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forgejo/web_src/js/features/copycontent.js
silverwind 2cf0cf0de1
JS refactors (#22227)
- Replace all default exports with named exports, except for Vue SFCs
- Remove names from Vue SFCs, they are automatically inferred from the
filename
- Misc whitespace-related tweaks
2022-12-24 00:03:11 +08:00

60 lines
2 KiB
JavaScript

import {copyToClipboard} from './clipboard.js';
import {showTemporaryTooltip} from '../modules/tippy.js';
import {convertImage} from '../utils.js';
const {i18n} = window.config;
async function doCopy(content, btn) {
const success = await copyToClipboard(content);
showTemporaryTooltip(btn, success ? i18n.copy_success : i18n.copy_error);
}
export function initCopyContent() {
const btn = document.getElementById('copy-content');
if (!btn || btn.classList.contains('disabled')) return;
btn.addEventListener('click', async () => {
if (btn.classList.contains('is-loading')) return;
let content, isImage;
const link = btn.getAttribute('data-link');
// when data-link is present, we perform a fetch. this is either because
// the text to copy is not in the DOM or it is an image which should be
// fetched to copy in full resolution
if (link) {
btn.classList.add('is-loading');
try {
const res = await fetch(link, {credentials: 'include', redirect: 'follow'});
const contentType = res.headers.get('content-type');
if (contentType.startsWith('image/') && !contentType.startsWith('image/svg')) {
isImage = true;
content = await res.blob();
} else {
content = await res.text();
}
} catch {
return showTemporaryTooltip(btn, i18n.copy_error);
} finally {
btn.classList.remove('is-loading');
}
} else { // text, read from DOM
const lineEls = document.querySelectorAll('.file-view .lines-code');
content = Array.from(lineEls).map((el) => el.textContent).join('');
}
try {
await doCopy(content, btn);
} catch {
if (isImage) { // convert image to png as last-resort as some browser only support png copy
try {
await doCopy(await convertImage(content, 'image/png'), btn);
} catch {
showTemporaryTooltip(btn, i18n.copy_error);
}
} else {
showTemporaryTooltip(btn, i18n.copy_error);
}
}
});
}