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export function ready(fn) {
document.addEventListener('DOMContentLoaded', (e) => {
fn();
}, false);
}
export function closest(el, fn) {
if (!el) {
return null;
}
while (el) {
if (fn(el)) {
return el;
}
el = el.parentNode
}
return null;
}
export function withClass(className) {
const els = document.getElementsByClassName(className);
const arr = [];
for (let i = 0; i < els.length; i++) {
arr.push(els.item(i));
}
return arr;
}
export function firstChild(el, fn) {
if (!el) {
return null;
}
for (const child of el.childNodes) {
if (child.nodeName === '#text') {
continue;
}
if (fn(child)) {
return child;
}
}
return null;
}
export function next(el, fn) {
if (!el) {
return null;
}
el = el.nextSibling;
while (el) {
if (fn(el)) {
return el;
}
el = el.nextSibling;
}
return null;
}
export function previous(el, fn) {
if (!el) {
return null;
}
el = el.previousSibling;
while (el) {
if (fn(el)) {
return el;
}
el = el.previousSibling;
}
return null;
}
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