(Node.js) Example: Http.S3_FileExists method

Demonstrates the S3_FileExists method.

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

var os = require('os');
if (os.platform() == 'win32') {  
  var chilkat = require('@chilkat/ck-node23-win64'); 
} else if (os.platform() == 'linux') {
    if (os.arch() == 'arm') {
        var chilkat = require('@chilkat/ck-node23-linux-arm');
    } else if (os.arch() == 'arm64') {
        var chilkat = require('@chilkat/ck-node23-linux-arm64');
    } else {
        var chilkat = require('@chilkat/ck-node23-linux-x64');
    }
} else if (os.platform() == 'darwin') {
  var chilkat = require('@chilkat/ck-node23-mac-universal');
}

function chilkatExample() {

    var http = new chilkat.Http();

    // Insert your AWS keys here:
    http.AwsAccessKey = "AWS_ACCESS_KEY";
    http.AwsSecretKey = "AWS_SECRET_KEY";

    var bucketName = "chilkat.ocean";
    var objectName = "seahorse.jpg";
    http.AwsRegion = "us-west-2";
    http.AwsEndpoint = "s3-us-west-2.amazonaws.com";

    var retval = http.S3_FileExists(bucketName,objectName);
    if (retval < 0) {
        console.log("Failed to check for the S3 object existence");
        console.log(http.LastErrorText);
        return;
    }

    if (retval == 0) {
        console.log("The S3 object does not exist.");
        return;
    }

    console.log("The S3 object exists.");

}

chilkatExample();