Collection of ramda extra

ramdax.js

export const isNotEmpty = R.complement(R.isEmpty);
export const isNotNil = R.complement(R.isNil);
export const isTruthy = R.both(isNotEmpty, isNotNil);
export const findObject = R.curry((predicate, filterableObject) => {
  return R.reduce(
    (acc, key) => {
      if (predicate(filterableObject[key])) {
        return R.reduced(filterableObject[key]);
      }
      return acc;
    },
    {},
    Object.keys(filterableObject)
  );
});

export const filterObjectToList = R.curry((predicate, filterableObject) => {
  return R.reduce(
    (acc, key) => {
      if (predicate(filterableObject[key])) {
        acc.push(filterableObject[key]);
      }
      return acc;
    },
    [],
    Object.keys(filterableObject)
  );
});

const data =  [{ name: 'coinbase', symbol: 'btcusd'}, {name: 'bitstamp', symbol:'ethbtc'}]

R.groupBy(R.prop('symbol'), data);

// Output:
//{"btcusd": [{"name": "coinbase", "symbol": "btcusd"}], "ethbtc": [{"name": "basecampe", "symbol": "ethbtc"}]}