blob: 4eefbabb4051f380bce8a69258e4e453333fbe7d (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
|
import {getCurrentBranchFromFeed} from './index.js';
const typesWithGitRef = new Set(['tree', 'blob', 'blame', 'edit', 'commit', 'commits', 'compare']);
const titleWithGitRef = / at (?<branch>[.\w-/]+)( · [\w-]+\/[\w-]+)?$/i;
/** This only works with URL and page title. Must not be async because it's used by GitHubURL */
export default function getCurrentGitRef(pathname = location.pathname, title = document.title): string | undefined {
if (!pathname.startsWith('/')) {
throw new TypeError(`Expected pathname starting with /, got "${pathname}"`);
}
const [type, gitRefIfNonSlashed] = pathname.split('/').slice(3);
if (!type || !typesWithGitRef.has(type)) {
// Root; or piece of information not applicable to the page
return;
}
// Slashed branches on `commits`
if (type === 'commits') {
return getCurrentBranchFromFeed()!;
}
// Slashed branches on `blob` and `tree`
const parsedTitle = titleWithGitRef.exec(title);
if (parsedTitle) {
return parsedTitle.groups!.branch;
}
// Couldn't ensure it's not slashed, so we'll return the first piece whether correct or not
// TODO: extract from `ref-selector` if available https://github.com/refined-github/refined-github/issues/6557
return gitRefIfNonSlashed;
}
|
