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// JSON-P Twitter fetcher for Octopress

// (c) Brandon Mathis // MIT License

function prettyDate(time) {

if (navigator.appName === 'Microsoft Internet Explorer') {

return "∞"; // because IE date parsing isn't fun.

}

var say = {

just_now: " now",

minute_ago: "1m",

minutes_ago: "m",

hour_ago: "1h",

hours_ago: "h",

yesterday: "1d",

days_ago: "d",

last_week: "1w",

weeks_ago: "w"

};

var current_date = new Date(),

current_date_time = current_date.getTime(),

current_date_full = current_date_time + (1 * 60000),

date = new Date(time),

diff = ((current_date_full - date.getTime()) / 1000),

day_diff = Math.floor(diff / 86400);

if (isNaN(day_diff) || day_diff < 0) { return "∞"; }

return day_diff === 0 && (

diff < 60 && say.just_now ||

diff < 120 && say.minute_ago ||

diff < 3600 && Math.floor(diff / 60) + say.minutes_ago ||

diff < 7200 && say.hour_ago ||

diff < 86400 && Math.floor(diff / 3600) + say.hours_ago) ||

day_diff === 1 && say.yesterday ||

day_diff < 7 && day_diff + say.days_ago ||

day_diff === 7 && say.last_week ||

day_diff > 7 && Math.ceil(day_diff / 7) + say.weeks_ago;

}

function linkifyTweet(text, url) {

// Linkify urls, usernames, hashtags

text = text.replace(/(https?:\/\/)([\w\-:;?&=+.%#\/]+)/gi, '<a href="$1$2">$2</a>')

.replace(/(^|\W)@(\w+)/g, '$1<a href="https://twitter.com/$2">@$2</a>')

.replace(/(^|\W)#(\w+)/g, '$1<a href="https://search.twitter.com/search?q=%23$2">#$2</a>');

// Use twitter's api to replace t.co shortened urls with expanded ones.

for (var u in url) {

if(url[u].expanded_url != null){

var shortUrl = new RegExp(url[u].url, 'g');

text = text.replace(shortUrl, url[u].expanded_url);

var shortUrl = new RegExp(">"+(url[u].url.replace(/https?:\/\//, '')), 'g');

text = text.replace(shortUrl, ">"+url[u].display_url);

}

return text

}

function showTwitterFeed(tweets, twitter_user) {

var timeline = document.getElementById('tweets'),

content = '';

for (var t in tweets) {

content += '<li>'+''+'<a href="https://twitter.com/'+twitter_user+'/status/'+tweets[t].id_str+'">'+prettyDate(tweets[t].created_at)+'</a>'+linkifyTweet(tweets[t].text.replace(/\n/g, ' '), tweets[t].entities.urls)+''+'</li>';

}

timeline.innerHTML = content;

}

function getTwitterFeed(user, count, replies) {

count = parseInt(count, 10);

$.ajax({

url: "https://api.twitter.com/1/statuses/user_timeline/" + user + ".json?trim_user=true&count=" + (count + 20) + "&include_entities=1&exclude_replies=" + (replies ? "0" : "1") + "&callback=?"

, type: 'jsonp'

, error: function (err) { $('#tweets li.loading').addClass('error').text("Twitter's busted"); }

, success: function(data) { showTwitterFeed(data.slice(0, count), user); }

})

}

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