59 lines
1.3 KiB
JavaScript
59 lines
1.3 KiB
JavaScript
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#!/usr/bin/env node
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'use strict'
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const { parseArgs } = require('node:util')
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const { safeRegex } = require('../index.js')
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const { version } = require('../package.json')
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const { values: options, positionals } = parseArgs({
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allowPositionals: true,
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options: {
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version: {
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type: 'boolean',
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short: 'v',
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default: false,
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},
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help: {
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type: 'boolean',
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short: 'h',
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default: false,
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}
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},
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})
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function help () {
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console.log(`Usage: safe-regex2 [options] <regex>
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Check if a regular expression is safe to use in a production environment.
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Options:
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-v, --version Display the version number
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-h, --help Display this help message
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<regex> The regular expression to check`
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)
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}
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if (options.help) {
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help()
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} else if (options.version) {
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console.log(version)
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} else {
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if (positionals.length === 0) {
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help()
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} else if (positionals.length > 1) {
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console.error('Error: Too many positional arguments.')
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help()
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} else {
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const regex = positionals[0]
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const isSafe = safeRegex(regex)
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if (isSafe === false) {
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console.error('Provided regex is invalid or unsafe.')
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process.exit(1)
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} else {
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console.log('Provided regex is safe.')
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process.exit(0)
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}
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}
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}
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