Blog - Achieving point-free JavaScript - ramda refactored

lead-time-ramda-refactored.js

import {pipe, pluck, converge, head, last} from 'ramda';
import {daysSpent} from './utils/dates';

// leadTime : [{date: Date}] -> Number
const leadTime = pipe(
  pluck('date'),                         // first convert input into [Date]
  converge( daysSpent, [ head, last ] )  // then pick proper ones for calculation
);