(name: string, value: string | undefined)
| 48 | }; |
| 49 | |
| 50 | function parseNumberOption(name: string, value: string | undefined) { |
| 51 | if (value === undefined) { |
| 52 | throw new Error(`Missing value for ${name}.`); |
| 53 | } |
| 54 | |
| 55 | const parsed = Number(value); |
| 56 | if (!Number.isFinite(parsed) || parsed < 0) { |
| 57 | throw new Error(`Expected ${name} to be a non-negative number.`); |
| 58 | } |
| 59 | |
| 60 | return parsed; |
| 61 | } |
| 62 | |
| 63 | /** Parse a small flag set without pulling benchmark-only dependencies into the app. */ |
| 64 | function parseArgs(argv: string[]): CliOptions { |