realm-js/lib/notification-worker.js

69 lines
2.0 KiB
JavaScript

////////////////////////////////////////////////////////////////////////////
//
// Copyright 2017 Realm Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
////////////////////////////////////////////////////////////////////////////
'use strict';
const require_method = require;
// Prevent React Native packager from seeing modules required with this
function nodeRequire(module) {
return require_method(module);
}
const Realm = require('.');
let impl;
process.on('message', (m) => {
switch (m.message) {
case 'load':
impl = require(m.module);
break;
case 'available':
if (impl.onavailable) {
impl.onavailable(m.path);
}
process.send({});
break;
case 'change':
if (impl.onchange) {
const change = Realm.Sync._deserializeChangeSet(m.change);
if (!change.isEmpty) {
try {
impl.onchange(change);
}
catch (e) {
change.close();
process.send({change: m.change});
throw e;
}
}
change.close();
}
process.send({change: m.change});
break;
case 'message':
if (impl.onmessage) {
impl.onmessage(m.body);
}
process.send({});
break;
case 'stop':
process.exit(0);
}
});