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futaba reverse res search

被引用レスをポップアップ表示・自分の書き込みへのレスを通知しちゃう

目前为 2022-11-23 提交的版本，查看 最新版本。

  1. // ==UserScript==
  2. // @name         futaba reverse res search
  3. // @namespace    https://github.com/himuro-majika
  4. // @version      1.0.2
  5. // @description  被引用レスをポップアップ表示・自分の書き込みへのレスを通知しちゃう
  6. // @author       himuro_majika
  7. // @license      MIT
  8. // @match        *://*.2chan.net/*/res/*
  9. // @icon         https://www.google.com/s2/favicons?sz=64&domain=2chan.net
  10. // @grant        GM_getValue
  11. // @grant        GM_setValue
  12. // @grant        GM_listValues
  13. // @grant        GM_deleteValue
  14. // @grant        GM_notification
  15. // ==/UserScript==
  16.  
  17. (() => {
  18.   'use strict';
  19.  
  20.   // ====オプション====
  21.   const USE_NOTIFICATION = true; //自分の書き込みに新着レスが有ったときに通知を表示する(true/false)
  22.   const NOTIFICATION_TIMEOUT = 5000; //通知の表示時間(ms)
  23.   const MAX_COMMENT_HISTORY_THREAD = 100; //最大レス履歴保存数(スレ)
  24.   const MARKER_CHAR = "★"; //自分の書き込みに付けるマーカーの文字(任意:絵文字も可)
  25.   // ================
  26.  
  27.   const script_title = "GM_FRRS";
  28.   let qtlist = [];
  29.   let popupOpenTimer;
  30.   let popupCloseTimer;
  31.   let url;
  32.   let isPosted = false;
  33.   let commentHistoryList;
  34.   const startTime = new Date().getTime(); //count parsing time
  35.   init();
  36.  
  37.   function init() {
  38.     url = getUrl();
  39.     checkLoading();
  40.     makeSelfCommentPicker();
  41.     observeInserted();
  42.     setOnSubmitEvent();
  43.   }
  44.  
  45.   function initParse() {
  46.     searchSelfComment();
  47.     searchQuotedRes();
  48.     addCounter();
  49.     console.log(script_title + ' - Parsing: ' + ((new Date()).getTime() - startTime) + 'msec'); //log parsing time
  50.   }
  51.  
  52.   function getUrl() {
  53.     return location.href.match(/^.+:\/\/(.+)/)[1];
  54.   }
  55.  
  56.   function checkLoading() {
  57.     let loadingTimer = setInterval(() => {
  58.       if (!document.getElementById("futakuro-loading")) {
  59.         initParse();
  60.         clearInterval(loadingTimer);
  61.       }      
  62.     }, 100)
  63.   }
  64.  
  65.   function getThreImgSrc() {
  66.     let threimg = document.querySelector("#master img");
  67.     if (!threimg) threimg = document.querySelector(".thre > a > img");
  68.     return threimg.src
  69.   }
  70.  
  71.   function getQuotedRes() {
  72.     return document.querySelectorAll(".thre td blockquote font[color='#789922']");
  73.   }
  74.  
  75.   function searchQuotedRes(quote) {
  76.     if (arguments.length == 0) {
  77.       quote = getQuotedRes();
  78.     }
  79.     let bqs = document.querySelectorAll(".thre blockquote");
  80.     quote.forEach(item => {
  81.       let qtnum = getResNoFromTdChild(item.parentNode);
  82.       let qtsrcnum = _searchQtSrc(item, qtnum, bqs);
  83.       let qtitemindex = qtlist.findIndex(item => item.qtsrcnum == qtsrcnum);
  84.  
  85.       if (qtitemindex !== -1 && qtlist[qtitemindex].qtres.findIndex(item => item == qtnum) !== -1) return
  86.  
  87.       if (qtitemindex !== -1) {
  88.         qtlist[qtitemindex].qtres.push(qtnum);
  89.       } else {
  90.         let qtres = [];
  91.         qtres.push(qtnum);
  92.         let objqt = {
  93.           "qtsrcnum": qtsrcnum,
  94.           "qtres": qtres
  95.         }
  96.         qtlist.push(objqt)
  97.       }
  98.       if (commentHistoryList && commentHistoryList.length > 0) {
  99.         commentHistoryList.forEach(com => {
  100.           if (com.resno == qtsrcnum) {
  101.             highlightResponse(item);
  102.             if (arguments.length > 0) {
  103.               let text = "";
  104.               item.parentNode.childNodes.forEach(node => {
  105.                 if (node.nodeName == "#text") {
  106.                   text += node.textContent + "\n";
  107.                 }
  108.               });
  109.               showNotification(text);
  110.             }
  111.           }
  112.         })
  113.       }
  114.     });
  115.   }
  116.  
  117.   function _searchQtSrc(qt, qtnum, bqs) {
  118.     let qtText = qt.innerText.substr(1).trim();
  119.     let qtsrcnum = "0";
  120.  
  121.     // レスナンバー(No.)
  122.     // /^ *(No)?\.?[0-9]+ *$/
  123.     let matchResNo = qtText.match(/^\s*No\.(\d+)\s*$/);
  124.     if (matchResNo && document.getElementById("delcheck" + matchResNo[1])) {
  125.       qtsrcnum = matchResNo[1];
  126.       return qtsrcnum;
  127.     }
  128.  
  129.     // 画像ファイル名
  130.     // /^[0-9]+\.(jpg|png|gif|webm|mp4|webp)$/
  131.     let matchFileName = qtText.match(/^\s*(\d+\.(jpg|png|gif|webm|mp4|webp))\s*$/);
  132.     if (matchFileName) {
  133.       let matchFileEle = document.querySelector('.thre a[href$="' + matchFileName[1] + '"]');
  134.       if (matchFileEle) {
  135.         qtsrcnum = getResNoFromTdChild(matchFileEle);
  136.         return qtsrcnum;
  137.       }
  138.     }
  139.  
  140.     // レス本文
  141.     if (qtText.substr(0,1) == ">") return qtsrcnum;
  142.     const qtresnum = parseInt(qt.parentNode.parentNode.querySelector(".rsc").textContent);
  143.     for (let i = qtresnum - 1; i > 0; i--) {
  144.       let t = "";
  145.       bqs[i].childNodes.forEach(node => {
  146.         if (node.nodeName == "#text") {
  147.           t += node.textContent;
  148.         }
  149.       });
  150.       if (t.indexOf(qtText) >= 0) {
  151.         qtsrcnum = getResNoFromTdChild(bqs[i].parentNode);
  152.         if (qtsrcnum == qtnum) qtsrcnum = "0";
  153.         break;
  154.       }
  155.     }
  156.  
  157.     return qtsrcnum;
  158.   }
  159.  
  160.   // 被引用数の表示
  161.   function addCounter() {
  162.     let existedCounter = document.querySelectorAll("." + script_title + "_Counter");
  163.     existedCounter.forEach(item => {
  164.       item.remove();
  165.     })
  166.     let cno = document.querySelectorAll(".cno");
  167.     cno.forEach(no => {
  168.       let num = no.textContent.match(/\d+$/);
  169.       let qtindex = qtlist.findIndex(item => item.qtsrcnum == num);
  170.       if (qtindex == -1) return;
  171.       let qtcount = qtlist[qtindex].qtres.length;
  172.       const counter = document.createElement("a");
  173.  
  174.       counter.innerText = qtcount + "レス";
  175.       counter.classList.add(script_title + "_Counter");
  176.       counter.style.color = "#117743";
  177.       counter.style.marginLeft = "0.5em";
  178.       counter.setAttribute(script_title + "_num", num);
  179.  
  180.  
  181.       counter.addEventListener("mouseenter", popupQuoteRes);
  182.       counter.addEventListener("mouseleave", removePopup);
  183.       no.parentNode.insertBefore(counter, no);
  184.     });
  185.   }
  186.  
  187.   // 被引用レスのポップアップ
  188.   function popupQuoteRes(e) {
  189.     if (!this.closest("." + script_title + "_popup")) {
  190.       removePopupAll();
  191.     }
  192.     clearTimeout(popupCloseTimer);
  193.     clearTimeout(popupOpenTimer);
  194.     popupOpenTimer = setTimeout(() => {
  195.       let srcnum = this.getAttribute(script_title + "_num");
  196.       let qtitem = qtlist.find(item => item.qtsrcnum == srcnum);
  197.       let qtres = qtitem.qtres;
  198.       let resListContainer = makePopupContainer();
  199.  
  200.       let xpos = this.getBoundingClientRect().left + window.scrollX - 20;
  201.       let ypos = this.getBoundingClientRect().bottom + window.scrollY;
  202.       resListContainer.style.top = ypos.toString() + "px";
  203.       if (xpos + 500 > window.innerWidth) {
  204.         resListContainer.style.right = "20px";
  205.       } else {
  206.         resListContainer.style.left = xpos.toString() + "px";
  207.       }
  208.  
  209.       let resListTable = setPopupContent(qtres);
  210.  
  211.       resListContainer.appendChild(resListTable);
  212.         document.querySelector("div.thre").appendChild(resListContainer);
  213.     }, 200);
  214.   }
  215.  
  216.   function setPopupContent(resnolist) {
  217.     if (resnolist.length == 0) {
  218.       let noEle = document.createElement("div");
  219.       noEle.textContent = "該当レスがありません。";
  220.       return noEle;
  221.     }
  222.     let resListTable = document.createElement("table");
  223.     let resListTbody = document.createElement("tbody");
  224.  
  225.     resnolist.forEach(res => {
  226.       let td = document.getElementById("delcheck" + res).parentNode.cloneNode(true);
  227.       let rsc = td.querySelector(".rsc");
  228.       rsc.classList.add("qtjmp");
  229.       let jumpid = rsc.id;
  230.       rsc.removeAttribute("id");
  231.       rsc.addEventListener("click", () => {
  232.         let jumptarget = document.getElementById(jumpid).parentNode;
  233.         window.scroll(0, jumptarget.getBoundingClientRect().top + window.pageYOffset);
  234.         removePopup();
  235.       });
  236.  
  237.       const counter = td.querySelector("." + script_title + "_Counter");
  238.       if (counter) {
  239.         counter.addEventListener("mouseenter", popupQuoteRes);
  240.         counter.addEventListener("mouseleave", removePopup);
  241.       }
  242.  
  243.       const futakuro_resno = td.querySelector(".res_no");
  244.       if (futakuro_resno) futakuro_resno.style.display = "none";
  245.  
  246.       if (checkAkahukuEnabled()) {
  247.         // resListContainer.setAttribute("__akahuku_reply_popup_index", resno);
  248.         let gtdiv = document.createElement("div");
  249.         gtdiv.classList.add("akahuku_popup_content_blockquote");
  250.         let bq = td.querySelector("blockquote");
  251.         gtdiv.innerHTML = bq.innerHTML;
  252.         bq.remove();
  253.         td.appendChild(gtdiv);
  254.       }
  255.       let resListTr = document.createElement("tr");
  256.       resListTr.appendChild(td);
  257.       resListTbody.appendChild(resListTr);
  258.     })
  259.     resListTable.appendChild(resListTbody);
  260.  
  261.     return resListTable;
  262.   }
  263.  
  264.   function makePopupContainer() {
  265.     let container = document.createElement("div");
  266.     container.classList.add(script_title + "_popup");
  267.     if (checkAkahukuEnabled()) {
  268.       container.classList.add("akahuku_reply_popup");
  269.     } else {
  270.       container.style.backgroundColor = "#F0E0D6";
  271.       container.style.boxShadow = "1px 1px 3px 1px #777";
  272.       container.style.borderRadius = "5px";
  273.       container.style.fontSize = "0.85em";
  274.     }
  275.     container.style.position = "absolute";
  276.     container.style.zIndex = 302;
  277.     container.addEventListener("mouseenter", () => {
  278.       clearTimeout(popupCloseTimer);
  279.     });
  280.     container.addEventListener("mouseleave", removePopup);
  281.     return container;
  282.   }
  283.  
  284.   function removePopup(souceEl) {
  285.     clearTimeout(popupCloseTimer);
  286.     clearTimeout(popupOpenTimer);
  287.     if (!souceEl) return;
  288.     if (!souceEl.relatedTarget) return;
  289.     if (souceEl.srcElement.className == "GM_FRRS_Counter" && 
  290.       souceEl.relatedTarget.closest(".GM_FRRS_popup")) return;
  291.     if (souceEl.srcElement.classList.contains("GM_FRRS_popup") && 
  292.       souceEl.relatedTarget.closest(".GM_FRRS_popup")) {
  293.       removeForwardPopupSibling(souceEl.relatedTarget.closest(".GM_FRRS_popup"));
  294.       return;
  295.     }
  296.     popupCloseTimer = setTimeout(() => {
  297.       removePopupAll();
  298.     }, 500);
  299.   }
  300.  
  301.   function removePopupAll() {
  302.     let popup = document.querySelectorAll("." + script_title + "_popup");
  303.     if (!popup) return;
  304.     popup.forEach(p => {
  305.       p.remove();
  306.     })
  307.   }
  308.  
  309.   function removeForwardPopupSibling(ele) {
  310.     if (!ele.nextElementSibling) return;
  311.     let nextsibling = ele.nextElementSibling;
  312.     if (nextsibling.classList.contains("GM_FRRS_popup")) {
  313.       nextsibling.remove();
  314.     } else {
  315.       return;
  316.     }
  317.     removeForwardPopupSibling(ele);
  318.   }
  319.  
  320.   // 続きを読むで挿入される要素を監視
  321.   function observeInserted() {
  322.     let target = document.querySelector(".thre");
  323.     if (!target) return;
  324.     let observer = new MutationObserver((mutations) => {
  325.       mutations.forEach(mutation => {
  326.         if (!mutation.addedNodes.length) return;
  327.         if (mutation.addedNodes[0].className == script_title + "_popup") return;
  328.         if (mutation.addedNodes[0].querySelector(".rtd")) {
  329.           refreshCounter(mutation.addedNodes);
  330.         }
  331.       });
  332.       if (isPosted) {
  333.         isPosted = false;
  334.         selfComment(mutations);
  335.       }
  336.     });
  337.     observer.observe(target, {
  338.       childList: true
  339.     });
  340.   }
  341.  
  342.   function refreshCounter(nodes) {
  343.     let qt = nodes[0].querySelectorAll(".thre td blockquote font[color='#789922']");
  344.     if (!qt.length) return;
  345.     searchQuotedRes(qt);
  346.     addCounter();
  347.   }
  348.  
  349.   // レス投稿時のイベント設定
  350.   function setOnSubmitEvent() {
  351.     let formEle = document.getElementById("fm");
  352.  
  353.     formEle.addEventListener("submit", () => {
  354.       onCommentSend();
  355.     });
  356.     let button = formEle.querySelector("input[type='submit'");
  357.     if (button) {
  358.       button.addEventListener("click", () => {
  359.         onCommentSend();
  360.       });
  361.     }
  362.   }
  363.  
  364.   function onCommentSend() {
  365.     if (isPosted) return;
  366.     isPosted = true;
  367.     let textbody = document.getElementById("ftxa").value.trim();
  368.     storeCommentHistory(textbody);
  369.   }
  370.  
  371.   // 書き込み履歴の保存
  372.   function storeCommentHistory(commentText) {
  373.     if (typeof(commentText) !== "string") return;
  374.  
  375.     commentHistoryList = getCommentHistory();
  376.  
  377.     let comment = {
  378.       "comment": commentText,
  379.       "resno": ""
  380.     }
  381.     if (!commentHistoryList) {
  382.       commentHistoryList = [];
  383.     }
  384.     commentHistoryList.push(comment);
  385.     
  386.     setCommentHistory(commentHistoryList);
  387.     console.log(commentHistoryList);
  388.     setTimeout(() => {
  389.       expireCommentHistory();
  390.     }, 5000);
  391.   }
  392.  
  393.   function getCommentHistory() {
  394.     let commentHistory = getValue(url);
  395.     return commentHistory;
  396.   }
  397.  
  398.   function setCommentHistory(commenthistory) {
  399.     setValue(url, commenthistory);
  400.     return;
  401.   }
  402.  
  403.   function searchSelfComment() {
  404.     let listUpdatedFlag = false;
  405.     commentHistoryList = getCommentHistory();
  406.     if (!commentHistoryList) return;
  407.     commentHistoryList.forEach(element => {
  408.       let elresno = element.resno;
  409.       if (elresno !== "") {
  410.         let sd = document.getElementById("sd" + elresno);
  411.         if (!sd) return;
  412.         highlightOwnRes(sd);
  413.       }
  414.       let comment = element.comment;
  415.       if (elresno == "" && comment) {
  416.         console.log(comment);
  417.         let bq = document.querySelectorAll(".thre .rtd blockquote");
  418.         bq.forEach(item => {
  419.           let bqtext = item.innerText;
  420.           if (comment == bqtext) {
  421.             let bqresno = getResNoFromTdChild(item);
  422.             let itemsd = document.getElementById("sd" + bqresno);
  423.             if (!itemsd) return;
  424.             highlightOwnRes(itemsd);
  425.             element.resno = bqresno;
  426.             listUpdatedFlag = true;
  427.             // console.log(bqresno);
  428.           }
  429.         })
  430.       }
  431.     });
  432.     if (listUpdatedFlag) {
  433.       setCommentHistory(commentHistoryList);
  434.     }
  435.     // console.log(qtlist);
  436.   }
  437.  
  438.   function selfComment(mutations) {
  439.     commentHistoryList = getCommentHistory();
  440.     if (!commentHistoryList) return;
  441.     if (commentHistoryList[commentHistoryList.length - 1].resno !== "") return;
  442.     let latestStoredComment = commentHistoryList[commentHistoryList.length - 1].comment;
  443.     let hitres;
  444.     mutations.forEach(mutation => {
  445.       if (mutation.addedNodes.length && mutation.addedNodes[0].querySelector(".rtd")) {
  446.         let table = mutation.addedNodes[0];
  447.         let bq = table.querySelector("blockquote");
  448.         if (!bq) return;
  449.         let bqtext = bq.innerText;
  450.         if (latestStoredComment === "") {
  451.           if (bqtext !== "ｷﾀ━━━(ﾟ∀ﾟ)━━━!!" &&
  452.               bqtext !== "ｷﾀ━━━━━━(ﾟ∀ﾟ)━━━━━━ !!!!!" &&
  453.               bqtext !== "本文無し") {
  454.             return;
  455.           }
  456.         } else if (bqtext !== latestStoredComment) {
  457.           return;
  458.         }
  459.         commentHistoryList[commentHistoryList.length - 1].resno = getResNoFromTdChild(bq);
  460.         hitres = table;
  461.       }
  462.     });
  463.     if (!hitres) return;
  464.     // console.log(hitres);
  465.     setCommentHistory(commentHistoryList);
  466.     let sd = hitres.querySelector(".sod");
  467.     highlightOwnRes(sd);
  468.     // console.log(commentHistoryList);
  469.   }
  470.  
  471.   function highlightOwnRes(node) {
  472.     if (node.parentNode.querySelector("." + script_title + "_own_res")) return;
  473.     let marker = document.createElement("span");
  474.  
  475.     marker.innerText = MARKER_CHAR;
  476.     marker.classList.add(script_title + "_own_res");
  477.     // marker.style.fontWeight = "bold";
  478.     marker.style.color = "#117743";
  479.     marker.style.cursor = "pointer";
  480.     marker.addEventListener("click", () => {
  481.       let selfResList = document.querySelectorAll("." + script_title + "_own_res");
  482.       popupSelfCommentList(selfResList);
  483.     });
  484.     let rsc = node.parentNode.querySelector(".rsc");
  485.     let futakuroResNo = node.parentNode.querySelector(".res_no");
  486.     if (futakuroResNo) {
  487.       rsc = futakuroResNo;
  488.     }
  489.     rsc.style.color = "#1b54ff";
  490.     rsc.style.fontWeight = "bold";
  491.     rsc.style.fontSize = "smaller";
  492.     rsc.style.cursor = "pointer";
  493.     rsc.addEventListener("click", () => {
  494.       let selfResList = document.querySelectorAll("." + script_title + "_own_res");
  495.       popupSelfCommentList(selfResList);
  496.     });
  497.     node.parentNode.insertBefore(marker, node.previousSibling);
  498.   }
  499.  
  500.   // 自分の書き込みへのレスをハイライト
  501.   function highlightResponse(bq) {
  502.     bq.parentNode.classList.add(script_title + "_response");
  503.     let rsc = bq.parentNode.parentNode.querySelector(".rsc");
  504.     let futakuroResNo = bq.parentNode.parentNode.querySelector(".res_no");
  505.     if (futakuroResNo) {
  506.       rsc = futakuroResNo;
  507.     }
  508.     rsc.style.color = "#ff0078";
  509.     rsc.style.fontWeight = "bold";
  510.     rsc.style.fontSize = "smaller";
  511.     rsc.style.cursor = "pointer";
  512.     rsc.addEventListener("click", () => {
  513.       let selfResList = document.querySelectorAll("." + script_title + "_response");
  514.       document.getElementById(script_title + "_new_comment").style.color = "#0040ee";
  515.       popupSelfCommentList(selfResList);
  516.     });
  517.   }
  518.  
  519.   // 自分の書き込み一覧ポップアップ
  520.   function makeSelfCommentPicker() {
  521.     let commentPickerContainer = document.createElement("div");
  522.     commentPickerContainer.id = script_title + "_comment_picker_container";
  523.     commentPickerContainer.style.fontSize = "9pt";
  524.  
  525.     let commentPicker = document.createElement("a");
  526.     commentPicker.id = script_title + "_self_comment_picker";
  527.     commentPicker.textContent = "📑[自分の書き込み]";
  528.     commentPicker.style.color = "#0040ee";
  529.     commentPicker.style.cursor = "pointer";
  530.     commentPicker.addEventListener("click", () => {
  531.       let selfResList = document.querySelectorAll("." + script_title + "_own_res");
  532.       popupSelfCommentList(selfResList);
  533.     });
  534.     let newComment = document.createElement("a");
  535.     newComment.id = script_title + "_new_comment";
  536.     newComment.textContent = "[書き込みへのレス]";
  537.     newComment.style.cursor = "pointer";
  538.     newComment.style.color = "#0040ee";
  539.     newComment.addEventListener("click", () => {
  540.       let selfResList = document.querySelectorAll("." + script_title + "_response");
  541.       document.getElementById(script_title + "_new_comment").style.color = "#0040ee";
  542.       popupSelfCommentList(selfResList);
  543.     });
  544.     commentPickerContainer.appendChild(commentPicker);
  545.     commentPickerContainer.appendChild(newComment);
  546.  
  547.     let pwd = document.getElementById("usercounter");
  548.     pwd.parentNode.insertBefore(commentPickerContainer, pwd);
  549.   }
  550.  
  551.   function popupSelfCommentList(selfResList) {
  552.     let popup = document.getElementById(script_title + "_own_res_popup");
  553.     if (popup) {
  554.       popup.remove();
  555.       return;
  556.     }
  557.     let container = makeSelfCommentListContainer();
  558.     let selfResNoList = [];
  559.     selfResList.forEach(res => {
  560.       selfResNoList.push(getResNoFromTdChild(res));
  561.     });
  562.     let qttable = setPopupContent(selfResNoList);
  563.     container.appendChild(qttable);
  564.     document.querySelector("html body").appendChild(container);
  565.   }
  566.  
  567.   function makeSelfCommentListContainer() {
  568.     let container = document.createElement("div");
  569.     container.id = script_title + "_own_res_popup";
  570.     if (checkAkahukuEnabled()) {
  571.       container.classList.add("akahuku_reply_popup");
  572.     } else {
  573.       container.style.boxShadow = "1px 1px 3px 1px #777";
  574.       container.style.borderRadius = "5px";
  575.       container.style.fontSize = "0.85em";
  576.     }
  577.     container.style.position = "fixed";
  578.     container.style.right = "10px";
  579.     container.style.bottom = "400px";
  580.     container.style.zIndex = "301";
  581.     container.style.overflowY = "scroll";
  582.     container.style.maxHeight = "65vh";
  583.     container.style.maxWidth = "65em";
  584.  
  585.     return container;
  586.   }
  587.  
  588.   function showNotification(text) {
  589.     const newRes = document.getElementById(script_title + "_new_comment");
  590.     newRes.style.display = "";
  591.     newRes.style.color = "#F00";
  592.  
  593.     if (!USE_NOTIFICATION) return;
  594.  
  595.     GM_notification({
  596.       title: "書き込みに新しいレスがあります",
  597.       image: getThreImgSrc(),
  598.       text: text,
  599.       timeout: NOTIFICATION_TIMEOUT,
  600.       onclick: () =>{
  601.         // console.log("notification clicked");
  602.       }
  603.     });
  604.   }
  605.  
  606.   function getResNoFromTdChild(ele) {
  607.     let cno = ele.parentNode.querySelector(".cno");
  608.     let resno = cno.textContent.replace("No.", "");
  609.     return resno;
  610.   }
  611.  
  612.   function checkAkahukuEnabled() {
  613.     return document.getElementById("akahuku_postform") != null
  614.   }
  615.  
  616.   function checkFutakuroEnabled() {
  617.     return document.getElementById("postform") != null;
  618.   }
  619.  
  620.   function expireCommentHistory() {
  621.     const historyList = getListValues();
  622.     // console.log(historyList);
  623.     if (historyList.length > MAX_COMMENT_HISTORY_THREAD) {
  624.       for (let i = 0; i < historyList.length - MAX_COMMENT_HISTORY_THREAD; i++) {
  625.         deleteValue(historyList[i]);
  626.         console.log(script_title + " expire comment history: " + historyList[i]);
  627.       }
  628.     }
  629.   }
  630.  
  631.   function getValue(name) {
  632.     if (!name) return;
  633.     try {
  634.       let val = GM_getValue(name);
  635.       if (!val) return 0;
  636.       // console.log(val);
  637.       return val;
  638.     } catch(e) {
  639.       console.log(e);
  640.       return 0;
  641.     }
  642.   }
  643.  
  644.   function setValue(name, val) {
  645.     if (!name || !val) return;
  646.     try {
  647.       GM_setValue(name, val);
  648.     } catch(e) {
  649.       console.log(e);
  650.       return;
  651.     }
  652.   }
  653.  
  654.   function getListValues() {
  655.     try {
  656.       const gmlistvalues = GM_listValues();
  657.       if (!gmlistvalues) return;
  658.       return gmlistvalues;
  659.     } catch (e) {
  660.       console.log(e);
  661.       return;
  662.     }
  663.   }
  664.  
  665.   function deleteValue(name) {
  666.     if (!name) return;
  667.     try {
  668.       GM_deleteValue(name);
  669.       return;
  670.     } catch (e) {
  671.       console.log(e);
  672.       return 0;
  673.     }
  674.   }
  675. })();