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import React from 'dom-chef';
import elementReady from 'element-ready';
import * as pageDetect from 'github-url-detection';
import ChevronLeftIcon from 'octicon/chevron-left.svg';
import features from '../libs/features';
import {groupButtons} from '../libs/group-buttons';
import getDefaultBranch from '../libs/get-default-branch';
import {getRepoURL, getCurrentBranch, replaceBranch} from '../libs/utils';
async function init(): Promise<false | void> {
const defaultBranch = await getDefaultBranch();
const currentBranch = getCurrentBranch();
// Don't show the button if we’re already on the default branch
if (defaultBranch === currentBranch) {
return false;
}
let url;
if (pageDetect.isRepoRoot()) {
url = `/${getRepoURL()}`;
} else {
url = replaceBranch(currentBranch, defaultBranch);
}
const branchSelector = (await elementReady('#branch-select-menu'))!;
const defaultLink = (
<a
className="btn btn-sm tooltipped tooltipped-ne"
href={url}
aria-label="See this view on the default branch"
>
<ChevronLeftIcon/>
</a>
);
branchSelector.before(defaultLink);
const group = groupButtons([defaultLink, branchSelector]);
group.classList.add('m-0');
group.parentElement!.classList.add('flex-shrink-0');
}
features.add({
id: __filebasename,
description: 'Adds link the default branch on directory listings and files.',
screenshot: 'https://user-images.githubusercontent.com/1402241/71886648-2891dc00-316f-11ea-98d8-c5bf6c24d85c.png'
}, {
include: [
pageDetect.isRepoTree,
pageDetect.isSingleFile,
pageDetect.isRepoCommitList
],
waitForDomReady: false,
init
});
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