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forgejo/web_src/js/markup/codecopy.js
silverwind b71850ea73
Strip trailing newline in markdown code copy (#29019)
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.
2024-02-01 15:01:48 -06:00

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646 B
JavaScript

import {svg} from '../svg.js';
export function makeCodeCopyButton() {
const button = document.createElement('button');
button.classList.add('code-copy', 'ui', 'button');
button.innerHTML = svg('octicon-copy');
return button;
}
export function renderCodeCopy() {
const els = document.querySelectorAll('.markup .code-block code');
if (!els.length) return;
for (const el of els) {
if (!el.textContent) continue;
const btn = makeCodeCopyButton();
// remove final trailing newline introduced during HTML rendering
btn.setAttribute('data-clipboard-text', el.textContent.replace(/\r?\n$/, ''));
el.after(btn);
}
}