@deepguide-ai/dg/dist/lib/svg-generation.js

Self-testing CLI documentation tool that generates interactive terminal demos

import { join } from 'path';
import { existsSync, readFileSync, mkdirSync } from 'fs';
import { exportSVG } from './termsvg.js';
const THEME_CONFIGS = {
    light: {
        backgroundColor: '#ffffff',
        foregroundColor: '#24292e',
        palette: 'github-light'
    },
    dark: {
        backgroundColor: '#0d1117',
        foregroundColor: '#f0f6fc',
        palette: 'github-dark'
    },
    auto: {
        backgroundColor: '#ffffff',
        foregroundColor: '#24292e',
        palette: 'github-light'
    }
};
export async function generateSVG(castPath, theme = 'light', options = {}) {
    const { width = 120, height = 30, minify = true } = options;
    if (!existsSync(castPath)) {
        return {
            svg: null,
            markdown: '',
            warning: `Cast file not found: ${castPath}`
        };
    }
    const config = THEME_CONFIGS[theme];
    // Get the cast filename and create SVG path in the svg/ directory
    const castName = castPath.split('/').pop()?.replace('.cast', '') || 'demo';
    const castDir = castPath.replace(/\/casts\/[^/]+\.cast$/, ''); // Get .dg directory
    const svgDir = join(castDir, 'svg');
    const outputPath = join(svgDir, `${castName}-${theme}.svg`);
    // Ensure svg directory exists
    if (!existsSync(svgDir)) {
        mkdirSync(svgDir, { recursive: true });
    }
    try {
        // Use termsvg export command
        const success = await exportSVG(castPath, outputPath, { minify });
        if (!success) {
            return {
                svg: null,
                markdown: generateAsciinemaOnlyMarkdown(castPath),
                warning: 'SVG export failed - check termsvg installation'
            };
        }
        const svg = readFileSync(outputPath, 'utf8');
        const markdown = generateMarkdownWithSVG(castPath, outputPath, svg);
        return {
            svg,
            markdown
        };
    }
    catch (error) {
        // Fallback: Generate asciinema-only markdown
        return {
            svg: null,
            markdown: generateAsciinemaOnlyMarkdown(castPath),
            warning: 'SVG generation failed - termsvg not available or error occurred'
        };
    }
}
function generateMarkdownWithSVG(castPath, svgPath, svg) {
    const castName = castPath.split('/').pop()?.replace('.cast', '') || 'demo';
    const relativeSvgPath = svgPath.replace(process.cwd() + '/', '');
    // For GitHub raw URLs, we need the full path
    const githubSvgUrl = `https://github.com/user/repo/raw/main/${relativeSvgPath}`;
    const asciinemaUrl = `https://asciinema.org/a/${castName}`;
    return `## ${castName.charAt(0).toUpperCase() + castName.slice(1)} Demo

![CLI Demo](${githubSvgUrl})

[📹 View interactive demo](${asciinemaUrl}) • [📁 Raw recording](${castPath.replace(process.cwd() + '/', '')})

### Usage

\`\`\`bash
# Copy and paste the commands below
\`\`\`

### Expected Output

\`\`\`
# The demo above shows the expected terminal output
\`\`\`
`;
}
function generateAsciinemaOnlyMarkdown(castPath) {
    const castName = castPath.split('/').pop()?.replace('.cast', '') || 'demo';
    const asciinemaUrl = `https://asciinema.org/a/${castName}`;
    const relativeCastPath = castPath.replace(process.cwd() + '/', '');
    return `## ${castName.charAt(0).toUpperCase() + castName.slice(1)} Demo

[📹 View interactive demo](${asciinemaUrl}) • [📁 Raw recording](${relativeCastPath})

*Note: SVG preview unavailable - view the interactive demo above*

### Usage

\`\`\`bash
# Copy and paste the commands below
\`\`\`
`;
}
// Re-export for compatibility
export { checkTermSVGAvailability as testTermSVGAvailability } from './termsvg.js';
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