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import React from 'dom-chef';
import cache from 'webext-storage-cache';
import elementReady from 'element-ready';
import * as pageDetect from 'github-url-detection';
import features from '.';
import * as api from '../github-helpers/api';
import pluralize from '../helpers/pluralize';
import {getRepoGQL} from '../github-helpers';
const getCommitChanges = cache.function(async (commit: string): Promise<[number, number]> => {
const {repository} = await api.v4(`
repository(${getRepoGQL()}) {
object(expression: "${commit}") {
... on Commit {
additions
deletions
}
}
}
`);
return [repository.object.additions, repository.object.deletions];
}, {
cacheKey: ([commit]) => 'commit-changes:' + commit
});
async function init(): Promise<void> {
const commitSha = location.pathname.split('/').pop()!;
const [additions, deletions] = await getCommitChanges(commitSha);
const tooltip = pluralize(additions + deletions, '1 line changed', '$$ lines changed');
const diffstat = await elementReady('.diffstat');
diffstat!.replaceWith(
<span className="ml-2 diffstat tooltipped tooltipped-s" aria-label={tooltip}>
<span className="text-green">+{additions}</span>{' '}
<span className="text-red">−{deletions}</span>{' '}
<span className="diffstat-block-neutral"/>
<span className="diffstat-block-neutral"/>
<span className="diffstat-block-neutral"/>
<span className="diffstat-block-neutral"/>
<span className="diffstat-block-neutral"/>
</span>
);
}
void features.add({
id: __filebasename,
description: 'Adds diff stats on PR commits.',
screenshot: 'https://user-images.githubusercontent.com/16872793/76107253-48deeb00-5fa6-11ea-9931-721cde553bdf.png'
}, {
include: [
pageDetect.isPRCommit
],
waitForDomReady: false,
init
});
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