sb-babel-cli/lib/cli/index.js

A smarter babel-cli

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

var _commander = require('commander');

var _commander2 = _interopRequireDefault(_commander);

var _ = require('../');

var _2 = _interopRequireDefault(_);

var _handleError = require('../handleError');

var _handleError2 = _interopRequireDefault(_handleError);

var _package = require('../../package.json');

var _package2 = _interopRequireDefault(_package);

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

function get(obj, key, defaultValue) {
  if (typeof obj[key] === 'undefined') {
    return defaultValue;
  }
  return obj[key];
}

_commander2.default.version(_package2.default.version).description(_package2.default.description).usage('[options] <source directory>').option('-w, --watch', 'Watch files for changes').option('--ignored <list>', 'Ignored files and directories that match the given globs', function (value) {
  return value.split(',').map(function (item) {
    return item.trim();
  }).filter(Boolean);
}).option('--write-flow-sources', 'Write .flow files that are symlinked to source files. Helps with monorepos in some cases').option('--disable-cache', 'Force recompile all files ignoring cache').option('--keep-extra-files', 'Do NOT delete extra files in the output directory').option('-o, --output-directory <directory>', 'Output directory to write transpiled files to').option('-x, --execute <entryFile>', 'Relative path of file to execute (only supported in watcher mode)').option('--execute-delay <delay>', 'Delay in ms to in between restarts of executed file', function (value) {
  return parseInt(value, 10);
}).parse(process.argv);

if (_commander2.default.args.length !== 1) {
  _commander2.default.outputHelp();
  process.exit(1);
}
if (typeof _commander2.default.outputDirectory === 'undefined') {
  console.log('ERROR: You must specify output directory');
  _commander2.default.outputHelp();
  process.exit(1);
}

var config = {
  watch: get(_commander2.default, 'watch', false),
  ignored: get(_commander2.default, 'ignored', []),
  disableCache: get(_commander2.default, 'disableCache', false),
  writeFlowSources: get(_commander2.default, 'writeFlowSources', false),
  keepExtraFiles: get(_commander2.default, 'keepExtraFiles', false),
  sourceDirectory: _commander2.default.args[0],
  outputDirectory: _commander2.default.outputDirectory,

  execute: get(_commander2.default, 'execute', ''),
  executeDelay: get(_commander2.default, 'executeDelay', 250)
};

if (!config.watch && config.execute) {
  console.error('ERROR: --execute is not supported without --watch');
  process.exit(1);
}

(0, _2.default)(config).then(function () {
  if (!config.watch) {
    process.exit();
  }
}).catch(function (error) {
  (0, _handleError2.default)(error);
  process.exit(1);
});