Demo for query storing

Change-Id: I947bcac841992c3f6cfd01ab337c265b0d01cb70
diff --git a/node_modules/make-dir/index.js b/node_modules/make-dir/index.js
new file mode 100644
index 0000000..1843955
--- /dev/null
+++ b/node_modules/make-dir/index.js
@@ -0,0 +1,85 @@
+'use strict';
+const fs = require('fs');
+const path = require('path');
+const pify = require('pify');
+
+const defaults = {
+	mode: 0o777 & (~process.umask()),
+	fs
+};
+
+// https://github.com/nodejs/node/issues/8987
+// https://github.com/libuv/libuv/pull/1088
+const checkPath = pth => {
+	if (process.platform === 'win32') {
+		const pathHasInvalidWinCharacters = /[<>:"|?*]/.test(pth.replace(path.parse(pth).root, ''));
+
+		if (pathHasInvalidWinCharacters) {
+			const err = new Error(`Path contains invalid characters: ${pth}`);
+			err.code = 'EINVAL';
+			throw err;
+		}
+	}
+};
+
+module.exports = (input, opts) => Promise.resolve().then(() => {
+	checkPath(input);
+	opts = Object.assign({}, defaults, opts);
+
+	const mkdir = pify(opts.fs.mkdir);
+	const stat = pify(opts.fs.stat);
+
+	const make = pth => {
+		return mkdir(pth, opts.mode)
+			.then(() => pth)
+			.catch(err => {
+				if (err.code === 'ENOENT') {
+					if (err.message.includes('null bytes') || path.dirname(pth) === pth) {
+						throw err;
+					}
+
+					return make(path.dirname(pth)).then(() => make(pth));
+				}
+
+				return stat(pth)
+					.then(stats => stats.isDirectory() ? pth : Promise.reject())
+					.catch(() => {
+						throw err;
+					});
+			});
+	};
+
+	return make(path.resolve(input));
+});
+
+module.exports.sync = (input, opts) => {
+	checkPath(input);
+	opts = Object.assign({}, defaults, opts);
+
+	const make = pth => {
+		try {
+			opts.fs.mkdirSync(pth, opts.mode);
+		} catch (err) {
+			if (err.code === 'ENOENT') {
+				if (err.message.includes('null bytes') || path.dirname(pth) === pth) {
+					throw err;
+				}
+
+				make(path.dirname(pth));
+				return make(pth);
+			}
+
+			try {
+				if (!opts.fs.statSync(pth).isDirectory()) {
+					throw new Error('The path is not a directory');
+				}
+			} catch (_) {
+				throw err;
+			}
+		}
+
+		return pth;
+	};
+
+	return make(path.resolve(input));
+};