Basic shim zip.js v1 => v2

((zipV2) => {

	window.zip = {
		set useWebWorkers(value) {
			zipV2.configure({ useWebWorkers: value });
		},
		createWriter(writer, callback, onWriterError) {
			const zipWriter = new zipV2.ZipWriter(writer);
			callback({
				add(name, reader, onend, onerror) {
					zipWriter.add(name, reader).then(onend).catch(onerror).catch(onWriterError);
				},
				close(onend, onerror) {
					zipWriter.close().then(onend).catch(onerror).catch(onWriterError);
				}
			});
		},
		createReader(reader, callback, onReaderError) {
			const zipReader = new zipV2.ZipReader(reader);
			callback({
				getEntries(onend, onerror) {
					zipReader.getEntries().then(entries => {
						onend(entries.map(entry => {
							const entryV2 = entry;
							entry = {
								filename: entryV2.filename,
								directory: entryV2.directory,
								compressedSize: entryV2.compressedSize,
								uncompressedSize: entryV2.uncompressedSize,
								lastModDate: entryV2.lastModDate,
								lastModDateRaw: entryV2.rawLastModDate,
								comment: entryV2.comment,
								crc32: entryV2.signature,
								getData(writer, onend, onerror) {
									entryV2.getData(writer).then(onend).catch(onerror).catch(onReaderError);
								}
							};
							return entry;
						}));
					}).catch(onerror).catch(onReaderError);
				},
				close(onend, onerror) {
					zipReader.close().then(onend).catch(onerror).catch(onReaderError);
				}
			});
		},
		getMimeType() {
			return zipV2.getMimeType();
		},
		BlobWriter: zipV2.BlobWriter,
		BlobReader: zipV2.BlobReader,
		Data64URIWriter: zipV2.Data64URIWriter,
		Data64URIReader: zipV2.Data64URIReader,
		TextWriter: zipV2.TextWriter,
		TextReader: zipV2.TextReader,
		HttpReader: : zipV2.HttpReader,
		HttpRangeReader: : zipV2.HttpRangeReader
	};

})(zip);