113 lines
2.8 KiB
JavaScript
113 lines
2.8 KiB
JavaScript
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#!/usr/bin/env node
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const fs = require('fs')
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const path = require('path')
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const minimist = require('minimist')
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const pkg = require('../package.json')
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const JSON5 = require('./')
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const argv = minimist(process.argv.slice(2), {
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alias: {
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'convert': 'c',
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'space': 's',
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'validate': 'v',
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'out-file': 'o',
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'version': 'V',
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'help': 'h',
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},
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boolean: [
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'convert',
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'validate',
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'version',
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'help',
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],
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string: [
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'space',
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'out-file',
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],
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})
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if (argv.version) {
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version()
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} else if (argv.help) {
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usage()
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} else {
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const inFilename = argv._[0]
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let readStream
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if (inFilename) {
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readStream = fs.createReadStream(inFilename)
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} else {
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readStream = process.stdin
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}
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let json5 = ''
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readStream.on('data', data => {
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json5 += data
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})
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readStream.on('end', () => {
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let space
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if (argv.space === 't' || argv.space === 'tab') {
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space = '\t'
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} else {
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space = Number(argv.space)
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}
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let value
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try {
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value = JSON5.parse(json5)
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if (!argv.validate) {
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const json = JSON.stringify(value, null, space)
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let writeStream
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// --convert is for backward compatibility with v0.5.1. If
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// specified with <file> and not --out-file, then a file with
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// the same name but with a .json extension will be written.
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if (argv.convert && inFilename && !argv.o) {
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const parsedFilename = path.parse(inFilename)
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const outFilename = path.format(
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Object.assign(
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parsedFilename,
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{base: path.basename(parsedFilename.base, parsedFilename.ext) + '.json'}
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)
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)
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writeStream = fs.createWriteStream(outFilename)
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} else if (argv.o) {
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writeStream = fs.createWriteStream(argv.o)
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} else {
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writeStream = process.stdout
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}
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writeStream.write(json)
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}
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} catch (err) {
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console.error(err.message)
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process.exit(1)
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}
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})
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}
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function version () {
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console.log(pkg.version)
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}
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function usage () {
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console.log(
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`
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Usage: json5 [options] <file>
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If <file> is not provided, then STDIN is used.
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Options:
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-s, --space The number of spaces to indent or 't' for tabs
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-o, --out-file [file] Output to the specified file, otherwise STDOUT
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-v, --validate Validate JSON5 but do not output JSON
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-V, --version Output the version number
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-h, --help Output usage information`
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)
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}
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