tinncdev

import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;

public abstract class EndlessRecyclerOnScrollListener extends RecyclerView.OnScrollListener {
    public static String TAG = EndlessRecyclerOnScrollListener.class.getSimpleName();

    private int previousTotal = 0; // The total number of items in the dataset after the last load
    private boolean loading = true; // True if we are still waiting for the last set of data to load.
    private int visibleThreshold = 5; // The minimum amount of items to have below your current scroll position before loading more.
    int firstVisibleItem, visibleItemCount, totalItemCount;

tinncdev

// A simple function to transform any string to snake case, skip all none alphanumberic characters
// Example: `NET WET. 0.09 g / 0.003 OZ.` will output `net_wet_0_09_g_0_003_oz`

const toSnakeCase = (text) => text.match(/[A-Z]{2,}(?=[A-Z][a-z]+[0-9]*|\b)|[A-Z]?[a-z]+[0-9]*|[A-Z]|[0-9]+/g)
    .map(x => x.toLowerCase())
    .join('_');
    

tinncdev

function diff<T>(
    currentItems: T[],
    newItems: T[],
    identifier: (item: T) => any,
    equalComparator: (item1: T, item2: T) => boolean,
  ): { added: T[], updated: T[], deleted: T[], unchanged: T[] } {
    const added: T[] = [];
    const updated: T[] = [];
    const deleted: T[] = [];
    const unchanged: T[] = [];