flint-babel-core/lib/api/node.js

"use strict";

exports.__esModule = true;
exports.register = register;
exports.polyfill = polyfill;
exports.transformFile = transformFile;
exports.transformFileSync = transformFileSync;
exports.parse = parse;
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function _interopRequire(obj) { return obj && obj.__esModule ? obj["default"] : obj; }

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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; } }

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

var _lodashLangIsFunction = require("lodash/lang/isFunction");

var _lodashLangIsFunction2 = _interopRequireDefault(_lodashLangIsFunction);

var _transformation = require("../transformation");

var _transformation2 = _interopRequireDefault(_transformation);

var _flintBabylon = require("flint-babylon");

var babylon = _interopRequireWildcard(_flintBabylon);

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

var util = _interopRequireWildcard(_util);

var _fs = require("fs");

var _fs2 = _interopRequireDefault(_fs);

var _types = require("../types");

var t = _interopRequireWildcard(_types);

exports.util = util;
exports.acorn = babylon;
exports.transform = _transformation2["default"];
exports.pipeline = _transformation.pipeline;
exports.canCompile = _util.canCompile;

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

exports.File = _interopRequire(_transformationFile);

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

exports.options = _interopRequire(_transformationFileOptionsConfig);

var _transformationPlugin = require("../transformation/plugin");

exports.Plugin = _interopRequire(_transformationPlugin);

var _transformationTransformer = require("../transformation/transformer");

exports.Transformer = _interopRequire(_transformationTransformer);

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

exports.Pipeline = _interopRequire(_transformationPipeline);

var _traversal = require("../traversal");

exports.traverse = _interopRequire(_traversal);

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

exports.buildExternalHelpers = _interopRequire(_toolsBuildExternalHelpers);

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

exports.version = _package.version;
exports.types = t;

/**
 * Register Babel and polyfill globally.
 */

function register(opts) {
  var callback = require("./register/node-polyfill");
  if (opts != null) callback(opts);
  return callback;
}

/**
 * Register polyfill globally.
 */

function polyfill() {
  require("../polyfill");
}

/**
 * Asynchronously transform `filename` with optional `opts`, calls `callback` when complete.
 */

function transformFile(filename, opts, callback) {
  if (_lodashLangIsFunction2["default"](opts)) {
    callback = opts;
    opts = {};
  }

  opts.filename = filename;

  _fs2["default"].readFile(filename, function (err, code) {
    if (err) return callback(err);

    var result;

    try {
      result = _transformation2["default"](code, opts);
    } catch (err) {
      return callback(err);
    }

    callback(null, result);
  });
}

/**
 * Synchronous form of `transformFile`.
 */

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

  opts.filename = filename;
  return _transformation2["default"](_fs2["default"].readFileSync(filename, "utf8"), opts);
}

/**
 * Parse script with Babel's parser.
 */

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

  opts.allowHashBang = true;
  opts.sourceType = "module";
  opts.ecmaVersion = Infinity;
  opts.plugins = {
    jsx: true,
    flow: true
  };
  opts.features = {};

  for (var key in _transformation2["default"].pipeline.transformers) {
    opts.features[key] = true;
  }

  var ast = babylon.parse(code, opts);

  if (opts.onToken) {
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    var _opts$onToken;

    (_opts$onToken = opts.onToken).push.apply(_opts$onToken, ast.tokens);
  }

  if (opts.onComment) {
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    var _opts$onComment;

    (_opts$onComment = opts.onComment).push.apply(_opts$onComment, ast.comments);
  }

  return ast.program;
}