@rxap/data-grid/compodoc/js/lazy-load-graphs.js

Provides a data grid component for Angular applications. It supports plain and form modes, custom header and cell templates, and integration with Rxap Forms and Data Sources. The component allows for displaying and editing data in a tabular format with fe

document.addEventListener('DOMContentLoaded', function() {
    var lazyGraphs = [].slice.call(document.querySelectorAll('[lazy]'));
    var active = false;

    var lazyLoad = function() {
        if (active === false) {
            active = true;

            setTimeout(function() {
                lazyGraphs.forEach(function(lazyGraph) {
                    if (
                        lazyGraph.getBoundingClientRect().top <= window.innerHeight &&
                        lazyGraph.getBoundingClientRect().bottom >= 0 &&
                        getComputedStyle(lazyGraph).display !== 'none'
                    ) {
                        lazyGraph.data = lazyGraph.getAttribute('lazy');
                        lazyGraph.removeAttribute('lazy');

                        lazyGraphs = lazyGraphs.filter(function(image) { return image !== lazyGraph});

                        if (lazyGraphs.length === 0) {
                            document.removeEventListener('scroll', lazyLoad);
                            window.removeEventListener('resize', lazyLoad);
                            window.removeEventListener('orientationchange', lazyLoad);
                        }
                    }
                });

                active = false;
            }, 200);
        }
    };

    // initial load
    lazyLoad();

    var container = document.querySelector('.container-fluid.modules');
    if (container) {
        container.addEventListener('scroll', lazyLoad);
        window.addEventListener('resize', lazyLoad);
        window.addEventListener('orientationchange', lazyLoad);
    }

});