realm-js/lib/extensions.js

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////////////////////////////////////////////////////////////////////////////
//
// Copyright 2016 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';
let getOwnPropertyDescriptors = Object.getOwnPropertyDescriptors || function(obj) {
return Object.getOwnPropertyNames(obj).reduce(function (descriptors, name) {
descriptors[name] = Object.getOwnPropertyDescriptor(obj, name);
return descriptors;
}, {});
};
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function setConstructorOnPrototype(klass) {
if (klass.prototype.constructor !== klass) {
Object.defineProperty(klass.prototype, 'constructor', { value: klass, configurable: true, writable: true });
}
}
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module.exports = function(realmConstructor) {
// Add the specified Array methods to the Collection prototype.
Object.defineProperties(realmConstructor.Collection.prototype, require('./collection-methods'));
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setConstructorOnPrototype(realmConstructor.Collection);
setConstructorOnPrototype(realmConstructor.List);
setConstructorOnPrototype(realmConstructor.Results);
setConstructorOnPrototype(realmConstructor.Object);
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//Add async open API
Object.defineProperties(realmConstructor, getOwnPropertyDescriptors({
open(config) {
return new Promise((resolve, reject) => {
realmConstructor._waitForDownload(config, (error) => {
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if (error) {
reject(new Error("Cannot asynchronously open synced Realm, because the associated session previously experienced a fatal error"));
}
let syncedRealm = new realmConstructor(config);
resolve(syncedRealm);
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});
});
},
openAsync(config, callback) {
realmConstructor._waitForDownload(config, (error) => {
if (error) {
callback(new Error("Cannot asynchronously open synced Realm, because the associated session previously experienced a fatal error"));
}
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let syncedRealm = new realmConstructor(config);
callback(null, syncedRealm);
});
},
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}));
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// Add sync methods
if (realmConstructor.Sync) {
let userMethods = require('./user-methods');
Object.defineProperties(realmConstructor.Sync.User, getOwnPropertyDescriptors(userMethods.static));
Object.defineProperties(realmConstructor.Sync.User.prototype, getOwnPropertyDescriptors(userMethods.instance));
Object.defineProperty(realmConstructor.Sync.User, '_realmConstructor', { value: realmConstructor });
realmConstructor.Sync.AuthError = require('./errors').AuthError;
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if (realmConstructor.Sync.cleanup) {
// FIXME: DOES THIS WORK ON BOTH NODE AND REACT NATIVE?
process.on('exit', realmConstructor.Sync.cleanup);
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process.on('SIGINT', function () {
realmConstructor.Sync.cleanup();
process.exit(2);
});
process.on('uncaughtException', function(e) {
realmConstructor.Sync.cleanup();
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/* eslint-disable no-console */
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console.log(e.stack);
process.exit(99);
});
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}
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setConstructorOnPrototype(realmConstructor.Sync.User);
setConstructorOnPrototype(realmConstructor.Sync.Session);
} else {
Object.defineProperty(realmConstructor, 'Sync', {
get: function () {
throw new Error("Realm.Sync is not available. Note that the developer edition of the Node.JS SDK for Realm does not include sync on Linux.");
}
})
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}
// TODO: Remove this now useless object.
var types = Object.freeze({
'BOOL': 'bool',
'INT': 'int',
'FLOAT': 'float',
'DOUBLE': 'double',
'STRING': 'string',
'DATE': 'date',
'DATA': 'data',
'OBJECT': 'object',
'LIST': 'list',
});
Object.defineProperty(realmConstructor, 'Types', {
get: function() {
if (typeof console != 'undefined') {
/* global console */
/* eslint-disable no-console */
var stack = new Error().stack.split("\n").slice(2).join("\n");
var msg = '`Realm.Types` is deprecated! Please specify the type name as lowercase string instead!\n'+stack;
if (console.warn != undefined) {
console.warn(msg);
}
else {
console.log(msg);
}
/* eslint-enable no-console */
}
return types;
},
configurable: true
});
}