browser-es-module-loader/dist/babel-browser-build.js

Demonstrates ES module loading in the browser

(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
'use strict';
module.exports = function () {
	return /[\u001b\u009b][[()#;?]*(?:[0-9]{1,4}(?:;[0-9]{0,4})*)?[0-9A-ORZcf-nqry=><]/g;
};

},{}],2:[function(require,module,exports){
'use strict';

function assembleStyles () {
	var styles = {
		modifiers: {
			reset: [0, 0],
			bold: [1, 22], // 21 isn't widely supported and 22 does the same thing
			dim: [2, 22],
			italic: [3, 23],
			underline: [4, 24],
			inverse: [7, 27],
			hidden: [8, 28],
			strikethrough: [9, 29]
		},
		colors: {
			black: [30, 39],
			red: [31, 39],
			green: [32, 39],
			yellow: [33, 39],
			blue: [34, 39],
			magenta: [35, 39],
			cyan: [36, 39],
			white: [37, 39],
			gray: [90, 39]
		},
		bgColors: {
			bgBlack: [40, 49],
			bgRed: [41, 49],
			bgGreen: [42, 49],
			bgYellow: [43, 49],
			bgBlue: [44, 49],
			bgMagenta: [45, 49],
			bgCyan: [46, 49],
			bgWhite: [47, 49]
		}
	};

	// fix humans
	styles.colors.grey = styles.colors.gray;

	Object.keys(styles).forEach(function (groupName) {
		var group = styles[groupName];

		Object.keys(group).forEach(function (styleName) {
			var style = group[styleName];

			styles[styleName] = group[styleName] = {
				open: '\u001b[' + style[0] + 'm',
				close: '\u001b[' + style[1] + 'm'
			};
		});

		Object.defineProperty(styles, groupName, {
			value: group,
			enumerable: false
		});
	});

	return styles;
}

Object.defineProperty(module, 'exports', {
	enumerable: true,
	get: assembleStyles
});

},{}],3:[function(require,module,exports){
"use strict";

exports.__esModule = true;

exports.default = function (rawLines, lineNumber, colNumber) {
  var opts = arguments.length <= 3 || arguments[3] === undefined ? {} : arguments[3];

  colNumber = Math.max(colNumber, 0);

  var highlighted = opts.highlightCode && _chalk2.default.supportsColor;
  if (highlighted) rawLines = highlight(rawLines);

  var lines = rawLines.split(NEWLINE);
  var start = Math.max(lineNumber - 3, 0);
  var end = Math.min(lines.length, lineNumber + 3);

  if (!lineNumber && !colNumber) {
    start = 0;
    end = lines.length;
  }

  var numberMaxWidth = String(end).length;

  var frame = lines.slice(start, end).map(function (line, index) {
    var number = start + 1 + index;
    var paddedNumber = (" " + number).slice(-numberMaxWidth);
    var gutter = " " + paddedNumber + " | ";
    if (number === lineNumber) {
      var markerLine = "";
      if (colNumber) {
        var markerSpacing = line.slice(0, colNumber - 1).replace(/[^\t]/g, " ");
        markerLine = "\n " + gutter.replace(/\d/g, " ") + markerSpacing + "^";
      }
      return ">" + gutter + line + markerLine;
    } else {
      return " " + gutter + line;
    }
  }).join("\n");

  if (highlighted) {
    return _chalk2.default.reset(frame);
  } else {
    return frame;
  }
};

var _jsTokens = require("js-tokens");

var _jsTokens2 = _interopRequireDefault(_jsTokens);

var _esutils = require("esutils");

var _esutils2 = _interopRequireDefault(_esutils);

var _chalk = require("chalk");

var _chalk2 = _interopRequireDefault(_chalk);

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

/**
 * Chalk styles for token types.
 */

var defs = {
  string: _chalk2.default.red,
  punctuator: _chalk2.default.bold,
  curly: _chalk2.default.green,
  parens: _chalk2.default.blue.bold,
  square: _chalk2.default.yellow,
  keyword: _chalk2.default.cyan,
  number: _chalk2.default.magenta,
  regex: _chalk2.default.magenta,
  comment: _chalk2.default.grey,
  invalid: _chalk2.default.inverse
};

/**
 * RegExp to test for newlines in terminal.
 */

var NEWLINE = /\r\n|[\n\r\u2028\u2029]/;

/**
 * Get the type of token, specifying punctuator type.
 */

function getTokenType(match) {
  var token = _jsTokens2.default.matchToToken(match);
  if (token.type === "name" && _esutils2.default.keyword.isReservedWordES6(token.value)) {
    return "keyword";
  }

  if (token.type === "punctuator") {
    switch (token.value) {
      case "{":
      case "}":
        return "curly";
      case "(":
      case ")":
        return "parens";
      case "[":
      case "]":
        return "square";
    }
  }

  return token.type;
}

/**
 * Highlight `text`.
 */

function highlight(text) {
  return text.replace(_jsTokens2.default, function () {
    for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
      args[_key] = arguments[_key];
    }

    var type = getTokenType(args);
    var colorize = defs[type];
    if (colorize) {
      return args[0].split(NEWLINE).map(function (str) {
        return colorize(str);
      }).join("\n");
    } else {
      return args[0];
    }
  });
}

/**
 * Create a code frame, adding line numbers, code highlighting, and pointing to a given position.
 */

module.exports = exports["default"];
},{"chalk":137,"esutils":258,"js-tokens":267}],4:[function(require,module,exports){
module.exports = require("./lib/api/node.js");

},{"./lib/api/node.js":5}],5:[function(require,module,exports){
"use strict";

exports.__esModule = true;
exports.transformFromAst = exports.transform = exports.analyse = exports.Pipeline = exports.OptionManager = exports.traverse = exports.types = exports.messages = exports.util = exports.version = exports.template = exports.buildExternalHelpers = exports.options = exports.File = undefined;

var _file = require("../transformation/file");

Object.defineProperty(exports, "File", {
  enumerable: true,
  get: function get() {
    return _interopRequireDefault(_file).default;
  }
});

var _config = require("../transformation/file/options/config");

Object.defineProperty(exports, "options", {
  enumerable: true,
  get: function get() {
    return _interopRequireDefault(_config).default;
  }
});

var _buildExternalHelpers = require("../tools/build-external-helpers");

Object.defineProperty(exports, "buildExternalHelpers", {
  enumerable: true,
  get: function get() {
    return _interopRequireDefault(_buildExternalHelpers).default;
  }
});

var _babelTemplate = require("babel-template");

Object.defineProperty(exports, "template", {
  enumerable: true,
  get: function get() {
    return _interopRequireDefault(_babelTemplate).default;
  }
});

var _package = require("../../package");

Object.defineProperty(exports, "version", {
  enumerable: true,
  get: function get() {
    return _package.version;
  }
});
exports.Plugin = Plugin;
exports.transformFile = transformFile;
exports.transformFileSync = transformFileSync;

var _isFunction = require("lodash/isFunction");

var _isFunction2 = _interopRequireDefault(_isFunction);

var _fs = require("fs");

var _fs2 = _interopRequireDefault(_fs);

var _util = require("../util");

var util = _interopRequireWildcard(_util);

var _babelMessages = require("babel-messages");

var messages = _interopRequireWildcard(_babelMessages);

var _babelTypes = require("babel-types");

var t = _interopRequireWildcard(_babelTypes);

var _babelTraverse = require("babel-traverse");

var _babelTraverse2 = _interopRequireDefault(_babelTraverse);

var _optionManager = require("../transformation/file/options/option-manager");

var _optionManager2 = _interopRequireDefault(_optionManager);

var _pipeline = require("../transformation/pipeline");

var _pipeline2 = _interopRequireDefault(_pipeline);

function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }

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

//

exports.util = util;
exports.messages = messages;
exports.types = t;
exports.traverse = _babelTraverse2.default;
exports.OptionManager = _optionManager2.default;
function Plugin(alias) {
  throw new Error("The (" + alias + ") Babel 5 plugin is being run with Babel 6.");
}

//

exports.Pipeline = _pipeline2.default;


var pipeline = new _pipeline2.default();
var analyse = exports.analyse = pipeline.analyse.bind(pipeline);
var transform = exports.transform = pipeline.transform.bind(pipeline);
var transformFromAst = exports.transformFromAst = pipeline.transformFromAst.bind(pipeline);

//

function transformFile(filename, opts, callback) {
  if ((0, _isFunction2.default)(opts)) {
    callback = opts;
    opts = {};
  }

  opts.filename = filename;

  _fs2.default.readFile(filename, function (err, code) {
    var result = void 0;

    if (!err) {
      try {
        result = transform(code, opts);
      } catch (_err) {
        err = _err;
      }
    }

    if (err) {
      callback(err);
    } else {
      callback(null, result);
    }
  });
}

function transformFileSync(filename) {
  var opts = arguments.length <= 1 || arguments[1] === undefined ? {} : arguments[1];

  opts.filename = filename;
  return transform(_fs2.default.readFileSync(filename, "utf8"), opts);
}
},{"../../package":26,"../tools/build-external-helpers":10,"../transformation/file":11,"../transformation/file/options/config":15,"../transformation/file/options/option-manager":17,"../transformation/pipeline":22,"../util":25,"babel-messages":48,"babel-template":71,"babel-traverse":75,"babel-types":108,"fs":135,"lodash/isFunction":447}],6:[function(require,module,exports){
"use strict";

exports.__esModule = true;

var _getIterator2 = require("babel-runtime/core-js/get-iterator");

var _getIterator3 = _interopRequireDefault(_getIterator2);

exports.default = function (dest, src) {
  if (!dest || !src) return;

  return (0, _mergeWith2.default)(dest, src, function (a, b) {
    if (b && Array.isArray(a)) {
      var newArray = b.slice(0);

      for (var _iterator = a, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : (0, _getIterator3.default)(_iterator);;) {
        var _ref;

        if (_isArray) {
          if (_i >= _iterator.length) break;
          _ref = _iterator[_i++];
        } else {
          _i = _iterator.next();
          if (_i.done) break;
          _ref = _i.value;
        }

        var item = _ref;

        if (newArray.indexOf(item) < 0) {
          newArray.push(item);
        }
      }

      return newArray;
    }
  });
};

var _mergeWith = require("lodash/mergeWith");

var _mergeWith2 = _interopRequireDefault(_mergeWith);

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

module.exports = exports["default"];
},{"babel-runtime/core-js/get-iterator":50,"lodash/mergeWith":462}],7:[function(require,module,exports){
"use strict";

exports.__esModule = true;

exports.default = function (ast, comments, tokens) {
  if (ast) {
    if (ast.type === "Program") {
      return t.file(ast, comments || [], tokens || []);
    } else if (ast.type === "File") {
      return ast;
    }
  }

  throw new Error("Not a valid ast?");
};

var _babelTypes = require("babel-types");

var t = _interopRequireWildcard(_babelTypes);

function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }

module.exports = exports["default"];

/**
 * Normalize an AST.
 *
 * - Wrap `Program` node with a `File` node.
 */
},{"babel-types":108}],8:[function(require,module,exports){
(function (process){
"use strict";

exports.__esModule = true;

var _typeof2 = require("babel-runtime/helpers/typeof");

var _typeof3 = _interopRequireDefault(_typeof2);

exports.default = function (loc) {
  var relative = arguments.length <= 1 || arguments[1] === undefined ? process.cwd() : arguments[1];

  // we're in the browser, probably
  if ((typeof _module2.default === "undefined" ? "undefined" : (0, _typeof3.default)(_module2.default)) === "object") return null;

  var relativeMod = relativeModules[relative];

  if (!relativeMod) {
    relativeMod = new _module2.default();

    // We need to define an id and filename on our "fake" relative` module so that
    // Node knows what "." means in the case of us trying to resolve a plugin
    // such as "./myPlugins/somePlugin.js". If we don't specify id and filename here,
    // Node presumes "." is process.cwd(), not our relative path.
    // Since this fake module is never "loaded", we don't have to worry about mutating
    // any global Node module cache state here.
    var filename = _path2.default.join(relative, ".babelrc");
    relativeMod.id = filename;
    relativeMod.filename = filename;

    relativeMod.paths = _module2.default._nodeModulePaths(relative);
    relativeModules[relative] = relativeMod;
  }

  try {
    return _module2.default._resolveFilename(loc, relativeMod);
  } catch (err) {
    return null;
  }
};

var _module = require("module");

var _module2 = _interopRequireDefault(_module);

var _path = require("path");

var _path2 = _interopRequireDefault(_path);

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

var relativeModules = {};

module.exports = exports["default"];
}).call(this,require('_process'))
},{"_process":484,"babel-runtime/helpers/typeof":70,"module":135,"path":481}],9:[function(require,module,exports){
"use strict";

exports.__esModule = true;

var _map = require("babel-runtime/core-js/map");

var _map2 = _interopRequireDefault(_map);

var _classCallCheck2 = require("babel-runtime/helpers/classCallCheck");

var _classCallCheck3 = _interopRequireDefault(_classCallCheck2);

var _possibleConstructorReturn2 = require("babel-runtime/helpers/possibleConstructorReturn");

var _possibleConstructorReturn3 = _interopRequireDefault(_possibleConstructorReturn2);

var _inherits2 = require("babel-runtime/helpers/inherits");

var _inherits3 = _interopRequireDefault(_inherits2);

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

var Store = function (_Map) {
  (0, _inherits3.default)(Store, _Map);

  function Store() {
    (0, _classCallCheck3.default)(this, Store);

    var _this = (0, _possibleConstructorReturn3.default)(this, _Map.call(this));

    _this.dynamicData = {};
    return _this;
  }

  Store.prototype.setDynamic = function setDynamic(key, fn) {
    this.dynamicData[key] = fn;
  };

  Store.prototype.get = function get(key) {
    if (this.has(key)) {
      return _Map.prototype.get.call(this, key);
    } else {
      if (Object.prototype.hasOwnProperty.call(this.dynamicData, key)) {
        var val = this.dynamicData[key]();
        this.set(key, val);
        return val;
      }
    }
  };

  return Store;
}(_map2.default);

exports.default = Store;
module.exports = exports["default"];
},{"babel-runtime/core-js/map":52,"babel-runtime/helpers/classCallCheck":66,"babel-runtime/helpers/inherits":68,"babel-runtime/helpers/possibleConstructorReturn":69}],10:[function(require,module,exports){
"use strict";

exports.__esModule = true;

exports.default = function (whitelist) {
  var outputType = arguments.length <= 1 || arguments[1] === undefined ? "global" : arguments[1];

  var namespace = t.identifier("babelHelpers");

  var builder = function builder(body) {
    return buildHelpers(body, namespace, whitelist);
  };

  var tree = void 0;

  var build = {
    global: buildGlobal,
    umd: buildUmd,
    var: buildVar
  }[outputType];

  if (build) {
    tree = build(namespace, builder);
  } else {
    throw new Error(messages.get("unsupportedOutputType", outputType));
  }

  return (0, _babelGenerator2.default)(tree).code;
};

var _babelHelpers = require("babel-helpers");

var helpers = _interopRequireWildcard(_babelHelpers);

var _babelGenerator = require("babel-generator");

var _babelGenerator2 = _interopRequireDefault(_babelGenerator);

var _babelMessages = require("babel-messages");

var messages = _interopRequireWildcard(_babelMessages);

var _babelTemplate = require("babel-template");

var _babelTemplate2 = _interopRequireDefault(_babelTemplate);

var _each = require("lodash/each");

var _each2 = _interopRequireDefault(_each);

var _babelTypes = require("babel-types");

var t = _interopRequireWildcard(_babelTypes);

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

function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }

/* eslint max-len: 0 */

var buildUmdWrapper = (0, _babelTemplate2.default)("\n  (function (root, factory) {\n    if (typeof define === \"function\" && define.amd) {\n      define(AMD_ARGUMENTS, factory);\n    } else if (typeof exports === \"object\") {\n      factory(COMMON_ARGUMENTS);\n    } else {\n      factory(BROWSER_ARGUMENTS);\n    }\n  })(UMD_ROOT, function (FACTORY_PARAMETERS) {\n    FACTORY_BODY\n  });\n");

function buildGlobal(namespace, builder) {
  var body = [];
  var container = t.functionExpression(null, [t.identifier("global")], t.blockStatement(body));
  var tree = t.program([t.expressionStatement(t.callExpression(container, [helpers.get("selfGlobal")]))]);

  body.push(t.variableDeclaration("var", [t.variableDeclarator(namespace, t.assignmentExpression("=", t.memberExpression(t.identifier("global"), namespace), t.objectExpression([])))]));

  builder(body);

  return tree;
}

function buildUmd(namespace, builder) {
  var body = [];
  body.push(t.variableDeclaration("var", [t.variableDeclarator(namespace, t.identifier("global"))]));

  builder(body);

  return t.program([buildUmdWrapper({
    FACTORY_PARAMETERS: t.identifier("global"),
    BROWSER_ARGUMENTS: t.assignmentExpression("=", t.memberExpression(t.identifier("root"), namespace), t.objectExpression([])),
    COMMON_ARGUMENTS: t.identifier("exports"),
    AMD_ARGUMENTS: t.arrayExpression([t.stringLiteral("exports")]),
    FACTORY_BODY: body,
    UMD_ROOT: t.identifier("this")
  })]);
}

function buildVar(namespace, builder) {
  var body = [];
  body.push(t.variableDeclaration("var", [t.variableDeclarator(namespace, t.objectExpression([]))]));
  builder(body);
  body.push(t.expressionStatement(namespace));
  return t.program(body);
}

function buildHelpers(body, namespace, whitelist) {
  (0, _each2.default)(helpers.list, function (name) {
    if (whitelist && whitelist.indexOf(name) < 0) return;

    var key = t.identifier(name);
    body.push(t.expressionStatement(t.assignmentExpression("=", t.memberExpression(namespace, key), helpers.get(name))));
  });
}
module.exports = exports["default"];
},{"babel-generator":38,"babel-helpers":47,"babel-messages":48,"babel-template":71,"babel-types":108,"lodash/each":428}],11:[function(require,module,exports){
(function (process){
"use strict";

exports.__esModule = true;
exports.File = undefined;

var _typeof2 = require("babel-runtime/helpers/typeof");

var _typeof3 = _interopRequireDefault(_typeof2);

var _getIterator2 = require("babel-runtime/core-js/get-iterator");

var _getIterator3 = _interopRequireDefault(_getIterator2);

var _create = require("babel-runtime/core-js/object/create");

var _create2 = _interopRequireDefault(_create);

var _assign = require("babel-runtime/core-js/object/assign");

var _assign2 = _interopRequireDefault(_assign);

var _classCallCheck2 = require("babel-runtime/helpers/classCallCheck");

var _classCallCheck3 = _interopRequireDefault(_classCallCheck2);

var _possibleConstructorReturn2 = require("babel-runtime/helpers/possibleConstructorReturn");

var _possibleConstructorReturn3 = _interopRequireDefault(_possibleConstructorReturn2);

var _inherits2 = require("babel-runtime/helpers/inherits");

var _inherits3 = _interopRequireDefault(_inherits2);

var _babelHelpers = require("babel-helpers");

var _babelHelpers2 = _interopRequireDefault(_babelHelpers);

var _metadata = require("./metadata");

var metadataVisitor = _interopRequireWildcard(_metadata);

var _convertSourceMap = require("convert-source-map");

var _convertSourceMap2 = _interopRequireDefault(_convertSourceMap);

var _optionManager = require("./options/option-manager");

var _optionManager2 = _interopRequireDefault(_optionManager);

var _pluginPass = require("../plugin-pass");

var _pluginPass2 = _interopRequireDefault(_pluginPass);

var _shebangRegex = require("shebang-regex");

var _shebangRegex2 = _interopRequireDefault(_shebangRegex);

var _babelTraverse = require("babel-traverse");

var _babelTraverse2 = _interopRequireDefault(_babelTraverse);

var _sourceMap = require("source-map");

var _sourceMap2 = _interopRequireDefault(_sourceMap);

var _babelGenerator = require("babel-generator");

var _babelGenerator2 = _interopRequireDefault(_babelGenerator);

var _babelCodeFrame = require("babel-code-frame");

var _babelCodeFrame2 = _interopRequireDefault(_babelCodeFrame);

var _defaults = require("lodash/defaults");

var _defaults2 = _interopRequireDefault(_defaults);

var _logger = require("./logger");

var _logger2 = _interopRequireDefault(_logger);

var _store = require("../../store");

var _store2 = _interopRequireDefault(_store);

var _babylon = require("babylon");

var _util = require("../../util");

var util = _interopRequireWildcard(_util);

var _path = require("path");

var _path2 = _interopRequireDefault(_path);

var _babelTypes = require("babel-types");

var t = _interopRequireWildcard(_babelTypes);

var _blockHoist = require("../internal-plugins/block-hoist");

var _blockHoist2 = _interopRequireDefault(_blockHoist);

var _shadowFunctions = require("../internal-plugins/shadow-functions");

var _shadowFunctions2 = _interopRequireDefault(_shadowFunctions);

function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }

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

/* global BabelFileResult, BabelParserOptions, BabelFileMetadata */
/* eslint max-len: 0 */

var INTERNAL_PLUGINS = [[_blockHoist2.default], [_shadowFunctions2.default]];

var errorVisitor = {
  enter: function enter(path, state) {
    var loc = path.node.loc;
    if (loc) {
      state.loc = loc;
      path.stop();
    }
  }
};

var File = function (_Store) {
  (0, _inherits3.default)(File, _Store);

  function File() {
    var opts = arguments.length <= 0 || arguments[0] === undefined ? {} : arguments[0];
    var pipeline = arguments[1];
    (0, _classCallCheck3.default)(this, File);

    var _this = (0, _possibleConstructorReturn3.default)(this, _Store.call(this));

    _this.pipeline = pipeline;

    _this.log = new _logger2.default(_this, opts.filename || "unknown");
    _this.opts = _this.initOptions(opts);

    _this.parserOpts = {
      highlightCode: _this.opts.highlightCode,
      nonStandard: _this.opts.nonStandard,
      sourceType: _this.opts.sourceType,
      filename: _this.opts.filename,
      plugins: []
    };

    _this.pluginVisitors = [];
    _this.pluginPasses = [];

    // Plugins for top-level options.
    _this.buildPluginsForOptions(_this.opts);

    // If we are in the "pass per preset" mode, build
    // also plugins for each preset.
    if (_this.opts.passPerPreset) {
      // All the "per preset" options are inherited from the main options.
      _this.perPresetOpts = [];
      _this.opts.presets.forEach(function (presetOpts) {
        var perPresetOpts = (0, _assign2.default)((0, _create2.default)(_this.opts), presetOpts);
        _this.perPresetOpts.push(perPresetOpts);
        _this.buildPluginsForOptions(perPresetOpts);
      });
    }

    _this.metadata = {
      usedHelpers: [],
      marked: [],
      modules: {
        imports: [],
        exports: {
          exported: [],
          specifiers: []
        }
      }
    };

    _this.dynamicImportTypes = {};
    _this.dynamicImportIds = {};
    _this.dynamicImports = [];
    _this.declarations = {};
    _this.usedHelpers = {};

    _this.path = null;
    _this.ast = {};

    _this.code = "";
    _this.shebang = "";

    _this.hub = new _babelTraverse.Hub(_this);
    return _this;
  }

  File.prototype.getMetadata = function getMetadata() {
    var has = false;
    for (var _iterator = this.ast.program.body, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : (0, _getIterator3.default)(_iterator);;) {
      var _ref;

      if (_isArray) {
        if (_i >= _iterator.length) break;
        _ref = _iterator[_i++];
      } else {
        _i = _iterator.next();
        if (_i.done) break;
        _ref = _i.value;
      }

      var node = _ref;

      if (t.isModuleDeclaration(node)) {
        has = true;
        break;
      }
    }
    if (has) {
      this.path.traverse(metadataVisitor, this);
    }
  };

  File.prototype.initOptions = function initOptions(opts) {
    opts = new _optionManager2.default(this.log, this.pipeline).init(opts);

    if (opts.inputSourceMap) {
      opts.sourceMaps = true;
    }

    if (opts.moduleId) {
      opts.moduleIds = true;
    }

    opts.basename = _path2.default.basename(opts.filename, _path2.default.extname(opts.filename));

    opts.ignore = util.arrayify(opts.ignore, util.regexify);

    if (opts.only) opts.only = util.arrayify(opts.only, util.regexify);

    (0, _defaults2.default)(opts, {
      moduleRoot: opts.sourceRoot
    });

    (0, _defaults2.default)(opts, {
      sourceRoot: opts.moduleRoot
    });

    (0, _defaults2.default)(opts, {
      filenameRelative: opts.filename
    });

    var basenameRelative = _path2.default.basename(opts.filenameRelative);

    (0, _defaults2.default)(opts, {
      sourceFileName: basenameRelative,
      sourceMapTarget: basenameRelative
    });

    return opts;
  };

  File.prototype.buildPluginsForOptions = function buildPluginsForOptions(opts) {
    if (!Array.isArray(opts.plugins)) {
      return;
    }

    var plugins = opts.plugins.concat(INTERNAL_PLUGINS);
    var currentPluginVisitors = [];
    var currentPluginPasses = [];

    // init plugins!
    for (var _iterator2 = plugins, _isArray2 = Array.isArray(_iterator2), _i2 = 0, _iterator2 = _isArray2 ? _iterator2 : (0, _getIterator3.default)(_iterator2);;) {
      var _ref2;

      if (_isArray2) {
        if (_i2 >= _iterator2.length) break;
        _ref2 = _iterator2[_i2++];
      } else {
        _i2 = _iterator2.next();
        if (_i2.done) break;
        _ref2 = _i2.value;
      }

      var ref = _ref2;
      var plugin = ref[0];
      var pluginOpts = ref[1]; // todo: fix - can't embed in loop head because of flow bug

      currentPluginVisitors.push(plugin.visitor);
      currentPluginPasses.push(new _pluginPass2.default(this, plugin, pluginOpts));

      if (plugin.manipulateOptions) {
        plugin.manipulateOptions(opts, this.parserOpts, this);
      }
    }

    this.pluginVisitors.push(currentPluginVisitors);
    this.pluginPasses.push(currentPluginPasses);
  };

  File.prototype.getModuleName = function getModuleName() {
    var opts = this.opts;
    if (!opts.moduleIds) {
      return null;
    }

    // moduleId is n/a if a `getModuleId()` is provided
    if (opts.moduleId != null && !opts.getModuleId) {
      return opts.moduleId;
    }

    var filenameRelative = opts.filenameRelative;
    var moduleName = "";

    if (opts.moduleRoot != null) {
      moduleName = opts.moduleRoot + "/";
    }

    if (!opts.filenameRelative) {
      return moduleName + opts.filename.replace(/^\//, "");
    }

    if (opts.sourceRoot != null) {
      // remove sourceRoot from filename
      var sourceRootRegEx = new RegExp("^" + opts.sourceRoot + "\/?");
      filenameRelative = filenameRelative.replace(sourceRootRegEx, "");
    }

    // remove extension
    filenameRelative = filenameRelative.replace(/\.(\w*?)$/, "");

    moduleName += filenameRelative;

    // normalize path separators
    moduleName = moduleName.replace(/\\/g, "/");

    if (opts.getModuleId) {
      // If return is falsy, assume they want us to use our generated default name
      return opts.getModuleId(moduleName) || moduleName;
    } else {
      return moduleName;
    }
  };

  File.prototype.resolveModuleSource = function resolveModuleSource(source) {
    var resolveModuleSource = this.opts.resolveModuleSource;
    if (resolveModuleSource) source = resolveModuleSource(source, this.opts.filename);
    return source;
  };

  File.prototype.addImport = function addImport(source, imported) {
    var name = arguments.length <= 2 || arguments[2] === undefined ? imported : arguments[2];

    var alias = source + ":" + imported;
    var id = this.dynamicImportIds[alias];

    if (!id) {
      source = this.resolveModuleSource(source);
      id = this.dynamicImportIds[alias] = this.scope.generateUidIdentifier(name);

      var specifiers = [];

      if (imported === "*") {
        specifiers.push(t.importNamespaceSpecifier(id));
      } else if (imported === "default") {
        specifiers.push(t.importDefaultSpecifier(id));
      } else {
        specifiers.push(t.importSpecifier(id, t.identifier(imported)));
      }

      var declar = t.importDeclaration(specifiers, t.stringLiteral(source));
      declar._blockHoist = 3;

      this.path.unshiftContainer("body", declar);
    }

    return id;
  };

  File.prototype.addHelper = function addHelper(name) {
    var declar = this.declarations[name];
    if (declar) return declar;

    if (!this.usedHelpers[name]) {
      this.metadata.usedHelpers.push(name);
      this.usedHelpers[name] = true;
    }

    var generator = this.get("helperGenerator");
    var runtime = this.get("helpersNamespace");
    if (generator) {
      var res = generator(name);
      if (res) return res;
    } else if (runtime) {
      return t.memberExpression(runtime, t.identifier(name));
    }

    var ref = (0, _babelHelpers2.default)(name);
    var uid = this.declarations[name] = this.scope.generateUidIdentifier(name);

    if (t.isFunctionExpression(ref) && !ref.id) {
      ref.body._compact = true;
      ref._generated = true;
      ref.id = uid;
      ref.type = "FunctionDeclaration";
      this.path.unshiftContainer("body", ref);
    } else {
      ref._compact = true;
      this.scope.push({
        id: uid,
        init: ref,
        unique: true
      });
    }

    return uid;
  };

  File.prototype.addTemplateObject = function addTemplateObject(helperName, strings, raw) {
    // Generate a unique name based on the string literals so we dedupe
    // identical strings used in the program.
    var stringIds = raw.elements.map(function (string) {
      return string.value;
    });
    var name = helperName + "_" + raw.elements.length + "_" + stringIds.join(",");

    var declar = this.declarations[name];
    if (declar) return declar;

    var uid = this.declarations[name] = this.scope.generateUidIdentifier("templateObject");

    var helperId = this.addHelper(helperName);
    var init = t.callExpression(helperId, [strings, raw]);
    init._compact = true;
    this.scope.push({
      id: uid,
      init: init,
      _blockHoist: 1.9 // This ensures that we don't fail if not using function expression helpers
    });
    return uid;
  };

  File.prototype.buildCodeFrameError = function buildCodeFrameError(node, msg) {
    var Error = arguments.length <= 2 || arguments[2] === undefined ? SyntaxError : arguments[2];

    var loc = node && (node.loc || node._loc);

    var err = new Error(msg);

    if (loc) {
      err.loc = loc.start;
    } else {
      (0, _babelTraverse2.default)(node, errorVisitor, this.scope, err);

      err.message += " (This is an error on an internal node. Probably an internal error";

      if (err.loc) {
        err.message += ". Location has been estimated.";
      }

      err.message += ")";
    }

    return err;
  };

  File.prototype.mergeSourceMap = function mergeSourceMap(map) {
    var inputMap = this.opts.inputSourceMap;

    if (inputMap) {
      var _ret = function () {
        var inputMapConsumer = new _sourceMap2.default.SourceMapConsumer(inputMap);
        var outputMapConsumer = new _sourceMap2.default.SourceMapConsumer(map);

        var mergedGenerator = new _sourceMap2.default.SourceMapGenerator({
          file: inputMapConsumer.file,
          sourceRoot: inputMapConsumer.sourceRoot
        });

        // This assumes the output map always has a single source, since Babel always compiles a single source file to a
        // single output file.
        var source = outputMapConsumer.sources[0];

        inputMapConsumer.eachMapping(function (mapping) {
          var generatedPosition = outputMapConsumer.generatedPositionFor({
            line: mapping.generatedLine,
            column: mapping.generatedColumn,
            source: source
          });
          if (generatedPosition.column != null) {
            mergedGenerator.addMapping({
              source: mapping.source,

              original: mapping.source == null ? null : {
                line: mapping.originalLine,
                column: mapping.originalColumn
              },

              generated: generatedPosition
            });
          }
        });

        var mergedMap = mergedGenerator.toJSON();
        inputMap.mappings = mergedMap.mappings;
        return {
          v: inputMap
        };
      }();

      if ((typeof _ret === "undefined" ? "undefined" : (0, _typeof3.default)(_ret)) === "object") return _ret.v;
    } else {
      return map;
    }
  };

  File.prototype.parse = function parse(code) {
    this.log.debug("Parse start");
    var ast = (0, _babylon.parse)(code, this.parserOpts);
    this.log.debug("Parse stop");
    return ast;
  };

  File.prototype._addAst = function _addAst(ast) {
    this.path = _babelTraverse.NodePath.get({
      hub: this.hub,
      parentPath: null,
      parent: ast,
      container: ast,
      key: "program"
    }).setContext();
    this.scope = this.path.scope;
    this.ast = ast;
    this.getMetadata();
  };

  File.prototype.addAst = function addAst(ast) {
    this.log.debug("Start set AST");
    this._addAst(ast);
    this.log.debug("End set AST");
  };

  File.prototype.transform = function transform() {
    // In the "pass per preset" mode, we have grouped passes.
    // Otherwise, there is only one plain pluginPasses array.
    for (var i = 0; i < this.pluginPasses.length; i++) {
      var pluginPasses = this.pluginPasses[i];
      this.call("pre", pluginPasses);
      this.log.debug("Start transform traverse");
      (0, _babelTraverse2.default)(this.ast, _babelTraverse2.default.visitors.merge(this.pluginVisitors[i], pluginPasses), this.scope);
      this.log.debug("End transform traverse");
      this.call("post", pluginPasses);
    }

    return this.generate();
  };

  File.prototype.wrap = function wrap(code, callback) {
    code = code + "";

    try {
      if (this.shouldIgnore()) {
        return this.makeResult({ code: code, ignored: true });
      } else {
        return callback();
      }
    } catch (err) {
      if (err._babel) {
        throw err;
      } else {
        err._babel = true;
      }

      var message = err.message = this.opts.filename + ": " + err.message;

      var loc = err.loc;
      if (loc) {
        err.codeFrame = (0, _babelCodeFrame2.default)(code, loc.line, loc.column + 1, this.opts);
        message += "\n" + err.codeFrame;
      }

      if (process.browser) {
        // chrome has it's own pretty stringifier which doesn't use the stack property
        // https://github.com/babel/babel/issues/2175
        err.message = message;
      }

      if (err.stack) {
        var newStack = err.stack.replace(err.message, message);
        err.stack = newStack;
      }

      throw err;
    }
  };

  File.prototype.addCode = function addCode(code) {
    code = (code || "") + "";
    code = this.parseInputSourceMap(code);
    this.code = code;
  };

  File.prototype.parseCode = function parseCode() {
    this.parseShebang();
    var ast = this.parse(this.code);
    this.addAst(ast);
  };

  File.prototype.shouldIgnore = function shouldIgnore() {
    var opts = this.opts;
    return util.shouldIgnore(opts.filename, opts.ignore, opts.only);
  };

  File.prototype.call = function call(key, pluginPasses) {
    for (var _iterator3 = pluginPasses, _isArray3 = Array.isArray(_iterator3), _i3 = 0, _iterator3 = _isArray3 ? _iterator3 : (0, _getIterator3.default)(_iterator3);;) {
      var _ref3;

      if (_isArray3) {
        if (_i3 >= _iterator3.length) break;
        _ref3 = _iterator3[_i3++];
      } else {
        _i3 = _iterator3.next();
        if (_i3.done) break;
        _ref3 = _i3.value;
      }

      var pass = _ref3;

      var plugin = pass.plugin;
      var fn = plugin[key];
      if (fn) fn.call(pass, this);
    }
  };

  File.prototype.parseInputSourceMap = function parseInputSourceMap(code) {
    var opts = this.opts;

    if (opts.inputSourceMap !== false) {
      var inputMap = _convertSourceMap2.default.fromSource(code);
      if (inputMap) {
        opts.inputSourceMap = inputMap.toObject();
        code = _convertSourceMap2.default.removeComments(code);
      }
    }

    return code;
  };

  File.prototype.parseShebang = function parseShebang() {
    var shebangMatch = _shebangRegex2.default.exec(this.code);
    if (shebangMatch) {
      this.shebang = shebangMatch[0];
      this.code = this.code.replace(_shebangRegex2.default, "");
    }
  };

  File.prototype.makeResult = function makeResult(_ref4) {
    var code = _ref4.code;
    var map = _ref4.map;
    var ast = _ref4.ast;
    var ignored = _ref4.ignored;

    var result = {
      metadata: null,
      options: this.opts,
      ignored: !!ignored,
      code: null,
      ast: null,
      map: map || null
    };

    if (this.opts.code) {
      result.code = code;
    }

    if (this.opts.ast) {
      result.ast = ast;
    }

    if (this.opts.metadata) {
      result.metadata = this.metadata;
    }

    return result;
  };

  File.prototype.generate = function generate() {
    var opts = this.opts;
    var ast = this.ast;

    var result = { ast: ast };
    if (!opts.code) return this.makeResult(result);

    this.log.debug("Generation start");

    var _result = (0, _babelGenerator2.default)(ast, opts, this.code);
    result.code = _result.code;
    result.map = _result.map;

    this.log.debug("Generation end");

    if (this.shebang) {
      // add back shebang
      result.code = this.shebang + "\n" + result.code;
    }

    if (result.map) {
      result.map = this.mergeSourceMap(result.map);
    }

    if (opts.sourceMaps === "inline" || opts.sourceMaps === "both") {
      result.code += "\n" + _convertSourceMap2.default.fromObject(result.map).toComment();
    }

    if (opts.sourceMaps === "inline") {
      result.map = null;
    }

    return this.makeResult(result);
  };

  return File;
}(_store2.default);

exports.default = File;
exports.File = File;
}).call(this,require('_process'))
},{"../../store":9,"../../util":25,"../internal-plugins/block-hoist":20,"../internal-plugins/shadow-functions":21,"../plugin-pass":23,"./logger":12,"./metadata":13,"./options/option-manager":17,"_process":484,"babel-code-frame":3,"babel-generator":38,"babel-helpers":47,"babel-runtime/core-js/get-iterator":50,"babel-runtime/core-js/object/assign":54,"babel-runtime/core-js/object/create":55,"babel-runtime/helpers/classCallCheck":66,"babel-runtime/helpers/inherits":68,"babel-runtime/helpers/possibleConstructorReturn":69,"babel-runtime/helpers/typeof":70,"babel-traverse":75,"babel-types":108,"babylon":112,"convert-source-map":139,"lodash/defaults":427,"path":481,"shebang-regex":486,"source-map":498}],12:[function(require,module,exports){
"use strict";

exports.__esModule = true;

var _classCallCheck2 = require("babel-runtime/helpers/classCallCheck");

var _classCallCheck3 = _interopRequireDefault(_classCallCheck2);

var _node = require("debug/node");

var _node2 = _interopRequireDefault(_node);

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

var verboseDebug = (0, _node2.default)("babel:verbose");
var generalDebug = (0, _node2.default)("babel");

var seenDeprecatedMessages = [];

var Logger = function () {
  function Logger(file, filename) {
    (0, _classCallCheck3.default)(this, Logger);

    this.filename = filename;
    this.file = file;
  }

  Logger.prototype._buildMessage = function _buildMessage(msg) {
    var parts = "[BABEL] " + this.filename;
    if (msg) parts += ": " + msg;
    return parts;
  };

  Logger.prototype.warn = function warn(msg) {
    console.warn(this._buildMessage(msg));
  };

  Logger.prototype.error = function error(msg) {
    var Constructor = arguments.length <= 1 || arguments[1] === undefined ? Error : arguments[1];

    throw new Constructor(this._buildMessage(msg));
  };

  Logger.prototype.deprecate = function deprecate(msg) {
    if (this.file.opts && this.file.opts.suppressDeprecationMessages) return;

    msg = this._buildMessage(msg);

    // already seen this message
    if (seenDeprecatedMessages.indexOf(msg) >= 0) return;

    // make sure we don't see it again
    seenDeprecatedMessages.push(msg);

    console.error(msg);
  };

  Logger.prototype.verbose = function verbose(msg) {
    if (verboseDebug.enabled) verboseDebug(this._buildMessage(msg));
  };

  Logger.prototype.debug = function debug(msg) {
    if (generalDebug.enabled) generalDebug(this._buildMessage(msg));
  };

  Logger.prototype.deopt = function deopt(node, msg) {
    this.debug(msg);
  };

  return Logger;
}();

exports.default = Logger;
module.exports = exports["default"];
},{"babel-runtime/helpers/classCallCheck":66,"debug/node":252}],13:[function(require,module,exports){
"use strict";

exports.__esModule = true;
exports.ImportDeclaration = exports.ModuleDeclaration = undefined;

var _getIterator2 = require("babel-runtime/core-js/get-iterator");

var _getIterator3 = _interopRequireDefault(_getIterator2);

exports.ExportDeclaration = ExportDeclaration;
exports.Scope = Scope;

var _babelTypes = require("babel-types");

var t = _interopRequireWildcard(_babelTypes);

function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }

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

var ModuleDeclaration = exports.ModuleDeclaration = {
  enter: function enter(path, file) {
    var node = path.node;

    if (node.source) {
      node.source.value = file.resolveModuleSource(node.source.value);
    }
  }
};

var ImportDeclaration = exports.ImportDeclaration = {
  exit: function exit(path, file) {
    var node = path.node;


    var specifiers = [];
    var imported = [];
    file.metadata.modules.imports.push({
      source: node.source.value,
      imported: imported,
      specifiers: specifiers
    });

    for (var _iterator = path.get("specifiers"), _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : (0, _getIterator3.default)(_iterator);;) {
      var _ref;

      if (_isArray) {
        if (_i >= _iterator.length) break;
        _ref = _iterator[_i++];
      } else {
        _i = _iterator.next();
        if (_i.done) break;
        _ref = _i.value;
      }

      var specifier = _ref;

      var local = specifier.node.local.name;

      if (specifier.isImportDefaultSpecifier()) {
        imported.push("default");
        specifiers.push({
          kind: "named",
          imported: "default",
          local: local
        });
      }

      if (specifier.isImportSpecifier()) {
        var importedName = specifier.node.imported.name;
        imported.push(importedName);
        specifiers.push({
          kind: "named",
          imported: importedName,
          local: local
        });
      }

      if (specifier.isImportNamespaceSpecifier()) {
        imported.push("*");
        specifiers.push({
          kind: "namespace",
          local: local
        });
      }
    }
  }
};

function ExportDeclaration(path, file) {
  var node = path.node;


  var source = node.source ? node.source.value : null;
  var exports = file.metadata.modules.exports;

  // export function foo() {}
  // export let foo = "bar";
  var declar = path.get("declaration");
  if (declar.isStatement()) {
    var bindings = declar.getBindingIdentifiers();

    for (var name in bindings) {
      exports.exported.push(name);
      exports.specifiers.push({
        kind: "local",
        local: name,
        exported: path.isExportDefaultDeclaration() ? "default" : name
      });
    }
  }

  if (path.isExportNamedDeclaration() && node.specifiers) {
    for (var _iterator2 = node.specifiers, _isArray2 = Array.isArray(_iterator2), _i2 = 0, _iterator2 = _isArray2 ? _iterator2 : (0, _getIterator3.default)(_iterator2);;) {
      var _ref2;

      if (_isArray2) {
        if (_i2 >= _iterator2.length) break;
        _ref2 = _iterator2[_i2++];
      } else {
        _i2 = _iterator2.next();
        if (_i2.done) break;
        _ref2 = _i2.value;
      }

      var specifier = _ref2;

      var exported = specifier.exported.name;
      exports.exported.push(exported);

      // export foo from "bar";
      if (t.isExportDefaultSpecifier(specifier)) {
        exports.specifiers.push({
          kind: "external",
          local: exported,
          exported: exported,
          source: source
        });
      }

      // export * as foo from "bar";
      if (t.isExportNamespaceSpecifier(specifier)) {
        exports.specifiers.push({
          kind: "external-namespace",
          exported: exported,
          source: source
        });
      }

      var local = specifier.local;
      if (!local) continue;

      // export { foo } from "bar";
      // export { foo as bar } from "bar";
      if (source) {
        exports.specifiers.push({
          kind: "external",
          local: local.name,
          exported: exported,
          source: source
        });
      }

      // export { foo };
      // export { foo as bar };
      if (!source) {
        exports.specifiers.push({
          kind: "local",
          local: local.name,
          exported: exported
        });
      }
    }
  }

  // export * from "bar";
  if (path.isExportAllDeclaration()) {
    exports.specifiers.push({
      kind: "external-all",
      source: source
    });
  }
}

function Scope(path) {
  path.skip();
}
},{"babel-runtime/core-js/get-iterator":50,"babel-types":108}],14:[function(require,module,exports){
(function (process){
"use strict";

exports.__esModule = true;

var _assign = require("babel-runtime/core-js/object/assign");

var _assign2 = _interopRequireDefault(_assign);

var _classCallCheck2 = require("babel-runtime/helpers/classCallCheck");

var _classCallCheck3 = _interopRequireDefault(_classCallCheck2);

exports.default = buildConfigChain;

var _resolve = require("../../../helpers/resolve");

var _resolve2 = _interopRequireDefault(_resolve);

var _json = require("json5");

var _json2 = _interopRequireDefault(_json);

var _pathIsAbsolute = require("path-is-absolute");

var _pathIsAbsolute2 = _interopRequireDefault(_pathIsAbsolute);

var _pathExists = require("path-exists");

var _pathExists2 = _interopRequireDefault(_pathExists);

var _path = require("path");

var _path2 = _interopRequireDefault(_path);

var _fs = require("fs");

var _fs2 = _interopRequireDefault(_fs);

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

var existsCache = {};
var jsonCache = {};

var BABELIGNORE_FILENAME = ".babelignore";
var BABELRC_FILENAME = ".babelrc";
var PACKAGE_FILENAME = "package.json";

function exists(filename) {
  var cached = existsCache[filename];
  if (cached == null) {
    return existsCache[filename] = _pathExists2.default.sync(filename);
  } else {
    return cached;
  }
}

function buildConfigChain() {
  var opts = arguments.length <= 0 || arguments[0] === undefined ? {} : arguments[0];
  var log = arguments[1];

  var filename = opts.filename;
  var builder = new ConfigChainBuilder(log);

  // resolve all .babelrc files
  if (opts.babelrc !== false) {
    builder.findConfigs(filename);
  }

  builder.mergeConfig({
    options: opts,
    alias: "base",
    dirname: filename && _path2.default.dirname(filename)
  });

  return builder.configs;
}

var ConfigChainBuilder = function () {
  function ConfigChainBuilder(log) {
    (0, _classCallCheck3.default)(this, ConfigChainBuilder);

    this.resolvedConfigs = [];
    this.configs = [];
    this.log = log;
  }

  ConfigChainBuilder.prototype.findConfigs = function findConfigs(loc) {
    if (!loc) return;

    if (!(0, _pathIsAbsolute2.default)(loc)) {
      loc = _path2.default.join(process.cwd(), loc);
    }

    var foundConfig = false;
    var foundIgnore = false;

    while (loc !== (loc = _path2.default.dirname(loc))) {
      if (!foundConfig) {
        var configLoc = _path2.default.join(loc, BABELRC_FILENAME);
        if (exists(configLoc)) {
          this.addConfig(configLoc);
          foundConfig = true;
        }

        var pkgLoc = _path2.default.join(loc, PACKAGE_FILENAME);