init

node_modules/qrcode/bin/qrcode

@@ -0,0 +1,159 @@
+#!/usr/bin/env node
+var yargs = require('yargs')
+var qr = require('../lib')
+
+function save (file, text, options) {
+  qr.toFile(file, text, options, function (err, data) {
+    if (err) {
+      console.error('Error:', err.message)
+      process.exit(1)
+    }
+
+    console.log('saved qrcode to: ' + file + '\n')
+  })
+}
+
+function print (text, options) {
+  options.type = 'terminal'
+  qr.toString(text, options, function (err, text) {
+    if (err) {
+      console.error('Error:', err.message)
+      process.exit(1)
+    }
+
+    console.log(text)
+  })
+}
+
+function parseOptions (args) {
+  return {
+    version: args.qversion,
+    errorCorrectionLevel: args.error,
+    type: args.type,
+    small: !!args.small,
+    inverse: !!args.inverse,
+    maskPattern: args.mask,
+    margin: args.qzone,
+    width: args.width,
+    scale: args.scale,
+    color: {
+      light: args.lightcolor,
+      dark: args.darkcolor
+    }
+  }
+}
+
+function processInputs (text, opts) {
+  if (!text.length) {
+    yargs.showHelp()
+    process.exit(1)
+  }
+
+  if (opts.output) {
+    save(opts.output, text, parseOptions(opts))
+  } else {
+    print(text, parseOptions(opts))
+  }
+}
+
+var argv = yargs
+  .detectLocale(false)
+  .usage('Usage: $0 [options] <input string>')
+  .option('v', {
+    alias: 'qversion',
+    description: 'QR Code symbol version (1 - 40)',
+    group: 'QR Code options:',
+    type: 'number'
+  })
+  .option('e', {
+    alias: 'error',
+    description: 'Error correction level',
+    choices: ['L', 'M', 'Q', 'H'],
+    group: 'QR Code options:'
+  })
+  .option('m', {
+    alias: 'mask',
+    description: 'Mask pattern (0 - 7)',
+    group: 'QR Code options:',
+    type: 'number'
+  })
+  .option('t', {
+    alias: 'type',
+    description: 'Output type',
+    choices: ['png', 'svg', 'utf8'],
+    implies: 'output',
+    group: 'Renderer options:'
+  })
+  .option('i', {
+    alias: 'inverse',
+    type: 'boolean',
+    description: 'Invert colors',
+    group: 'Renderer options:'
+  })
+  .option('w', {
+    alias: 'width',
+    description: 'Image width (px)',
+    conflicts: 'scale',
+    group: 'Renderer options:',
+    type: 'number'
+  })
+  .option('s', {
+    alias: 'scale',
+    description: 'Scale factor',
+    conflicts: 'width',
+    group: 'Renderer options:',
+    type: 'number'
+  })
+  .option('q', {
+    alias: 'qzone',
+    description: 'Quiet zone size',
+    group: 'Renderer options:',
+    type: 'number'
+  })
+  .option('l', {
+    alias: 'lightcolor',
+    description: 'Light RGBA hex color',
+    group: 'Renderer options:'
+  })
+  .option('d', {
+    alias: 'darkcolor',
+    description: 'Dark RGBA hex color',
+    group: 'Renderer options:'
+  })
+  .option('small', {
+    type: 'boolean',
+    description: 'Output smaller QR code to terminal',
+    conflicts: 'type',
+    group: 'Renderer options:'
+  })
+  .option('o', {
+    alias: 'output',
+    description: 'Output file'
+  })
+  .help('h')
+  .alias('h', 'help')
+  .version()
+  .example('$0 "some text"', 'Draw in terminal window')
+  .example('$0 -o out.png "some text"', 'Save as png image')
+  .example('$0 -d F00 -o out.png "some text"', 'Use red as foreground color')
+  .parserConfiguration({'parse-numbers': false})
+  .argv
+
+if (process.stdin.isTTY) {
+  processInputs(argv._.join(' '), argv)
+} else {
+  var text = ''
+  process.stdin.setEncoding('utf8')
+  process.stdin.on('readable', function () {
+    var chunk = process.stdin.read()
+    if (chunk !== null) {
+      text += chunk
+    }
+  })
+
+  process.stdin.on('end', function () {
+    // this process can be run as a command outside of a tty so if there was no
+    // data on stdin read from argv
+    processInputs(text.length?text:argv._.join(' '), argv)
+  })
+}