adm-zip
Javascript implementation of zip for nodejs with support for electron original-fs. Allows user to create or extract zip files both in memory or to/from disk
Last updated a year ago by cthackers .
MIT · Repository · Bugs · Original npm · Tarball · package.json
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ADM-ZIP for NodeJS with added support for electron original-fs

ADM-ZIP is a pure JavaScript implementation for zip data compression for NodeJS.

Installation

With npm do:

$ npm install adm-zip

What is it good for?

The library allows you to:

  • decompress zip files directly to disk or in memory buffers
  • compress files and store them to disk in .zip format or in compressed buffers
  • update content of/add new/delete files from an existing .zip

Dependencies

There are no other nodeJS libraries that ADM-ZIP is dependent of

Examples

Basic usage


	var AdmZip = require('adm-zip');

	// reading archives
	var zip = new AdmZip("./my_file.zip");
	var zipEntries = zip.getEntries(); // an array of ZipEntry records

	zipEntries.forEach(function(zipEntry) {
	    console.log(zipEntry.toString()); // outputs zip entries information
		if (zipEntry.entryName == "my_file.txt") {
		     console.log(zipEntry.getData().toString('utf8')); 
		}
	});
	// outputs the content of some_folder/my_file.txt
	console.log(zip.readAsText("some_folder/my_file.txt")); 
	// extracts the specified file to the specified location
	zip.extractEntryTo(/*entry name*/"some_folder/my_file.txt", /*target path*/"/home/me/tempfolder", /*maintainEntryPath*/false, /*overwrite*/true);
	// extracts everything
	zip.extractAllTo(/*target path*/"/home/me/zipcontent/", /*overwrite*/true);
	
	
	// creating archives
	var zip = new AdmZip();
	
	// add file directly
	var content = "inner content of the file";
	zip.addFile("test.txt", Buffer.alloc(content.length, content), "entry comment goes here");
	// add local file
	zip.addLocalFile("/home/me/some_picture.png");
	// get everything as a buffer
	var willSendthis = zip.toBuffer();
	// or write everything to disk
	zip.writeZip(/*target file name*/"/home/me/files.zip");
	
	
	// ... more examples in the wiki

For more detailed information please check out the wiki.

build status

Current Tags

  • 0.4.13                                ...           latest (a year ago)

21 Versions

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  • 0.1.1                                ...           8 years ago
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