bc518174
 王天杨
提交两个项目文件
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#!/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`
)
}
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