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node_modules/babel-cli/lib/babel/index.js 3.42 KB
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  #!/usr/bin/env node
  "use strict";
  
  var _keys = require("babel-runtime/core-js/object/keys");
  
  var _keys2 = _interopRequireDefault(_keys);
  
  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
  
  var fs = require("fs");
  var commander = require("commander");
  var kebabCase = require("lodash/kebabCase");
  var options = require("babel-core").options;
  var util = require("babel-core").util;
  var uniq = require("lodash/uniq");
  var glob = require("glob");
  
  (0, _keys2.default)(options).forEach(function (key) {
    var option = options[key];
    if (option.hidden) return;
  
    var arg = kebabCase(key);
  
    if (option.type !== "boolean") {
      arg += " [" + (option.type || "string") + "]";
    }
  
    if (option.type === "boolean" && option.default === true) {
      arg = "no-" + arg;
    }
  
    arg = "--" + arg;
  
    if (option.shorthand) {
      arg = "-" + option.shorthand + ", " + arg;
    }
  
    var desc = [];
    if (option.deprecated) desc.push("[DEPRECATED] " + option.deprecated);
    if (option.description) desc.push(option.description);
  
    commander.option(arg, desc.join(" "));
  });
  
  commander.option("-x, --extensions [extensions]", "List of extensions to compile when a directory has been input [.es6,.js,.es,.jsx]");
  commander.option("-w, --watch", "Recompile files on changes");
  commander.option("--skip-initial-build", "Do not compile files before watching");
  commander.option("-o, --out-file [out]", "Compile all input files into a single file");
  commander.option("-d, --out-dir [out]", "Compile an input directory of modules into an output directory");
  commander.option("-D, --copy-files", "When compiling a directory copy over non-compilable files");
  commander.option("-q, --quiet", "Don't log anything");
  
  
  var pkg = require("../../package.json");
  commander.version(pkg.version + " (babel-core " + require("babel-core").version + ")");
  commander.usage("[options] <files ...>");
  commander.parse(process.argv);
  
  if (commander.extensions) {
    commander.extensions = util.arrayify(commander.extensions);
  }
  
  var errors = [];
  
  var filenames = commander.args.reduce(function (globbed, input) {
    var files = glob.sync(input);
    if (!files.length) files = [input];
    return globbed.concat(files);
  }, []);
  
  filenames = uniq(filenames);
  
  filenames.forEach(function (filename) {
    if (!fs.existsSync(filename)) {
      errors.push(filename + " doesn't exist");
    }
  });
  
  if (commander.outDir && !filenames.length) {
    errors.push("filenames required for --out-dir");
  }
  
  if (commander.outFile && commander.outDir) {
    errors.push("cannot have --out-file and --out-dir");
  }
  
  if (commander.watch) {
    if (!commander.outFile && !commander.outDir) {
      errors.push("--watch requires --out-file or --out-dir");
    }
  
    if (!filenames.length) {
      errors.push("--watch requires filenames");
    }
  }
  
  if (commander.skipInitialBuild && !commander.watch) {
    errors.push("--skip-initial-build requires --watch");
  }
  
  if (errors.length) {
    console.error(errors.join(". "));
    process.exit(2);
  }
  
  var opts = exports.opts = {};
  
  (0, _keys2.default)(options).forEach(function (key) {
    var opt = options[key];
    if (commander[key] !== undefined && commander[key] !== opt.default) {
      opts[key] = commander[key];
    }
  });
  
  opts.ignore = util.arrayify(opts.ignore, util.regexify);
  
  if (opts.only) {
    opts.only = util.arrayify(opts.only, util.regexify);
  }
  
  var fn = void 0;
  
  if (commander.outDir) {
    fn = require("./dir");
  } else {
    fn = require("./file");
  }
  
  fn(commander, filenames, exports.opts);