58f8093689
- Updated all component headers and documentation
- Changed navbar and footer branding
- Updated homepage hero badge
- Modified page title in index.html
- Simplified footer text to 'Built with ❤️'
- Consistent V2 capitalization across all references
146 lines
3.3 KiB
JavaScript
Executable File
146 lines
3.3 KiB
JavaScript
Executable File
#!/usr/bin/env node
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const { EOL } = require('os')
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const { Transform } = require('stream');
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const fs = require('fs')
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const csv = require('../')
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const pkg = require('../package.json')
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function parseArgs () {
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let skipComments
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let escape = '"'
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let headers
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let output
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let quote = '"'
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let skipLines
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let separator = ','
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let version
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let help
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const defaultArgs = []
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const args = process.argv.slice(2)
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for (let i = 0; i < args.length; i++) {
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const arg = args[i]
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switch (arg) {
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case '--skipComments':
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case '-c':
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skipComments = args[++i]
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break
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case '--escape':
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case '-e':
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escape = args[++i]
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break
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case '--headers':
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case '-h':
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headers = args[++i]
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break
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case '--output':
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case '-o':
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output = args[++i]
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break
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case '--quote':
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case '-q':
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quote = args[++i]
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break
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case '--skipLines':
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case '-l':
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skipLines = args[++i]
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break
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case '--separator':
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case '-s':
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separator = args[++i]
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break
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case '--version':
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case '-v':
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version = true
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break
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case '--help':
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help = true
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break
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default:
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defaultArgs.push(arg)
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break
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}
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}
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return {
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skipComments,
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escape,
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headers,
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output,
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quote,
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skipLines,
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separator,
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version,
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help,
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defaultArgs
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}
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}
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const argv = parseArgs()
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const [filename] = argv.defaultArgs
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if (argv.version) {
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console.log(pkg.version)
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process.exit(0)
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}
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if (argv.help || (process.stdin.isTTY && !filename)) {
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console.error(`Usage: csv-parser [filename?] [options]
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--escape,-e Set the escape character (defaults to quote value)
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--headers,-h Explicitly specify csv headers as a comma separated list
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--help Show this help
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--output,-o Set output file. Defaults to stdout
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--quote,-q Set the quote character ('"' by default)
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--remove Remove headers from output
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--separator,-s Set the separator character ("," by default)
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--skipComments,-c Skip CSV comments that begin with '#'. Set a value to change the comment character.
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--skipLines,-l Set the number of lines to skip to before parsing headers
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--strict Require column length match headers length
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--version,-v Print out the installed version
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`)
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process.exit(1)
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}
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let input
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const output = (argv.output && argv.output !== '-') ? fs.createWriteStream(argv.output) : process.stdout
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const options = {
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separator: argv.separator,
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strict: argv.strict,
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skipComments: argv.skipComments,
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skipLines: argv.skipLines
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}
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if (argv.headers) {
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options.headers = argv.headers.toString().split(argv.separator)
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}
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if (argv.remove) {
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const removeHeaders = argv.remove.split(',')
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options.mapHeaders = (name, i) => {
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return removeHeaders.indexOf(name) === -1 ? name : null
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}
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}
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if (filename === '-' || !filename) {
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input = process.stdin
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} else if (fs.existsSync(filename)) {
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input = fs.createReadStream(filename)
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} else {
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console.error(`File: ${filename} does not exist`)
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process.exit(2)
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}
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const serialize = () => {
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return new Transform({
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objectMode: true,
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transform(obj, enc, cb) {
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cb(null, JSON.stringify(obj) + EOL)
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}
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});
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}
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input
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.pipe(csv(options))
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.pipe(serialize())
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.pipe(output)
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