atom-nuclide/pkg/nuclide-ios-simulator-logs/lib/createMessageStream.js

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Object.defineProperty(exports, '__esModule', {
  value: true
});

/*
 * Copyright (c) 2015-present, Facebook, Inc.
 * All rights reserved.
 *
 * This source code is licensed under the license found in the LICENSE file in
 * the root directory of this source tree.
 */

exports.createMessageStream = createMessageStream;

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

var _commonsNodeStream2;

function _commonsNodeStream() {
  return _commonsNodeStream2 = require('../../commons-node/stream');
}

var _commonsAtomFeatureConfig2;

function _commonsAtomFeatureConfig() {
  return _commonsAtomFeatureConfig2 = _interopRequireDefault(require('../../commons-atom/featureConfig'));
}

var _createMessage2;

function _createMessage() {
  return _createMessage2 = require('./createMessage');
}

var _plist2;

function _plist() {
  return _plist2 = _interopRequireDefault(require('plist'));
}

var _rxjsBundlesRxUmdMinJs2;

function _rxjsBundlesRxUmdMinJs() {
  return _rxjsBundlesRxUmdMinJs2 = _interopRequireDefault(require('rxjs/bundles/Rx.umd.min.js'));
}

function createMessageStream(line$) {

  // Group the lines into valid plist strings.
  return (0, (_commonsNodeStream2 || _commonsNodeStream()).bufferUntil)(line$, function (line) {
    return line.trim() === '</plist>';
  })
  // Don't include empty buffers. This happens if the stream completes since we opened a new
  // buffer when the previous record ended.
  .filter(function (lines) {
    return lines.length > 1;
  }).map(function (lines) {
    return lines.join('');
  })

  // Parse the plists. Each parsed plist contains an array which, in turn, *may* contain dicts
  // (that correspond to records). We just want those dicts so we use `flatMap()`.
  .flatMap(function (xml) {
    return (_plist2 || _plist()).default.parse(xml);
  })

  // Exclude dicts that don't have any message property.
  .filter(function (record) {
    return record.hasOwnProperty('Message');
  })

  // Exclude blacklisted senders.
  // FIXME: This is a stopgap. What we really need to do is identify the currently running app and
  //   only show its messages. ):
  .filter(function (record) {
    var blacklist = (_commonsAtomFeatureConfig2 || _commonsAtomFeatureConfig()).default.get('nuclide-ios-simulator-logs.senderBlacklist');
    return blacklist.indexOf(record.Sender) === -1;
  })

  // Format the messages for Nuclide.
  .map((_createMessage2 || _createMessage()).createMessage);
}