json-summary

#!/usr/bin/env node

"use strict";

(async(file) => {
	try {
		if (!file) throw new Error('Usage: file')
		var data = await require('fs-extra-promise').readJsonAsync(file);
		console.log('windows', data.tabGroups.length);
		console.log('tabs', data.tabGroups.reduce((count, w) => count + w.tabsMeta.length, 0));
	} catch (e) {
		console.log(e);
	}
})(process.argv[2]);