kontainer-js/cli.js

A media file format generator/parser that exposes a React-like API.

#!/usr/bin/env node
'use strict';

var _fs = require('fs');

var _fs2 = _interopRequireDefault(_fs);

var _yargs = require('yargs');

var _yargs2 = _interopRequireDefault(_yargs);

var _ = require('.');

var _2 = _interopRequireDefault(_);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

var argv = _yargs2.default.argv;
var HELP = '\nUsage:\n    kontainer filePath [options]\n\nExample:\n    kontainer /path/to/file\n\nOptions:\n  -h, --help    Print help\n  -v, --version Print version\n';

var pkg = void 0;

try {
  pkg = require('./package.json');
} catch (e) {
  // Being executed locally
  pkg = require('../package.json');
}

var VERSION = 'v' + pkg.version;
var filePath = argv._[0];

if (argv.h || argv.help) {
  console.info(HELP);
} else if (argv.v || argv.version) {
  console.info(VERSION);
} else {

  var input = void 0;

  if (filePath) {
    input = _fs2.default.createReadStream(filePath);
  } else {
    input = process.stdin;
  }

  var visitor = new _2.default.DumpVisitor();
  var logger = _2.default.transform(visitor);

  input.pipe(logger).pipe(process.stdout);

  input.on('error', function () {
    console.error('[kontainer] Unable to read - ' + filePath);
  });
}