Demo for query storing

Change-Id: I947bcac841992c3f6cfd01ab337c265b0d01cb70
diff --git a/node_modules/globby/index.js b/node_modules/globby/index.js
new file mode 100644
index 0000000..22bb640
--- /dev/null
+++ b/node_modules/globby/index.js
@@ -0,0 +1,128 @@
+'use strict';
+const arrayUnion = require('array-union');
+const glob = require('glob');
+const fastGlob = require('fast-glob');
+const dirGlob = require('dir-glob');
+const gitignore = require('./gitignore');
+
+const DEFAULT_FILTER = () => false;
+
+const isNegative = pattern => pattern[0] === '!';
+
+const assertPatternsInput = patterns => {
+	if (!patterns.every(x => typeof x === 'string')) {
+		throw new TypeError('Patterns must be a string or an array of strings');
+	}
+};
+
+const generateGlobTasks = (patterns, taskOpts) => {
+	patterns = [].concat(patterns);
+	assertPatternsInput(patterns);
+
+	const globTasks = [];
+
+	taskOpts = Object.assign({
+		ignore: [],
+		expandDirectories: true
+	}, taskOpts);
+
+	patterns.forEach((pattern, i) => {
+		if (isNegative(pattern)) {
+			return;
+		}
+
+		const ignore = patterns
+			.slice(i)
+			.filter(isNegative)
+			.map(pattern => pattern.slice(1));
+
+		const opts = Object.assign({}, taskOpts, {
+			ignore: taskOpts.ignore.concat(ignore)
+		});
+
+		globTasks.push({pattern, opts});
+	});
+
+	return globTasks;
+};
+
+const globDirs = (task, fn) => {
+	let opts = {cwd: task.opts.cwd};
+
+	if (Array.isArray(task.opts.expandDirectories)) {
+		opts = Object.assign(opts, {files: task.opts.expandDirectories});
+	} else if (typeof task.opts.expandDirectories === 'object') {
+		opts = Object.assign(opts, task.opts.expandDirectories);
+	}
+
+	return fn(task.pattern, opts);
+};
+
+const getPattern = (task, fn) => task.opts.expandDirectories ? globDirs(task, fn) : [task.pattern];
+
+module.exports = (patterns, opts) => {
+	let globTasks;
+
+	try {
+		globTasks = generateGlobTasks(patterns, opts);
+	} catch (err) {
+		return Promise.reject(err);
+	}
+
+	const getTasks = Promise.all(globTasks.map(task => Promise.resolve(getPattern(task, dirGlob))
+		.then(globs => Promise.all(globs.map(glob => ({
+			pattern: glob,
+			opts: task.opts
+		}))))
+	))
+		.then(tasks => arrayUnion.apply(null, tasks));
+
+	const getFilter = () => {
+		return Promise.resolve(
+			opts && opts.gitignore ?
+				gitignore({cwd: opts.cwd, ignore: opts.ignore}) :
+				DEFAULT_FILTER
+		);
+	};
+
+	return getFilter()
+		.then(filter => {
+			return getTasks
+				.then(tasks => Promise.all(tasks.map(task => fastGlob(task.pattern, task.opts))))
+				.then(paths => arrayUnion.apply(null, paths))
+				.then(paths => paths.filter(p => !filter(p)));
+		});
+};
+
+module.exports.sync = (patterns, opts) => {
+	const globTasks = generateGlobTasks(patterns, opts);
+
+	const getFilter = () => {
+		return opts && opts.gitignore ?
+			gitignore.sync({cwd: opts.cwd, ignore: opts.ignore}) :
+			DEFAULT_FILTER;
+	};
+
+	const tasks = globTasks.reduce((tasks, task) => {
+		const newTask = getPattern(task, dirGlob.sync).map(glob => ({
+			pattern: glob,
+			opts: task.opts
+		}));
+		return tasks.concat(newTask);
+	}, []);
+
+	const filter = getFilter();
+
+	return tasks.reduce(
+		(matches, task) => arrayUnion(matches, fastGlob.sync(task.pattern, task.opts)),
+		[]
+	).filter(p => !filter(p));
+};
+
+module.exports.generateGlobTasks = generateGlobTasks;
+
+module.exports.hasMagic = (patterns, opts) => []
+	.concat(patterns)
+	.some(pattern => glob.hasMagic(pattern, opts));
+
+module.exports.gitignore = gitignore;