hackernews|feed

Tired of your cluttered Facebook newsfeed?

您需要先安装一个扩展,例如 篡改猴Greasemonkey暴力猴,之后才能安装此脚本。

You will need to install an extension such as Tampermonkey to install this script.

您需要先安装一个扩展,例如 篡改猴暴力猴,之后才能安装此脚本。

您需要先安装一个扩展,例如 篡改猴Userscripts ,之后才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey,才能安装此脚本。

您需要先安装用户脚本管理器扩展后才能安装此脚本。

(我已经安装了用户脚本管理器,让我安装!)

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

(我已经安装了用户样式管理器,让我安装!)

// ==UserScript==
// @name        hackernews|feed
// @namespace   https://github.com/CatherineZeng/hackernews-newsfeed
// @author      Anthony Pizzimenti
// @author      Catherine Zeng
// @description Tired of your cluttered Facebook newsfeed?
// @include     https://www.facebook.com/*
// @version     0.0.4
// @grant       GM.xmlHttpRequest
// @require     https://greasyfork.org/scripts/31226-editor/code/Editor.js?version=204775
// @require     https://greasyfork.org/scripts/31227-utilities/code/Utilities.js?version=204776
// ==/UserScript==

/**
 * @author Anthony Pizzimenti
 * @desc Changes facebook's newsfeed and alters styling.
 * @param {object} content Content returned by Greasemonkey's request wrapper.
 * @param {string} url URL at the time the request was finished.
 * @return {undefined}
 */
function editFacebookContent (content, url) {
    var feed = document.getElementById("contentArea"),
        
        parser = new DOMParser(),
        list = parser.parseFromString(content, "text/html").getElementById("hnmain"),
        s = new Editor(),
        
        items = list.getElementsByClassName("itemlist")[0],
        subtext = list.getElementsByClassName("subtext"),
        sitestr = list.getElementsByClassName("comhead"),
        storyLinks = list.getElementsByClassName("storylink"),
    
        header = items.insertRow(0),
        rows = items.getElementsByClassName("spacer"),
        
        i;
    // change hackernews styling
    s.removeFirst.parent(list, "yclinks");
    s.removeFirst.byClass(list, "morelink");
    s.removeFirst.byTag(list, "img");
    s.removeFirst.byTag(list, "tr");

    header.innerHTML = "<h2 style='background-color: #FF6600; padding:10px'>Hacker News</h2>";
    items.style.padding = "10px";
    
    // modify links to make them absolute
    s.links.absolute(list, subtext, url);
    s.links.blank(storyLinks);
    
    // modify font styles
    s.style.font(subtext, "Verdana", 7);
    s.style.font(sitestr, "Verdana", 7);

    // change padding on story rows
    s.style.height(rows, 10);

    // inject modified HTML
    feed.innerHTML = list.innerHTML;

    // change facebook styling;
    feed.style.padding = "10px !important";
    feed.style.backgroundColor = "#F6F6EF";
    feed.style.fontFamily = "Verdana, Geneva, sans serif";
}

/**
 * @author Anthony Pizzimenti
 * @desc Sends a message before data is loaded.
 * @param {string} url URL from which the Hackernews feed is loaded.
 * @returns {undefined}
 */
function preLoad (url) {
    var feed = document.getElementById("contentArea");
    feed.innerHTML = "<h2 align=center id='loading-data'>Retrieving Hackernews feed...</h2>";

    console.log(
        "%c ______________________________________________________________________________________ \n" +
        "|                                                                                        |\n" +
        "| NNN      NN EEEEEEEEE WW         WW  SSSSSSS FFFFFFFFFF EEEEEEEEE EEEEEEEEE DDDDDDD    |\n" +
        "| NN NN    NN EE        WW         WW SS       FF         EE        EE        DD    DD   |\n" +
        "| NN  NN   NN EE         WW       WW   SSSSSS  FF         EE        EE        DD     DD  |\n" +
        "| NN   NN  NN EEEEEEE    WW   W   WW        SS FFFFFFFF   EEEEEEE   EEEEEEE   DD     DD  |\n" +
        "| NN    NN NN EE          WW WWW WW         SS FF         EE        EE        DD    DD   |\n" +
        "| NN      NNN EEEEEEEEE    WW   WW    SSSSSSS  FF         EEEEEEEEE EEEEEEEEE DDDDDDD    |\n" +
        "|________________________________________________________________________________________|\n" +
        "@version 0.0.2",
        "color: #FF6600"
    );
    
    console.log(
        "%cRetrieving data from " + url.toString() + "...",
        "color=#ff6600"
    );
}

/**
 * @author Anthony Pizzimenti
 * @desc Event-fired function when feed from Hackernews is loaded.
 * @param {object} res GM.xmlHttpRequest response object.
 * @returns {undefined}
 */
function load (res) {
    var content = res.responseText,
        url = res.finalUrl;

    console.log(
        "%cRetrieved data from Y Combinator's Hackernews.",
        "color=#ff660"
    );

    editFacebookContent(content, url);
}

/**
 * @author Anthony Pizzimenti
 * @desc Event-fired function when feed from Hackernews couldn't be loaded or the request failed.
 * @param {object} e GM_xmlhttpRequest response object.
 * @returns {undefined}
 */
function error (e) {
    console.error(e.responseText);
    console.error("Aborting Greasemonkey user script.");
}

/**
 * @author Anthony Pizzimenti
 * @desc IIFE that immediately loads Hackernews feed.
 * @returns {undefined}
 */
(function getHackerNews () {
    var req = GM.xmlHttpRequest,
        url = "https://news.ycombinator.com";

    preLoad(url);

    // send GreaseMonkey-enabled same-origin request
    req({
        method: "GET",
        url: url,
        onload: load,
        onerror: error
    });
})();