JCMais

// @flow
import { ConnectionHandler } from 'relay-runtime';
import { isObject, isArray } from 'lodash/fp';

export function listRecordRemoveUpdater({ parentId, itemId, parentFieldName, store }) {
  const parentProxy = store.get(parentId);
  const items = parentProxy.getLinkedRecords(parentFieldName);

  parentProxy.setLinkedRecords(items.filter(record => record._dataID !== itemId), parentFieldName);
}

JCMais

// @flow
import { ConnectionHandler } from 'relay-runtime';
import { isObject, isArray } from 'lodash/fp';

export function listRecordRemoveUpdater({ parentId, itemId, parentFieldName, store }) {
  const parentProxy = store.get(parentId);
  const items = parentProxy.getLinkedRecords(parentFieldName);

  parentProxy.setLinkedRecords(items.filter(record => record._dataID !== itemId), parentFieldName);
}

JCMais

Basics

• Learn how to start a new react native project
• Run it on ios simulator, on android emulator, on a real iPhone device and on a real Android device, with and without debugging enabled.
• Learn how to upgrade a react native project
• Learn how to add a package to the project
• Learn how to add a package that has a native dependency (https://github.com/airbnb/react-native-maps, https://github.com/evollu/react-native-fcm) - DO NOT USE COCOAPODS
• Learn how to use fetch to get data from your backend

Learn Navigation

• (https://github.com/exponent/ex-navigation#an-important-note-about-the-future)

JCMais

            DO WTF YOU WANT TO PUBLIC LICENSE
                    Version 2, December 2004

 Copyright (C) 2011 Alexey Silin <pinkoblomingo@gmail.com>

 Everyone is permitted to copy and distribute verbatim or modified
 copies of this license document, and changing it is allowed as long
 as the name is changed.

            DO WTF YOU WANT TO PUBLIC LICENSE

JCMais

Drop in replace functions for setTimeout() & setInterval() that 
make use of requestAnimationFrame() for performance where available
http://www.joelambert.co.uk

Copyright 2011, Joe Lambert.
Free to use under the MIT license.
http://www.opensource.org/licenses/mit-license.php

JCMais

Array.prototype.duplicates = function ( ) {
    return this.filter ( function ( x , y , k ) {
        return y !== k.lastIndexOf ( x );
    });
};

Array.prototype.hasDuplicates = function ( ) {
    var me = this;
    return me.some ( function ( idx ) {
        return me.indexOf( idx ) !== me.lastIndexOf ( idx );