Tech Debt - Find globals on window

GlobalTester.js

// adapted from: http://stackoverflow.com/a/14063123
// this would be useful as a Chrome extension

class GlobalTester {
    static fields = {};

    static before () {
        for (let field in window) {
            if (window.hasOwnProperty(field)) {
                GlobalTester.fields[field] = true;
            }
        }
    }

    static after () {
        for (let field in window) {
            if (!GlobalTester.fields[field]) {
                console.warn(`Detected extra window property: ${field}`);
            }
        }
    }
}

GlobalTester.before(window);


window.setTimeout(GlobalTester.after, 10 * 1000);