index.js

const csv = require('csv-parser');
const fs = require('fs');

const endPoints = {}
console.log("digraph g{")
console.log("rankdir=LR;")
console.log("node [style=filled];")
fs.createReadStream('data.csv')
  .pipe(csv())
  .on('data', (row) => {
    endPoints[row.Endpoint] = {}
    const depts = row['Internal Dependencies'].split('\n').filter(Boolean)
    const testDepts = row['Integration Test Dependencies'].split('\n').filter(Boolean)
    const tableDepts = row['Major Internal Table Dependencies'] ?
      row['Major Internal Table Dependencies'].split('\n').filter(Boolean) :
      []
    const tables = []
    depts.forEach((dept) => {
      console.log(`"${row.Endpoint}"->"${dept}" [color="0.002 0.999 0.999"]`);
    })
    tableDepts.forEach((table) => {
      console.log(`"${row.Endpoint}"->"${table}"`);
      tables.push(table)
    })
    testDepts.forEach((dept) => {
      console.log(`"${row.Endpoint}"->"${row.Endpoint} Integration Test"->"${dept}" [color="0.348 0.839 0.839"]`);
    // console.log(`"${row.Endpoint}"->"Integration Test"->"${dept}"`);
    })
    tables.forEach((table) => {
      console.log(`${table} [color="0.650 0.200 1.000"]`);
    })
  //
  })
  .on('end', () => {
    console.log("}")
  });