content-types-lite
The content-types-lite is a lightweight and structured utility providing standardized content types (MIME types) for various applications. It simplifies content type handling by offering predefined constants, ensuring consistency in file processing, API responses, and HTTP headers.
Table of Contents
Key Features
- Predefined Content Types: A comprehensive set of MIME types categorized for different use cases.
- TypeScript Support: Strong type definitions for better development experience and safety.
- Immutable Constants: Prevents modifications to ensure consistency.
- Lightweight & Efficient: Optimized for performance with a minimal footprint.
- Seamless Integration: Works with any Node.js or TypeScript-based project.
Installation
To install the package, run the following command:
npm install content-types-lite
Usage
CommonJS
const contentTypesLite = require('content-types-lite');
console.log(contentTypesLite.JSON); // Outputs: application/json
Module (ESM)
import contentTypesLite from 'content-types-lite';
console.log(contentTypesLite.JSON); // Outputs: application/json
// TypeScript example:
import contentTypesLite, { ContentType } from 'content-types-lite';
const fileType: ContentType = 'JSON';
console.log(contentTypesLite[fileType]); // Outputs: application/json
Example Usage in an Express.js Application (ESM)
import contentTypesLite from 'content-types-lite';
import express from 'express';
const app = express();
app.get('/file', (req, res) => {
res.setHeader('Content-Type', contentTypesLite.PDF);
res.send('This is a PDF response');
});
app.listen(3000, () => console.log('Server running on port 3000'));
Supported Content Types
Text-Based Content Types
PLAIN_TEXT: text/plainHTML: text/htmlCSS: text/cssCSV: text/csvXML: text/xmlMARKDOWN: text/markdownRICH_TEXT: text/richtext
Structured Data Formats
JSON: application/jsonXML_APP: application/xmlYAML: application/x-yamlFORM_URLENCODED: application/x-www-form-urlencodedNDJSON: application/x-ndjsonMSGPACK: application/x-msgpackPROTOBUF: application/x-protobuf
Multipart & Form Data
MULTIPART_FORM_DATA: multipart/form-dataMULTIPART_MIXED: multipart/mixedMULTIPART_ALTERNATIVE: multipart/alternativeMULTIPART_DIGEST: multipart/digestMULTIPART_RELATED: multipart/relatedMULTIPART_SIGNED: multipart/signedMULTIPART_ENCRYPTED: multipart/encrypted
Binary & File Upload Content Types
OCTET_STREAM: application/octet-streamPDF: application/pdfZIP: application/zipGZIP: application/gzipMSWORD: application/mswordDOCX: application/vnd.openxmlformats-officedocument.wordprocessingml.documentEXCEL: application/vnd.ms-excelXLSX: application/vnd.openxmlformats-officedocument.spreadsheetml.sheetPOWERPOINT: application/vnd.ms-powerpointPPTX: application/vnd.openxmlformats-officedocument.presentationml.presentation
Media Content Types
GIF: image/gifPNG: image/pngJPEG: image/jpegWEBP: image/webpSVG: image/svg+xmlHEIF: image/heifAVIF: image/avif
Streaming & Event Content Types
EVENT_STREAM: text/event-streamTAR: application/x-tarBZIP2: application/x-bzip2
License
This project is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0).
You are free to:
- Share — Copy and redistribute the material in any medium or format.
Under the following terms:
- Attribution — You must give appropriate credit, provide a link to the license, and indicate if changes were made.
- NonCommercial — You may not use the material for commercial purposes.
- NoDerivatives — If you remix, transform, or build upon the material, you may not distribute the modified material.
For more details, please visit the Creative Commons License Page.
Acknowledgments
Special thanks to the following resources:
- MDN Web Docs - Comprehensive MIME type references.
- Node.js Express Documentation - Guidance on handling content types in HTTP responses.
- TypeScript Docs - Best practices for defining and using type-safe constants.
FAQs
1. How do I determine the correct content type for my file?
Content types are categorized based on their format. Documents, images, videos, and binary files each have their respective content types. Refer to the Supported Content Types section for details.
2. Can I extend this library with custom content types?
No, the constants are immutable and follow the official content type standards. If needed, you can create a wrapper module to include your custom content types.
3. How do I uninstall the package?
You can remove the package by running:
npm uninstall content-types-lite
Author
