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import React from 'dom-chef';
import select from 'select-dom';
import cache from 'webext-storage-cache';
import * as api from '../libs/api';
import features from '../libs/features';
import {getRepoURL, getRepoGQL} from '../libs/utils';
import {isSingleFile} from '../libs/page-detect';
import getDefaultBranch from '../libs/get-default-branch';
import {groupSiblings} from '../libs/group-buttons';
import * as icons from '../libs/icons';
async function init(): Promise<void> {
// `clipboard-copy` on blob page, `#blob-edit-path` on edit page
const path = select('clipboard-copy, #blob-edit-path')!.getAttribute('value')!;
const {[path]: prs} = await getPrsByFile();
if (!prs) {
return;
}
const wrapper = <span className="ml-2" />;
for (const pr of prs) {
wrapper.append(
<a
href={`/${getRepoURL()}/pull/${pr}/files`}
className="btn btn-sm btn-outline tooltipped tooltipped-ne"
aria-label={`This file is touched by PR #${pr}`}>
{icons.openPullRequest()} #{pr}
</a>
);
}
if (isSingleFile()) {
select('.breadcrumb')!.before(wrapper);
} else {
wrapper.style.cssText = 'margin-top: -0.8em; margin-bottom: -0.5em;'; // Vertical alignment
select('.file')!.after(
<div className="form-warning p-3 mb-3 mx-lg-3">
Careful, some open PRs are already touching this file {wrapper}
</div>
);
}
if (wrapper.children.length > 1) {
wrapper.classList.add('BtnGroup'); // Avoids extra wrapper
groupSiblings(wrapper.firstElementChild!);
}
}
/**
@returns prsByFile {"filename1": [10, 3], "filename2": [2]}
*/
async function getPrsByFile(): Promise<Record<string, number[]>> {
const cacheKey = `list-prs-for-file:${getRepoURL()}`;
const cachedFiles = await cache.get<Record<string, number[]>>(cacheKey);
if (cachedFiles !== undefined) {
return cachedFiles;
}
const {repository} = await api.v4(`
repository(${getRepoGQL()}) {
pullRequests(
first: 25,
states: OPEN,
baseRefName: "${await getDefaultBranch()}",
orderBy: {
field: UPDATED_AT,
direction: DESC
}
) {
nodes {
number
files(first: 100) {
nodes {
path
}
}
}
}
}
`);
const files: Record<string, number[]> = {};
for (const pr of repository.pullRequests.nodes) {
for (const {path} of pr.files.nodes) {
files[path] = files[path] || [];
if (files[path].length < 10) {
files[path].push(pr.number);
}
}
}
cache.set(cacheKey, files, 3);
return files;
}
features.add({
id: __featureName__,
description: 'Shows PRs that touch the current file.',
screenshot: 'https://user-images.githubusercontent.com/55841/60622834-879e1f00-9de1-11e9-9a9e-bae5ec0b3728.png',
include: [
features.isEditingFile,
features.isSingleFile
],
load: features.onAjaxedPages,
init
});
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