1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226 |
1×
1×
1×
1×
1×
1×
1×
1×
1×
1×
1×
4×
1×
1×
1×
1×
110×
16×
16×
110×
74×
110×
110×
110×
110×
110×
1×
110×
110×
110×
110×
110×
110×
110×
110×
1×
16×
1×
32×
1×
2×
1×
2×
1×
8×
8×
1×
1×
15×
15×
10×
1×
8×
8×
8×
1×
11×
11×
1×
110×
1×
220×
1406×
1406×
1406×
1406×
1406×
52×
26×
52×
52×
26×
110×
16×
16×
110×
184×
16×
16×
168×
2×
2×
166×
4×
4×
162×
4×
4×
110×
176×
16×
16×
160×
2×
2×
158×
4×
4×
154×
4×
4×
110×
110×
110×
94×
94×
94×
12×
94×
94×
16×
16×
4×
12×
8×
8×
4×
110×
50×
110×
8×
1×
32×
32×
32×
32×
1× | 'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _jsExtend = require('js-extend');
var _promise = require('./deps/promise');
var _promise2 = _interopRequireDefault(_promise);
var _index = require('./replicate/index');
var _index2 = _interopRequireDefault(_index);
var _inherits = require('inherits');
var _inherits2 = _interopRequireDefault(_inherits);
var _events = require('events');
var _clone = require('./deps/clone');
var _clone2 = _interopRequireDefault(_clone);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
var replicate = _index2.default.replicate;
(0, _inherits2.default)(Sync, _events.EventEmitter);
exports.default = sync;
function sync(src, target, opts, callback) {
if (typeof opts === 'function') {
callback = opts;
opts = {};
}
if (typeof opts === 'undefined') {
opts = {};
}
opts = (0, _clone2.default)(opts);
/*jshint validthis:true */
opts.PouchConstructor = opts.PouchConstructor || this;
src = _index2.default.toPouch(src, opts);
target = _index2.default.toPouch(target, opts);
return new Sync(src, target, opts, callback);
}
function Sync(src, target, opts, callback) {
var self = this;
this.canceled = false;
var optsPush = opts.push ? (0, _jsExtend.extend)({}, opts, opts.push) : opts;
var optsPull = opts.pull ? (0, _jsExtend.extend)({}, opts, opts.pull) : opts;
this.push = replicate(src, target, optsPush);
this.pull = replicate(target, src, optsPull);
this.pushPaused = true;
this.pullPaused = true;
function pullChange(change) {
self.emit('change', {
direction: 'pull',
change: change
});
}
function pushChange(change) {
self.emit('change', {
direction: 'push',
change: change
});
}
function pushDenied(doc) {
self.emit('denied', {
direction: 'push',
doc: doc
});
}
function pullDenied(doc) {
self.emit('denied', {
direction: 'pull',
doc: doc
});
}
function pushPaused() {
self.pushPaused = true;
if (self.pullPaused) {
self.emit('paused');
}
}
function pullPaused() {
self.pullPaused = true;
if (self.pushPaused) {
self.emit('paused');
}
}
function pushActive() {
self.pushPaused = false;
Eif (self.pullPaused) {
self.emit('active', {
direction: 'push'
});
}
}
function pullActive() {
self.pullPaused = false;
/* istanbul ignore if */
Iif (self.pushPaused) {
self.emit('active', {
direction: 'pull'
});
}
}
var removed = {};
function removeAll(type) {
// type is 'push' or 'pull'
return function (event, func) {
var isChange = event === 'change' && (func === pullChange || func === pushChange);
var isDenied = event === 'denied' && (func === pullDenied || func === pushDenied);
var isPaused = event === 'paused' && (func === pullPaused || func === pushPaused);
var isActive = event === 'active' && (func === pullActive || func === pushActive);
if (isChange || isDenied || isPaused || isActive) {
if (!(event in removed)) {
removed[event] = {};
}
removed[event][type] = true;
if (Object.keys(removed[event]).length === 2) {
// both push and pull have asked to be removed
self.removeAllListeners(event);
}
}
};
}
if (opts.live) {
this.push.on('complete', self.pull.cancel.bind(self.pull));
this.pull.on('complete', self.push.cancel.bind(self.push));
}
this.on('newListener', function (event) {
if (event === 'change') {
self.pull.on('change', pullChange);
self.push.on('change', pushChange);
} else if (event === 'denied') {
self.pull.on('denied', pullDenied);
self.push.on('denied', pushDenied);
} else if (event === 'active') {
self.pull.on('active', pullActive);
self.push.on('active', pushActive);
} else if (event === 'paused') {
self.pull.on('paused', pullPaused);
self.push.on('paused', pushPaused);
}
});
this.on('removeListener', function (event) {
if (event === 'change') {
self.pull.removeListener('change', pullChange);
self.push.removeListener('change', pushChange);
} else if (event === 'denied') {
self.pull.removeListener('denied', pullDenied);
self.push.removeListener('denied', pushDenied);
} else if (event === 'active') {
self.pull.removeListener('active', pullActive);
self.push.removeListener('active', pushActive);
} else if (event === 'paused') {
self.pull.removeListener('paused', pullPaused);
self.push.removeListener('paused', pushPaused);
}
});
this.pull.on('removeListener', removeAll('pull'));
this.push.on('removeListener', removeAll('push'));
var promise = _promise2.default.all([this.push, this.pull]).then(function (resp) {
var out = {
push: resp[0],
pull: resp[1]
};
self.emit('complete', out);
if (callback) {
callback(null, out);
}
self.removeAllListeners();
return out;
}, function (err) {
self.cancel();
if (callback) {
// if there's a callback, then the callback can receive
// the error event
callback(err);
} else {
// if there's no callback, then we're safe to emit an error
// event, which would otherwise throw an unhandled error
// due to 'error' being a special event in EventEmitters
self.emit('error', err);
}
self.removeAllListeners();
if (callback) {
// no sense throwing if we're already emitting an 'error' event
throw err;
}
});
this.then = function (success, err) {
return promise.then(success, err);
};
this.catch = function (err) {
return promise.catch(err);
};
}
Sync.prototype.cancel = function () {
Eif (!this.canceled) {
this.canceled = true;
this.push.cancel();
this.pull.cancel();
}
};
module.exports = exports['default']; |