fast-extract/dist/esm/streams/transforms/Zip.mjs

Extract contents from various archive types (tar, tar.bz2, tar.gz, tar.xz, tgz, zip)

import { Transform } from 'stream';
import ZipIterator from 'zip-iterator';
let ZipTransform = class ZipTransform extends Transform {
    _transform(chunk, _encoding, callback) {
        const fullPath = typeof chunk === 'string' ? chunk : chunk.toString();
        this._iterator = new ZipIterator(fullPath);
        this._iterator.forEach((entry)=>{
            this.push(entry);
        }, {
            concurrency: 1
        }, (err)=>{
            if (!this._iterator) return;
            err || this.push(null);
            this._iterator.destroy();
            this._iterator = null;
            this._callback ? this._callback(err) : this.end(err);
            this._callback = null;
            callback(err);
        });
    }
    _flush(callback) {
        if (!this._iterator) return callback();
        this._callback = callback;
        this._iterator.end();
    }
    destroy(err) {
        if (this._iterator) {
            const iterator = this._iterator;
            this._iterator = null;
            iterator.destroy(err);
            this.end(err);
        }
    }
    constructor(options){
        options = options ? {
            ...options,
            objectMode: true
        } : {
            objectMode: true
        };
        super(options);
    }
};
export { ZipTransform as default };