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56 lines
1.1 KiB
56 lines
1.1 KiB
2 months ago
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#!/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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$ nanoid --s 15
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S9sBF77U6sDB8Yg
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$ nanoid --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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