radh-ui/dist/esm-es5/radh-lazy-img.entry.js

Stencil Component Starter

var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
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};
var __generator = (this && this.__generator) || function (thisArg, body) {
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};
import { r as registerInstance, h, g as getElement } from './index-a9700b09.js';
var radhLazyImgCss = "img{max-width:100%}";
var RadhLazyImg = /** @class */ (function () {
    function RadhLazyImg(hostRef) {
        var _this = this;
        registerInstance(this, hostRef);
        this.onIntersection = function (entries) { return __awaiter(_this, void 0, void 0, function () {
            var _i, entries_1, entry;
            return __generator(this, function (_a) {
                for (_i = 0, entries_1 = entries; _i < entries_1.length; _i++) {
                    entry = entries_1[_i];
                    if (entry.isIntersecting) {
                        if (this.observer) {
                            this.observer.disconnect();
                        }
                        if (entry.target.getAttribute('data-src')) {
                            console.log(entry.target.getAttribute('data-src'));
                            entry.target.setAttribute('src', entry.target.getAttribute('data-src'));
                            entry.target.removeAttribute('data-src');
                        }
                    }
                }
                return [2 /*return*/];
            });
        }); };
    }
    RadhLazyImg.prototype.componentDidLoad = function () {
        return __awaiter(this, void 0, void 0, function () {
            var img;
            var _this = this;
            return __generator(this, function (_a) {
                img = this.el.shadowRoot.querySelector('img');
                if (!this.time) {
                    this.time = 0;
                }
                if (img) {
                    setTimeout(function () {
                        _this.observer = new IntersectionObserver(_this.onIntersection, { rootMargin: '100px 0px' });
                        _this.observer.observe(img);
                    }, this.time);
                }
                return [2 /*return*/];
            });
        });
    };
    RadhLazyImg.prototype.render = function () {
        return h("img", { "data-src": this.imgSrc, src: "assets/imgs/dummy-off.png" });
    };
    Object.defineProperty(RadhLazyImg.prototype, "el", {
        get: function () { return getElement(this); },
        enumerable: false,
        configurable: true
    });
    return RadhLazyImg;
}());
RadhLazyImg.style = radhLazyImgCss;
export { RadhLazyImg as radh_lazy_img };