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Refactor copy button event handler (#29379)

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Use "closest" instead of "for-loop"
This commit is contained in:
wxiaoguang
2024-02-25 12:17:11 +08:00
committed by GitHub
parent b616f666b8
commit 736c98be5c
1 changed files with 17 additions and 24 deletions
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41
web_src/js/features/clipboard.js
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@@ -5,37 +5,30 @@ import {clippie} from 'clippie';
const {copy_success, copy_error} = window.config.i18n;
// Enable clipboard copy from HTML attributes. These properties are supported:
// - data-clipboard-text: Direct text to copy, has highest precedence
// - data-clipboard-text: Direct text to copy
// - data-clipboard-target: Holds a selector for a <input> or <textarea> whose content is copied
// - data-clipboard-text-type: When set to 'url' will convert relative to absolute urls
export function initGlobalCopyToClipboardListener() {
document.addEventListener('click', (e) => {
let target = e.target;
// In case <button data-clipboard-text><svg></button>, so we just search
// up to 3 levels for performance
for (let i = 0; i < 3 && target; i++) {
let text = target.getAttribute('data-clipboard-text');
document.addEventListener('click', async (e) => {
const target = e.target.closest('[data-clipboard-text], [data-clipboard-target]');
if (!target) return;
if (!text && target.getAttribute('data-clipboard-target')) {
text = document.querySelector(target.getAttribute('data-clipboard-target'))?.value;
}
e.preventDefault();
if (text && target.getAttribute('data-clipboard-text-type') === 'url') {
text = toAbsoluteUrl(text);
}
let text;
if (target.hasAttribute('data-clipboard-text')) {
text = target.getAttribute('data-clipboard-text');
} else {
text = document.querySelector(target.getAttribute('data-clipboard-target'))?.value;
}
if (text) {
e.preventDefault();
if (text && target.getAttribute('data-clipboard-text-type') === 'url') {
text = toAbsoluteUrl(text);
}
(async() => {
const success = await clippie(text);
showTemporaryTooltip(target, success ? copy_success : copy_error);
})();
break;
}
target = target.parentElement;
if (text) {
const success = await clippie(text);
showTemporaryTooltip(target, success ? copy_success : copy_error);
}
});
}