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1// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the GNU Affero General Public License v3.0.
2// See the LICENCE file in the repository root for full licence text.
3
4export function getInt(input: unknown) {
5 if (Number.isInteger(input)) {
6 // Number.isInteger doesn't guard input as number.
7 // Reference: https://github.com/microsoft/TypeScript/issues/15048
8 return input as number;
9 }
10
11 if (typeof input === 'string') {
12 const num = parseInt(input, 10);
13
14 if (Number.isInteger(num)) {
15 return num;
16 }
17 }
18}