(value: string)
| 6 | * @throws {Error} If the integer string is invalid. |
| 7 | */ |
| 8 | export function parseInteger(value: string): number { |
| 9 | const number = Number.parseInt(value, 10) |
| 10 | |
| 11 | if (isNaN(number)) { |
| 12 | throw new Error(`Invalid integer: ${value}`) |
| 13 | } |
| 14 | |
| 15 | // Ensure we don't have trailing characters that were ignored by `parseInt`. |
| 16 | if (number.toString() !== value) { |
| 17 | throw new Error(`Invalid integer: ${value}`) |
| 18 | } |
| 19 | |
| 20 | return number |
| 21 | } |
no test coverage detected