mdx-prompt/dist/test/render.test.js

Use MDX to render high quality LLM prompts

import fs from 'node:fs';
import path from 'node:path';
import { renderMDXPromptFile } from '../render';
// Test renders implement-plan.mdx with contents from plan.txt
describe('renderMDXPromptFile with HTML content', () => {
    it('should render the plan without escaping angle brackets', async () => {
        // Get paths to test files
        const planPath = path.join(__dirname, 'fixtures', 'plan.txt');
        const mdxPath = path.join(__dirname, 'fixtures', 'implement-plan.mdx');
        // Read plan.txt content
        const planContent = fs.readFileSync(planPath, 'utf-8');
        // Render the MDX with the plan injected as data
        const result = await renderMDXPromptFile({
            filePath: mdxPath,
            data: { plan: planContent },
        });
        // Expect angle brackets to be preserved, not escaped as HTML entities
        expect(result).toContain('<MyComponent>');
        expect(result).toContain('<div className="test">');
        expect(result).toContain('<b>bold text</b>');
        expect(result).toContain('<custom-elements>');
        expect(result).toContain('"property": "<value>"');
        // Verify we don't see escaped HTML entities
        expect(result).not.toContain('&lt;MyComponent&gt;');
        expect(result).not.toContain('&lt;div className="test"&gt;');
        expect(result).not.toContain('&lt;b&gt;bold text&lt;/b&gt;');
    });
});
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