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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.
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@ -12,8 +12,10 @@ export function renderCodeCopy() {
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if (!els.length) return;
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if (!els.length) return;
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for (const el of els) {
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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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const btn = makeCodeCopyButton();
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btn.setAttribute('data-clipboard-text', el.textContent);
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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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el.after(btn);
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}
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}
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}
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}
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