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