diff options
Diffstat (limited to 'src/modules')
| -rw-r--r-- | src/modules/helpers/luhn-check.ts | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/modules/helpers/luhn-check.ts b/src/modules/helpers/luhn-check.ts index ba68b41d..42fbe1a5 100644 --- a/src/modules/helpers/luhn-check.ts +++ b/src/modules/helpers/luhn-check.ts @@ -28,7 +28,7 @@ function luhnChecksum(str: string): number { let sum = 0; let alternate = false; for (let i = str.length - 1; i >= 0; i--) { - let n = Number.parseInt(str.substring(i, i + 1)); + let n = Number.parseInt(str[i]); if (alternate) { n *= 2; if (n > 9) { |