init.js

function InitPlan() {


    // gets the date of monday of the current week
    this.startingWeek = function() {
        let now = new Date();
        now.setDate(now.getDate() - now.getDay() + 1);
        return (now.getDate() + "-" + (now.getMonth() + 1) + "-" + now.getFullYear());
    }();

    this.weeks = {
        "0": {
            "mon": [],
            "tue": [],
            "wed": [],
            "thu": [],
            "fri": [],
            "sat": [],
            "sun": []
        }
    };

    this.topics = {};

    this.addTopic = function(topic) {
        // checks if topic exists
        if (topic in this.topics) {
            console.log("This topic already exists!");
            return;
        } else {
            this.topics = topic;
        }
    }

}