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breadcrumb-the-shire/web/js/core/app-dom.js

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2026-02-11 19:28:12 +01:00
const warned = new Set();
export const warnOnce = (code, message, details = {}) => {
const key = `${code}:${message}`;
if (warned.has(key)) {return;}
2026-02-11 19:28:12 +01:00
warned.add(key);
console.warn(`[${code}] ${message}`, details);
};
export const requireEl = (selector, details = {}) => {
const el = document.querySelector(selector);
if (!el) {
warnOnce('UI_EL_MISSING', `Missing element: ${selector}`, details);
return null;
}
return el;
};
export const requireAll = (selector, details = {}) => {
const list = Array.from(document.querySelectorAll(selector));
if (!list.length) {
warnOnce('UI_EL_MISSING', `Missing elements: ${selector}`, details);
}
return list;
};
export const optionalEl = (selector) => document.querySelector(selector);