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	The "btn-octicon is-loading" was introduced by #21842 , it is only used by the "Copy Content" button, but the "btn-octicon" selector would affect too many uncertain elements. Now there is a general "small-loading-icon" class, so the "btn-octicon is-loading" could be removed.
		
			
				
	
	
		
			56 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			56 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
import {clippie} from 'clippie';
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import {showTemporaryTooltip} from '../modules/tippy.js';
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import {convertImage} from '../utils.js';
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const {i18n} = window.config;
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export function initCopyContent() {
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  const btn = document.getElementById('copy-content');
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  if (!btn || btn.classList.contains('disabled')) return;
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  btn.addEventListener('click', async () => {
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    if (btn.classList.contains('is-loading')) return;
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    let content;
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    let isRasterImage = false;
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    const link = btn.getAttribute('data-link');
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    // when data-link is present, we perform a fetch. this is either because
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    // the text to copy is not in the DOM or it is an image which should be
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    // fetched to copy in full resolution
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    if (link) {
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      btn.classList.add('is-loading', 'small-loading-icon');
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      try {
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        const res = await fetch(link, {credentials: 'include', redirect: 'follow'});
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        const contentType = res.headers.get('content-type');
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        if (contentType.startsWith('image/') && !contentType.startsWith('image/svg')) {
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          isRasterImage = true;
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          content = await res.blob();
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        } else {
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          content = await res.text();
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        }
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      } catch {
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        return showTemporaryTooltip(btn, i18n.copy_error);
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      } finally {
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        btn.classList.remove('is-loading', 'small-loading-icon');
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      }
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    } else { // text, read from DOM
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      const lineEls = document.querySelectorAll('.file-view .lines-code');
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      content = Array.from(lineEls, (el) => el.textContent).join('');
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    }
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    // try copy original first, if that fails and it's an image, convert it to png
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    const success = await clippie(content);
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    if (success) {
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      showTemporaryTooltip(btn, i18n.copy_success);
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    } else {
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      if (isRasterImage) {
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        const success = await clippie(await convertImage(content, 'image/png'));
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        showTemporaryTooltip(btn, success ? i18n.copy_success : i18n.copy_error);
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      } else {
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        showTemporaryTooltip(btn, i18n.copy_error);
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      }
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    }
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  });
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}
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