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5d1abdce3e
Behaviour now matches GH. Safeguard added in the for loop because `textContent` may be null in which case it does not make sense to render the copy button. Co-authored-by: silverwind <me@silverwind.io>
22 lines
646 B
JavaScript
22 lines
646 B
JavaScript
import {svg} from '../svg.js';
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export function makeCodeCopyButton() {
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const button = document.createElement('button');
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button.classList.add('code-copy', 'ui', 'button');
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button.innerHTML = svg('octicon-copy');
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return button;
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}
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export function renderCodeCopy() {
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const els = document.querySelectorAll('.markup .code-block code');
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if (!els.length) return;
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for (const el of els) {
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if (!el.textContent) continue;
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const btn = makeCodeCopyButton();
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// remove final trailing newline introduced during HTML rendering
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btn.setAttribute('data-clipboard-text', el.textContent.replace(/\r?\n$/, ''));
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el.after(btn);
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}
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}
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