(Node.js) QuickBooks - Parse the JSON of a Customer Balance Detail Report

This example is to show how to parse the JSON of a particular Quickbooks report. The techniques shown here may help in parsing similar reports.

The JSON to be parsed is available at Sample Quickbooks Customer Balance Detail Report JSON

Install Chilkat for Node.js and Electron using npm at Chilkat npm packages for Node.js Chilkat npm packages for Electron on Windows, Linux, MacOSX, and ARM

var os = require('os');
if (os.platform() == 'win32') {  
    if (os.arch() == 'ia32') {
        var chilkat = require('@chilkat/ck-node21-win-ia32');
    } else {
        var chilkat = require('@chilkat/ck-node21-win64'); 
    }
} else if (os.platform() == 'linux') {
    if (os.arch() == 'arm') {
        var chilkat = require('@chilkat/ck-node21-arm');
    } else if (os.arch() == 'x86') {
        var chilkat = require('@chilkat/ck-node21-linux32');
    } else {
        var chilkat = require('@chilkat/ck-node21-linux64');
    }
} else if (os.platform() == 'darwin') {
    if (os.arch() == 'arm64') {
        var chilkat = require('@chilkat/ck-node21-mac-m1');
    } else {
        var chilkat = require('@chilkat/ck-node21-macosx');
    }
}

function chilkatExample() {

    // This example assumes the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    var success;
    var http = new chilkat.Http();

    // Get the JSON we'll be parsing..
    var jsonStr = http.QuickGetStr("https://www.chilkatsoft.com/exampleData/qb_customer_balance_detail_report_2.json");
    if (http.LastMethodSuccess !== true) {
        console.log(http.LastErrorText);
        return;
    }

    var json = new chilkat.JsonObject();
    json.Load(jsonStr);

    // As an alternative to manually writing code, use this online tool to generate parsing code from sample JSON: 
    // Generate Parsing Code from JSON

    // Let's parse the JSON into a CSV, and then save to a CSV file.
    var csv = new chilkat.Csv();
    csv.HasColumnNames = true;

    // Set the column names of the CSV.
    var numColumns = json.SizeOfArray("Columns.Column");
    if (numColumns < 0) {
        console.log("Unable to get column names");
        return;
    }

    var i = 0;
    while (i < numColumns) {
        json.I = i;
        csv.SetColumnName(i,json.StringOf("Columns.Column[i].ColTitle"));
        i = i+1;
    }

    // Let's get the rows.
    // We'll ignore the Header and Summary, and just get the data.
    var row = 0;
    var numRows = json.SizeOfArray("Rows.Row[0].Rows.Row");
    if (numRows < 0) {
        console.log("Unable to get data rows");
        return;
    }

    while (row < numRows) {
        json.I = row;
        numColumns = json.SizeOfArray("Rows.Row[0].Rows.Row[i].ColData");
        var col = 0;
        while (col < numColumns) {
            json.J = col;
            csv.SetCell(row,col,json.StringOf("Rows.Row[0].Rows.Row[i].ColData[j].value"));
            col = col+1;
        }

        row = row+1;
    }

    // Show the CSV 
    console.log(csv.SaveToString());

    // Save to a CSV file
    success = csv.SaveFile("qa_output/customerDetailReport.csv");

}

chilkatExample();