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

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

import { PassThrough, Transform } from 'stream';
import TarIterator from 'tar-iterator';
let TarTransform = class TarTransform extends Transform {
    _transform(chunk, encoding, callback) {
        if (this._stream) return this._stream.write(chunk, encoding, callback);
        this._stream = new PassThrough();
        this._iterator = new TarIterator(this._stream);
        this._iterator.forEach((entry)=>{
            this.push(entry);
        }, {
            concurrency: 1
        }, (err)=>{
            if (!this._iterator) return;
            err || this.push(null);
            this._stream = null;
            this._iterator.destroy();
            this._iterator = null;
            this._callback ? this._callback(err) : this.end(err);
            this._callback = null;
        });
        this._stream.write(chunk, encoding, callback);
    }
    destroy(err) {
        if (this._stream) {
            this._stream.end(err);
            this._stream = null;
        }
        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), this._flush = function _flush(callback) {
            if (!this._stream) return callback();
            this._callback = callback;
            this._stream.end();
            this._stream = null;
        };
    }
};
export { TarTransform as default };