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const UI = {
createElement: config => {
if (!config) return;
const elementType = config.element || "div";
const element = document.createElement(elementType);
Object.keys(config).forEach(property => {
const value = config[property];
switch (property.toLowerCase()) {
case "id":
case "src":
case "style":
case "placeholder":
case "title":
case "accept":
element.setAttribute(property, value);
return;
case "classname":
element.setAttribute("class", value);
return;
case "colspan":
element.setAttribute("colspan", value);
return;
case "text":
element.innerText = value;
return;
case "value":
element.value = value;
return;
case "html":
element.innerHTML = value;
return;
case "onclick":
element.onclick = value.bind(element);
return;
case "onchange":
element.onchange = value.bind(element);
return;
case "onkeydown":
element.onkeydown = value.bind(element);
return;
case "onkeyup":
element.onkeyup = value.bind(element);
return;
case "type":
if (elementType === "input") element.setAttribute("type", value);
return;
case "children":
if (value instanceof Array) {
value.forEach(child => {
const childElement =
child instanceof Element ? child : UI.createElement(child);
if (!childElement) return;
element.appendChild(childElement);
});
} else {
const child = value;
const childElement =
child instanceof Element ? child : UI.createElement(child);
if (!childElement) return;
element.appendChild(childElement);
element.appendChild(childElement);
}
return;
case "disabled":
if (value) element.setAttribute("disabled", true);
return;
case "checked":
if (value) element.setAttribute("checked", true);
return;
case "indeterminate":
element.indeterminate = value;
return;
}
});
return element;
},
getElement: id => {
return document.getElementById(id);
},
getRoot: () => {
return document.getElementsByTagName("body")[0];
},
scrollPositions: {},
saveScrollPosition: elementId => {
let scrollElement = UI.getElement(elementId);
if (!scrollElement) return;
UI.scrollPositions[elementId] = {
scrollLeft: scrollElement.scrollLeft,
scrollRight: scrollElement.scrollRight
};
},
loadScrollPosition: elementId => {
let scrollElement = UI.getElement(elementId);
if (!scrollElement) return;
if (!UI.scrollPositions[elementId]) return;
scrollElement.scrollLeft = UI.scrollPositions[elementId].scrollLeft;
scrollElement.scrollRight = UI.scrollPositions[elementId].scrollRight;
}
};
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