extract-zip vs adm-zip vs unzipper vs node-unzip-2
Node.js Zip File Handling Libraries Comparison
1 Year
extract-zipadm-zipunzippernode-unzip-2Similar Packages:
What's Node.js Zip File Handling Libraries?

Zip file handling libraries in Node.js provide developers with tools to create, extract, and manipulate zip files programmatically. These libraries simplify the process of working with compressed files, allowing for efficient storage and transfer of data. They are essential for applications that need to package multiple files into a single archive or extract files from zip archives, enhancing file management capabilities within Node.js applications. Each library offers unique features, performance characteristics, and ease of use, making it important to choose the right one based on project requirements.

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extract-zip14,749,697394-515 years agoBSD-2-Clause
adm-zip6,796,0942,095121 kB1457 months agoMIT
unzipper4,039,79345556.6 kB828 months agoMIT
node-unzip-232,86544-216 years agoMIT
Feature Comparison: extract-zip vs adm-zip vs unzipper vs node-unzip-2

API Simplicity

  • extract-zip:

    extract-zip provides a simple API focused solely on extraction. It allows developers to quickly extract files from zip archives with a clear and concise method, making it easy to integrate into existing projects.

  • adm-zip:

    adm-zip offers a user-friendly API that allows developers to easily create and extract zip files with minimal code. Its synchronous methods make it straightforward for quick implementations without dealing with callbacks or promises.

  • unzipper:

    unzipper has a robust and flexible API that supports streaming extraction. While it may have a steeper learning curve, it offers powerful features for advanced use cases, such as piping and handling multiple files.

  • node-unzip-2:

    node-unzip-2 has a more complex API due to its streaming nature, which may require a deeper understanding of Node.js streams. However, it provides flexibility for handling large files without consuming excessive memory.

Performance

  • extract-zip:

    extract-zip is optimized for extraction performance, particularly for large zip files, as it processes files in a straightforward manner without unnecessary overhead.

  • adm-zip:

    adm-zip is efficient for small to medium-sized zip files but may not perform as well with very large files due to its synchronous nature, which can block the event loop during operations.

  • unzipper:

    unzipper is highly performant for large zip files, leveraging streams to minimize memory usage and allowing for concurrent processing of files, making it suitable for applications that require high throughput.

  • node-unzip-2:

    node-unzip-2 excels in performance with large zip files due to its streaming capabilities, allowing for efficient memory usage and faster processing times without loading entire files into memory.

Error Handling

  • extract-zip:

    extract-zip has built-in error handling for common extraction issues, providing clear error messages that help developers troubleshoot problems during the extraction process.

  • adm-zip:

    adm-zip provides basic error handling, but its synchronous nature means that errors must be managed carefully to avoid blocking the event loop. It may not provide detailed error messages for all scenarios.

  • unzipper:

    unzipper provides comprehensive error handling and emits specific events for various error scenarios, allowing developers to implement robust error management strategies in their applications.

  • node-unzip-2:

    node-unzip-2 offers more granular error handling through its streaming API, allowing developers to catch and manage errors at different stages of the extraction process, which can be beneficial for larger applications.

Use Cases

  • extract-zip:

    extract-zip is best suited for applications focused solely on extracting files from zip archives, such as file management systems or download utilities that need to unpack zip files.

  • adm-zip:

    adm-zip is ideal for applications that require quick and simple zip file creation and extraction, such as file upload services or backup utilities where ease of use is a priority.

  • unzipper:

    unzipper is suitable for complex applications that require advanced file processing capabilities, such as web applications that need to handle multiple file uploads and extractions concurrently.

  • node-unzip-2:

    node-unzip-2 is perfect for applications that need to handle large zip files efficiently, such as streaming file processing or server-side applications that require low memory usage during extraction.

Community and Maintenance

  • extract-zip:

    extract-zip is well-maintained and has a focused community, ensuring that it receives updates and support for common issues related to extraction.

  • adm-zip:

    adm-zip has a moderate level of community support and is actively maintained, but it may not have as many contributors as some other libraries, which could affect long-term support.

  • unzipper:

    unzipper has a strong community and is actively maintained, making it a reliable choice for developers looking for ongoing support and updates.

  • node-unzip-2:

    node-unzip-2 has a smaller community but is maintained actively. Its focus on streaming makes it a niche choice, which may limit broader community support.

How to Choose: extract-zip vs adm-zip vs unzipper vs node-unzip-2
  • extract-zip:

    Select extract-zip if your primary need is to extract zip files efficiently. It is designed specifically for extraction and provides a more focused API, making it ideal for applications that do not require zip file creation.

  • adm-zip:

    Choose adm-zip if you need a simple and straightforward API for both creating and extracting zip files. It is particularly useful for applications that require synchronous operations and do not need extensive error handling or streaming capabilities.

  • unzipper:

    Consider unzipper for its powerful streaming capabilities and support for handling large zip files. It allows for more complex operations, such as piping the output to other streams, making it a good choice for applications that need to process files in a more flexible manner.

  • node-unzip-2:

    Opt for node-unzip-2 if you require a streaming approach to unzip files, allowing for efficient memory usage when dealing with large zip files. It is suitable for applications that need to process files on-the-fly without fully loading them into memory.

README for extract-zip

extract-zip

Unzip written in pure JavaScript. Extracts a zip into a directory. Available as a library or a command line program.

Uses the yauzl ZIP parser.

NPM Uses JS Standard Style Build Status

Installation

Make sure you have Node 10 or greater installed.

Get the library:

npm install extract-zip --save

Install the command line program:

npm install extract-zip -g

JS API

const extract = require('extract-zip')

async function main () {
  try {
    await extract(source, { dir: target })
    console.log('Extraction complete')
  } catch (err) {
    // handle any errors
  }
}

Options

  • dir (required) - the path to the directory where the extracted files are written
  • defaultDirMode - integer - Directory Mode (permissions), defaults to 0o755
  • defaultFileMode - integer - File Mode (permissions), defaults to 0o644
  • onEntry - function - if present, will be called with (entry, zipfile), entry is every entry from the zip file forwarded from the entry event from yauzl. zipfile is the yauzl instance

Default modes are only used if no permissions are set in the zip file.

CLI Usage

extract-zip foo.zip <targetDirectory>

If not specified, targetDirectory will default to process.cwd().