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import twas from 'twas';
import cache from 'webext-storage-cache';
import React from 'dom-chef';
import {RepoIcon} from '@primer/octicons-react';
import elementReady from 'element-ready';
import * as pageDetect from 'github-url-detection';
import features from '.';
import * as api from '../github-helpers/api';
import {getRepo} from '../github-helpers';
interface CommitTarget {
oid: string;
committedDate: string;
resourcePath: string;
history: {
totalCount: number;
};
}
const fresh = [
'Freshly baked',
'Freshly brewed',
'Newly minted',
'Hot off the presses',
'Straight out of the oven',
'Still hot',
'Smells fresh',
'Just a baby',
'It’s my birthday',
'So it begins, the great battle of our time',
];
const dateFormatter = new Intl.DateTimeFormat('en-US', {
year: 'numeric',
month: 'long',
day: 'numeric',
});
const getRepoAge = async (commitSha: string, commitsCount: number): Promise<[committedDate: string, resourcePath: string]> => {
const {repository} = await api.v4(`
repository() {
defaultBranchRef {
target {
... on Commit {
history(first: 5, after: "${commitSha} ${commitsCount - Math.min(6, commitsCount)}") {
nodes {
committedDate
resourcePath
}
}
}
}
}
}
`);
const {committedDate, resourcePath} = repository.defaultBranchRef.target.history.nodes
.reverse()
// Filter out any invalid commit dates #3185
.find((commit: CommitTarget) => new Date(commit.committedDate).getFullYear() > 1970);
return [committedDate, resourcePath];
};
const getFirstCommit = cache.function(async (): Promise<[committedDate: string, resourcePath: string]> => {
const {repository} = await api.v4(`
repository() {
defaultBranchRef {
target {
... on Commit {
oid
committedDate
resourcePath
history {
totalCount
}
}
}
}
}
`);
const {oid: commitSha, history, committedDate, resourcePath} = repository.defaultBranchRef.target as CommitTarget;
const commitsCount = history.totalCount;
if (commitsCount === 1) {
return [committedDate, resourcePath];
}
return getRepoAge(commitSha, commitsCount);
}, {
cacheKey: () => __filebasename + ':' + getRepo()!.nameWithOwner,
});
async function init(): Promise<void> {
const [firstCommitDate, firstCommitHref] = await getFirstCommit()!;
const birthday = new Date(firstCommitDate);
// `twas` could also return `an hour ago` or `just now`
const [value, unit] = twas(birthday.getTime())
.replace('just now', '1 second')
.replace(/^an?/, '1')
.split(' ');
// About a day old or less ?
const age = Date.now() - birthday.getTime() < 10e7
? fresh[Math.floor(Math.random() * fresh.length)]
: `${value} ${unit} old`;
const sidebarAboutSection = await elementReady('.repository-content .BorderGrid-cell');
sidebarAboutSection!.append(
<h3 className="sr-only">Repository age</h3>,
<div className="mt-3">
<a href={firstCommitHref} className="muted-link Link--muted" title={`First commit dated ${dateFormatter.format(birthday)}`}>
<RepoIcon className="mr-2"/>{age}
</a>
</div>,
);
}
void features.add(__filebasename, {
include: [
pageDetect.isRepoRoot,
],
exclude: [
pageDetect.isEmptyRepoRoot,
],
awaitDomReady: false,
init,
});
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