Postman

import { existsSync } from 'node:fs'; import { join } from 'node:path'; import nunjucks from 'nunjucks'; export function createTemplateRenderer(viewsDir) { const env = nunjucks.configure(viewsDir, { autoescape: false, noCache: false, throwOnUndefined: false, }); env.addFilter('default', (val, defaultVal = '') => val === undefined || val === null ? defaultVal : val); return (toolName, rawText) => { const templatePath = join(viewsDir, `${toolName}.njk`); if (!existsSync(templatePath)) return null; try { const data = JSON.parse(rawText); return env.render(`${toolName}.njk`, data); } catch { return null; } }; }