Point in polygon JavaScript

Point in polygon JavaScript.js

import 'dotenv/config';
import fs from 'fs';
import readline from 'readline';
import { TravelTimeClient } from 'traveltime-api';

const data = [];
const stream = fs.createReadStream('../data/customers.csv');
const reader = readline.createInterface({ input: stream });
const outputDir = './results';
const outputPath = `${outputDir}/reachable_customers.json`;

const traveltimeClient = new TravelTimeClient({
  apiKey: process.env.TT_APP_KEY || 'YOUR_APP_ID',
  applicationId: process.env.TT_APP_ID || 'YOUR_APP_KEY',
});

reader.on('line', (row) => { data.push(row.split(',')); });
reader.on('close', async () => {
  data.shift();

  const locations = data.map((row) => ({
    id: row[0],
    coords: {
      lat: parseFloat(row[1]),
      lng: parseFloat(row[2]),
    },
  }));

  const departureLocation = locations[0];
  const arrivalLocations = locations.slice(1);

  const { results } = await traveltimeClient.timeFilter({
    locations,
    departure_searches: [
      {
        id: 'departure search example',
        departure_location_id: departureLocation.id,
        arrival_location_ids: arrivalLocations.map((location) => location.id),
        transportation: { type: 'driving' },
        travel_time: 1800,
        departure_time: new Date().toISOString(),
        properties: ['travel_time'],
      },
    ],
  });

  console.log(`Number of unreachable customers - ${results[0].unreachable.length}`);

  if (!fs.existsSync(outputDir)) {
    fs.mkdirSync(outputDir);
  }

  fs.writeFileSync(outputPath, JSON.stringify(results[0].locations, null, 2));
  console.log(`Done, results saved at: ${outputPath}`);
});