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Replace clipboard.js with async clipboard api (#15899)

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Use async clipboard api [1] over this dependency, saving around 10kB
bundle size before minify while delivering the same functionality.

The issue comment button works but does not have a popup indication. We
could add some toast-style notifications in the future to fix that but I
think it's out of scope of this PR.

[1] https://developer.mozilla.org/en-US/docs/Web/API/Clipboard/writeText
This commit is contained in:
silverwind
2021-05-30 21:15:57 +02:00
committed by GitHub
parent 36dce0e457
commit 37205039fc
5 changed files with 38 additions and 90 deletions
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56
web_src/js/features/clipboard.js
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@@ -1,22 +1,38 @@
export default async function initClipboard() {
const els = document.querySelectorAll('.clipboard');
if (!els || !els.length) return;
const selector = '[data-clipboard-target], [data-clipboard-text]';
const {default: ClipboardJS} = await import(/* webpackChunkName: "clipboard" */'clipboard');
const clipboard = new ClipboardJS(els);
clipboard.on('success', (e) => {
e.clearSelection();
$(e.trigger).popup('destroy');
e.trigger.dataset.content = e.trigger.dataset.success;
$(e.trigger).popup('show');
e.trigger.dataset.content = e.trigger.dataset.original;
});
clipboard.on('error', (e) => {
$(e.trigger).popup('destroy');
e.trigger.dataset.content = e.trigger.dataset.error;
$(e.trigger).popup('show');
e.trigger.dataset.content = e.trigger.dataset.original;
});
// TODO: replace these with toast-style notifications
function onSuccess(btn) {
if (!btn.dataset.content) return;
$(btn).popup('destroy');
btn.dataset.content = btn.dataset.success;
$(btn).popup('show');
btn.dataset.content = btn.dataset.original;
}
function onError(btn) {
if (!btn.dataset.content) return;
$(btn).popup('destroy');
btn.dataset.content = btn.dataset.error;
$(btn).popup('show');
btn.dataset.content = btn.dataset.original;
}
export default async function initClipboard() {
for (const btn of document.querySelectorAll(selector) || []) {
btn.addEventListener('click', async () => {
let text;
if (btn.dataset.clipboardText) {
text = btn.dataset.clipboardText;
} else if (btn.dataset.clipboardTarget) {
text = document.querySelector(btn.dataset.clipboardTarget)?.value;
}
if (!text) return;
try {
await navigator.clipboard.writeText(text);
onSuccess(btn);
} catch {
onError(btn);
}
});
}
}