This is a test.
\n\napp.use(\n minifyHTML({\n override: true,\n exceptionUrls: [], // No exceptions for this example\n htmlMinifier: {\n removeComments: true,\n collapseWhitespace: true,\n collapseBooleanAttributes: true,\n removeAttributeQuotes: true,\n removeEmptyAttributes: true,\n minifyJS: true,\n minifyCSS: true\n },\n }),\n);\n\napp.get('/hello', function (req, res, next) {\n res.render('helloTemplate', { hello: 'world' }, function (err, html) {\n if (err) return next(err);\n console.log('Minified HTML output:', html);\n res.send(html);\n });\n});\n\n// Start the server\nconst PORT = process.env.PORT || 3000;\napp.listen(PORT, () => {\n console.log(`Server running on http://localhost:${PORT}/hello`);\n console.log('Ensure you have an EJS template at ./views/helloTemplate.ejs');\n});","lang":"javascript","description":"Demonstrates how to integrate `express-minify-html-2` into an Express application to automatically minify rendered HTML output. It configures the middleware with common minification options and shows how it intercepts `res.render`."},"warnings":[{"fix":"Upgrade your Node.js environment to version 14.0.0 or later. If using an older Node.js, you must stick to `express-minify-html-2` < 2.0.0, though this is not recommended due to other breaking/security changes.","message":"Version 2.0.0 and above require Node.js 14.0.0 or higher. Previous versions claimed compatibility with Node.js 4.0.0, but the underlying `html-minifier-terser` dependency mandates Node.js >=14.13.1.","severity":"breaking","affected_versions":">=2.0.0"},{"fix":"Immediately upgrade to `express-minify-html-2` version 1.0.2 or later to benefit from the security fix and use the actively maintained `html-minifier-terser`.","message":"Version 1.0.2 replaced the deprecated and potentially insecure `html-minifier` library with `html-minifier-terser` due to identified security vulnerabilities in the former. Users on `v1.0.1` or older are exposed to these risks.","severity":"breaking","affected_versions":"<1.0.2"},{"fix":"Choose `override: true` if you want all `res.render` calls to be minified automatically. If you need selective minification, set `override: false` and explicitly call `res.renderMin` where minification is desired.","message":"The `override` option (defaulting to `true`) determines whether the middleware hijacks the standard `res.render` function or adds a new `res.renderMin` function. Setting `override: false` requires you to explicitly call `res.renderMin`.","severity":"gotcha","affected_versions":">=1.0.0"},{"fix":"Refer to the official `html-minifier-terser` repository or documentation for detailed explanations of all available minification options (e.g., `removeComments`, `collapseWhitespace`, `minifyJS`, etc.).","message":"Configuration options for minification are passed directly to `html-minifier-terser` via the `htmlMinifier` property. Developers should consult the `html-minifier-terser` documentation for a complete list of available options and their behaviors.","severity":"gotcha","affected_versions":">=1.0.2"},{"fix":"Update your configuration to use `exceptionUrls` for new projects or when refactoring. Ensure you pass an array of strings, regexes, or functions as documented.","message":"The `exception_url` option (for URLs to skip minification) has been aliased to `exceptionUrls` in v2.0.0 for camelCase consistency. While `exception_url` is still supported for backward compatibility, `exceptionUrls` is the preferred modern spelling.","severity":"gotcha","affected_versions":">=2.0.0"}],"env_vars":null,"last_verified":"2026-04-23T00:00:00.000Z","next_check":"2026-07-22T00:00:00.000Z","problems":[{"fix":"Ensure your Node.js version is 14.0.0 or higher. Run `npm install` or `npm ci` again to re-install dependencies. Check npm logs for specific installation failures.","cause":"The `html-minifier-terser` package or its dependencies failed to install correctly, often due to an incompatible Node.js version (e.g., running Node.js < 14.0.0) or corrupted `node_modules`.","error":"Error: Cannot find module 'html-minifier-terser'"},{"fix":"Verify that `app = express()` is called and `app` is correctly instantiated before attempting to use middleware with `app.use()`.","cause":"This error typically indicates that `app` is not a valid Express application instance or has not been correctly initialized as `express()` before `app.use` is called.","error":"TypeError: app.use is not a function"},{"fix":"Check the `override` option: `true` should minify all `res.render` calls. If `override: false`, ensure you're explicitly calling `res.renderMin`. Verify `exceptionUrls` array correctly excludes paths you want to minify, or that it is empty if you want all paths to be minified. Debug `htmlMinifier` options by starting with a minimal configuration. Ensure the response `Content-Type` is `text/html`.","cause":"This can be caused by incorrect `override` settings, misconfigured `exceptionUrls`, or `htmlMinifier` options not being applied as expected, or an incorrect `Content-Type` header being sent.","error":"HTML is not minified, or minification is inconsistent for certain routes."}],"ecosystem":"npm","meta_description":null,"install_score":null,"install_tag":null,"quickstart_score":null,"quickstart_tag":null}