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55 lines
1.1 KiB
55 lines
1.1 KiB
#!/usr/bin/env node |
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let { nanoid, customAlphabet } = require('..') |
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function print(msg) { |
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process.stdout.write(msg + '\n') |
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} |
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function error(msg) { |
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process.stderr.write(msg + '\n') |
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process.exit(1) |
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} |
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if (process.argv.includes('--help') || process.argv.includes('-h')) { |
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print(` |
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Usage |
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$ nanoid [options] |
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Options |
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-s, --size Generated ID size |
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-a, --alphabet Alphabet to use |
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-h, --help Show this help |
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Examples |
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$ nano --s 15 |
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S9sBF77U6sDB8Yg |
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$ nano --size 10 --alphabet abc |
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bcabababca`) |
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process.exit() |
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} |
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let alphabet, size |
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for (let i = 2; i < process.argv.length; i++) { |
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let arg = process.argv[i] |
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if (arg === '--size' || arg === '-s') { |
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size = Number(process.argv[i + 1]) |
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i += 1 |
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if (Number.isNaN(size) || size <= 0) { |
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error('Size must be positive integer') |
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} |
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} else if (arg === '--alphabet' || arg === '-a') { |
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alphabet = process.argv[i + 1] |
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i += 1 |
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} else { |
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error('Unknown argument ' + arg) |
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} |
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} |
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if (alphabet) { |
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let customNanoid = customAlphabet(alphabet, size) |
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print(customNanoid()) |
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} else { |
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print(nanoid(size)) |
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}
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