Current Dev State

static/js/ketcher2/node_modules/gulp-zip/index.js

@@ -0,0 +1,74 @@
+'use strict';
+const path = require('path');
+const gutil = require('gulp-util');
+const through = require('through2');
+const Yazl = require('yazl');
+const getStream = require('get-stream');
+
+module.exports = (filename, opts) => {
+	if (!filename) {
+		throw new gutil.PluginError('gulp-zip', '`filename` required');
+	}
+
+	opts = Object.assign({
+		compress: true
+	}, opts);
+
+	let firstFile;
+	const zip = new Yazl.ZipFile();
+
+	return through.obj((file, enc, cb) => {
+		if (!firstFile) {
+			firstFile = file;
+		}
+
+		// Because Windows...
+		const pathname = file.relative.replace(/\\/g, '/');
+
+		if (!pathname) {
+			cb();
+			return;
+		}
+
+		if (file.isNull() && file.stat && file.stat.isDirectory && file.stat.isDirectory()) {
+			zip.addEmptyDirectory(pathname, {
+				mtime: file.stat.mtime || new Date(),
+				mode: file.stat.mode
+			});
+		} else {
+			const stat = {
+				compress: opts.compress,
+				mtime: file.stat ? file.stat.mtime : new Date(),
+				mode: file.stat ? file.stat.mode : null
+			};
+
+			if (file.isStream()) {
+				zip.addReadStream(file.contents, pathname, stat);
+			}
+
+			if (file.isBuffer()) {
+				zip.addBuffer(file.contents, pathname, stat);
+			}
+		}
+
+		cb();
+	}, function (cb) {
+		if (!firstFile) {
+			cb();
+			return;
+		}
+
+		getStream.buffer(zip.outputStream).then(data => {
+			this.push(new gutil.File({
+				cwd: firstFile.cwd,
+				base: firstFile.base,
+				path: path.join(firstFile.base, filename),
+				contents: data
+			}));
+
+			cb(); // eslint-disable-line promise/no-callback-in-promise
+		});
+
+		zip.end();
+	});
+};