gitea/web_src/js/features/clipboard.ts

import {showTemporaryTooltip} from '../modules/tippy.ts';
import {toAbsoluteUrl} from '../utils.ts';
import {clippie} from 'clippie';

const {copy_success, copy_error} = window.config.i18n;

// Enable clipboard copy from HTML attributes. These properties are supported:
// - data-clipboard-text: Direct text to copy
// - data-clipboard-target: Holds a selector for an element. "value" of <input> or <textarea>, or "textContent" of <div> will be copied
// - data-clipboard-text-type: When set to 'url' will convert relative to absolute urls
export function initGlobalCopyToClipboardListener() {
  document.addEventListener('click', async (e) => {
    const target = (e.target as HTMLElement).closest('[data-clipboard-text], [data-clipboard-target]');
    if (!target) return;

    e.preventDefault();

    let text = target.getAttribute('data-clipboard-text');
    if (text === null) {
      const textSelector = target.getAttribute('data-clipboard-target')!;
      const textTarget = document.querySelector(textSelector)!;
      if (textTarget.nodeName === 'INPUT' || textTarget.nodeName === 'TEXTAREA') {
        text = (textTarget as HTMLInputElement | HTMLTextAreaElement).value;
      } else if (textTarget.nodeName === 'DIV') {
        text = textTarget.textContent;
      } else {
        throw new Error(`Unsupported element for clipboard target: ${textSelector}`);
      }
    }

    if (text && target.getAttribute('data-clipboard-text-type') === 'url') {
      text = toAbsoluteUrl(text);
    }

    if (text) {
      const success = await clippie(text);
      showTemporaryTooltip(target, success ? copy_success : copy_error);
    }
  });
}