This is a test document to show meta http-equiv removal.
\n \n`;\n\n // Create a temporary file to simulate reading from a file system\n const tempFilePath = join(tmpdir(), 'input.html');\n await writeFile(tempFilePath, inputHtml, 'utf8');\n\n const file = await unified()\n .use(rehypeParse, {fragment: false}) // Ensure full document parsing\n .use(rehypeRemoveMetaHttpEquiv)\n .use(rehypeStringify)\n .process(await read(tempFilePath));\n\n console.log('Original HTML:\\n', inputHtml);\n console.log('\\nProcessed HTML:\\n', String(file));\n // Expected output will have the meta http-equiv tags removed.\n}\n\nprocessHtml().catch(console.error);\n","lang":"typescript","description":"This example demonstrates how to use `rehype-remove-meta-http-equiv` within a unified processing pipeline to strip `http-equiv` meta tags from an HTML document, showing the transformation from input to optimized output."},"warnings":[{"fix":"Migrate your project to use ECMAScript Modules (ESM) syntax with 'import' statements, or ensure your environment supports ESM.","message":"This package is ESM-only since version 4. Attempting to use 'require()' will result in an 'ERR_REQUIRE_ESM' error.","severity":"breaking","affected_versions":">=4.0.0"},{"fix":"Upgrade your Node.js runtime to version 16 or later.","message":"Version 4.0.0 and above require Node.js 16 or newer. Older Node.js versions are not supported, leading to potential runtime errors or unexpected behavior.","severity":"breaking","affected_versions":">=4.0.0"},{"fix":"Always use `rehype-sanitize` (e.g., `.use(rehypeSanitize)`) in your processing pipeline when dealing with untrusted HTML content to prevent XSS attacks.","message":"As rehype processes HTML, untrusted input combined with improper use can lead to Cross-Site Scripting (XSS) vulnerabilities. This plugin removes meta tags but does not sanitize other HTML content.","severity":"gotcha","affected_versions":">=1.0.0"},{"fix":"Update your `unified`, `rehype-parse`, and `rehype-stringify` packages to their latest major versions (e.g., `unified@^13`, `rehype-parse@^9`, `rehype-stringify@^10`) to ensure compatibility.","message":"The `rehype` ecosystem, including this plugin's compatibility, relies on `unified` v13+ and `hast` v3+. Incompatible versions can cause type errors or runtime failures.","severity":"breaking","affected_versions":">=4.0.0"}],"env_vars":null,"last_verified":"2026-04-22T00:00:00.000Z","next_check":"2026-07-21T00:00:00.000Z","problems":[{"fix":"Change your import statement from `const plugin = require('rehype-remove-meta-http-equiv')` to `import plugin from 'rehype-remove-meta-http-equiv'` and ensure your project is configured for ESM (e.g., by adding `\"type\": \"module\"` to `package.json`).","cause":"Attempting to import the ESM-only `rehype-remove-meta-http-equiv` package using CommonJS `require()` syntax.","error":"ERR_REQUIRE_ESM: require() of ES Module ... not supported. Instead change the require of index.js in ... to a dynamic import() call."},{"fix":"Ensure `unified` is imported using `import { unified } from 'unified'` and that you are using a compatible version (unified@^13 for rehype v4.x plugins).","cause":"The `unified` package was not imported correctly, or an incompatible version is being used (e.g., an older CommonJS `require` of a new ESM `unified`).","error":"TypeError: unified is not a function"},{"fix":"Add `\"type\": \"module\"` to your `package.json` file or use the `.mjs` file extension for your module file to explicitly enable ESM.","cause":"You are attempting to use an `import` statement for `rehype-remove-meta-http-equiv` in a file that is being treated as a CommonJS module.","error":"SyntaxError: Cannot use import statement outside a module"}],"ecosystem":"npm"}