1. // ==UserScript==
2. // @name 4chan GETter
3. // @description Script to help you get repeating digits. Loosely based on mGET. Requires 4chan X.
4. // @author Xyl
5. // @match *://*.4chan.org/*
6. // @match *://*.4channel.org/*
7. // @grant GM_xmlhttpRequest
8. // @connect sys.4chan.org
9. // @version 1.2.1
10. // @namespace https://xyllon.com
11. // ==/UserScript==
12.  
13. let latestPostNumber = -1;
14. const board = location.pathname.match(/\/[^\/]+\//)[0];
15. let games = (board == "/v/" || board == "/vg/" || board == "/vr/");
16.  
17. if (document.getElementById("qr")) inject();
18. document.addEventListener('QRDialogCreation', (e) => inject());
19.  
20. function inject() {
21.     let dubs = (games) ? "" : "<option value=\"dubs\">Dubs</option>";
22.     document.querySelector('#qr .move').insertAdjacentHTML("afterend", `
23.     <div class="getscript"  5px; padding-left: 5px;">Last Post #<span id="postnumber"  hidden"></span>
24.     <div  right; margin-right: 15px;">
25.     &lt;input type="number" name="offset" value="1"  -3px; width: 5ch; height: 16px; padding: 0px !important; -moz-appearance:textfield;" id="offset" title="When to post (a value of 1 with a target post of 99 will post at 98, a value of 2 will post at 97, etc.)"&gt;
26.     <select data-name="digits" id="digits" title="Select the numbers you want">
27.     <option value="none">Select GET</option>` + dubs + `
28.     <option value="trips">Trips</option>
29.     <option value="quads">Quads</option>
30.     <option value="quints">Quints</option>
31.     <option value="sexts">Sexts</option>
32.     <option value="septs">Septs</option>
33.     <option value="octs">Octs</option>
34.     <option value="nons">Nons</option>
35.     <option value="decs">Decs</option>
36.     </select></div></div>`);
37.     approxLatestPostNumber();
38. }
39.  
40. function checkForGET () {
41.     window.target = latestPostNumber + parseInt(document.getElementById('offset').value);
42.     switch(document.getElementById("digits").value) {
43.         case "":
44.             break;
45.         case "dubs":
46.             return /(\d)\1{1,}$/.test(target);
47.             break;
48.         case "trips":
49.             return /(\d)\1{2,}$/.test(target);
50.             break;
51.         case "quads":
52.             return /(\d)\1{3,}$/.test(target);
53.             break;
54.         case "quints":
55.             return /(\d)\1{4,}$/.test(target);
56.             break;
57.         case "sexts":
58.             return /(\d)\1{5,}$/.test(target);
59.             break;
60.         case "septs":
61.             return /(\d)\1{6,}$/.test(target);
62.             break;
63.         case "octs":
64.             return /(\d)\1{7,}$/.test(target);
65.             break;
66.         case "nons":
67.             return /(\d)\1{8,}$/.test(target);
68.             break;
69.         case "decs":
70.             return /(\d)\1{9,}$/.test(target);
71.             break;
72.     }
73. }
74.  
75. function approxLatestPostNumber() {
76.     fetch("https://a.4cdn.org" + board + "1.json").then(response => response.json()).then(json => {
77.         let threadFound = false;
78.         let thread = 0;
79.         while (!threadFound) {
80.             if (json.threads[thread].posts[0].closed == 1 || json.threads[thread].posts[0].sticky == 1) thread++;
81.             else threadFound = true;
82.         }
83.         latestPostNumber = json.threads[thread].posts.slice(-1)[0].no;
84.         document.getElementById("postnumber").textContent = latestPostNumber;
85. updatePostNumber();
86.     });
87. }
88.  
89. function updatePostNumber() {
90.     GM_xmlhttpRequest({
91.         url: ("https://sys.4chan.org" + board + "imgboard.php?res=" + (latestPostNumber + 1)),
92.         method: "HEAD",
93.         onload: response => {
94. if (response.status == 200) {
95. latestPostNumber++;
96. } else if (games && /(([1-9])\2|[^0]0{2,2})$/.test(latestPostNumber + 1)) {
97. if (/[^9]99$/.test(latestPostNumber + 1)) latestPostNumber += 2;
98. else latestPostNumber++;
99. }
100. if (checkForGET()) {
101. document.querySelector("#file-n-submit input:last-child").click();
102. document.getElementById("digits").value = "none";
103. }
104. document.getElementById("postnumber").style.visibility = "visible";
105. document.getElementById("postnumber").textContent = latestPostNumber;
106. updatePostNumber();
107.         }
108.     });
109. }