/*********************************************************************
* #### Twitter Post Fetcher v17.0.3 ####
* Coded by Jason Mayes 2015. A present to all the developers out there.
* www.jasonmayes.com
* Please keep this disclaimer with my code if you use it. Thanks. :-)
* Got feedback or questions, ask here:
* http://www.jasonmayes.com/projects/twitterApi/
* Github: https://github.com/jasonmayes/Twitter-Post-Fetcher
* Updates will be posted to this site.
*********************************************************************/
(function(root, factory) {
if (typeof define === 'function' && define.amd) {
// AMD. Register as an anonymous module.
define([], factory);
} else if (typeof exports === 'object') {
// Node. Does not work with strict CommonJS, but
// only CommonJS-like environments that support module.exports,
// like Node.
module.exports = factory();
} else {
// Browser globals.
factory();
}
}(this, function() {
var domNode = '';
var maxTweets = 20;
var parseLinks = true;
var queue = [];
var inProgress = false;
var printTime = true;
var printUser = true;
var formatterFunction = null;
var supportsClassName = true;
var showRts = true;
var customCallbackFunction = null;
var showInteractionLinks = true;
var showImages = false;
var useEmoji = false;
var targetBlank = true;
var lang = 'en';
var permalinks = true;
var dataOnly = false;
var script = null;
var scriptAdded = false;
function handleTweets(tweets){
if (customCallbackFunction === null) {
var x = tweets.length;
var n = 0;
var element = document.getElementById(domNode);
var html = '
';
while(n < x) {
html += '- ' + tweets[n] + '
';
n++;
}
html += '
';
element.innerHTML = html;
} else {
customCallbackFunction(tweets);
}
}
function strip(data) {
return data.replace(/]*>(.*?)<\/b>/gi, function(a,s){return s;})
.replace(/class="(?!(tco-hidden|tco-display|tco-ellipsis))+.*?"|data-query-source=".*?"|dir=".*?"|rel=".*?"/gi,
'');
}
function targetLinksToNewWindow(el) {
var links = el.getElementsByTagName('a');
for (var i = links.length - 1; i >= 0; i--) {
links[i].setAttribute('target', '_blank');
}
}
function getElementsByClassName (node, classname) {
var a = [];
var regex = new RegExp('(^| )' + classname + '( |$)');
var elems = node.getElementsByTagName('*');
for (var i = 0, j = elems.length; i < j; i++) {
if(regex.test(elems[i].className)){
a.push(elems[i]);
}
}
return a;
}
function extractImageUrl(image_data) {
if (image_data !== undefined && image_data.innerHTML.indexOf('data-image') >= 0) {
var data_src = image_data.innerHTML.match(/data-image=\"([A-z0-9]+:\/\/[A-z0-9]+\.[A-z0-9]+\.[A-z0-9]+\/[A-z0-9]+\/[A-z0-9\-]+)/i)[1];
return decodeURIComponent(data_src) + '.jpg';
}
}
var twitterFetcher = {
fetch: function(config) {
if (config.maxTweets === undefined) {
config.maxTweets = 20;
}
if (config.enableLinks === undefined) {
config.enableLinks = true;
}
if (config.showUser === undefined) {
config.showUser = true;
}
if (config.showTime === undefined) {
config.showTime = true;
}
if (config.dateFunction === undefined) {
config.dateFunction = 'default';
}
if (config.showRetweet === undefined) {
config.showRetweet = true;
}
if (config.customCallback === undefined) {
config.customCallback = null;
}
if (config.showInteraction === undefined) {
config.showInteraction = true;
}
if (config.showImages === undefined) {
config.showImages = false;
}
if (config.useEmoji === undefined) {
config.useEmoji = false;
}
if (config.linksInNewWindow === undefined) {
config.linksInNewWindow = true;
}
if (config.showPermalinks === undefined) {
config.showPermalinks = true;
}
if (config.dataOnly === undefined) {
config.dataOnly = false;
}
if (inProgress) {
queue.push(config);
} else {
inProgress = true;
domNode = config.domId;
maxTweets = config.maxTweets;
parseLinks = config.enableLinks;
printUser = config.showUser;
printTime = config.showTime;
showRts = config.showRetweet;
formatterFunction = config.dateFunction;
customCallbackFunction = config.customCallback;
showInteractionLinks = config.showInteraction;
showImages = config.showImages;
useEmoji = config.useEmoji;
targetBlank = config.linksInNewWindow;
permalinks = config.showPermalinks;
dataOnly = config.dataOnly;
var head = document.getElementsByTagName('head')[0];
if (script !== null) {
head.removeChild(script);
}
script = document.createElement('script');
script.type = 'text/javascript';
if (config.list !== undefined) {
script.src = 'https://syndication.twitter.com/timeline/list?' +
'callback=__twttrf.callback&dnt=false&list_slug=' +
config.list.listSlug + '&screen_name=' + config.list.screenName +
'&suppress_response_codes=true&lang=' + (config.lang || lang) +
'&rnd=' + Math.random();
} else if (config.profile !== undefined) {
script.src = 'https://syndication.twitter.com/timeline/profile?' +
'callback=__twttrf.callback&dnt=false' +
'&screen_name=' + config.profile.screenName +
'&suppress_response_codes=true&lang=' + (config.lang || lang) +
'&rnd=' + Math.random();
} else if (config.likes !== undefined) {
script.src = 'https://syndication.twitter.com/timeline/likes?' +
'callback=__twttrf.callback&dnt=false' +
'&screen_name=' + config.likes.screenName +
'&suppress_response_codes=true&lang=' + (config.lang || lang) +
'&rnd=' + Math.random();
} else {
script.src = 'https://cdn.syndication.twimg.com/widgets/timelines/' +
config.id + '?&lang=' + (config.lang || lang) +
'&callback=__twttrf.callback&' +
'suppress_response_codes=true&rnd=' + Math.random();
}
head.appendChild(script);
}
},
callback: function(data) {
if (data === undefined || data.body === undefined) {
inProgress = false;
if (queue.length > 0) {
twitterFetcher.fetch(queue[0]);
queue.splice(0,1);
}
return;
}
// Remove emoji and summary card images.
if(!useEmoji){
data.body = data.body.replace(/(]*>)|(]*>)/g, '');
}
// Remove display images.
if (!showImages) {
data.body = data.body.replace(/(]*>|(]*>))/g, '');
}
// Remove avatar images.
if (!printUser) {
data.body = data.body.replace(/(]*>)/g, '');
}
var div = document.createElement('div');
div.innerHTML = data.body;
if (typeof(div.getElementsByClassName) === 'undefined') {
supportsClassName = false;
}
function swapDataSrc(element) {
var avatarImg = element.getElementsByTagName('img')[0];
avatarImg.src = avatarImg.getAttribute('data-src-2x');
return element;
}
var tweets = [];
var authors = [];
var times = [];
var images = [];
var rts = [];
var tids = [];
var permalinksURL = [];
var x = 0;
if (supportsClassName) {
var tmp = div.getElementsByClassName('timeline-Tweet');
while (x < tmp.length) {
if (tmp[x].getElementsByClassName('timeline-Tweet-retweetCredit').length > 0) {
rts.push(true);
} else {
rts.push(false);
}
if (!rts[x] || rts[x] && showRts) {
tweets.push(tmp[x].getElementsByClassName('timeline-Tweet-text')[0]);
tids.push(tmp[x].getAttribute('data-tweet-id'));
if (printUser) {
authors.push(swapDataSrc(tmp[x].getElementsByClassName('timeline-Tweet-author')[0]));
}
times.push(tmp[x].getElementsByClassName('dt-updated')[0]);
permalinksURL.push(tmp[x].getElementsByClassName('timeline-Tweet-timestamp')[0]);
if (tmp[x].getElementsByClassName('timeline-Tweet-media')[0] !==
undefined) {
images.push(tmp[x].getElementsByClassName('timeline-Tweet-media')[0]);
} else {
images.push(undefined);
}
}
x++;
}
} else {
var tmp = getElementsByClassName(div, 'timeline-Tweet');
while (x < tmp.length) {
if (getElementsByClassName(tmp[x], 'timeline-Tweet-retweetCredit').length > 0) {
rts.push(true);
} else {
rts.push(false);
}
if (!rts[x] || rts[x] && showRts) {
tweets.push(getElementsByClassName(tmp[x], 'timeline-Tweet-text')[0]);
tids.push(tmp[x].getAttribute('data-tweet-id'));
if (printUser) {
authors.push(swapDataSrc(getElementsByClassName(tmp[x],'timeline-Tweet-author')[0]));
}
times.push(getElementsByClassName(tmp[x], 'dt-updated')[0]);
permalinksURL.push(getElementsByClassName(tmp[x], 'timeline-Tweet-timestamp')[0]);
if (getElementsByClassName(tmp[x], 'timeline-Tweet-media')[0] !== undefined) {
images.push(getElementsByClassName(tmp[x], 'timeline-Tweet-media')[0]);
} else {
images.push(undefined);
}
}
x++;
}
}
if (tweets.length > maxTweets) {
tweets.splice(maxTweets, (tweets.length - maxTweets));
authors.splice(maxTweets, (authors.length - maxTweets));
times.splice(maxTweets, (times.length - maxTweets));
rts.splice(maxTweets, (rts.length - maxTweets));
images.splice(maxTweets, (images.length - maxTweets));
permalinksURL.splice(maxTweets, (permalinksURL.length - maxTweets));
}
var arrayTweets = [];
var x = tweets.length;
var n = 0;
if (dataOnly) {
while (n < x) {
arrayTweets.push({
tweet: tweets[n].innerHTML,
author: authors[n] ? authors[n].innerHTML : 'Unknown Author',
author_data: {
profile_url: authors[n] ? authors[n].querySelector('[data-scribe="element:user_link"]').href : null,
profile_image: authors[n] ? authors[n].querySelector('[data-scribe="element:avatar"]').getAttribute('data-src-1x') : null,
profile_image_2x: authors[n] ? authors[n].querySelector('[data-scribe="element:avatar"]').getAttribute('data-src-2x') : null,
screen_name: authors[n] ? authors[n].querySelector('[data-scribe="element:screen_name"]').title : null,
name: authors[n] ? authors[n].querySelector('[data-scribe="element:name"]').title : null
},
time: times[n].textContent,
timestamp: times[n].getAttribute('datetime').replace('+0000', 'Z').replace(/([\+\-])(\d\d)(\d\d)/, '$1$2:$3'),
image: extractImageUrl(images[n]),
rt: rts[n],
tid: tids[n],
permalinkURL: (permalinksURL[n] === undefined) ?
'' : permalinksURL[n].href
});
n++;
}
} else {
while (n < x) {
if (typeof(formatterFunction) !== 'string') {
var datetimeText = times[n].getAttribute('datetime');
var newDate = new Date(times[n].getAttribute('datetime')
.replace(/-/g,'/').replace('T', ' ').split('+')[0]);
var dateString = formatterFunction(newDate, datetimeText);
times[n].setAttribute('aria-label', dateString);
if (tweets[n].textContent) {
// IE hack.
if (supportsClassName) {
times[n].textContent = dateString;
} else {
var h = document.createElement('p');
var t = document.createTextNode(dateString);
h.appendChild(t);
h.setAttribute('aria-label', dateString);
times[n] = h;
}
} else {
times[n].textContent = dateString;
}
}
var op = '';
if (parseLinks) {
if (targetBlank) {
targetLinksToNewWindow(tweets[n]);
if (printUser) {
targetLinksToNewWindow(authors[n]);
}
}
if (printUser) {
op += '' + strip(authors[n].innerHTML) +
'
';
}
op += '';
if (printTime) {
if (permalinks) {
op += '' + times[n].getAttribute('aria-label') + '
';
} else {
op += '' +
times[n].getAttribute('aria-label') + '
';
}
}
} else {
if (tweets[n].textContent) {
if (printUser) {
op += '' + authors[n].textContent + '
';
}
op += '';
if (printTime) {
op += '' + times[n].textContent + '
';
}
} else {
if (printUser) {
op += '' + authors[n].textContent + '
';
}
op += '';
if (printTime) {
op += '' + times[n].textContent + '
';
}
}
}
if (showInteractionLinks) {
op += '' +
'
';
}
if (showImages && images[n] !== undefined && extractImageUrl(images[n]) !== undefined) {
op += '';
}
if (showImages) {
arrayTweets.push(op);
} else if (!showImages && tweets[n].textContent.length) {
arrayTweets.push(op);
}
n++;
}
}
handleTweets(arrayTweets);
inProgress = false;
if (queue.length > 0) {
twitterFetcher.fetch(queue[0]);
queue.splice(0,1);
}
}
};
// It must be a global variable because it will be called by JSONP.
window.__twttrf = twitterFetcher;
window.twitterFetcher = twitterFetcher;
return twitterFetcher;
}));