Runzip

a recursive unzip for node, built on top of yauzl

Usage

var unzip = require("runzip");
var fs = require("fs");
var mkdirp = require("mkdirp");

function isZip(entry) {
  return /\.(zip|jar)$/.test(entry.fileName);
}

runzip.open("path/to/file.zip", { filter: isZip }, function(err, zipfile) {
  if (err) throw err;
  zipfile.on("entry", function(entry) {
    if (/\/$/.test(entry.fileName)) {
      // directory file names end with '/'
      return;
    }
    entry.openReadStream(function(err, readStream) {
      if (err) throw err;
      // entry.nestedPath is an array of the recursively nested zip filenames
      var outputDir = entry.nestedPath.join("/");
      // ensure the output directory exists
      mkdirp(outputDir);
      readStream.pipe(fs.createWriteStream(outputDir + "/" + entry.fileName));
    });
  });
});

API

The API provided is the same as yauzl, but with an additional filter option. The filter option should be a function that takes the zipfile entry object and produces a boolean indicating whether it is a nested zipfile. The default value is:

function(entry) {
  return /\.zip$/.test(entry.fileName);
}

open(path, [options], [callback])

Just like yauzl, but with an additional filter option.

fromFd(fd, [options], [callback])

Just like yauzl, but with an additional filter option.

fromBuffer(buffer, [options], [callback])

Just like yauzl, but with an additional argument that is an options object accepting a filter option.

Class: ZipFile

Same as yauzl, but each Entry has an additional nestedPath property.

Class: Entry

Same as yauzl, but with an additional property and an additional method.

nestedPath

Array of strings. This array contains the stack of filenames of the recursively nested zip files containing this entry.

openReadStream(callback)

Produces a readable stream for this entry's contents, similar to zipfile.openReadStream(entry, callback) in yauzl.

License

MIT