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
|
import _ from 'lodash';
import type { GroupPermissions, Permissions } from './chmod-calculator.types';
export { computeChmodOctalRepresentation, computeChmodSymbolicRepresentation };
function computeChmodOctalRepresentation({ permissions }: { permissions: Permissions }): string {
const permissionValue = { read: 4, write: 2, execute: 1 };
const getGroupPermissionValue = (permission: GroupPermissions) =>
_.reduce(permission, (acc, isPermSet, key) => acc + (isPermSet ? _.get(permissionValue, key, 0) : 0), 0);
return [
getGroupPermissionValue(permissions.owner),
getGroupPermissionValue(permissions.group),
getGroupPermissionValue(permissions.public),
].join('');
}
function computeChmodSymbolicRepresentation({ permissions }: { permissions: Permissions }): string {
const permissionValue = { read: 'r', write: 'w', execute: 'x' };
const getGroupPermissionValue = (permission: GroupPermissions) =>
_.reduce(permission, (acc, isPermSet, key) => acc + (isPermSet ? _.get(permissionValue, key, '') : '-'), '');
return [
getGroupPermissionValue(permissions.owner),
getGroupPermissionValue(permissions.group),
getGroupPermissionValue(permissions.public),
].join('');
}
|
