sirmews/check if keys exist and are not null.js

## check if keys exist and are not null.js
const doNecessaryKeysExist = (obj) => {
	const neededKeys = ['GID', 'day_part', 'day']
	let expectedTrueValues = neededKeys.length
	let trueValues = neededKeys.reduce((a, prop) => {
		return a + (prop in obj && obj[prop] !== null)
	}, 0);
	return expectedTrueValues === trueValues
}
	const doNecessaryKeysExist = (obj) => {
	const neededKeys = ['GID', 'day_part', 'day']
	let expectedTrueValues = neededKeys.length
	let trueValues = neededKeys.reduce((a, prop) => {
	return a + (prop in obj && obj[prop] !== null)
	}, 0);
	return expectedTrueValues === trueValues
	}