Get timestamps out of Jerma !sus strings

parseSus.js

const date = require('date-and-time');
const day_of_week = require('date-and-time/plugin/day-of-week');
const meridiem = require('date-and-time/plugin/meridiem');
date.plugin(meridiem);
date.plugin(day_of_week);
var { DateTime } = require('luxon');

var stringToParse = 'You cast SUS! You sense the next stream starting on Friday the 11th around 3pm PST';
var splitString = stringToParse.split(" ");
var currentDate = DateTime.local().setZone('America/Los_Angeles'); //you can comment out .setZone to use your local time
var streamDates = new Array;
var streamTimes = new Array;

for (i = 0; i < splitString.length; i++) {
	//get the time for formats like '4pm'
	if (date.isValid(splitString[i], 'hA...')) {
		streamTimes.push(date.preparse(splitString[i], 'hA...').H);
	}
	else {
		//if date is given as a number, we want this to be prioritised 
		if (date.isValid(splitString[i], 'D...')) {
			streamDates.push(date.preparse(splitString[i], 'D...').D);
		}
		
		//otherwise lets look for a written day of the week, like "Saturday"
		else if (date.isValid(splitString[i], 'dd...')) {
			var streamDay = date.preparse(splitString[i], 'dd...').d;
			var difference = ((streamDay - currentDate.weekday) + 7) % 7 //weird mod stuff to make asking for a day next week work correctly
			streamDates.push(currentDate.day + difference);
		}
		
	}
	
}

console.log("Possible stream times " + streamTimes);
console.log("Possible stream dates " + streamDates);

var latestTime = (parseInt(Math.max.apply(Math, streamTimes))) || 16; //default stream time is 4pm
var latestDay = (parseInt(Math.max.apply(Math, streamDates))) || currentDate.day; //default stream day is today

evaulatedStreamTime = DateTime.fromObject({day: latestDay, hour: latestTime, zone: 'America/Los_Angeles', numberingSystem: 'beng'});

console.log("evaulated stream day " + evaulatedStreamTime.day);
console.log("evaulated stream hour " + evaulatedStreamTime.hour);
console.log("evaulated stream unix time " + (evaulatedStreamTime / 1000));