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1 |
| -import mri from 'mri' |
| 1 | +interface ParsedArgv { |
| 2 | + args: ReadonlyArray<string> |
| 3 | + options: { |
| 4 | + [k: string]: string | boolean | number |
| 5 | + } |
| 6 | +} |
2 | 7 |
|
3 |
| -export const parseArgs = (argv: string[]) => mri(argv) |
| 8 | +function isLongOption(arg: string): boolean { |
| 9 | + return arg.startsWith('--') |
| 10 | +} |
| 11 | + |
| 12 | +function isShortOption(arg: string): boolean { |
| 13 | + return arg.startsWith('-') && !isLongOption(arg) |
| 14 | +} |
| 15 | + |
| 16 | +function parseValue(value: string): string | boolean | number { |
| 17 | + if (value === 'true') |
| 18 | + return true |
| 19 | + |
| 20 | + if (value === 'false') |
| 21 | + return false |
| 22 | + |
| 23 | + const numberValue = parseFloat(value) |
| 24 | + if (!isNaN(numberValue)) |
| 25 | + return numberValue |
| 26 | + |
| 27 | + return value.replace(/"/g, '') |
| 28 | +} |
| 29 | + |
| 30 | +function parseLongOption(arg: string, argv: ReadonlyArray<string>, index: number, options: { [k: string]: string | boolean | number }): number { |
| 31 | + const [key, value] = arg.slice(2).split('=') |
| 32 | + if (value !== undefined) { |
| 33 | + options[key] = parseValue(value) |
| 34 | + } |
| 35 | + else if (index + 1 < argv.length && !argv[index + 1].startsWith('-')) { |
| 36 | + options[key] = argv[index + 1] |
| 37 | + index++ |
| 38 | + } |
| 39 | + else { |
| 40 | + options[key] = true |
| 41 | + } |
| 42 | + return index |
| 43 | +} |
| 44 | + |
| 45 | +function parseShortOption(arg: string, argv: ReadonlyArray<string>, index: number, options: { [k: string]: string | boolean | number }): number { |
| 46 | + const [key, value] = arg.slice(1).split('=') |
| 47 | + |
| 48 | + if (value !== undefined) { |
| 49 | + for (let j = 0; j < key.length; j++) |
| 50 | + options[key[j]] = parseValue(value) |
| 51 | + } |
| 52 | + else { |
| 53 | + for (let j = 0; j < key.length; j++) { |
| 54 | + if (index + 1 < argv.length && j === key.length - 1 && !argv[index + 1].startsWith('-')) { |
| 55 | + options[key[j]] = parseValue(argv[index + 1]) |
| 56 | + index++ |
| 57 | + } |
| 58 | + else { |
| 59 | + options[key[j]] = true |
| 60 | + } |
| 61 | + } |
| 62 | + } |
| 63 | + |
| 64 | + return index |
| 65 | +} |
| 66 | + |
| 67 | +export function parseArgv(argv?: ReadonlyArray<string>): ParsedArgv { |
| 68 | + if (argv === undefined) |
| 69 | + argv = process.argv.slice(2) |
| 70 | + |
| 71 | + const args: string[] = [] |
| 72 | + const options: { [k: string]: string | boolean | number } = {} |
| 73 | + |
| 74 | + for (let i = 0; i < argv.length; i++) { |
| 75 | + const arg = argv[i] |
| 76 | + if (isLongOption(arg)) |
| 77 | + i = parseLongOption(arg, argv, i, options) |
| 78 | + else if (isShortOption(arg)) |
| 79 | + i = parseShortOption(arg, argv, i, options) |
| 80 | + else |
| 81 | + args.push(arg) |
| 82 | + } |
| 83 | + |
| 84 | + return { args, options } |
| 85 | +} |
| 86 | + |
| 87 | +export function parseOptions(argv?: ReadonlyArray<string>): { [k: string]: string | boolean | number } { |
| 88 | + if (argv === undefined) |
| 89 | + argv = process.argv.slice(2) |
| 90 | + |
| 91 | + return parseArgv(argv).options |
| 92 | +} |
| 93 | + |
| 94 | +export function parseArgs(argv?: ReadonlyArray<string>): ReadonlyArray<string> { |
| 95 | + if (argv === undefined) |
| 96 | + argv = process.argv.slice(2) |
| 97 | + |
| 98 | + return parseArgv(argv).args |
| 99 | +} |
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