(?:\s+font="([^"]+)")?>(.+?)<\/figlet>/g;
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let match;
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const replacements = [];
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// Add 'standard' to available fonts since figlet always accepts it as the default
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const validFonts = new Set([...availableFonts, 'standard']);
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while ((match = tagRegex.exec(content)) !== null) {
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const fullTag = match[0];
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const fontName = match[1] || null; // null means use figlet's default
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const textToConvert = match[2];
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const tagIndex = match.index;
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// Validate font if specified
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if (fontName && !validFonts.has(fontName)) {
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console.error(`❌ Error: Invalid font "${fontName}" in tag: ${fullTag}`);
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console.error(` Run 'node list-fonts.js' to see available fonts.`);
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process.exit(1);
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}
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// Detect comment style from the line containing the tag
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const lineStart = content.lastIndexOf('\n', tagIndex) + 1;
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const lineEnd = content.indexOf('\n', tagIndex);
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const endPos = lineEnd === -1 ? content.length : lineEnd;
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const line = content.substring(lineStart, endPos);
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const commentStyle = detectCommentStyle(line);
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replacements.push({
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tag: fullTag,
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font: fontName,
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text: textToConvert,
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commentStyle
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});
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}
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// If no tags found, inform user
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if (replacements.length === 0) {
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console.log(`ℹ️ No figlet tags found in: ${filePath}`);
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return;
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}
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// Process each replacement
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for (const replacement of replacements) {
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try {
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const asciiArt = generateAsciiArt(replacement.text, replacement.font);
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const formatted = formatWithComments(asciiArt, replacement.commentStyle);
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// If there's a comment style and the tag is preceded by that comment on the same line,
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// we need to replace the comment prefix + tag together (not just the tag).
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// This prevents double comment prefixes (e.g., "# #" instead of "#")
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if (replacement.commentStyle) {
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const escapedComment = replacement.commentStyle.replace(/[.*+?^${}()|[\]\\]/g, '\\$&');
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const escapedTag = replacement.tag.replace(/[.*+?^${}()|[\]\\]/g, '\\$&');
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// Match optional leading whitespace, the comment prefix, optional space, then the tag
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const commentPrefixPattern = new RegExp(`(^|\\n)\\s*${escapedComment}\\s*${escapedTag}`);
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if (commentPrefixPattern.test(content)) {
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// Replace both the comment prefix and tag with the formatted ASCII art
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content = content.replace(commentPrefixPattern, `$1${formatted}`);
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} else {
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// No leading comment prefix, just replace the tag
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content = content.replace(replacement.tag, formatted);
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}
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} else {
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// No comment style, just replace the tag
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content = content.replace(replacement.tag, formatted);
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}
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} catch (err) {
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console.error(`❌ Error generating ASCII art for "${replacement.text}": ${err.message}`);
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process.exit(1);
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}
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}
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// Write modified content back to file
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fs.writeFileSync(filePath, content, 'utf-8');
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console.log(`✅ Successfully processed ${replacements.length} figlet tag(s) in: ${filePath}`);
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}
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main();
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