Method update

tiling.js:3857–3883

* Updates save state based on current monitors, spaces, and layouts.

(save = true)

     * Updates save state based on current monitors, spaces, and layouts.
     */
    update(save = true) {
        if (!save) {
            return;
        }

        /**
         * For monitors, since these are upgraded with "connector" field,
         * which we delete on disable. Beefore we delete this field, we want
         * a copy on connector (and index) to restore space to monitor.
         */
        if (spaces?.monitors) {
            for (let [monitor, space] of spaces.monitors) {
                this.prevMonitors.set(monitor.connector, space.index);
            }
        }

        // store space targetx values
        this.prevTargetX = new Map();
        spaces.forEach(s => {
            if (s.getWindows().length > 0 && s.targetX !== 0) {
                this.prevTargetX.set(s.uuid, s.targetX);
            }
        });

        // save spaces (for window restore)
        this.prevSpaces = new Map(spaces);
    }

    /**
     * Prepares state for restoring on next enable.