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import React from 'dom-chef';
import select from 'select-dom';
import features from '../libs/features';
import * as icons from '../libs/icons';
import getDefaultBranch from '../libs/get-default-branch';
async function init(): Promise<void | false> {
const readmeHeader = select('#readme .Box-header h3');
if (!readmeHeader) {
return false;
}
// The button already exists on repos you can push to.
if (select.exists('a[aria-label="Edit this file"]')) {
return false;
}
const isPermalink = /Tag|Tree/.test(select('.branch-select-menu i')!.textContent!);
const filename = readmeHeader.textContent!.trim();
const pathnameParts = select<HTMLAnchorElement>(`.files [title="${filename}"]`)!.pathname.split('/');
pathnameParts[3] = 'edit'; // Replaces /blob/
if (isPermalink) {
pathnameParts[4] = await getDefaultBranch(); // Replaces /${tag|commit}/
}
readmeHeader.after(
<a href={pathnameParts.join('/')}
className="Box-btn-octicon btn-octicon float-right"
aria-label="Edit this file">
{icons.edit()}
</a>
);
}
features.add({
id: __featureName__,
description: 'Adds an Edit button on previewed Readmes in folders, even if you have to make a fork.',
screenshot: 'https://user-images.githubusercontent.com/1402241/62073307-a8378880-b26a-11e9-9e31-be6525d989d2.png',
include: [
features.isRepoTree
],
load: features.onAjaxedPages,
init
});
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