103 lines
2.0 KiB
JavaScript
103 lines
2.0 KiB
JavaScript
#!/usr/bin/env node
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var ansiHTML = require('../')
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var pkg = require('../package.json')
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var l = console.log
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var w = console.warn
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var stdoutFlushed = true
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var readingStdin = false
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function logLine (line) {
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if (!line) {
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return
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}
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line = ansiHTML(line)
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try {
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stdoutFlushed = process.stdout.write(line)
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} catch (e) {}
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}
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function safeExit (code) {
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l('')
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process.exit(code)
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}
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function processStdin (finish) {
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readingStdin = true
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var chunks = ''
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process.stdin.resume()
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process.stdin.setEncoding('utf-8')
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process.stdin.on('data', function (chunk) {
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var lines = chunk.split(/[\r\n]+/g).filter(function (line) {
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return line
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})
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var length = lines.length
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if (length === 1) {
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chunks += lines[0]
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return
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}
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if (length > 1) {
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logLine(chunks + (chunks ? '\n' : '') + lines[0] + '\n')
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}
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chunks = lines.pop()
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length -= 1
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for (var i = 1; i < length; i++) {
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logLine(lines[i] + '\n')
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}
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})
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process.stdin.on('end', function () {
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if (chunks) {
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logLine(chunks)
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}
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finish()
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})
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}
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function stdoutDrain (code) {
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process.stdout.on('drain', function () {
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safeExit(code)
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})
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if (stdoutFlushed) {
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safeExit(code)
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}
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}
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function startup (args) {
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if (args.indexOf('-h') > 0 || args.indexOf('--help') > 0) {
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l(pkg.name + '@' + pkg.version)
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l('Usage:')
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l(' ansi-html [options]')
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l(' ... | ansi-html [options]')
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l('Options:')
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l(' -h, --help print help information')
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return
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}
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process.stdout.on('error', function (err) {
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if (err.code === 'EPIPE') {
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stdoutDrain(0)
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} else {
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w('stdout error:', err)
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stdoutDrain(1)
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}
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})
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processStdin(function () {
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safeExit(0)
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})
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}
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if (require.main === module) {
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startup(process.argv)
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}
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process.on('SIGINT', function () {
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if (!readingStdin) {
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safeExit(1)
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}
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})
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process.on('SIGQUIT', function () { safeExit(1) })
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process.on('SIGTERM', function () { safeExit(1) })
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process.on('SIGHUP', function () { safeExit(1) })
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