Source: map/tools/FitToScreenButton.js

import { UiElement } from '../../ui/UiElement.js';
export { FitToScreenButton };
/**
 * Simple button to fit map height to the screen
 *
 * @author rhess <robin.hess@awi.de>
 * 
 * @memberof vef.map.tools
 */
class FitToScreenButton extends UiElement {
    constructor(map, position) {
        super();
        this.map = map;
        this.position = position || "top-left";
        // initialize element
        const element = this.getElement();
        element.classList.add("vef-tool");
        element.innerHTML = "<i class='fas fa-expand'></i>"
        element.title = "Zoom to full extent";
        element.addEventListener("click", () => this.map.fitToScreen());
        this.map.addTool(this, this.position);
    }
}