atom-nuclide/pkg/commons-atom/sync-atom-commands.js

A unified developer experience for web and mobile development, built as a suite of features on top of Atom to provide hackability and the support of an active community.

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.
 */

var _bind = Function.prototype.bind;
exports.default = syncAtomCommands;

function _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) arr2[i] = arr[i]; return arr2; } else { return Array.from(arr); } }

var _commonsNodeStream2;

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

var _atom2;

function _atom() {
  return _atom2 = require('atom');
}

var _rxjsBundlesRxUmdMinJs2;

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

/**
 * A utility that adds and removes commands to the Atom command registry based on their presence in
 * a stream. This is basically like a mini-React for Atom commands, however, instead of diffing the
 * result (commands), we diff the input (sets) since it's easier and less likely to contain
 * functions (which are unlikely to be able to be safely compared using `===`).
 */

function syncAtomCommands(source, project, hash) {
  // Add empty sets before completing and erroring to make sure that we remove remaining commands
  // in both cases.
  var sets = source.concat((_rxjsBundlesRxUmdMinJs2 || _rxjsBundlesRxUmdMinJs()).Observable.of(new Set())).catch(function (err) {
    return (_rxjsBundlesRxUmdMinJs2 || _rxjsBundlesRxUmdMinJs()).Observable.of(new Set()).concat((_rxjsBundlesRxUmdMinJs2 || _rxjsBundlesRxUmdMinJs()).Observable.throw(err));
  });

  return (0, (_commonsNodeStream2 || _commonsNodeStream()).reconcileSets)(sets, function (item) {
    var commands = project(item);
    var disposables = Object.keys(commands).map(function (target) {
      return atom.commands.add(target, commands[target]);
    });
    return new (_bind.apply((_atom2 || _atom()).CompositeDisposable, [null].concat(_toConsumableArray(disposables))))();
  }, hash);
}

module.exports = exports.default;