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Node.js Examples

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(Node.js) OneDrive -- List Large Directory

Demonstrates how to get the entire collection of DriveItem children when the collection is large and multiple pages need to be requested. To test this example, I created a DriveItem with 450 children.

Note: This example requires Chilkat v9.5.0.68 or greater.

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-node11-win-ia32');
    } else {
        var chilkat = require('@chilkat/ck-node11-win64'); 
    }
} else if (os.platform() == 'linux') {
    if (os.arch() == 'arm') {
        var chilkat = require('@chilkat/ck-node11-arm');
    } else if (os.arch() == 'x86') {
        var chilkat = require('@chilkat/ck-node11-linux32');
    } else {
        var chilkat = require('@chilkat/ck-node11-linux64');
    }
} else if (os.platform() == 'darwin') {
    var chilkat = require('@chilkat/ck-node11-macosx');
}

function chilkatExample() {

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

    var http = new chilkat.Http();

    // Use your previously obtained access token here:
    // See the following examples for getting an access token:
    //    Get Microsoft Graph OAuth2 Access Token (Azure AD v2.0 Endpoint).
    //    Get Microsoft Graph OAuth2 Access Token (Azure AD Endpoint).
    //    Refresh Access Token (Azure AD v2.0 Endpoint).
    //    Refresh Access Token (Azure AD Endpoint).

    // (Make sure your token was obtained with the FilesRead or Files.ReadWrite scope.)
    http.AuthToken = "MICROSOFT_GRAPH_ACCESS_TOKEN";

    // This example will get the DriveItems in /lots-of-files, which has 450 children..
    http.SetUrlVar("item_path","/lots-of-files");

    var resp;
    var i;
    var numItems;

    var json = new chilkat.JsonObject();
    json.EmitCompact = false;

    // This loop will download DriveItems in sets of 50 until no more exist.
    var bGetMore = true;
    // (Add the $top query parameter to define the page size, i.e. the max number of results to return).
    var nextLink = "https://graph.microsoft.com/v1.0/me/drive/root:{$item_path}:/children?$top=50";

    while ((bGetMore == true)) {

        // Get the next chunk of DriveItems
        resp = http.QuickGetStr(nextLink);
        if (http.LastMethodSuccess !== true) {
            console.log(http.LastErrorText);
            return;
        }

        // The response should be JSON.
        json.Load(resp);

        // A successful response should return a status code of 200.
        if (http.LastStatus !== 200) {
            console.log(json.Emit());
            console.log("Response status = " + http.LastStatus);
            return;
        }

        // Iterate over the DriveItems in the JSON response:
        i = 0;
        numItems = json.SizeOfArray("value");
        while (i < numItems) {
            json.I = i;
            console.log("name: " + json.StringOf("value[i].name"));
            i = i+1;
        }

        // If a nextLink was included in the JSON, use it to get the next set of 50 DriveItems.
        // Otherwise, exit the loop.
        if (json.HasMember("\"@odata.nextLink\"") == true) {
            nextLink = json.StringOf("\"@odata.nextLink\"");
            console.log("nextLink: " + nextLink);
        }
        else {
            bGetMore = false;
        }

    }


}

chilkatExample();

 

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