main.js

/// <reference path="fbsdk.d.ts"  / />
// This is called with the results from from FB.getLoginStatus().
function checkLoginState() {
    FB.getLoginStatus(function (response) {
        statusChangeCallback(response);
    });
}
function statusChangeCallback(response) {
    console.log('statusChangeCallback');
    console.log(response);
    // The response object is returned with a status field that lets the
    // app know the current login status of the person.
    // Full docs on the response object can be found in the documentation
    // for FB.getLoginStatus().
    if (response.status === 'connected') {
        // Logged into your app and Facebook.
        // window.location.assign("Donate.html");
        testAPI();
        alert("Your UID is " + response.authResponse.userID);
    }
    else if (response.status === 'not_authorized') {
        // The person is logged into Facebook, but not your app.
        document.getElementById('status').innerHTML = 'Please log ' +
            'into this app.';
    }
    else {
        // The person is not logged into Facebook, so we're not sure if
        // they are logged into this app or not.
        document.getElementById('status').innerHTML = 'Please log ' +
            'into Facebook.';
    }
}
// This function is called when someone finishes with the Login
// Button.  See the onlogin handler attached to it in the sample
// code below.
window.fbAsyncInit = function () {
    FB.init({
        appId: '323553911328011',
        cookie: true,
        // the session
        xfbml: true,
        version: 'v2.5' // use graph api version 2.5
    });
    // Now that we've initialized the JavaScript SDK, we call 
    // FB.getLoginStatus().  This function gets the state of the
    // person visiting this page and can return one of three states to
    // the callback you provide.  They can be:
    //
    // 1. Logged into your app ('connected')
    // 2. Logged into Facebook, but not your app ('not_authorized')
    // 3. Not logged into Facebook and can't tell if they are logged into
    //    your app or not.
    //
    // These three cases are handled in the callback function.
    FB.getLoginStatus(function (response) {
        statusChangeCallback(response);
    });
};
// Load the SDK asynchronously
(function (d, s, id) {
    var js, fjs = d.getElementsByTagName(s)[0];
    if (d.getElementById(id))
        return;
    js = d.createElement(s);
    js.id = id;
    js.src = "//connect.facebook.net/en_US/sdk.js";
    fjs.parentNode.insertBefore(js, fjs);
}(document, 'script', 'facebook-jssdk'));
FB.logout(function (response) {
    // user is now logged out
    window.location.assign("index.html");
});
function testAPI() {
    window.location.assign("Donate.html");
}