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
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
|
import select from 'select-dom';
import onetime from 'onetime';
import {isRepo, isPR, isIssue} from './page-detect';
export const getUsername = onetime(() => select('meta[name="user-login"]').getAttribute('content'));
export const getDiscussionNumber = () => (isPR() || isIssue()) && getCleanPathname().split('/')[3];
// Drops leading and trailing slash to avoid /\/?/ everywhere
export const getCleanPathname = () => location.pathname.replace(/^[/]|[/]$/g, '');
// Parses a repo's subpage, e.g.
// '/user/repo/issues/' -> 'issues'
// '/user/repo/' -> ''
// returns undefined if the path is not a repo
export const getRepoPath = () => {
if (isRepo()) {
return getCleanPathname().split('/').slice(2).join('/');
}
return undefined;
};
export const getRepoBranch = () => {
const [type, branch] = getCleanPathname().split('/').slice(2);
if (isRepo() && type === 'tree') {
return branch;
}
return false;
};
export const getRepoURL = () => location.pathname.slice(1).split('/', 2).join('/');
export const getOwnerAndRepo = () => {
const [, ownerName, repoName] = location.pathname.split('/', 3);
return {ownerName, repoName};
};
export const groupBy = (iterable, grouper) => {
const map = {};
for (const item of iterable) {
const key = grouper(item);
map[key] = map[key] || [];
map[key].push(item);
}
return map;
};
// Concats arrays but does so like a zipper instead of appending them
// [[0, 1, 2], [0, 1]] => [0, 0, 1, 1, 2]
// Like lodash.zip
export const flatZip = (table, limit = Infinity) => {
const maxColumns = Math.max(...table.map(row => row.length));
const zipped = [];
for (let col = 0; col < maxColumns; col++) {
for (const row of table) {
if (row[col]) {
zipped.push(row[col]);
if (zipped.length === limit) {
return zipped;
}
}
}
}
return zipped;
};
|
