Bubleify.js
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
var _buble = require('buble');
var _objectAssign = require('object-assign');
var _objectAssign2 = _interopRequireDefault(_objectAssign);
var _stream = require('stream');
var _os = require('os');
var _path = require('path');
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
var Bubleify = function (_Transform) {
_inherits(Bubleify, _Transform);
function Bubleify(filename, options) {
_classCallCheck(this, Bubleify);
var _this = _possibleConstructorReturn(this, Object.getPrototypeOf(Bubleify).call(this));
_this._data = '';
_this._filename = filename;
_this._options = options;
return _this;
}
_createClass(Bubleify, [{
key: '_transform',
value: function _transform(buf, enc, cb) {
this._data += buf;
cb();
}
}, {
key: '_flush',
value: function _flush(cb) {
try {
var result = (0, _buble.transform)(this._data, this._bubleOptions);
var code = result.code;
if (this._options.sourceMap) {
// append sourcemaps to code
code += _os.EOL + '//# sourceMappingURL=' + result.map.toUrl();
}
this.emit('bubleify', result, this._filename);
this.push(code);
} catch (err) {
// emit buble error message instead of the default error
if (this._options.bubleError && err.snippet) {
this.emit('error', '---' + _os.EOL + err.snippet + _os.EOL + _os.EOL + err.message + _os.EOL);
} else {
this.emit('error', err);
}
return;
}
cb();
}
}, {
key: '_bubleOptions',
get: function get() {
var defaults = { source: this._filename };
var options = (0, _objectAssign2.default)(defaults, this._options);
// copy properties to not modify the existing objects
// set default transforms with deactivated modules
options.transforms = (0, _objectAssign2.default)({ modules: false }, this._options.transforms);
options.target = (0, _objectAssign2.default)({}, this._options.target);
// remove browserify options
delete options._flags;
delete options.sourceMap;
delete options.extensions;
delete options.bubleError;
return options;
}
}]);
return Bubleify;
}(_stream.Transform);
exports.default = function (filename, options) {
// get extensions or defaults
var _options$extensions = options.extensions;
var extensions = _options$extensions === undefined ? ['.js', '.jsx', '.es', '.es6'] : _options$extensions;
// convert to json
extensions = Array.isArray(extensions) ? extensions : [extensions];
var enrishedOptions = (0, _objectAssign2.default)({
sourceMap: true,
bubleError: false
}, options, { extensions: extensions });
var shouldIgnoreFile = extensions.indexOf((0, _path.extname)(filename)) === -1;
// return empty stream for files that should not be transformed
if (shouldIgnoreFile) {
// eslint-disable-next-line new-cap
return (0, _stream.PassThrough)();
}
return new Bubleify(filename, enrishedOptions);
};
//# sourceMappingURL=Bubleify.js.map