Still tinkering with how to make it work.

costar.js

@@ -1,6 +1,4 @@
-const csvToJson = require('csvtojson');
-const { Parser } = require('json2csv');
-const fs = require('fs');
+
 
 function formatPhoneNumber(phoneNumber){
   if (phoneNumber.length > 0){

index.html

@@ -15,7 +15,7 @@
     Chromium <span id="chrome-version"></span>,
     and Electron <span id="electron-version"></span>.
 
-    <button onclick="processFiles()">Ingest</button>
+    <button id="ingestBtn">Ingest</button>
 
     <!-- You can also require other files to run in this process -->
     <script src="./renderer.js"></script>

main.js

@@ -1,7 +1,9 @@
 // Modules to control application life and create native browser window
-const {app, BrowserWindow} = require('electron')
+const {app, BrowserWindow, Menu} = require('electron')
 const path = require('path')
-const costar = require('./costar');
+const csvToJson = require('csvtojson');
+const { Parser } = require('json2csv');
+const fs = require('fs');
 
 function createWindow () {
   // Create the browser window.
@@ -31,6 +33,14 @@ app.whenReady().then(() => {
     // dock icon is clicked and there are no other windows open.
     if (BrowserWindow.getAllWindows().length === 0) createWindow()
   })
+
+  // Enable dev tools
+
+  document.getElementById('ingestBtn').addEventListener('click', processFiles());
+
+  // Create a custom application menu
+  // const mainMenu = Menu.buildFromTemplate(mainMenuTemplate);
+  // Menu.setApplicationMenu(mainMenu);
 })
 
 // Quit when all windows are closed, except on macOS. There, it's common
@@ -42,3 +52,176 @@ app.on('window-all-closed', function () {
 
 // In this file you can include the rest of your app's specific main process
 // code. You can also put them in separate files and require them here.
+
+const mainMenuTemplate = [
+  {
+    label: 'Example'
+  }
+]
+
+function formatPhoneNumber(phoneNumber){
+  if (phoneNumber.length > 0){
+    return `(${phoneNumber.slice(0, 3)}) ${phoneNumber.slice(3, 6)}-${phoneNumber.slice(6)}`;
+  }
+  return phoneNumber;
+}
+
+function addQuotes(value){
+  if (value.includes(',')){
+    return `"${value}"`;
+  }
+  return value;
+}
+
+function addCommaToNumber(value){
+  for(var i = value.length; i > 0; i = i - 3){
+    value = `${value.slice(0, i)},${value.slice(i)}`;
+  }
+  return value.slice(0, value.length - 1);
+}
+
+function removeExtraZipCode(value){
+  var pieces = value.split('-');
+  return pieces[0];
+}
+
+function processOwnerFile(){
+  csvToJson({
+    noheader: false,
+    headers: [
+      'PropertyAddress',
+      'PropertyName',
+      'RBA',
+      'City',
+      'State',
+      'Zip',
+      'CountyName',
+      'LandAreaAC',
+      'ParcelNumber1',
+      'PropertyType',
+      'TrueOwnerAddress',
+      'TrueOwnerCityStateZip',
+      'TrueOwnerContact',
+      'TrueOwnerName',
+      'TrueOwnerPhone',
+      'SecondaryType',
+      'OwnerName',
+      'OwnerPhone'
+    ]
+  }).fromFile('./data/i96.csv').then((jsonObj) => {
+    let data = jsonObj.map((x) => {
+      let y = {};
+      y['Description Address L Name'] = `${x.PropertyAddress} ${x.City} ${x.State} ${x.Zip.slice(0, 5)}`;
+      y['Property Address L Custom Building Address'] = `${x.PropertyAddress} ${x.City} ${x.State} ${x.Zip.slice(0, 5)}`;
+      y['Property Name L Custom Property Name'] = addQuotes(x.PropertyName);
+      y['RBA L Custom SF Building'] = addQuotes(addCommaToNumber(x.RBA));
+      y['Property Address P'] = x.PropertyAddress;
+      y['City P'] = x.City;
+      y['State P'] = x.State;
+      y['No Zip'] = x.Zip;
+      y['Zip P'] = x.Zip.slice(0, 5);
+      y['County Name C Territory'] = `${x.CountyName} County`;
+      y['Land Area (AC) L Custom'] = x.LandAreaAC;
+      y['Parcel Number L Custom'] = x.ParcelNumber1;
+      y['Property Type L Tag'] = 'Industrial';
+      y['True Owner Address C Address: Main Address 1 Full Adress'] = addQuotes(x.TrueOwnerAddress);
+      y['True Owner City State Zip C Address: Main City'] = x.TrueOwnerCityStateZip.length > 0 ? addQuotes(`${removeExtraZipCode(x.TrueOwnerCityStateZip)}`): x.TrueOwnerCityStateZip;
+      y['True Owner Contact P Full Name'] = addQuotes(x.TrueOwnerContact);
+      y['True Owner Name L Custom True Owner'] = addQuotes(x.TrueOwnerName);
+      y['True Owner Phone P Work'] = formatPhoneNumber(x.TrueOwnerPhone);
+      y['Secondary Type L Custom'] =  addQuotes(x.SecondaryType);
+      y['Owner Name L Custom Owners Name'] = '';
+      y['Owner Phone L owner Phone'] = '';
+      y['Owner Name Name C Name'] = x.TrueOwnerName.length > 0 ? addQuotes(x.TrueOwnerName): addQuotes(x.OwnerName);
+      y['Assignee L Assignee'] = 'EJR';
+      y['C Tag Industrial'] = 'Industrial';
+      y['Market Area L Custom'] = 'Central I-96 Corridor';
+      y['Owner C Tag'] = 'Owner';
+      y['Status L'] = 'Pending';
+      y['C Description'] = 'Owner';
+
+      return y;
+    });
+    fs.writeFileSync('./data/result.json', JSON.stringify(data, null, 2));
+    const parser = new Parser({
+      quote: '',
+    });
+    const csv = parser.parse(data);
+    // console.log(csv);
+    fs.writeFileSync('./data/result.csv', csv);
+  });
+}
+
+function processTenantFile(){
+  csvToJson({
+    noheader: false,
+    headers: [
+      'FullName',            
+      'LastName',
+      'FirstName',           
+      'Title',
+      'CompanyName',         
+      'Phone',
+      'Address',             
+      'Suite',
+      'City',                
+      'State',
+      'Zip',                 
+      'TenantWebAddress',
+      'Zip4',               
+      'TenantSICDescription',
+      'TenantSFOccupied',   
+      'TenantLocation',
+      'TenantEmp',         
+      'TenPhone',
+      'MoveDate',            
+      'MailingAddressAddress',
+      'MailingAddressCity', 
+      'MailingAddressState',
+      'MailingAddressZip'
+    ]
+  }).fromFile('./data/i96tenant.csv').then(jsonObj => {
+    let data = jsonObj.map(x => {
+      let y = {};
+      y['Full Name P Name Full Name'] = x.FullName;
+      y['Last Name'] = x.LastName;
+      y['First Name'] = x.FirstName;
+      y['Title P Job Title'] = x.Title;
+      y['Company Name C Name'] = addQuotes(x.CompanyName);
+      y['Phone P Phone Work'] = x.Phone;
+      y['Address C Address: Main Address 1'] = x.Address;
+      y['Suite C Address: Other Adress 2'] = x.Suite;
+      y['City C City'] = x.City;
+      y['State C State'] = x.State;
+      y['Zip C Zip'] = x.Zip;
+      y['Tenant: Web Address C URL'] = x.TenantWebAddress;
+      y['Tenant: SIC Description C SIC Description'] = addQuotes(x.TenantSICDescription);
+      y['Tenant: SF Occupied C Custom SF Occupied'] = x.TenantSFOccupied;
+      y['Tenant: Location C  Custom Location Type'] = x.TenantLocation;
+      y['Tenant: # Emp C Custom Employee Count'] = x.TenantEmp;
+      y['Ten_Phone C Phone work'] = x.TenPhone;
+      y['Move Date C Custom Move Date'] = x.MoveDate;
+      y['Mailing Address: Address P Address: Main Address 1'] = x.MailingAddressAddress;
+      y['Mailing Address: City P Address: Main City'] = x.MailingAddressCity;
+      y['Mailing Address: State P Address: Main State'] = x.MailingAddressState;
+      y['Mailing Address: Zip P Address: Main State'] = x.MailingAddressZip;
+      y['C Tag'] = `"Industrial", "Tenant"`;
+      y['C Description'] = 'Tenant';
+
+      return y;
+    });
+    fs.writeFileSync('./data/tenant_result.json', JSON.stringify(data, null, 2));
+    const parser = new Parser({
+      quote: '',
+    });
+    const csv = parser.parse(data);
+    // console.log(csv);
+    fs.writeFileSync('./data/tenant_result.csv', csv);
+  })
+}
+
+function processFiles(){
+  console.log('Yo.');
+  processOwnerFile();
+  processTenantFile();
+}