// ==UserScript==
// @name B站弹幕显示发送次数与点赞数
// @namespace https://tampermonkey.net/
// @description 在弹幕旁边显示发送次数（合并同文本弹幕）与点赞数。
// @version 1.0.0
// @author ZBpine
// @icon https://www.bilibili.com/favicon.ico
// @match https://www.bilibili.com/video/*
// @match https://www.bilibili.com/bangumi/play/*
// @match https://www.bilibili.com/list/watchlater*
// @grant GM_addStyle
// @grant GM_xmlhttpRequest
// @connect api.bilibili.com
// @run-at document-start
// @license MIT
// ==/UserScript==
/******/ (() => { // webpackBootstrap
/******/ "use strict";
;// ./src/ui.css
const ui_namespaceObject = "/* 弹幕角标 */\r\n.tm-danmaku-badge {\r\n position: absolute;\r\n left: 100%;\r\n top: 50%;\r\n transform: translateY(-50%);\r\n margin-left: .28em;\r\n font-size: .86em;\r\n pointer-events: none;\r\n user-select: none;\r\n white-space: nowrap;\r\n display: inline-flex;\r\n align-items: center;\r\n gap: .18em;\r\n}\r\n\r\n.tm-danmaku-badge svg {\r\n width: 1em;\r\n height: 1em;\r\n flex: 0 0 auto;\r\n}\r\n\r\n.tm-danmaku-merged-hide {\r\n opacity: 0 !important;\r\n visibility: hidden !important;\r\n pointer-events: none !important;\r\n}\r\n\r\n/* 可折叠面板外壳 */\r\n.tm-dm-adapt-panel {\r\n width: 100%;\r\n box-sizing: border-box;\r\n flex: 0 0 100%;\r\n margin: 8px 0 6px;\r\n}\r\n\r\n/* 面板头 */\r\n.tm-dm-adapt-panel-header {\r\n width: 100%;\r\n box-sizing: border-box;\r\n display: flex;\r\n align-items: center;\r\n justify-content: space-between;\r\n gap: 10px;\r\n cursor: pointer;\r\n user-select: none;\r\n padding: 6px;\r\n}\r\n\r\n.tm-dm-adapt-panel-title {\r\n font-size: 14px;\r\n line-height: 20px;\r\n color: var(--text1, #18191C);\r\n}\r\n\r\n/* 小箭头 */\r\n.tm-dm-adapt-panel-caret {\r\n width: 6px;\r\n height: 6px;\r\n flex: 0 0 auto;\r\n opacity: .75;\r\n border-right: 2px solid currentColor;\r\n border-bottom: 2px solid currentColor;\r\n transform: rotate(45deg);\r\n /* 向下 */\r\n transition: transform .18s ease;\r\n margin-right: 2px;\r\n}\r\n\r\n.tm-dm-adapt-panel.closed .tm-dm-adapt-panel-caret {\r\n transform: rotate(-45deg);\r\n}\r\n\r\n/* 面板体：用 max-height 做动画 */\r\n.tm-dm-adapt-panel-body {\r\n overflow: hidden;\r\n max-height: 999px;\r\n transform-origin: top;\r\n transform: scaleY(1);\r\n opacity: 1;\r\n transition: max-height .22s ease, transform .18s ease, opacity .18s ease;\r\n will-change: max-height, transform, opacity;\r\n}\r\n\r\n.tm-dm-adapt-panel.closed .tm-dm-adapt-panel-body {\r\n max-height: 0;\r\n transform: scaleY(0);\r\n opacity: 0;\r\n}\r\n\r\n/* 控制栏容器：强制竖向 + 占满宽度，避免被父级 flex 横排影响 */\r\n.tm-dm-adapt-controls {\r\n width: 100%;\r\n box-sizing: border-box;\r\n flex: 0 0 100%;\r\n display: flex;\r\n flex-direction: column;\r\n gap: 10px;\r\n padding: 10px 0 6px 10px;\r\n}\r\n\r\n/* 每一行：左文字右开关 */\r\n.tm-dm-adapt-toggle {\r\n width: 100%;\r\n box-sizing: border-box;\r\n display: flex;\r\n align-items: center;\r\n justify-content: space-between;\r\n gap: 12px;\r\n cursor: pointer;\r\n user-select: none;\r\n}\r\n\r\n.tm-dm-adapt-toggle-txt {\r\n font-size: 14px;\r\n line-height: 20px;\r\n color: var(--text2, #61666D);\r\n}\r\n\r\n/* 自画开关（接近B站自动连播） */\r\n.tm-dm-adapt-switch {\r\n width: 30px;\r\n height: 20px;\r\n border-radius: 999px;\r\n background: var(--graph_bg_thick, #E3E5E7);\r\n /* off 灰 */\r\n position: relative;\r\n flex: 0 0 auto;\r\n transition: background .18s ease;\r\n}\r\n\r\n.tm-dm-adapt-switch.on {\r\n background: var(--brand_blue, #00AEEC);\r\n /* on 蓝（B站主蓝） */\r\n}\r\n\r\n.tm-dm-adapt-switch-block {\r\n width: 16px;\r\n height: 16px;\r\n border-radius: 999px;\r\n background: #fff;\r\n position: absolute;\r\n top: 2px;\r\n left: 2px;\r\n transition: transform .18s ease;\r\n box-shadow: 0 1px 4px rgba(0, 0, 0, .18);\r\n /* 小圆点阴影 */\r\n}\r\n\r\n.tm-dm-adapt-switch.on .tm-dm-adapt-switch-block {\r\n transform: translateX(10px);\r\n}\r\n\r\n.tm-dm-adapt-settings {\r\n padding-left: 10px;\r\n display: grid;\r\n grid-template-columns: 1fr;\r\n gap: 6px;\r\n color: var(--text2, #61666D);\r\n font-size: 12px;\r\n}\r\n\r\n.tm-dm-adapt-tip {\r\n color: var(--text3, #9499A0);\r\n font-size: 12px;\r\n line-height: 16px;\r\n}\r\n\r\n\r\n.tm-dm-adapt-like-row {\r\n display: flex;\r\n align-items: center;\r\n gap: 8px;\r\n}\r\n\r\n.tm-dm-adapt-like-row label {\r\n min-width: 84px;\r\n color: var(--text2, #61666D);\r\n}\r\n\r\n.tm-dm-adapt-like-row select,\r\n.tm-dm-adapt-like-row input {\r\n flex: 1 1 auto;\r\n height: 28px;\r\n border-radius: 6px;\r\n border: 1px solid var(--line_regular, rgba(0, 0, 0, .08));\r\n background: var(--bg1, #fff);\r\n padding: 0 8px;\r\n outline: none;\r\n}";
;// ./src/ui.js
// src/ui.js
const LIKE_SVG = `
`;
const SEND_SVG = `
`;
function injectStyles() {
// 避免重复注入
if (document.getElementById("tm-dm-adapt-style")) return;
const style = document.createElement("style");
style.id = "tm-dm-adapt-style";
style.textContent = ui_namespaceObject;
// document-start 可能 head 还没出来，兜底到 documentElement
document.documentElement.appendChild(style);
}
function createUI({ config, saveConfig, rebuildAll, refreshAll, castToInteger }) {
/***********************
* UI 面板：页面开关注入（弹幕列表下方）
***********************/
let uiMounted = false;
let uiPanel = null;
let mergeSwitchBtn = null;
let mergeSettingsWrap = null;
let mergeWindowInput = null;
let likesSwitchBtn = null;
let likesSettingsWrap = null;
let likeScopeSel = null;
let likeMinInput = null;
function setSwitchOn(swEl, on) {
if (!swEl) return;
swEl.classList.toggle("on", !!on);
}
function createSettingsWrap(innerHTML, extraClass) {
const wrap = document.createElement("div");
wrap.className = "tm-dm-adapt-settings" + (extraClass ? ` ${extraClass}` : "");
wrap.innerHTML = innerHTML;
return wrap;
}
function setWrapVisible(wrap, visible) {
if (!wrap) return;
wrap.style.display = visible ? "" : "none";
}
function applyCfgToUi() {
setSwitchOn(mergeSwitchBtn, config.mergeSame);
setSwitchOn(likesSwitchBtn, config.showLikes);
if (mergeWindowInput) mergeWindowInput.value = String(config.mergeWindowSec ?? 0);
if (likeScopeSel) likeScopeSel.value = config.likeScope;
if (likeMinInput) likeMinInput.value = String(config.likeMin);
setWrapVisible(mergeSettingsWrap, config.mergeSame);
setWrapVisible(likesSettingsWrap, config.showLikes);
}
function findDanmakuArea() {
const areas = Array.from(document.querySelectorAll(".bui-area"));
for (const a of areas) {
const header = a.querySelector(".bui-collapse-header");
if (header && /弹幕/.test(header.textContent || "")) return a;
}
return areas.find((a) => a.querySelector(".bui-collapse-wrap")) || null;
}
function setPanelOpen(open) {
if (!uiPanel) return;
uiPanel.classList.toggle("closed", !open);
}
function mountUI() {
if (uiMounted && uiPanel && uiPanel.isConnected) return true;
const area = findDanmakuArea();
if (!area) return false;
const collapse =
area.querySelector(":scope > .bui-collapse-wrap") || area.querySelector(".bui-collapse-wrap");
if (!collapse) return false;
uiMounted = true;
// ====== 外层：可折叠面板 ======
uiPanel = document.createElement("div");
uiPanel.className = "tm-dm-adapt-panel";
const header = document.createElement("div");
header.className = "tm-dm-adapt-panel-header";
header.setAttribute("role", "button");
header.tabIndex = 0;
header.innerHTML = `
弹幕显示设置
`;
const panelBodyWrap = document.createElement("div");
panelBodyWrap.className = "tm-dm-adapt-panel-body";
const panelControls = document.createElement("div");
panelControls.className = "tm-dm-adapt-controls";
function makeToggleRow(label, getOn, setOn) {
const row = document.createElement("div");
row.className = "tm-dm-adapt-toggle";
row.setAttribute("role", "button");
row.tabIndex = 0;
row.innerHTML = `
`;
row.querySelector(".tm-dm-adapt-toggle-txt").textContent = label;
const sw = row.querySelector(".tm-dm-adapt-switch");
const render = () => sw.classList.toggle("on", !!getOn());
const toggle = () => {
setOn(!getOn());
render();
};
row.addEventListener("click", (e) => {
e.preventDefault();
e.stopPropagation();
toggle();
});
row.addEventListener("keydown", (e) => {
if (e.key === "Enter" || e.key === " ") {
e.preventDefault();
toggle();
}
});
render();
return { row, sw, render };
}
// 合并弹幕
const mergeUI = makeToggleRow("合并弹幕", () => config.mergeSame, (v) => {
config.mergeSame = v;
saveConfig();
applyCfgToUi();
rebuildAll("toggle-merge");
});
// 显示点赞数
const likesUI = makeToggleRow("显示点赞数", () => config.showLikes, (v) => {
config.showLikes = v;
saveConfig();
applyCfgToUi();
refreshAll("toggle-likes");
});
// 记录引用，applyCfgToUi 里用
mergeSwitchBtn = mergeUI.sw;
likesSwitchBtn = likesUI.sw;
panelControls.appendChild(mergeUI.row);
// 合并时间阈值（秒，支持小数；0=不限制）
mergeSettingsWrap = createSettingsWrap(`
`, "tm-dm-adapt-merge-settings");
mergeWindowInput = mergeSettingsWrap.querySelector(".tm-dm-adapt-merge-window");
let mergeWinTimer = null;
mergeWindowInput.addEventListener("input", () => {
if (mergeWinTimer) clearTimeout(mergeWinTimer);
mergeWinTimer = setTimeout(() => {
const n = Number(mergeWindowInput.value);
let v = Number.isFinite(n) ? n : 0;
if (v < 0) v = 0;
// 最多保留 3 位小数，避免存储噪声
v = Math.round(v * 1000) / 1000;
config.mergeWindowSec = v;
mergeWindowInput.value = String(config.mergeWindowSec);
saveConfig();
rebuildAll("merge-window changed");
}, 200);
});
panelControls.appendChild(mergeSettingsWrap);
panelControls.appendChild(likesUI.row);
likesSettingsWrap = createSettingsWrap(`
`, "tm-dm-adapt-like-settings");
likeScopeSel = likesSettingsWrap.querySelector(".tm-dm-adapt-like-scope");
likeMinInput = likesSettingsWrap.querySelector(".tm-dm-adapt-like-min");
likeScopeSel.addEventListener("change", () => {
config.likeScope = likeScopeSel.value || "all";
saveConfig();
refreshAll("like-scope");
});
let likeMinTimer = null;
likeMinInput.addEventListener("input", () => {
if (likeMinTimer) clearTimeout(likeMinTimer);
likeMinTimer = setTimeout(() => {
config.likeMin = castToInteger(likeMinInput.value);
likeMinInput.value = String(config.likeMin);
saveConfig();
refreshAll("like-min");
}, 200);
});
panelControls.appendChild(likesSettingsWrap);
// 组装面板
panelBodyWrap.appendChild(panelControls);
uiPanel.appendChild(header);
uiPanel.appendChild(panelBodyWrap);
// ✅插入到弹幕列表下面：放在 bui-collapse-body 后面
const body =
collapse.querySelector(":scope > .bui-collapse-body") ||
collapse.querySelector(".bui-collapse-body");
if (body) body.insertAdjacentElement("afterend", uiPanel);
else collapse.appendChild(uiPanel);
// 面板头点击展开/收起（可持久化）
header.addEventListener("click", () => {
config.panelOpen = !config.panelOpen;
saveConfig();
setPanelOpen(config.panelOpen);
});
header.addEventListener("keydown", (e) => {
if (e.key === "Enter" || e.key === " ") {
e.preventDefault();
config.panelOpen = !config.panelOpen;
saveConfig();
setPanelOpen(config.panelOpen);
}
});
applyCfgToUi();
// 初始展开状态（没配过就默认 true）
if (typeof config.panelOpen !== "boolean") config.panelOpen = true;
setPanelOpen(config.panelOpen);
return true;
}
function bootUI() {
const tryMount = () => mountUI();
if (document.readyState === "loading") {
document.addEventListener("DOMContentLoaded", tryMount, { once: true });
} else {
tryMount();
}
// B站页面经常局部重建：兜底轮询
setInterval(() => {
if (!uiPanel || !uiPanel.isConnected) mountUI();
}, 1500);
}
return { bootUI };
}
;// ./src/index.js
// src/index.js
"use strict";
/**
* =========================
* 0) 小工具：日志 / 配置
* =========================
*/
const console = new Proxy(window.console, {
get(target, prop) {
const original = target[prop];
if (typeof original === "function" && (prop === "log" || prop === "error" || prop === "warn")) {
return (...args) =>
original.call(
target,
"%cDanmaku Adapt",
{
log: "background:#01a1d6;",
warn: "background:#d6a001;",
error: "background:#d63601;",
}[prop] + "color:#fff;padding:2px 6px;border-radius:3px;font-weight:bold;",
...args
);
}
return original;
},
});
const STORAGE_KEY = "tm_dm_adapt_cfg_v1";
const DEFAULT_CFG = {
mergeSame: true, // 合并同文同模式弹幕
mergeWindowSec: 3, // 合并时间阈值（秒；0=不限制）
showLikes: true, // badge 显示点赞
likeScope: "all", // all | high
likeMin: 0, // 仅展示 likesSum > likeMin
panelOpen: true,
};
function loadConfig() {
try {
const raw = localStorage.getItem(STORAGE_KEY);
if (!raw) return { ...DEFAULT_CFG };
return { ...DEFAULT_CFG, ...(JSON.parse(raw) || {}) };
} catch {
return { ...DEFAULT_CFG };
}
}
const config = loadConfig();
function saveConfig() {
try {
localStorage.setItem(STORAGE_KEY, JSON.stringify(config));
} catch { }
}
injectStyles();
/**
* =========================
* 1) Hook：在页面上下文中拦截 render，把 textData 写到 data-*
* 目的：拿到 dmid/oid/mode/text/color/isHighLike/likes/stime
* =========================
*/
function injectToPageContext(fn) {
const s = document.createElement("script");
s.textContent = `(${fn.toString()})();`;
(document.head || document.documentElement).appendChild(s);
s.remove();
}
injectToPageContext(function () {
if (window.__DM_ADAPT_HOOK_INSTALLED__) return;
window.__DM_ADAPT_HOOK_INSTALLED__ = true;
const FINGERPRINT = ["aria-live", "role", "comment", "--fontSize"]; // render源码指纹
const define = Object.defineProperty;
const orig = Object.getOwnPropertyDescriptor(Object.prototype, "render");
function fnStr(fn) {
try { return Function.prototype.toString.call(fn); } catch { return ""; }
}
function looksLikeDanmakuRender(fn) {
if (typeof fn !== "function") return false;
const s = fnStr(fn);
let hit = 0;
for (const k of FINGERPRINT) if (s.includes(k)) hit++;
return hit >= 2;
}
function toHexColor(c) {
try {
if (typeof c === "number" && Number.isFinite(c)) {
const v = (c >>> 0) & 0xffffff;
return "#" + v.toString(16).padStart(6, "0");
}
if (typeof c === "string") {
const s = c.trim();
if (s.startsWith("#") && (s.length === 7 || s.length === 4)) {
if (s.length === 4) return ("#" + s[1] + s[1] + s[2] + s[2] + s[3] + s[3]).toLowerCase();
return s.toLowerCase();
}
if (/^\d+$/.test(s)) {
const n = Number(s);
if (Number.isFinite(n)) return toHexColor(n);
}
}
} catch { }
return null;
}
function wrapRender(fn) {
if (fn.__DM_ADAPT_WRAPPED__) return fn;
const wrapped = function (...args) {
const ret = fn.apply(this, args);
try {
const el = this?.element;
const td = this?.textData;
if (!(el instanceof HTMLElement) || !td) return ret;
const dmid = td.dmid ?? td.id_str;
const oid = td.oid ?? td.cid;
const mode = td.rawMode ?? td.mode;
const stime = td.stime;
const colorHex = toHexColor(td.color);
if (dmid != null) el.dataset.dmid = String(dmid);
if (oid != null) el.dataset.oid = String(oid);
if (mode != null) el.dataset.mode = String(mode);
// 弹幕时间（秒；支持小数）
if (typeof stime === "number" && Number.isFinite(stime)) el.dataset.stime = String(stime);
// 合并文本 key 用 textData.text，比 textContent 稳（emoji / prefix / suffix）
if (td.text != null) el.dataset.dmText = String(td.text);
if (colorHex) el.dataset.color = colorHex;
// 有时 textData 自带 likes
if (typeof td.likes === "number") el.dataset.likes = String(td.likes);
if (typeof td.isHighLike === "boolean") el.dataset.isHighLike = td.isHighLike ? "1" : "0";
} catch { }
return ret;
};
wrapped.__DM_ADAPT_WRAPPED__ = true;
return wrapped;
}
function restore() {
try {
if (orig) define(Object.prototype, "render", orig);
else delete Object.prototype.render;
} catch { }
}
define(Object.prototype, "render", {
configurable: true,
enumerable: false,
get() { return undefined; },
set(v) {
if (looksLikeDanmakuRender(v)) {
define(this, "render", { value: wrapRender(v), writable: true, enumerable: true, configurable: true });
console.log("Danmaku render hooked.");
restore(); // 命中一次就恢复
return;
}
define(this, "render", { value: v, writable: true, enumerable: true, configurable: true });
},
});
});
/**
* =========================
* 2) DOM / 文本 / 颜色 / badge 工具
* =========================
*/
const DM_CONTAINER_SELECTOR = ".bpx-player-row-dm-wrap";
const DM_SELECTOR = ".bili-danmaku-x-dm";
const DM_SHOW_CLASS = "bili-danmaku-x-show";
function isShowing(el) {
return !!(el?.classList?.contains(DM_SHOW_CLASS));
}
function normalizeText(s) {
return String(s || "").replace(/\s+/g, " ").trim();
}
function formatCount(n) {
const num = Number(n) || 0;
if (num >= 1e8) return (num / 1e8).toFixed(1).replace(/\.0$/, "") + "亿";
if (num >= 1e4) return (num / 1e4).toFixed(1).replace(/\.0$/, "") + "万";
return String(num);
}
function parseHexToRgb(hex) {
const m = /^#([0-9a-f]{6})$/i.exec(hex || "");
if (!m) return null;
const v = parseInt(m[1], 16);
return [(v >> 16) & 255, (v >> 8) & 255, v & 255];
}
function rgbToHex(r, g, b) {
const to2 = (x) => Math.max(0, Math.min(255, x | 0)).toString(16).padStart(2, "0");
return `#${to2(r)}${to2(g)}${to2(b)}`;
}
function ensureBadge(el) {
if (getComputedStyle(el).position === "static") el.style.position = "relative";
let b = el.querySelector(".tm-danmaku-badge");
if (!b) {
b = document.createElement("span");
b.className = "tm-danmaku-badge";
el.appendChild(b);
}
return b;
}
function removeBadge(el) {
const b = el?.querySelector?.(".tm-danmaku-badge");
if (b) b.remove();
}
function hideMerged(el) {
el.classList.add("tm-danmaku-merged-hide");
el.dataset.merged = "1";
}
function showMerged(el) {
el.classList.remove("tm-danmaku-merged-hide");
delete el.dataset.merged;
}
function dmType(el) {
if (el.classList.contains("bili-danmaku-x-high") || el.classList.contains("bili-danmaku-x-high-top") || el.dataset.isHighLike === "1") return "high";
if (el.classList.contains("bili-danmaku-x-center")) return "center";
if (el.classList.contains("bili-danmaku-x-roll")) return "roll";
return "other";
}
function shouldShowLikes(el) {
if (!config.showLikes) return false;
if (config.likeScope === "high") return dmType(el) === "high";
return true;
}
function castToInteger(v) {
const n = Number(v);
return Number.isFinite(n) ? Math.trunc(n) : 0;
}
/**
* =========================
* 3) 核心状态：Group / ElementMeta
*
* Group = “可被合并的一组弹幕”
* - mergeSame=true：同 oid + 同 mode + 同文本
* - mergeSame=false：退化成每条一个 group（用 oid+dmid）
*
* - 只允许 stime >= firstStime
* - 且 stime - firstStime <= mergeWindowSec 才能并进该组
* - 超出则新开组（新的 firstStime）
* =========================
*/
let groupMap = new Map(); // groupId -> group
let elMeta = new WeakMap(); // el -> { groupId, memberId, isMaster }
let baseKeyGroups = new Map(); // baseKey -> Set
function getMergeWindowSec() {
const n = Number(config.mergeWindowSec);
return Number.isFinite(n) && n > 0 ? n : 0;
}
function memberIdOf(oid, dmid) {
return `${oid}:${dmid}`;
}
function baseKeyOf(oid, mode, text) {
return `${oid}|${mode}|${text}`;
}
function allocGroupId(baseKey, stime) {
// stime 是 seconds(float)，用尽量稳定的字符串，避免科学计数法
const t = Number.isFinite(stime) ? stime.toFixed(6).replace(/0+$/, "").replace(/\.$/, "") : String(Date.now());
return `${baseKey}|t${t}`;
}
function registerGroupId(baseKey, gid) {
if (!baseKey || !gid) return;
let set = baseKeyGroups.get(baseKey);
if (!set) baseKeyGroups.set(baseKey, (set = new Set()));
set.add(gid);
}
function unregisterGroupId(baseKey, gid) {
if (!baseKey || !gid) return;
const set = baseKeyGroups.get(baseKey);
if (!set) return;
set.delete(gid);
if (set.size === 0) baseKeyGroups.delete(baseKey);
}
function dropGroup(g) {
if (!g || !groupMap.has(g.id)) return;
groupMap.delete(g.id);
if (g.baseKey) unregisterGroupId(g.baseKey, g.id);
}
function chooseGroupId(oid, mode, text, dmid, stime) {
// 不合并：每条一个 group
if (!config.mergeSame) return `${oid}|${dmid}`;
const baseKey = baseKeyOf(oid, mode, text);
const win = getMergeWindowSec();
// 0=不限制 或 拿不到 stime：退化成旧逻辑（同文同模式全并）
if (win <= 0 || !Number.isFinite(stime)) return baseKey;
// ✅ 单向固定窗口：在同 baseKey 的现存组里，找 firstStime 距离最近且在阈值内的组
const set = baseKeyGroups.get(baseKey);
if (set && set.size) {
let bestGid = null;
let bestDiff = Infinity;
// Set 保留插入顺序，转数组后倒序遍历，更容易命中“新建”的组
const arr = Array.from(set);
for (let i = arr.length - 1; i >= 0; i--) {
const gid = arr[i];
const g = groupMap.get(gid);
if (!g || g.members.size === 0) continue;
if (!Number.isFinite(g.firstStime)) continue;
const diff = stime - g.firstStime;
if (diff < 0) continue;
if (diff <= win && diff < bestDiff) {
bestDiff = diff;
bestGid = gid;
if (bestDiff === 0) break;
}
}
if (bestGid) return bestGid;
}
// 新开一个组（该组 firstStime = 当前 stime）
return allocGroupId(baseKey, stime);
}
/**
* =========================
* 4) 点赞请求：按 oid 分桶批量请求 / 回填
* =========================
*/
const likesCache = new Map(); // memberId -> likes
const likesPending = new Map(); // oid -> Set
let likesFlushTimer = null;
let likesInflight = false;
function queueLikes(oid, dmid) {
if (!oid || !dmid) return;
const mid = memberIdOf(oid, dmid);
if (likesCache.has(mid)) return;
let set = likesPending.get(oid);
if (!set) likesPending.set(oid, (set = new Set()));
set.add(String(dmid));
if (!likesFlushTimer) likesFlushTimer = setTimeout(flushLikes, 200);
}
function requestThumbupStats(oid, ids) {
const url =
"https://api.bilibili.com/x/v2/dm/thumbup/stats" +
`?oid=${encodeURIComponent(oid)}` +
`&ids=${encodeURIComponent(ids.join(","))}`;
const headers = {
"User-Agent": navigator.userAgent,
"Referer": "https://www.bilibili.com/",
};
return new Promise((resolve, reject) => {
GM_xmlhttpRequest({
method: "GET",
url,
headers,
responseType: "json",
withCredentials: true,
timeout: 8000,
onload: (res) => {
try {
const json = res.response || JSON.parse(res.responseText);
if (!json || json.code !== 0) return reject(new Error("bad resp"));
resolve(json.data || {});
} catch (e) {
reject(e);
}
},
onerror: reject,
ontimeout: () => reject(new Error("timeout")),
});
});
}
async function flushLikes() {
likesFlushTimer = null;
if (likesInflight || likesPending.size === 0) return;
likesInflight = true;
try {
for (const [oid, set] of likesPending) {
while (set.size) {
const chunk = Array.from(set).slice(0, 50);
chunk.forEach((x) => set.delete(x));
const data = await requestThumbupStats(oid, chunk);
// 回填 cache
for (const [dmid, info] of Object.entries(data || {})) {
const likes = typeof info === "number" ? info : Number(info?.likes ?? 0);
const mid = memberIdOf(oid, dmid);
likesCache.set(mid, likes);
}
// 回填到 group member，并标记 group dirty
for (const g of groupMap.values()) {
let touched = false;
for (const dmid of chunk) {
const mid = memberIdOf(oid, dmid);
const rec = g.members.get(mid);
if (rec && !rec.likesKnown && likesCache.has(mid)) {
rec.likesKnown = true;
rec.likes = likesCache.get(mid);
touched = true;
}
}
if (touched) scheduleGroupUpdate(g);
}
}
if (set.size === 0) likesPending.delete(oid);
}
} catch (e) {
console.warn("flushLikes failed, retry later", String(e));
if (likesPending.size) likesFlushTimer = setTimeout(flushLikes, 1200);
} finally {
likesInflight = false;
}
}
/**
* =========================
* 5) 核心流程：onStart/onUpdate/onEnd + group render（合并 & badge）
* =========================
*/
function cleanupElForReuse(el) {
removeBadge(el);
showMerged(el);
delete el.dataset.dmAdaptProcessed;
}
function scheduleGroupUpdate(g) {
if (g._scheduled) return;
g._scheduled = true;
requestAnimationFrame(() => {
g._scheduled = false;
if (!groupMap.has(g.id)) return;
const master = g.masterEl;
if (!(master instanceof HTMLElement) || !master.isConnected) {
// master 不在了：尽量从仍在显示的成员里挑一个顶上
g.masterEl = null;
for (const el of g.memberEls.values()) {
if (!(el instanceof HTMLElement)) continue;
if (!el.isConnected) continue;
if (!isShowing(el)) continue;
g.masterEl = el;
break;
}
if (!g.masterEl) {
dropGroup(g);
return;
}
}
// 重新聚合（count/likes/颜色）
let count = 0;
let likesSum = 0;
let pending = 0;
let rSum = 0, gSum = 0, bSum = 0, colorCount = 0;
for (const rec of g.members.values()) {
count++;
if (rec.likesKnown) likesSum += rec.likes;
else pending++;
if (rec.rgb) {
rSum += rec.rgb[0];
gSum += rec.rgb[1];
bSum += rec.rgb[2];
colorCount++;
}
}
g.count = count;
g.likesSum = likesSum;
g.pending = pending;
g.colorCount = colorCount;
g.rSum = rSum;
g.gSum = gSum;
g.bSum = bSum;
// master 的 DOM 更新
const el = g.masterEl;
if (!(el instanceof HTMLElement) || !el.isConnected) return;
// master 永远保持可见
showMerged(el);
// 合并模式下：颜色平均混合
if (config.mergeSame && colorCount > 0) {
const r = Math.round(rSum / colorCount);
const gg = Math.round(gSum / colorCount);
const b = Math.round(bSum / colorCount);
el.style.setProperty("--color", rgbToHex(r, gg, b));
}
// badge：likes + count
const threshold = castToInteger(config.likeMin);
let likePart = "";
if (shouldShowLikes(el)) {
const likeText = pending > 0 ? (likesSum > 0 ? `${formatCount(likesSum)}+` : "…") : `${formatCount(likesSum)}`;
const pass = pending > 0 ? (threshold <= 0 || likesSum > threshold) : (likesSum > threshold);
if (pass) likePart = `${LIKE_SVG}${likeText}`;
}
const sendPart = (config.mergeSame && count > 1) ? `${SEND_SVG}${count}` : "";
if (!likePart && !sendPart) {
removeBadge(el);
} else {
const badge = ensureBadge(el);
badge.innerHTML = `${sendPart}${likePart}`;
}
});
}
function onDanmakuStart(el) {
if (!(el instanceof HTMLElement)) return;
if (!el.classList.contains("bili-danmaku-x-dm")) return;
if (!isShowing(el)) return; // ✅ 只处理 show 状态，避免对象池旧值
const oid = el.dataset.oid;
const dmid = el.dataset.dmid;
const mode = el.dataset.mode;
const stimeRaw = Number(el.dataset.stime);
const stime = Number.isFinite(stimeRaw) ? stimeRaw : NaN;
if (!oid || !dmid) return;
if (config.mergeSame && mode == null) return;
const mid = memberIdOf(oid, dmid);
// DOM 复用：同一个 el 之前绑定过别的 member -> 先结束旧的
const prev = elMeta.get(el);
if (prev && prev.memberId !== mid) {
onDanmakuEnd(el, "reuse");
}
// 幂等：同一 member 只处理一次（避免属性震荡反复进组）
if (el.dataset.dmAdaptProcessed === mid) return;
el.dataset.dmAdaptProcessed = mid;
const text = normalizeText(el.dataset.dmText ?? el.textContent ?? "");
if (!text) return;
const gid = chooseGroupId(oid, mode, text, dmid, stime);
const baseKey = config.mergeSame ? baseKeyOf(oid, mode, text) : null;
const win = getMergeWindowSec();
// 建/取 group
let g = groupMap.get(gid);
if (!g) {
g = {
id: gid,
baseKey,
oid: String(oid),
mode: mode == null ? null : String(mode),
text,
firstStime: Number.isFinite(stime) ? stime : NaN,
masterEl: null,
members: new Map(), // mid -> { likesKnown, likes, rgb, stime }
memberEls: new Map(), // mid -> el（便于迁移 master & 清理）
count: 0,
likesSum: 0,
pending: 0,
colorCount: 0,
rSum: 0, gSum: 0, bSum: 0,
_scheduled: false,
lastSeen: Date.now(),
};
groupMap.set(gid, g);
}
// 仅在“合并时间阈值”开启且 gid != baseKey 时登记（允许同 baseKey 多组并存）
if (config.mergeSame && win > 0 && gid !== baseKey) registerGroupId(baseKey, gid);
g.lastSeen = Date.now();
// 注册 member 记录
if (!g.members.has(mid)) {
const rec = { likesKnown: false, likes: 0, rgb: null, stime };
const rgb = parseHexToRgb(el.dataset.color);
if (rgb) rec.rgb = rgb;
if (el.dataset.likes != null && el.dataset.likes !== "") {
rec.likesKnown = true;
rec.likes = Number(el.dataset.likes) || 0;
} else if (likesCache.has(mid)) {
rec.likesKnown = true;
rec.likes = likesCache.get(mid);
} else {
queueLikes(oid, dmid);
}
g.members.set(mid, rec);
}
// 记录 member -> el
g.memberEls.set(mid, el);
// 选 master：优先第一个出现/当前 master
let isMaster = false;
if (!g.masterEl || g.masterEl === el || !g.masterEl.isConnected) {
g.masterEl = el;
isMaster = true;
}
// 合并：隐藏非 master
if (config.mergeSame && !isMaster) hideMerged(el);
else showMerged(el);
elMeta.set(el, { groupId: gid, memberId: mid, isMaster });
// 更新（合并渲染 + badge）
scheduleGroupUpdate(g);
}
function onDanmakuEnd(el, reason) {
if (!(el instanceof HTMLElement)) return;
const meta = elMeta.get(el);
if (!meta) {
cleanupElForReuse(el);
return;
}
const g = groupMap.get(meta.groupId);
elMeta.delete(el);
// 清理这个 el 的 UI/标记，避免 DOM 复用残留
cleanupElForReuse(el);
if (!g) return;
// 从组里移除 member
g.members.delete(meta.memberId);
g.memberEls.delete(meta.memberId);
// 组空了：删组
if (g.members.size === 0) {
dropGroup(g);
return;
}
// 如果结束的是 master：把 master 迁移到仍在显示的成员
if (meta.isMaster && g.masterEl === el) {
g.masterEl = null;
}
g.lastSeen = Date.now();
scheduleGroupUpdate(g);
if (reason) void reason; // 预留
}
function startShowingDanmaku(els) {
//先按发送时间排序在处理
const arr = Array.from(els || []);
arr.sort((a, b) => {
const sa = Number(a?.dataset?.stime);
const sb = Number(b?.dataset?.stime);
const na = Number.isFinite(sa) ? sa : Number.POSITIVE_INFINITY;
const nb = Number.isFinite(sb) ? sb : Number.POSITIVE_INFINITY;
return na - nb;
});
for (const el of arr) onDanmakuStart(el);
}
/**
* =========================
* 6) Observer：以 show class 的“出现/消失”作为生命周期
* =========================
*/
function collectDanmakuEls(node) {
const out = [];
if (!(node instanceof HTMLElement)) return out;
if (node.matches?.(DM_SELECTOR)) out.push(node);
node.querySelectorAll?.(DM_SELECTOR)?.forEach((el) => out.push(el));
return out;
}
function startObserverOn(container) {
if (!container || container.__dmAdaptObserverInstalled) return false;
container.__dmAdaptObserverInstalled = true;
const obs = new MutationObserver((records) => {
const startSet = new Set(); //收集所有需要start/update的弹幕元素
for (const m of records) {
if (m.type === "childList") {
// 新增：只要是 show，就处理
for (const n of m.addedNodes) {
for (const el of collectDanmakuEls(n)) startSet.add(el);
}
// 移除：真 remove 也算结束（少数情况）
for (const n of m.removedNodes) {
for (const el of collectDanmakuEls(n)) onDanmakuEnd(el, "removed");
}
continue;
}
if (m.type === "attributes") {
const el = m.target;
if (!(el instanceof HTMLElement)) continue;
if (!el.classList.contains("bili-danmaku-x-dm")) continue;
// ✅ 关键：class 变化判断 show 的出现/消失
if (m.attributeName === "class") {
const oldCls = String(m.oldValue || "");
const oldHadShow = oldCls.split(/\s+/).includes(DM_SHOW_CLASS);
const nowHasShow = isShowing(el);
if (oldHadShow && !nowHasShow) {
onDanmakuEnd(el, "hide");
continue;
}
if (!oldHadShow && nowHasShow) {
// 新开始
startSet.add(el);
continue;
}
// show 中的其它 class 抖动：当作 update
if (nowHasShow) startSet.add(el);
continue;
}
// data-* 变化：只在 show 时更新（避免对象池旧值干扰）
if (isShowing(el)) startSet.add(el);
}
}
startShowingDanmaku(startSet);
});
obs.observe(container, {
subtree: true,
childList: true,
attributes: true,
attributeOldValue: true,
attributeFilter: [
"class",
"data-dmid",
"data-oid",
"data-mode",
"data-stime",
"data-likes",
"data-dm-text",
"data-color",
"data-is-high-like",
],
});
// 初次：只扫 show 的（避免对象池内的旧弹幕）
startShowingDanmaku(container.querySelectorAll?.(`${DM_SELECTOR}.${DM_SHOW_CLASS}`));
return true;
}
function bootObserver() {
const container = document.querySelector(DM_CONTAINER_SELECTOR);
if (container) return startObserverOn(container);
// 容器可能晚出现/被重建：轮询 + body 兜底
const timer = setInterval(() => {
const c = document.querySelector(DM_CONTAINER_SELECTOR);
if (c && startObserverOn(c)) clearInterval(timer);
}, 300);
const bodyObs = new MutationObserver(() => {
const c = document.querySelector(DM_CONTAINER_SELECTOR);
if (c) startObserverOn(c);
});
const startBody = () => bodyObs.observe(document.body, { childList: true, subtree: true });
if (document.readyState === "loading") document.addEventListener("DOMContentLoaded", startBody, { once: true });
else startBody();
return false;
}
bootObserver();
/**
* =========================
* 7) 配置变化：刷新/重建（给 UI 用）
* =========================
*/
function refreshAll(reason) {
for (const g of groupMap.values()) scheduleGroupUpdate(g);
console.log("refresh", reason);
}
function rebuildAll(reason) {
const container = document.querySelector(DM_CONTAINER_SELECTOR);
// 先清理 DOM 残留
container?.querySelectorAll?.(DM_SELECTOR)?.forEach((el) => {
cleanupElForReuse(el);
});
// 清空状态
groupMap = new Map();
elMeta = new WeakMap();
baseKeyGroups = new Map();
// 只重扫 show
startShowingDanmaku(container.querySelectorAll?.(`${DM_SELECTOR}.${DM_SHOW_CLASS}`));
console.log("rebuild", reason);
}
/**
* =========================
* 8) 防内存增长：长期不活跃 group 清理
* =========================
setInterval(() => {
const now = Date.now();
for (const [gid, g] of groupMap) {
if (now - (g.lastSeen || 0) > 60_000) dropGroup(g);
}
}, 10_000);
*/
/**
* =========================
* 9) UI
* =========================
*/
const { bootUI } = createUI({
config,
saveConfig,
rebuildAll,
refreshAll,
castToInteger,
});
bootUI();
// === debug expose ===
const debugAPI = {
get groupMap() { return groupMap; },
get elMeta() { return elMeta; },
get baseKeyGroups() { return baseKeyGroups; },
// 辅助：把 WeakMap 里某个元素的 meta 取出来
metaOf(el) { return elMeta.get(el); },
// 辅助：按 baseKey 看有哪些 gid
gidsOfBaseKey(baseKey) { return baseKeyGroups.get(baseKey); },
// 辅助：按 gid 取 group
groupOf(gid) { return groupMap.get(gid); },
};
try {
// eslint-disable-next-line no-undef
unsafeWindow.__DM_ADAPT__ = debugAPI;
} catch {
window.__DM_ADAPT__ = debugAPI;
}
/******/ })()
;