Chilkat Examples

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(Node.js) Emoji Tweet

Demonstrates posting a status update that includes an emoji character.

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 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...
    // ----------------------------------------------------------------------

    // For this example, I've pre-created a text file containing two emoji
    // characters (the "ghost" emoji, and a "face savouring delicious food" emoji).  
    // This text file was saved using the utf-8 encoding.

    // The utf-8 bytes for the ghost emoji are 0x9f 0x91 0xbb.  (Note: This is the utf-8
    // representation that does not use surrogate pairs.)
    // 
    // The utf-8 bytes for the "face savouring delicious food" emoji are \xF0\x9F\x98\x8B.

    var sbText = new chilkat.StringBuilder();
    sbText.LoadFile("qa_data/txt/ghost_emoji.txt","utf-8");
    sbText.Prepend("Test tweet using two emoji chars: ");

    // Send a tweet...
    rest.ClearAllQueryParams();
    rest.AddQueryParam("status",sbText.GetAsString());
    var resp = rest.FullRequestFormUrlEncoded("POST","/1.1/statuses/update.json");
    if (rest.LastMethodSuccess !== true) {
        console.log(rest.LastErrorText);
        return;
    }

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

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

    // Show the successful response:
    console.log(jsonResponse.Emit());
    console.log("Success.");

}

chilkatExample();

 

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