javascriptInitialChallenges.js

// Training JS #1 Create your first function
// https://www.codewars.com/kata/571ec274b1c8d4a61c0000c8
const helloWorld = () => {
  const str = 'Hello World!';
  console.log(str);
}

// Training #6 basic data-types and conditional statements
// https://www.codewars.com/kata/571f832f07363d295d001ba8/javascript
const trueOrFalse = val => Boolean(val).toString();

// Even or Odd
// https://www.codewars.com/kata/53da3dbb4a5168369a0000fe
const evenOrOdd = number => number % 2 === 0 ? 'Even' : 'Odd';

// Simple Calculator
// https://www.codewars.com/kata/57158fb92ad763bb180004e7/javascript
const MINIMUM_WATER_REQUIREMENT_MM = 40;

const RESPONSES = {
  NEED_MORE_WATER: (deficit) => `You need to give your plant ${deficit}mm of water`,
  ENOUGH_WATER: "Your plant has had more than enough water for today!",
};

const rainAmount = (rainfallAmount) => {
  if (rainfallAmount < MINIMUM_WATER_REQUIREMENT_MM) {
    const waterDeficit = MINIMUM_WATER_REQUIREMENT_MM - rainfallAmount;
    return RESPONSES.NEED_MORE_WATER(waterDeficit);
  }
  return RESPONSES.ENOUGH_WATER;
};