Remove unpopular meetup.com events

Remove unpopular events with less than 30 people attending. Change settings to run script at "document-start".

您需要先安裝使用者腳本管理器擴展,如 TampermonkeyGreasemonkeyViolentmonkey 之後才能安裝該腳本。

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

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyViolentmonkey 後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyUserscripts 後才能安裝該腳本。

你需要先安裝一款使用者腳本管理器擴展,比如 Tampermonkey,才能安裝此腳本

您需要先安裝使用者腳本管理器擴充功能後才能安裝該腳本。

(我已經安裝了使用者腳本管理器,讓我安裝!)

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

(我已經安裝了使用者樣式管理器,讓我安裝!)

// ==UserScript==
// @name         Remove unpopular meetup.com events
// @namespace    http://tampermonkey.net/
// @version      0.2
// @description  Remove unpopular events with less than 30 people attending. Change settings to run script at "document-start".
// @author       You
// @match        http://www.meetup.com/find/events/*
// @grant        none
// @require http://code.jquery.com/jquery-latest.js
// ==/UserScript==
/* jshint -W097 */
'use strict';

    function loadAndRemoveUnpopularEvents()
    {
        var numPagesToLoad = 4;
        var timeToWaitForEachPageLoad = 2000;
        
        loadMoreEvents(numPagesToLoad, timeToWaitForEachPageLoad);
        
        var timeToWaitBeforeRemovingEvents = numPagesToLoad * timeToWaitForEachPageLoad;
        
        setTimeout(removeUnpopularEventsAndMakeReadable, timeToWaitBeforeRemovingEvents);
    }

    function isEventUnpopular(event)
    {
        var attendeeObj = event.find('.attendee-count');
        var attendeeCount = attendeeObj.text().split('\n')[1];
        
        if(attendeeCount < 30)
        {
            return true;
        }
        
        return false;
    }
    
    function scrollToBottom()
    {
       $(window).scrollTop($(document).height());
    }
    
    //Click the more button to get more events, otherwise 
    //if we delete events before doing this, because the scrollbar doesn't 
    //scroll as far to the bottom, the more button doesn't show up.
    function loadMoreEvents(numExtraPagesToLoad, timeToWaitForEachPageLoad)
    {
        $('.simple-infinite-pager').click();
        
        if(numExtraPagesToLoad < 2)
        {
            return;
        }
        
        var numToLoadByScrolling = numExtraPagesToLoad - 1;
        
        for(var i = 0; i < numToLoadByScrolling; i++)
        {
            setTimeout(scrollToBottom, timeToWaitForEachPageLoad*(i+1));
        }
    }

    function removeUnpopularEvents()
    {
        var events = $('.event-listing');
  
        events.each(function(){
          var event = $(this);
          var shouldRemove = isEventUnpopular(event);

          if(shouldRemove == true)
          {
              event.remove();
          }
        });
    }

    function scrollToStartOfResults()
    {
        $(window).scrollTop(0);
        var startOfResultsOffset = $('#C_pageBody').offset().top;
        $(window).scrollTop(startOfResultsOffset);
    }

    function removeUnpopularEventsAndMakeReadable()
    {
        removeUnpopularEvents();
        
        scrollToStartOfResults();
        
        $('.docked-event-date-wrap').remove();
        $('.find-navbar-wrap').remove();
    }

    setTimeout(loadAndRemoveUnpopularEvents, 2000);