Function closeFile

index-native.cjs:5571–5785

(zipWriter, comment, options)

async function closeFile(zipWriter, comment, options) {
	const { files, writer } = zipWriter;
	const { diskOffset } = writer;
	let { diskNumber } = writer;
	let offset = 0;
	let directoryDataLength = 0;
	let directoryOffset = zipWriter.offset - diskOffset;
	let filesLength = files.size;
	for (const [, fileEntry] of files) {
		const {
			rawFilename,
			rawExtraFieldAES,
			rawComment,
			rawExtraFieldNTFS,
			rawExtraFieldUnix,
			rawExtraField,
			extendedTimestamp,
			extraFieldExtendedTimestampFlag,
			lastModDate,
			zip64UncompressedSize,
			zip64CompressedSize,
			uncompressedSize,
			compressedSize
		} = fileEntry;
		const zip64Offset = fileEntry.offset > MAX_32_BITS;
		const zip64DiskNumberStart = fileEntry.diskNumberStart > MAX_16_BITS;
		let rawExtraFieldZip64;
		if (zip64Offset || zip64DiskNumberStart || zip64UncompressedSize || zip64CompressedSize) {
			let length = 4;
			if (zip64UncompressedSize) length += 8;
			if (zip64CompressedSize) length += 8;
			if (zip64Offset) length += 8;
			if (zip64DiskNumberStart) length += 4;
			rawExtraFieldZip64 = new Uint8Array(length);
			const zip64View = getDataView(rawExtraFieldZip64);
			setUint16(zip64View, 0, EXTRAFIELD_TYPE_ZIP64);
			setUint16(zip64View, 2, length - 4);
			let zip64FieldOffset = 4;
			if (zip64UncompressedSize) { setBigUint64(zip64View, zip64FieldOffset, BigInt(uncompressedSize)); zip64FieldOffset += 8; }
			if (zip64CompressedSize) { setBigUint64(zip64View, zip64FieldOffset, BigInt(compressedSize)); zip64FieldOffset += 8; }
			if (zip64Offset) { setBigUint64(zip64View, zip64FieldOffset, BigInt(fileEntry.offset)); zip64FieldOffset += 8; }
			if (zip64DiskNumberStart) { setUint32(zip64View, zip64FieldOffset, fileEntry.diskNumberStart); }
		} else {
			rawExtraFieldZip64 = new Uint8Array();
		}
		fileEntry.rawExtraFieldZip64 = rawExtraFieldZip64;
		fileEntry.zip64Offset = zip64Offset;
		fileEntry.zip64DiskNumberStart = zip64DiskNumberStart;
		let rawExtraFieldTimestamp;
		if (extendedTimestamp) {
			rawExtraFieldTimestamp = new Uint8Array(9);
			const extraFieldExtendedTimestampView = getDataView(rawExtraFieldTimestamp);
			setUint16(extraFieldExtendedTimestampView, 0, EXTRAFIELD_TYPE_EXTENDED_TIMESTAMP);
			setUint16(extraFieldExtendedTimestampView, 2, 5);
			setUint8(extraFieldExtendedTimestampView, 4, extraFieldExtendedTimestampFlag);
			setUint32(extraFieldExtendedTimestampView, 5, Math.floor(lastModDate.getTime() / 1000));
		} else {
			rawExtraFieldTimestamp = new Uint8Array();