Do not pass mode for directories to YAZL.

This allows directories to be crated with their default platform-appropriate mode (0775).

index.js

@@ -35,9 +35,10 @@ module.exports = (filename, options) => {
 		if (file.isNull() && file.stat && file.stat.isDirectory && file.stat.isDirectory()) {
 			zip.addEmptyDirectory(pathname, {
 				mtime: options.modifiedTime || file.stat.mtime || new Date(),
-				// Set executable bit on directories if any other bits are set for that user/group/all
-				// Fixes creating unusable zip files on platforms that do not use an executable bit
-				mode: file.stat.mode | (((file.stat.mode >> 1) | (file.stat.mode >> 2)) & 0o111)
+				// Do *not* pass a mode for a directory, creates platform-dependent zip
+				//   files (zip files created on Windows that cannot be opened on MacOS).
+				// Re-enable if this PR is resolved: https://github.com/thejoshwolfe/yazl/pull/59
+				// mode: file.stat.mode
 			});
 		} else {
 			const stat = {

test.js

@@ -97,7 +97,7 @@ test.cb('should not skip empty directories', t => {
 		isDirectory() {
 			return true;
 		},
-		mode: 0o644
+		mode: 0o664
 	};
 
 	unzipper.on('data', file => {
@@ -106,7 +106,7 @@ test.cb('should not skip empty directories', t => {
 
 	unzipper.on('end', () => {
 		t.is(files[0].path, 'foo');
-		t.is(files[0].stat.mode, 0o755);
+		t.is(files[0].stat.mode, 0o775);
 		t.end();
 	});