upstream-gitea/web_src/js/features/comp/SearchUserBox.ts

import {attachSearchBox, type SearchResult} from '../../modules/search.ts';

const {appSubUrl} = window.config;
const looksLikeEmailAddressCheck = /^\S+@\S+$/;

type UserSearchResponse = {data: Array<{login: string; avatar_url: string; full_name: string}>};

export function initCompSearchUserBox() {
  const box = document.querySelector<HTMLElement>('#search-user-box');
  if (!box) return;

  const allowEmailInput = box.getAttribute('data-allow-email') === 'true';
  const allowEmailDescription = box.getAttribute('data-allow-email-description') ?? undefined;
  const includeOrgs = box.getAttribute('data-include-orgs') === 'true';
  const url = `${appSubUrl}/user/search_candidates?q={query}&orgs=${includeOrgs}`;

  attachSearchBox(box, url, (response: UserSearchResponse, query) => {
    const items: SearchResult[] = [];
    const queryUpper = query.toUpperCase();
    for (const item of response.data) {
      const result: SearchResult = {title: item.login, image: item.avatar_url, description: item.full_name};
      if (queryUpper === item.login.toUpperCase()) items.unshift(result); // exact match floats to top
      else items.push(result);
    }
    if (allowEmailInput && !items.length && looksLikeEmailAddressCheck.test(query)) {
      items.push({title: query, description: allowEmailDescription});
    }
    return items;
  });
}