liquid/node_modules/csswring/bin/csswring

#!/usr/bin/env node

'use strict';

var csswring = require('../index');
var fs = require('fs');
var minimist = require('minimist');
var pkg = require('../package.json');

var showHelp = function () {
  console.log('Usage: csswring [options] INPUT [OUTPUT]');
  console.log('');
  console.log('Description:');
  console.log('  ' + pkg.description);
  console.log('');
  console.log('Options:');
  console.log('      --sourcemap            Create source map file.');
  console.log('      --preserve-hacks       Preserve some CSS hacks.');
  console.log('      --remove-all-comments  Remove all comments.');
  console.log('  -h, --help                 Show this message.');
  console.log('  -v, --version              Print version information.');
  console.log('');
  console.log('Use a single dash for INPUT to read CSS from standard input.');

  return;
};
var wring = function (s, o) {
  var wringed = csswring(o.csswring).wring(s, o.postcss);

  if (!o.postcss.to) {
    process.stdout.write(wringed.css);

    return;
  }

  fs.writeFileSync(o.postcss.to, wringed.css);

  if (wringed.map) {
    fs.writeFileSync(o.postcss.to + '.map', wringed.map);
  }
};
var argv = minimist(process.argv.slice(2), {
  boolean: [
    'help',
    'preserve-hacks',
    'remove-all-comments',
    'sourcemap',
    'version'
  ],
  alias: {
    'h': 'help',
    'v': 'version'
  },
  default: {
    'help': false,
    'preserve-hacks': false,
    'remove-all-comments': false,
    'sourcemap': false,
    'version': false
  }
});

if (argv._.length < 1) {
  argv.help = true;
}

switch (true) {
  case argv.version:
    console.log('csswring v' + pkg.version);

    break;

  case argv.help:
    showHelp();

    break;

  default:
    var options = {
      csswring: {},
      postcss: {}
    };

    if (argv['preserve-hacks']) {
      options.csswring.preserveHacks = true;
    }

    if (argv['remove-all-comments']) {
      options.csswring.removeAllComments = true;
    }

    if (argv.sourcemap) {
      options.postcss.map = true;
    }

    options.postcss.from = argv._[0];

    if (argv._[1]) {
      options.postcss.to = argv._[1];
    }

    if (options.postcss.map && options.postcss.to) {
      options.postcss.map = {
        inline: false
      };
    }

    var css = '';

    if (options.postcss.from !== '-') {
      css = fs.readFileSync(options.postcss.from, 'utf8');
      wring(css, options);
    } else {
      delete options.postcss.from;
      var stdin = process.openStdin();
      stdin.setEncoding('utf-8');
      stdin.on('data', function (chunk) {
        css += chunk;
      });
      stdin.on('end', function () {
        wring(css, options);
      });
    }
}