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// Clipboard helper, consolidates the ~6 duplicated copy-then-flash-label |
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// snippets and the delegated [data-copy-link] handler from mnw.js:670. Falls |
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// back to a prompt in non-secure contexts (plain HTTP, some iframes), where the |
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// old inline snippets silently no-op'd. |
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import { revertMs } from './timing.ts'; |
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/** Copy `text`, flashing `copiedLabel` on `el`, then restoring the label. |
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* |
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* The flash lasts `Intent::Revert`, which is what a temporary label lasts |
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* everywhere. `resetMs` stays in the signature for a caller with a reason, and |
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* as of `2c8cf51c` no caller has one: the seven sites that used to pass a |
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* number passed 1500 six times and 2000 once, which was a divergence rather |
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* than an axis. */ |
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export function copyWithFeedback(el: HTMLElement, text: string, copiedLabel = 'Copied!', resetMs = revertMs()): void { |
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const defaultLabel = el.textContent ?? ''; |
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const restore = () => { |
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el.textContent = defaultLabel; |
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}; |
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if (navigator.clipboard?.writeText) { |
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navigator.clipboard |
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.writeText(text) |
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.then(() => { |
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el.textContent = copiedLabel; |
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setTimeout(restore, resetMs); |
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}) |
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.catch(() => { |
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window.prompt('Copy this link:', text); |
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}); |
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} else { |
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window.prompt('Copy this link:', text); |
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} |
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} |
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/** Install the delegated `[data-copy-link]` handler. `href` stays the real |
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* destination (middle-click / no-JS / share still work); left-click copies. |
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* Ported from mnw.js:670. */ |
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export function initCopyLink(): void { |
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document.addEventListener('click', (evt) => { |
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const el = (evt.target as Element | null)?.closest<HTMLElement>('[data-copy-link]'); |
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if (!el) return; |
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evt.preventDefault(); |
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let url = el.dataset.url || el.getAttribute('href') || window.location.href; |
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if (url.charAt(0) === '/') url = window.location.origin + url; |
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const copiedLabel = el.dataset.copiedLabel || 'Copied!'; |
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copyWithFeedback(el, url, copiedLabel); |
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}); |
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} |
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