What is MIME type "text/x-idris"?

A MIME type is a string that tells browsers and other tools how to handle a particular kind of file.

text/x-idris is a MIME type for files containing Idris source code. It tells your system that the file is plain text and includes code written in the Idris programming language.

When your text editor or IDE opens a file marked with text/x-idris, it can apply language-specific features like syntax highlighting and code formatting. This helps you read and write the code more clearly.

Main use case: It designates files that contain Idris code.
Practical functionality: It lets code editors recognize the file type quickly for tasks such as error checking and auto-completion.
Key fact: Files with the extension IDR are typically marked with this MIME type.

This MIME type is part of a broader system used to identify file content and enable interoperability between applications.

For more details on MIME types, visit this reference.

Associated file extensions

.idr

Usage Examples

HTTP Header

When serving content with this MIME type, set the Content-Type header:


    Content-Type: text/x-idris

HTML

In HTML, you can specify the MIME type in various elements:


    <a href="file.dat" type="text/x-idris">Download file</a>

Server-side (Node.js)

Setting the Content-Type header in Node.js:


    const http = require('http');    
    
    http.createServer((req, res) => {    
      res.setHeader('Content-Type', 'text/x-idris');    
      res.end('Content here');    
    }).listen(3000);

Associated file extensions

.idr

FAQs

Which software can open files with the text/x-idris MIME type?

Since text/x-idris files contain plain text source code, they can be opened by any basic text editor like Notepad or TextEdit. However, for the best experience, developers typically use advanced editors like Visual Studio Code, Atom, or Emacs equipped with Idris language plugins to enable syntax highlighting and error checking.

How do I configure Apache to serve .idr files correctly?

To ensure your Apache server serves Idris source files with the correct MIME type, add the following line to your .htaccess file or main configuration: AddType text/x-idris .idr. This tells the server to associate the .idr extension with this specific content type.

What does the 'x-' prefix mean in text/x-idris?

The x- prefix indicates that this is a non-standard or experimental MIME type that is not officially registered with the IANA (Internet Assigned Numbers Authority). It is a convention used by the community to identify Idris source code specifically, rather than treating it as generic text/plain.

Will a web browser execute code served as text/x-idris?

No, web browsers do not natively execute Idris code. If a server sends a file with the text/x-idris header, the browser will typically display the raw source code as text or prompt the user to download the file. To run the code, it must be compiled or transpiled (e.g., to JavaScript) first.

How do I set up Nginx to recognize the text/x-idris type?

You can add the type definition to your Nginx mime.types file or within a specific server block. Add the line text/x-idris idr; inside the types { ... } block to ensure files with the .idr extension are served with the correct headers.

Why is my editor not highlighting Idris syntax?

If your editor opens the file as plain text without colors, it may not recognize the text/x-idris type or the .idr extension automatically. You usually need to install a specific Idris language extension or plugin for your IDE (such as the Idris extension for VS Code) to enable syntax highlighting and language server features.

General FAQ

What is a MIME type?

A MIME (Multipurpose Internet Mail Extensions) type is a standard that indicates the nature and format of a document, file, or assortment of bytes. MIME types are defined and standardized in IETF's RFC 6838.

MIME types are important because they help browsers and servers understand how to process a file. When a browser receives a file from a server, it uses the MIME type to determine how to display or handle the content, whether it's an image to display, a PDF to open in a viewer, or a video to play.

MIME types consist of a type and a subtype, separated by a slash (e.g., text/html, image/jpeg, application/pdf). Some MIME types also include optional parameters.

How do I find the MIME type for a file?

You can check the file extension or use a file identification tool such as file --mime-type on the command line. Many programming languages also provide libraries to detect MIME types.

Why are multiple MIME types listed for one extension?

Different applications and historical conventions may use alternative MIME identifiers for the same kind of file. Showing them all helps ensure compatibility across systems.