Chilkat Examples

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Node.js Examples

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(Node.js) Twitter - Get Follower IDs

Demonstrates how to get a list of follower IDs for a Twitter user. If the number of followers is more than can be returned in a single response, this example will use cursors to page through the followers.

Note: Rate limits will prevent a program from paging through huge lists of followers. In general, a maximum of 16 GET requests (pages) can be retrieved in a short period of time.

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.

    // ----------------------------------------------------------------------
    // This initial setup, which involves setting the OAuth1 properties and connecting
    // to api.twitter.com, is only required once at the beginning.  Once connected, the same
    // object instance may be re-used, and if necessary, it will automatically reconnect
    // as needed.

    // Assume we've previously obtained an access token and saved it to a JSON file..
    var json = new chilkat.JsonObject();
    var success = json.LoadFile("qa_data/tokens/twitter.json");

    var rest = new chilkat.Rest();
    var oauth1 = new chilkat.OAuth1();

    oauth1.ConsumerKey = "TWITTER_CONSUMER_KEY";
    oauth1.ConsumerSecret = "TWITTER_CONSUMER_SECRET";
    oauth1.Token = json.StringOf("oauth_token");
    oauth1.TokenSecret = json.StringOf("oauth_token_secret");
    oauth1.SignatureMethod = "HMAC-SHA1";
    oauth1.GenNonce(16);

    rest.SetAuthOAuth1(oauth1,false);

    var bAutoReconnect = true;
    success = rest.Connect("api.twitter.com",443,true,bAutoReconnect);
    if (success !== true) {
        console.log(rest.LastErrorText);
        return;
    }

    // This ends the initial setup...
    // ----------------------------------------------------------------------

    // This Twitter user has about 77.5K followers..
    rest.AddQueryParam("screen_name","MarcusMiller959");

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

    // Get the 1st page of results using a cursor of "-1".
    var sbNextCursor = new chilkat.StringBuilder();
    sbNextCursor.SetString("-1");

    var pageNum = 1;
    var caseSensitive = false;
    var bContinue = true;
    // Get a maximum of 5 pages (of 5000 ids each).
    while (bContinue == true) {

        if (sbNextCursor.ContentsEqual("0",caseSensitive) == true) {
            // This will cause the loop to exit..
            bContinue = false;
        }
        else {
            // Adds or replaces the query param.
            rest.AddQueryParam("cursor",sbNextCursor.GetAsString());

            // Get the next page of follower IDs
            var resp = rest.FullRequestNoBody("GET","/1.1/followers/ids.json");
            if (rest.LastMethodSuccess !== true) {
                console.log(rest.LastErrorText);
                return;
            }

            jsonResponse.Load(resp);

            if (rest.ResponseStatusCode !== 200) {
                console.log(jsonResponse.Emit());
                return;
            }

            // Show the number of IDs returned in this 
            var numIds = jsonResponse.SizeOfArray("ids");
            console.log("Page " + pageNum + ", Number of Ids: " + numIds);

            // Show the 1st 10 ids in this page.
            var i = 0;
            while (i < numIds) {
                jsonResponse.I = i;
                console.log("    " + i + ": " + jsonResponse.StringOf("ids[i]"));

                i = i+1;
                if (i > 10) {
                    // Force the loop to exit.
                    i = numIds;
                }

            }

            pageNum = pageNum+1;
            if (pageNum > 5) {
                bContinue = false;
            }
            else {
                sbNextCursor.SetString(jsonResponse.StringOf("next_cursor_str"));
            }

        }

    }

    // A successful JSON response for the 1st page looks like this:

    // 	{
    // 	  "ids": [
    // 	    3140496044,
    // 	    793204773751324672,
    // 	    789951187781050369,
    // 	    763520773587922945,
    // 	    ...
    // 	    15031286,
    // 	    2668251246,
    // 	    3751659443
    // 	  ],
    // 	  "next_cursor": 1531680438812851153,
    // 	  "next_cursor_str": "1531680438812851153",
    // 	  "previous_cursor": 0,
    // 	  "previous_cursor_str": "0"
    // 	}

    // The output of this program looks like this:

    // 	Page 1, Number of Ids: 5000
    // 	    0: 931953350
    // 	    1: 786708055
    // 	    2: 560845700
    // 	    3: 3140496044
    // 	    4: 793204773751324672
    // 	    5: 789951187781050369
    // 	    6: 763520773587922945
    // 	    7: 793143274059988992
    // 	    8: 793139683412762624
    // 	    9: 1588222783
    // 	    10: 703821370778451968
    // 	Page 2, Number of Ids: 5000
    // 	    0: 15031286
    // 	    1: 2668251246
    // 	    2: 3751659443
    // 	    3: 3324584493
    // 	    4: 2440214809
    // 	    5: 1322335441
    // 	    6: 4439178393
    // 	    7: 4911573711
    // 	    8: 720792880080560128
    // 	    9: 720805087124267008
    // 	    10: 172926330
    // 	Page 3, Number of Ids: 5000
    // 	    0: 93867176
    // 	    1: 2992946183
    // 	    2: 2825296077
    // 	    3: 3784572861
    // 	    4: 2150051321
    // 	    5: 2460881603
    // 	    6: 4128849341
    // 	    7: 2234697931
    // 	    8: 2379418164
    // 	    9: 3425171542
    // 	    10: 325759186
    // 	Page 4, Number of Ids: 5000
    // 	    0: 22793412
    // 	    1: 3347750489
    // 	    2: 316923043
    // 	    3: 2481719196
    // 	    4: 3363591905
    // 	    5: 3238116492
    // 	    6: 58467130
    // 	    7: 3015182362
    // 	    8: 2985342719
    // 	    9: 3095965720
    // 	    10: 17505957
    // 	Page 5, Number of Ids: 5000
    // 	    0: 2541434684
    // 	    1: 140022957
    // 	    2: 134845054
    // 	    3: 772810508
    // 	    4: 16979294
    // 	    5: 2320540225
    // 	    6: 105439442
    // 	    7: 2796744529
    // 	    8: 251128801
    // 	    9: 350229758
    // 	    10: 2683994716
    // 

}

chilkatExample();

 

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