NGA Filter

troll must die

Ajankohdalta 3.12.2019. Katso uusin versio.

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

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

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

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

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

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name      NGA Filter
// @namespace https://greasyfork.org/users/263018
// @version    0.7.0
// @author     snyssss
// @description troll must die
// @match        *bbs.nga.cn/thread.php?fid=*
// @match        *bbs.nga.cn/read.php?tid=*
// @match        *ngabbs.com/thread.php?fid=*
// @match        *ngabbs.com/read.php?tid=*
// @grant       GM_registerMenuCommand
// @noframes
// ==/UserScript==

(function() {
    "use strict";

    const dataKey = "troll_data";
    const modeKey = "troll_mode";
    const keywordKey = "troll_keyword";
    const scoreRuleKey = "troll_scoreRule";

    let trollMap = (function() {
        try {
            return JSON.parse(localStorage.getItem(dataKey)) || {};
        } catch (e) {
            localStorage.setItem(dataKey, "{}");
        }
        return {};
    })();

    let filterMode = ~~localStorage.getItem(modeKey);

    let filterKeyword = localStorage.getItem(keywordKey) || "";

    let filterScoreRule = localStorage.getItem(scoreRuleKey) || "";

    const isTroll = function(uid) {
        uid = ~~uid;
        if (uid) {
            return trollMap[uid];
        }
        return false;
    };

    const isMatch = function(text) {
        if (!!filterKeyword && text.search(filterKeyword) >= 0) {
            return true;
        }
        return false;
    };

    const toggleTroll = function(uid, tag) {
        uid = ~~uid;
        if (uid) {
            if (trollMap[uid] && tag === null) {
                delete trollMap[uid];
            } else {
                trollMap[uid] = tag ? [tag] : [];
            }
            localStorage.setItem(dataKey, JSON.stringify(trollMap));
        }
    };

    const getUID = function(e) {
        let ele = e.getElementsByClassName("author")[0];
        if (ele) {
            return ele.search.match(/uid=(\S*)/)[1];
        }
    };

    const getLink = function(e) {
        let ele = e.getElementsByClassName("topic")[0];
        ele.hide = function() {
            if (filterMode) {
                e.remove();
            } else {
                ele.style.textDecoration = "line-through";
            }
        };
        return ele;
    };

    const getToggleButton = function(e) {
        let ele = e.getElementsByClassName("author")[0].nextElementSibling;
        if (ele.nextElementSibling) {
            ele = ele.nextElementSibling;
        }
        let uid = ~~ele.text;
        if (uid) {
            if (isTroll(uid)) {
                ele.style.background = "#CB4042";
            } else {
                ele.style.background = "#AAA";
            }
            return ele;
        } else {
            ele.onclick = null;
        }
    };

    const getAvatar = function(e) {
        let ele = e.getElementsByClassName("avatar")[0] || {
            style: { display: "" }
        };
        ele.show =
            ele.show ||
            function() {
            ele.style.display = "";
        };
        ele.hide =
            ele.hide ||
            function() {
            ele.style.display = "none";
        };
        return ele;
    };

    const getContent = function(e) {
        let uid = getUID(e);
        let name = "$troll_" + uid;
        let ele = e.getElementsByClassName("postcontent")[0] || { innerHTML: "" };
        ele.content = ele.content || ele.innerHTML;
        ele.show =
            ele.show ||
            function() {
            if (filterMode) {
                e.style.display = "";
            } else {
                ele.innerHTML = ele.content;
            }
        };
        ele.hide =
            ele.hide ||
            function() {
            if (filterMode) {
                e.style.display = "none";
            } else {
                ele.innerHTML =
                    '<div class="lessernuke" style="background: #81C7D4; border-color: #66BAB7;">' +
                    '<span class="crimson">Troll must die.</span> ' +
                    '<a href="javascript:void(0)" onclick="var x = document.getElementsByName(&quot;' +
                    name +
                    '&quot;);for(var i=0;i<x.length;i++){x[i].style.display=&quot;&quot;}">点击查看</a>' +
                    '<div style="display:none" name="' +
                    name +
                    '">' +
                    ele.content +
                    "</div>" +
                    "</div>";
            }
        };
        return ele;
    };

    const getTag = function(e) {
        let container = e.getElementsByClassName("posterinfo")[0];
        let ele = container.children[1];
        if (ele.tagName === "IMG") {
            ele = container.children[2];
        }
        if (ele.className !== "crimson") {
            let t = document.createElement("div");
            t.className = "crimson";
            t.style = "display: none;";
            if (ele.getAttribute("name") === "honor") {
                t.honor = ele;
            }
            ele.before(t);
            ele = t;
        }
        let uid = getUID(e);
        if (isTroll(uid)) {
            if (typeof trollMap[uid] === "object" && trollMap[uid].length) {
                ele.innerHTML = trollMap[uid][0];
            } else {
                ele.innerHTML = "";
            }
        }
        ele.show =
            ele.show ||
            function() {
            if (ele.innerHTML) {
                ele.style.display = "";
            }
            if (ele.honor) {
                ele.honor.style.display = "none";
            }
        };
        ele.hide =
            ele.hide ||
            function() {
            ele.style.display = "none";
            if (ele.honor) {
                ele.honor.style.display = "";
            }
        };
        return ele;
    };

    const checkScore = function(e) {
        let container = e.getElementsByClassName("posterinfo")[0];
        let id = container.id.replace("posterinfo", "");
        if (id && commonui) {
            let data = commonui.postArg.data[id];
            let recommend = 0;
            let scoreUp = function() {
                return data.score + (recommend > 0 ? 1 : 0);
            };
            let scoreDown = function() {
                return data.score_2 + (recommend < 0 ? 1 : 0);
            };

            data.recommendC = function(v) {
                recommend = recommend + ~~v;
                if (recommend === 0) {
                    data.recommendO.parentNode.style.backgroundColor = "";
                }
                data.recommendO.innerHTML = scoreUp() + " - " + scoreDown();
            };

            data.recommendC();

            if (filterScoreRule.length) {
                try {
                    return ~~eval(
                        filterScoreRule.replace("赞", scoreUp()).replace("踩", scoreDown())
                    );
                } catch {}
            }
            }
                    return false;
            };

                    const observerElements = [
                    (function() {
                        let container = document.getElementById("topicrows");
                        let func = function(e) {
                            if (e.tagName == "SCRIPT") return;
                            let uid = getUID(e);
                            let link = getLink(e);
                            if (isTroll(uid) || isMatch(link.innerHTML)) {
                                link.hide();
                            }
                        };
                        return [container, func];
                    })(),
                        (function() {
                        let container = document.getElementById("m_posts_c");
                        let func = function(e) {
                            if (e.tagName == "SCRIPT") return;
                            let uid = getUID(e);
                            let toggle = getToggleButton(e);
                            if (toggle) {
                                toggle.onclick = function(e) {
                                    let tag = null;
                                    if (e.ctrlKey) {
                                        tag = window.prompt("标签", (trollMap[uid] || {})[0]);
                                        if (tag === null) {
                                            return;
                                        }
                                    }
                                    toggleTroll(uid, tag);
                                    container.refilter();
                                };
                            } else {
                                return;
                            }
                            let avatar = getAvatar(e);
                            let content = getContent(e);
                            let tag = getTag(e);
                            let score = checkScore(e);
                            if (isTroll(uid) || score) {
                                avatar.hide();
                                content.hide();
                                tag.show();
                            } else {
                                avatar.show();
                                content.show();
                                tag.hide();
                            }
                        };
                        return [container, func];
                    })()
                ];

                [].slice.call(observerElements).forEach(function(e) {
                    if (!e[0]) return;

                    e[0].refilter = function() {
                        [].slice.call(e[0].children).forEach(function(c) {
                            e[1](c);
                        });
                    };

                    e[0].refilter();

                    let observer = new MutationObserver(function(mutations) {
                        mutations.forEach(function(mutation) {
                            if (mutation.addedNodes.length) {
                                e[1](mutation.addedNodes[0]);
                            }
                        });
                    });

                    observer.observe(e[0], {
                        childList: true
                    });
                });

                if (filterMode) {
                    GM_registerMenuCommand("过滤模式:删除", () => {
                        localStorage.setItem(modeKey, 0);
                        location.reload();
                    });
                } else {
                    GM_registerMenuCommand("过滤模式:标记", () => {
                        localStorage.setItem(modeKey, 1);
                        location.reload();
                    });
                }

                GM_registerMenuCommand("修改过滤关键词", () => {
                    let result = window.prompt('过滤关键词,用"|"隔开', filterKeyword);
                    if (result === null || result === filterKeyword) {
                        return;
                    }
                    localStorage.setItem(keywordKey, result);
                    location.reload();
                });

                GM_registerMenuCommand("修改赞踩规则", () => {
                    let result = window.prompt(
                        '赞踩计算公式,比如"踩>100"或者"赞<踩*10"等',
                        filterScoreRule
                    );
                    if (result === null || result === filterScoreRule) {
                        return;
                    }
                    localStorage.setItem(scoreRuleKey, result);
                    location.reload();
                });
            })();