Old Reddit: Simple Filter

Filter subreddits, users, websites and topics

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。

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 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			Old Reddit: Simple Filter
// @description		Filter subreddits, users, websites and topics
// @version			2019.8.14
// @author			Flightless22
// @license			MIT; https://opensource.org/licenses/MIT
// @namespace		flightless22.ORSF
// @include		 	https://old.reddit.com/*
// @match			*://old.reddit.com/*
// @grant			none
// @run-at			document-end
// ==/UserScript==
(function() {
	"use strict";
  
  	//TODO: Optimize

	//------------------------------------------
	//-------[User Configurable Settings]-------
	//------------------------------------------
	var subreddit_filter = [];
	var user_filter = [];
	var title_filter = [];
	var site_filter = [];

	var subreddit_filter_on = true;
	var user_filter_on = true;
	var title_filter_on = true;
	var site_filter_on = true;
  var debug = false;

	//------------------------------------------
	//----------[Do Not Edit Below]-------------
	//------------------------------------------

	function init(){
		if (subreddit_filter_on) subreddit_filter_on = subreddit_filter.length > 0;
		if (user_filter_on) user_filter_on = user_filter.length > 0;
		if (title_filter_on) title_filter_on = title_filter.length > 0;
		if (site_filter_on) site_filter_on = site_filter.length > 0;

		console.log("%c> Reddit Simple Filter: ", "color:#ffa600",
			"{ Subreddits (" + (subreddit_filter_on ? subreddit_filter.length : "none") + ")" +
			" | Users (" + (user_filter_on ? user_filter.length : "none") + ")" +
			" | Titles (" + (title_filter_on ? title_filter.length : "none") + ")" +
			" | Sites (" + (site_filter_on ? site_filter.length : "none") + ") }"
		);

		if (!subreddit_filter_on && !user_filter_on && !title_filter_on && !site_filter_on) return;

		subreddit_filter = arr_to_lowercase(subreddit_filter);
		user_filter = arr_to_lowercase(user_filter);
		title_filter = arr_exact_str_or_regexp(title_filter);
		site_filter = arr_to_lowercase(site_filter);

		setup();
	}

	function setup(){
		if (location.hostname.indexOf("old.reddit.com") > -1){

			if (location.pathname.indexOf("search") && location.search.indexOf("q=") > -1){
				old_reddit_filter(
					{"thing" : "div.search-result-group div.search-result",
						"subreddit" : "a.search-subreddit-link",
						"user" : "a.author",
						"title" : "a.search-title",
						"site": "????"});

			}else{
				old_reddit_filter(
					{"thing" : "div.thing",
						"subreddit" : "a.subreddit",
						"user" : "a.author",
						"title" : "a.title",
						"site" : "span.domain"});
			}
		}else{

		//
		}
	}

	function old_reddit_filter(query = {}) {
		var thingymebob = document.querySelectorAll(query.thing);
		var thingy = {thing : null, subreddit : null, user : null, title : null, site : null};

		for (var i = 0; i < thingymebob.length; i++) {

			thingy.thing = thingymebob[i];
			thingy.subreddit = thingymebob[i].querySelector(query.subreddit);
			thingy.subreddit = thingy.subreddit !== null ? thingy.subreddit.textContent.substring(2) : "" ;//strip off 'r/'
			thingy.user = thingymebob[i].querySelector(query.user);
			thingy.user = thingy.user !== null ? thingy.user.textContent : "" ;
			thingy.title = thingymebob[i].querySelector(query.title);
			thingy.title = thingy.title !== null ? thingy.title.textContent : "";
			thingy.site = thingymebob[i].querySelector(query.site);
			thingy.site = thingy.site !== null ? thingy.site.textContent.substring(1,thingy.site.textContent.length-1) : "";//strip off ()
      if (debug){
			  console.log(i, thingymebob[i]);
			  console.log("id: ", thingy.thing.id, "| subreddit: ", thingy.subreddit,
				"| user: ", thingy.user, "| title: ", thingy.title, "|site: ", thingy.site); 
      }
			filter(thingy);

		}
	}

	function filter(thingy){
		var x, match = null;
		var subreddit = thingy.subreddit.toLowerCase();
		var user = thingy.user.toLowerCase();
		var title = thingy.title.toLowerCase(); //could break user regex filter
		var site = thingy.site.toLowerCase();

		if (subreddit_filter_on && (x = subreddit_filter.findIndex(s => s === subreddit)) > -1) {
			match = ["Subreddit", subreddit_filter[x]];
		}else if (user_filter_on && (x = user_filter.findIndex(s => s === user)) > -1) {
			match = ["User", user_filter[x]];
		}else if (title_filter_on && (x = title_filter.findIndex(s => s.test(title))) > -1) {
			match = ["Title", title_filter[x]];
		}else if (site_filter_on && (x = site_filter.findIndex(s => s === site)) > -1) {
			match = ["Site", site_filter[x]];
		}

		if (match !== null) {
			thingy.thing.style.display = "none";

			console.log("%c> Reddit Simple Filter: ", "color:#ffa600", "Filter: '" + match[0] + "' Match: '" + match[1] + "' Id: "
      + thingy.thing.id + "' , Subreddit: '" + thingy.subreddit + "' , User: '" + thingy.user + "' , Title: '" + thingy.title + "'")
		}

	}

	function arr_exact_str_or_regexp(arr) {
		for (var i = 0; i < arr.length; i++){
			if (typeof arr[i] !== "object" && !(arr[i] instanceof RegExp) ) {
				arr[i] = new RegExp("\\b" + str_esc_regexp(arr[i].toLowerCase()) + "\\b", "i");
			}
		}
		return arr;
	}

	function str_esc_regexp(str){
		return str.replace(/[.*+?\/\\^${}()|\[\]]/gm, "\\$&");
	}

	function arr_to_lowercase(arr){
		if (arr.length < 1) return arr;
		return arr.join("|").toLowerCase().split("|");
	}

	init();

})();