diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..0d7f3f2 --- /dev/null +++ b/.gitignore @@ -0,0 +1,8 @@ +data/ +*.db +*.db-shm +*.db-wal +.env +node_modules/ +npm-debug.log* +.DS_Store diff --git a/README.md b/README.md index d82f603..23de5a4 100644 --- a/README.md +++ b/README.md @@ -1 +1,170 @@ -# Watch-System \ No newline at end of file +# AI 模型监控系统 (Watch-System) + +> 实时监控开源 AI/ML 模型调用状态的可视化仪表板 + +![AI 模型监控系统仪表板](https://github.com/user-attachments/assets/1ba8e290-5d92-4eeb-b949-62a6374e10ce) + +--- + +## 📋 项目概述 + +Watch-System 是一套针对开源 AI/ML 模型（如 LLaMA2、Mistral、CodeLlama、Phi-2、Gemma、Qwen、DeepSeek 等）的**实时监控平台**。系统通过模拟真实 API 调用，持续采集请求量、响应时间、Token 用量、错误率等核心指标，并以美观的 Grafana 风格仪表板实时展示。 + +--- + +## 🏗️ 系统架构 + +``` +┌─────────────────────────────────────────────────┐ +│ 浏览器 (前端) │ +│ ┌───────────────────────────────────────────┐ │ +│ │ index.html (Chart.js + Socket.IO Client) │ │ +│ │ - 实时图表 - 模型卡片 - 告警面板 │ │ +│ └──────────────────┬────────────────────────┘ │ +└─────────────────────┼───────────────────────────┘ + │ WebSocket / HTTP +┌─────────────────────▼───────────────────────────┐ +│ Node.js 后端 (:3001) │ +│ ┌──────────┐ ┌──────────┐ ┌───────────────┐ │ +│ │ Express │ │Socket.IO │ │ REST API │ │ +│ │ Server │ │ Server │ │ /api/* │ │ +│ └────┬─────┘ └────┬─────┘ └──────┬────────┘ │ +│ │ │ │ │ +│ ┌────▼──────────────▼───────────────▼────────┐ │ +│ │ Services Layer │ │ +│ │ ┌─────────────┐ ┌──────────────────┐ │ │ +│ │ │ Simulator │ │ AlertManager │ │ │ +│ │ │ (模型模拟器) │ │ (告警管理器) │ │ │ +│ │ └──────┬──────┘ └────────┬─────────┘ │ │ +│ └─────────┼───────────────────┼─────────────┘ │ +│ │ │ │ +│ ┌─────────▼───────────────────▼─────────────┐ │ +│ │ SQLite Database (better-sqlite3) │ │ +│ │ requests 表 | models 表 │ │ +│ └────────────────────────────────────────────┘ │ +└─────────────────────────────────────────────────┘ +``` + +--- + +## ✨ 功能特性 + +| 功能 | 说明 | +|------|------| +| 🔴 实时监控 | 通过 Socket.IO WebSocket 推送，毫秒级延迟更新 | +| 📊 多维图表 | 请求量趋势折线图、请求分布饼图、响应时间柱状图 | +| 🤖 多模型支持 | 同时监控 8 个主流开源模型 | +| 🚨 智能告警 | 错误率超阈值、响应过慢、流量突刺自动告警 | +| 📝 请求日志 | 滚动显示最新 20 条请求详情 | +| 🌙 暗色主题 | Grafana/DataDog 风格深色仪表板 | +| 🐳 Docker 部署 | 一键 docker-compose up 启动 | +| 💾 持久化存储 | SQLite 本地存储历史数据 | + +--- + +## 🚀 快速启动 + +### 方式一：本地运行 + +```bash +# 1. 安装后端依赖 +cd backend +npm install + +# 2. 生产模式启动（同时提供前端服务） +NODE_ENV=production npm start +# 浏览器访问: http://localhost:3001 + +# 或开发模式（仅 API，前端直接打开 frontend/index.html） +npm run dev +``` + +### 方式二：Docker Compose + +```bash +docker-compose up --build +# 前端访问: http://localhost:3000 +# 后端 API: http://localhost:3001 +``` + +### 环境变量 + +| 变量 | 默认值 | 说明 | +|------|--------|------| +| PORT | 3001 | 后端监听端口 | +| NODE_ENV | development | 运行环境（production 时同时提供前端静态文件） | +| DB_PATH | ./data/watch.db | SQLite 数据库路径 | +| FRONTEND_ORIGIN | localhost:3000,3001 | 开发模式允许的 CORS 来源（逗号分隔） | + +--- + +## 📁 项目结构 + +``` +Watch-System/ +├── README.md +├── docker-compose.yml +├── docs/ +│ └── project-plan.md +├── frontend/ +│ ├── index.html +│ └── lib/ # 本地 JS 库（无需 CDN） +│ ├── chart.umd.min.js +│ └── socket.io.min.js +└── backend/ + ├── Dockerfile + ├── package.json + └── src/ + ├── server.js + ├── database.js + ├── routes/ + │ └── api.js + └── services/ + ├── simulator.js + └── alertManager.js +``` + +--- + +## 📡 API 接口 + +| 方法 | 路径 | 说明 | +|------|------|------| +| GET | /api/models | 获取所有模型及实时状态 | +| GET | /api/metrics | 获取系统总体指标 | +| GET | /api/metrics/:model | 获取指定模型详细指标 | +| GET | /api/history/:model | 获取模型最近请求历史 | +| GET | /api/alerts | 获取当前活跃告警 | +| POST | /api/simulate | 手动触发一次模拟请求 | + +--- + +## 🔌 Socket.IO 事件 + +| 事件 | 方向 | 说明 | +|------|------|------| +| request_completed | 服务端→客户端 | 单次请求完成 | +| metrics_update | 服务端→客户端 | 全量指标推送（每5秒） | +| alert_created | 服务端→客户端 | 新告警产生 | +| alert_resolved | 服务端→客户端 | 告警已解除 | + +--- + +## 🤖 监控模型列表 + +| 模型 | 特征 | 响应时间 | +|------|------|----------| +| llama2-7b | 通用对话 | 800-2000ms | +| llama2-13b | 大参数通用 | 1500-4000ms | +| mistral-7b | 快速推理 | 400-1200ms | +| codellama-7b | 代码生成 | 600-1800ms | +| phi-2 | 轻量快速 | 300-900ms | +| gemma-7b | Google 开源 | 500-1500ms | +| qwen-7b | 多语言 | 400-1100ms | +| deepseek-7b | 深度推理 | 600-1600ms | + +--- + +## 📄 许可证 + +MIT License diff --git a/backend/.gitignore b/backend/.gitignore new file mode 100644 index 0000000..fc4225b --- /dev/null +++ b/backend/.gitignore @@ -0,0 +1,4 @@ +node_modules/ +data/ +*.db +.env diff --git a/backend/Dockerfile b/backend/Dockerfile new file mode 100644 index 0000000..09bf607 --- /dev/null +++ b/backend/Dockerfile @@ -0,0 +1,7 @@ +FROM node:18-alpine +WORKDIR /app +COPY package*.json ./ +RUN npm install --omit=dev +COPY . . +EXPOSE 3001 +CMD ["node", "src/server.js"] diff --git a/backend/package-lock.json b/backend/package-lock.json new file mode 100644 index 0000000..b907922 --- /dev/null +++ b/backend/package-lock.json @@ -0,0 +1,1905 @@ +{ + "name": "watch-system-backend", + "version": "1.0.0", + "lockfileVersion": 3, + "requires": true, + "packages": { + "": { + "name": 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for Watch-System - AI Model Monitoring", + "main": "src/server.js", + "scripts": { + "start": "node src/server.js", + "dev": "nodemon src/server.js" + }, + "dependencies": { + "better-sqlite3": "^12.9.0", + "cors": "^2.8.6", + "dotenv": "^16.6.1", + "express": "^4.22.1", + "socket.io": "^4.8.3", + "uuid": "^9.0.1" + }, + "devDependencies": { + "nodemon": "^3.1.14" + } +} diff --git a/backend/src/database.js b/backend/src/database.js new file mode 100644 index 0000000..a486a19 --- /dev/null +++ b/backend/src/database.js @@ -0,0 +1,206 @@ +'use strict'; + +const Database = require('better-sqlite3'); +const path = require('path'); +const fs = require('fs'); + +const DB_PATH = process.env.DB_PATH || path.join(__dirname, '../../data/watch.db'); + +// Ensure data directory exists +fs.mkdirSync(path.dirname(DB_PATH), { recursive: true }); + +const db = new Database(DB_PATH); + +// Enable WAL mode for better concurrent read performance +db.pragma('journal_mode = WAL'); +db.pragma('synchronous = NORMAL'); + +// Create tables +db.exec(` + CREATE TABLE IF NOT EXISTS models ( + name TEXT PRIMARY KEY, + display_name TEXT NOT NULL, + description TEXT, + category TEXT + ); + + CREATE TABLE IF NOT EXISTS requests ( + id INTEGER PRIMARY KEY AUTOINCREMENT, + model_name TEXT NOT NULL, + timestamp INTEGER NOT NULL, + response_time_ms INTEGER, + tokens_input INTEGER, + tokens_output INTEGER, + status TEXT NOT NULL DEFAULT 'success', + error_message TEXT, + FOREIGN KEY (model_name) REFERENCES models(name) + ); + + CREATE INDEX IF NOT EXISTS idx_requests_model_ts ON requests(model_name, timestamp); + CREATE INDEX IF NOT EXISTS idx_requests_ts ON requests(timestamp); +`); + +// Seed model definitions +const seedModels = db.prepare(` + INSERT OR IGNORE INTO models (name, display_name, description, category) + VALUES (?, ?, ?, ?) +`); + +const modelSeeds = [ + ['llama2-7b', 'LLaMA2 7B', 'Meta 通用对话模型，7B 参数', 'chat'], + ['llama2-13b', 'LLaMA2 13B', 'Meta 通用对话模型，13B 参数', 'chat'], + ['mistral-7b', 'Mistral 7B', 'Mistral AI 快速推理模型', 'chat'], + ['codellama-7b', 'CodeLlama 7B', 'Meta 代码生成专用模型', 'code'], + ['phi-2', 'Phi-2', 'Microsoft 轻量高效小模型', 'chat'], + ['gemma-7b', 'Gemma 7B', 'Google DeepMind 开源模型', 'chat'], + ['qwen-7b', 'Qwen 7B', '阿里云通义千问多语言模型', 'multilingual'], + ['deepseek-7b', 'DeepSeek 7B', 'DeepSeek 深度推理模型', 'chat'], +]; + +const seedTx = db.transaction(() => { + for (const seed of modelSeeds) seedModels.run(...seed); +}); +seedTx(); + +// ─── Prepared Statements ───────────────────────────────────────────────────── + +const stmtInsertRequest = db.prepare(` + INSERT INTO requests (model_name, timestamp, response_time_ms, tokens_input, tokens_output, status, error_message) + VALUES (@model_name, @timestamp, @response_time_ms, @tokens_input, @tokens_output, @status, @error_message) +`); + +const stmtGetAllModels = db.prepare(`SELECT * FROM models ORDER BY name`); + +const stmtGetModelStats = db.prepare(` + SELECT + model_name, + COUNT(*) AS total_requests, + AVG(response_time_ms) AS avg_response_time, + SUM(CASE WHEN status = 'error' THEN 1 ELSE 0 END) AS error_count, + SUM(tokens_input) AS total_tokens_in, + SUM(tokens_output) AS total_tokens_out + FROM requests + WHERE model_name = @model_name + AND timestamp >= @since +`); + +const stmtGetRecentRequests = db.prepare(` + SELECT id, model_name, timestamp, response_time_ms, tokens_input, tokens_output, status, error_message + FROM requests + WHERE model_name = @model_name + ORDER BY timestamp DESC + LIMIT @limit +`); + +const stmtGetGlobalStats = db.prepare(` + SELECT + COUNT(*) AS total_requests, + AVG(response_time_ms) AS avg_response_time, + SUM(CASE WHEN status = 'error' THEN 1 ELSE 0 END) AS error_count, + SUM(tokens_input) AS total_tokens_in, + SUM(tokens_output) AS total_tokens_out + FROM requests + WHERE timestamp >= @since +`); + +const stmtGetPercentile = db.prepare(` + SELECT response_time_ms + FROM requests + WHERE model_name = @model_name + AND timestamp >= @since + AND status = 'success' + ORDER BY response_time_ms +`); + +const stmtGetRequestsPerMinute = db.prepare(` + SELECT + (timestamp / 60000) * 60000 AS minute_bucket, + COUNT(*) AS count + FROM requests + WHERE model_name = @model_name + AND timestamp >= @since + GROUP BY minute_bucket + ORDER BY minute_bucket ASC +`); + +const stmtGetAllModelStatsRange = db.prepare(` + SELECT + model_name, + COUNT(*) AS total_requests, + AVG(response_time_ms) AS avg_response_time, + SUM(CASE WHEN status = 'error' THEN 1 ELSE 0 END) AS error_count, + SUM(tokens_input) AS total_tokens_in, + SUM(tokens_output) AS total_tokens_out + FROM requests + WHERE timestamp >= @since + GROUP BY model_name +`); + +// ─── Helper Functions ───────────────────────────────────────────────────────── + +function insertRequest(data) { + return stmtInsertRequest.run({ + model_name: data.model_name, + timestamp: data.timestamp || Date.now(), + response_time_ms: data.response_time_ms, + tokens_input: data.tokens_input, + tokens_output: data.tokens_output, + status: data.status || 'success', + error_message: data.error_message || null, + }); +} + +function getAllModels() { + return stmtGetAllModels.all(); +} + +function getModelStats(modelName, windowMs = 60 * 1000) { + const since = Date.now() - windowMs; + return stmtGetModelStats.get({ model_name: modelName, since }); +} + +function getRecentRequests(modelName, limit = 100) { + return stmtGetRecentRequests.all({ model_name: modelName, limit }); +} + +function getAggregatedMetrics(windowMs = 60 * 1000) { + const since = Date.now() - windowMs; + const global = stmtGetGlobalStats.get({ since }); + const perModel = stmtGetAllModelStatsRange.all({ since }); + return { global, perModel }; +} + +function getPerModelDetailedStats(modelName, windowMs = 60 * 1000) { + const since = Date.now() - windowMs; + const stats = stmtGetModelStats.get({ model_name: modelName, since }); + if (!stats || stats.total_requests === 0) return stats; + + // Calculate P95 latency + const rows = stmtGetPercentile.all({ model_name: modelName, since }); + let p95 = null; + if (rows.length > 0) { + const idx = Math.ceil(rows.length * 0.95) - 1; + p95 = rows[Math.min(idx, rows.length - 1)].response_time_ms; + } + + const rpmRows = stmtGetRequestsPerMinute.all({ model_name: modelName, since: Date.now() - 10 * 60 * 1000 }); + + return { + ...stats, + p95_response_time: p95, + error_rate: stats.total_requests > 0 ? (stats.error_count / stats.total_requests) * 100 : 0, + requests_per_minute: stats.total_requests / (windowMs / 60000), + tokens_per_minute: (stats.total_tokens_in + stats.total_tokens_out) / (windowMs / 60000), + rpm_history: rpmRows, + }; +} + +module.exports = { + db, + insertRequest, + getAllModels, + getModelStats, + getRecentRequests, + getAggregatedMetrics, + getPerModelDetailedStats, +}; diff --git a/backend/src/routes/api.js b/backend/src/routes/api.js new file mode 100644 index 0000000..a6f94f7 --- /dev/null +++ b/backend/src/routes/api.js @@ -0,0 +1,143 @@ +'use strict'; + +const express = require('express'); +const router = express.Router(); + +const { + getAllModels, + getModelStats, + getRecentRequests, + getAggregatedMetrics, + getPerModelDetailedStats, + insertRequest, +} = require('../database'); + +const alertManager = require('../services/alertManager'); +const simulator = require('../services/simulator'); + +// GET /api/models +router.get('/models', (req, res) => { + const models = getAllModels(); + const profiles = simulator.getModelProfiles(); + const windowMs = 60 * 1000; + + const result = models.map(m => { + const stats = getModelStats(m.name, windowMs) || {}; + const totalReq = stats.total_requests || 0; + const errCount = stats.error_count || 0; + const avgResp = stats.avg_response_time || 0; + + const profile = profiles[m.name] || {}; + let health = 'healthy'; + if (totalReq > 0) { + const errorRate = errCount / totalReq; + if (errorRate > 0.1 || avgResp > 3000) health = 'degraded'; + if (errorRate > 0.2) health = 'unhealthy'; + } + + return { + ...m, + emoji: profile.emoji || '🤖', + stats: { + total_requests: totalReq, + error_count: errCount, + avg_response_time: Math.round(avgResp), + error_rate: totalReq > 0 ? +((errCount / totalReq) * 100).toFixed(2) : 0, + requests_per_min: +(totalReq / (windowMs / 60000)).toFixed(2), + total_tokens_in: stats.total_tokens_in || 0, + total_tokens_out: stats.total_tokens_out || 0, + }, + health, + }; + }); + + res.json({ models: result, timestamp: Date.now() }); +}); + +// GET /api/metrics +router.get('/metrics', (req, res) => { + const windowMs = parseInt(req.query.window, 10) || 60 * 1000; + const { global: g, perModel } = getAggregatedMetrics(windowMs); + + const totalReq = g.total_requests || 0; + const errCount = g.error_count || 0; + + res.json({ + total_requests: totalReq, + avg_response_time: g.avg_response_time ? Math.round(g.avg_response_time) : 0, + error_rate: totalReq > 0 ? +((errCount / totalReq) * 100).toFixed(2) : 0, + total_tokens_in: g.total_tokens_in || 0, + total_tokens_out: g.total_tokens_out || 0, + active_models: perModel.filter(m => m.total_requests > 0).length, + window_ms: windowMs, + timestamp: Date.now(), + }); +}); + +// GET /api/metrics/:modelName +router.get('/metrics/:modelName', (req, res) => { + const { modelName } = req.params; + const windowMs = parseInt(req.query.window, 10) || 60 * 1000; + const stats = getPerModelDetailedStats(modelName, windowMs); + + if (!stats) { + return res.status(404).json({ error: `Model '${modelName}' not found` }); + } + + res.json({ + model_name: modelName, + total_requests: stats.total_requests || 0, + avg_response_time: stats.avg_response_time ? Math.round(stats.avg_response_time) : 0, + p95_response_time: stats.p95_response_time || 0, + error_rate: +(stats.error_rate || 0).toFixed(2), + requests_per_min: +(stats.requests_per_minute || 0).toFixed(2), + tokens_per_min: +(stats.tokens_per_minute || 0).toFixed(2), + total_tokens_in: stats.total_tokens_in || 0, + total_tokens_out: stats.total_tokens_out || 0, + rpm_history: stats.rpm_history || [], + window_ms: windowMs, + timestamp: Date.now(), + }); +}); + +// GET /api/history/:modelName +router.get('/history/:modelName', (req, res) => { + const { modelName } = req.params; + const limit = Math.min(parseInt(req.query.limit, 10) || 100, 500); + const rows = getRecentRequests(modelName, limit); + res.json({ model_name: modelName, requests: rows, count: rows.length }); +}); + +// GET /api/alerts +router.get('/alerts', (req, res) => { + res.json({ alerts: alertManager.getActiveAlerts(), timestamp: Date.now() }); +}); + +// POST /api/simulate { model?: string } +router.post('/simulate', (req, res) => { + const profiles = simulator.getModelProfiles(); + const names = Object.keys(profiles); + const modelName = req.body.model && profiles[req.body.model] + ? req.body.model + : names[Math.floor(Math.random() * names.length)]; + + const profile = profiles[modelName]; + const isError = Math.random() < profile.errorRate; + + function randInt(a, b) { return Math.floor(Math.random() * (b - a + 1)) + a; } + + const record = { + model_name: modelName, + timestamp: Date.now(), + response_time_ms: isError ? randInt(50, 300) : randInt(profile.minResponseMs, profile.maxResponseMs), + tokens_input: isError ? 0 : randInt(profile.minTokensIn, profile.maxTokensIn), + tokens_output: isError ? 0 : randInt(profile.minTokensOut, profile.maxTokensOut), + status: isError ? 'error' : 'success', + error_message: isError ? 'Manual simulation error' : null, + }; + + insertRequest(record); + res.json({ message: 'Simulation triggered', record }); +}); + +module.exports = router; diff --git a/backend/src/server.js b/backend/src/server.js new file mode 100644 index 0000000..e5cdb0f --- /dev/null +++ b/backend/src/server.js @@ -0,0 +1,155 @@ +'use strict'; + +require('dotenv').config(); + +const express = require('express'); +const http = require('http'); +const { Server } = require('socket.io'); +const cors = require('cors'); +const path = require('path'); + +const apiRouter = require('./routes/api'); +const simulator = require('./services/simulator'); +const alertManager = require('./services/alertManager'); +const { getAggregatedMetrics, getAllModels, getModelStats } = require('./database'); + +const PORT = process.env.PORT || 3001; +const isProduction = process.env.NODE_ENV === 'production'; + +// In production the frontend is served from the same origin, so CORS is not needed. +// In development, restrict to localhost only (no wildcard). +const DEV_ORIGINS = process.env.FRONTEND_ORIGIN + ? process.env.FRONTEND_ORIGIN.split(',').map(s => s.trim()) + : [`http://localhost:3000`, `http://localhost:${PORT}`, `http://127.0.0.1:${PORT}`]; + +const corsOptions = { + origin: isProduction ? false : DEV_ORIGINS, + methods: ['GET', 'POST'], +}; + +// ─── App Setup ──────────────────────────────────────────────────────────────── +const app = express(); +const server = http.createServer(app); +const io = new Server(server, { cors: corsOptions }); + +app.use(cors(corsOptions)); +app.use(express.json()); + +// Serve static frontend in production +if (isProduction) { + app.use(express.static(path.join(__dirname, '../../frontend'))); +} + +app.use('/api', apiRouter); + +// Health check +app.get('/health', (_req, res) => res.json({ status: 'ok', uptime: process.uptime() })); + +// ─── Socket.IO ──────────────────────────────────────────────────────────────── +io.on('connection', socket => { + console.log(`[Socket.IO] Client connected: ${socket.id}`); + + // Send current state on connect + try { + const { global: g, perModel } = getAggregatedMetrics(60 * 1000); + const models = getAllModels(); + socket.emit('init', { global: g, perModel, models }); + } catch (err) { + console.error('[Socket.IO] Init error:', err.message); + } + + socket.on('disconnect', () => { + console.log(`[Socket.IO] Client disconnected: ${socket.id}`); + }); +}); + +// Forward simulator events to all connected clients +simulator.on('request_completed', payload => { + io.emit('request_completed', payload); +}); + +// Broadcast full metrics every 5 seconds +setInterval(() => { + try { + const windowMs = 60 * 1000; + const { global: g, perModel } = getAggregatedMetrics(windowMs); + + const profiles = simulator.getModelProfiles(); + const models = getAllModels(); + + const modelMetrics = models.map(m => { + const stats = perModel.find(p => p.model_name === m.name) || {}; + const profile = profiles[m.name] || {}; + const totalReq = stats.total_requests || 0; + const errCount = stats.error_count || 0; + const avgResp = stats.avg_response_time || 0; + + let health = 'healthy'; + if (totalReq > 0) { + const errorRate = errCount / totalReq; + if (errorRate > 0.1 || avgResp > 3000) health = 'degraded'; + if (errorRate > 0.2) health = 'unhealthy'; + } + + return { + name: m.name, + displayName: m.display_name, + emoji: profile.emoji || '🤖', + category: m.category, + health, + stats: { + total_requests: totalReq, + error_count: errCount, + avg_response_time: Math.round(avgResp), + error_rate: totalReq > 0 ? +((errCount / totalReq) * 100).toFixed(2) : 0, + requests_per_min: +(totalReq / (windowMs / 60000)).toFixed(2), + total_tokens_in: stats.total_tokens_in || 0, + total_tokens_out: stats.total_tokens_out || 0, + }, + }; + }); + + const totalReq = g.total_requests || 0; + const errCount = g.error_count || 0; + + io.emit('metrics_update', { + global: { + total_requests: totalReq, + avg_response_time: g.avg_response_time ? Math.round(g.avg_response_time) : 0, + error_rate: totalReq > 0 ? +((errCount / totalReq) * 100).toFixed(2) : 0, + total_tokens_in: g.total_tokens_in || 0, + total_tokens_out: g.total_tokens_out || 0, + active_models: modelMetrics.filter(m => m.stats.total_requests > 0).length, + }, + models: modelMetrics, + timestamp: Date.now(), + }); + } catch (err) { + console.error('[Metrics] Broadcast error:', err.message); + } +}, 5000); + +// Forward alert events +alertManager.on('alert_created', alert => io.emit('alert_created', alert)); +alertManager.on('alert_resolved', alert => io.emit('alert_resolved', alert)); + +// ─── Start ──────────────────────────────────────────────────────────────────── +server.listen(PORT, () => { + console.log(`[Server] Watch-System backend running on http://localhost:${PORT}`); + console.log(`[Server] Environment: ${process.env.NODE_ENV || 'development'}`); + + simulator.start(); + alertManager.start(); +}); + +// Graceful shutdown +process.on('SIGTERM', () => { + simulator.stop(); + alertManager.stop(); + server.close(() => { + console.log('[Server] Gracefully shut down'); + process.exit(0); + }); +}); + +module.exports = { app, server, io }; diff --git a/backend/src/services/alertManager.js b/backend/src/services/alertManager.js new file mode 100644 index 0000000..99cd5c9 --- /dev/null +++ b/backend/src/services/alertManager.js @@ -0,0 +1,136 @@ +'use strict'; + +const EventEmitter = require('events'); +const { getAggregatedMetrics, getModelStats } = require('../database'); + +const CHECK_INTERVAL_MS = 10000; // Check every 10 seconds +const WINDOW_MS = 60 * 1000; // 1-minute rolling window + +const THRESHOLDS = { + ERROR_RATE_PCT: 10, // > 10% errors → alert + SLOW_RESPONSE_MS: 3000, // > 3000ms avg → alert + SPIKE_MULTIPLIER: 2.5, // > 2.5× baseline requests → alert +}; + +class AlertManager extends EventEmitter { + constructor() { + super(); + this._activeAlerts = new Map(); // key: `${modelName}:${type}` + this._timer = null; + this._running = false; + this._baselineRpm = new Map(); // model → baseline requests/min + } + + _alertKey(modelName, type) { + return `${modelName}:${type}`; + } + + _createAlert(modelName, type, severity, message, value) { + const key = this._alertKey(modelName, type); + if (this._activeAlerts.has(key)) return; // deduplicate + + const alert = { + id: `${key}:${Date.now()}`, + modelName, + type, + severity, + message, + value, + createdAt: Date.now(), + }; + + this._activeAlerts.set(key, alert); + console.log(`[AlertManager] ALERT CREATED: ${message}`); + this.emit('alert_created', alert); + } + + _resolveAlert(modelName, type) { + const key = this._alertKey(modelName, type); + if (!this._activeAlerts.has(key)) return; + + const alert = this._activeAlerts.get(key); + this._activeAlerts.delete(key); + console.log(`[AlertManager] ALERT RESOLVED: ${alert.message}`); + this.emit('alert_resolved', { ...alert, resolvedAt: Date.now() }); + } + + _checkModel(modelName, stats) { + if (!stats || stats.total_requests === 0) return; + + const errorRate = (stats.error_count / stats.total_requests) * 100; + const avgResponse = stats.avg_response_time || 0; + const rpm = stats.total_requests / (WINDOW_MS / 60000); + + // ── Error rate check ────────────────────────────────────── + if (errorRate > THRESHOLDS.ERROR_RATE_PCT) { + this._createAlert( + modelName, 'high_error_rate', 'error', + `${modelName} 错误率过高: ${errorRate.toFixed(1)}%`, + errorRate + ); + } else { + this._resolveAlert(modelName, 'high_error_rate'); + } + + // ── Slow response check ─────────────────────────────────── + if (avgResponse > THRESHOLDS.SLOW_RESPONSE_MS) { + this._createAlert( + modelName, 'slow_response', 'warning', + `${modelName} 响应时间过慢: ${Math.round(avgResponse)}ms`, + avgResponse + ); + } else { + this._resolveAlert(modelName, 'slow_response'); + } + + // ── Traffic spike check ─────────────────────────────────── + const baseline = this._baselineRpm.get(modelName); + if (baseline && rpm > baseline * THRESHOLDS.SPIKE_MULTIPLIER) { + this._createAlert( + modelName, 'traffic_spike', 'warning', + `${modelName} 流量突增: ${rpm.toFixed(1)} req/min (基线: ${baseline.toFixed(1)})`, + rpm + ); + } else { + this._resolveAlert(modelName, 'traffic_spike'); + } + + // Update rolling baseline (exponential moving average) + const alpha = 0.1; + const prev = this._baselineRpm.get(modelName) || rpm; + this._baselineRpm.set(modelName, alpha * rpm + (1 - alpha) * prev); + } + + async _check() { + try { + const { perModel } = getAggregatedMetrics(WINDOW_MS); + for (const stats of perModel) { + this._checkModel(stats.model_name, stats); + } + } catch (err) { + console.error('[AlertManager] Check error:', err.message); + } + } + + start() { + if (this._running) return; + this._running = true; + this._timer = setInterval(() => this._check(), CHECK_INTERVAL_MS); + console.log('[AlertManager] Started'); + } + + stop() { + this._running = false; + if (this._timer) { + clearInterval(this._timer); + this._timer = null; + } + console.log('[AlertManager] Stopped'); + } + + getActiveAlerts() { + return Array.from(this._activeAlerts.values()); + } +} + +module.exports = new AlertManager(); diff --git a/backend/src/services/simulator.js b/backend/src/services/simulator.js new file mode 100644 index 0000000..eb7282d --- /dev/null +++ b/backend/src/services/simulator.js @@ -0,0 +1,176 @@ +'use strict'; + +const EventEmitter = require('events'); +const { insertRequest } = require('../database'); + +// Interval range (ms) between simulated requests. +// Keeps the simulator from running too fast or too slow for demo purposes. +const MIN_REQUEST_DELAY_MS = 200; +const MAX_REQUEST_DELAY_MS = 800; + +// Model personality profiles +const MODEL_PROFILES = { + 'llama2-7b': { + displayName: 'LLaMA2 7B', + minResponseMs: 800, maxResponseMs: 2000, + minTokensIn: 50, maxTokensIn: 512, + minTokensOut: 100, maxTokensOut: 800, + errorRate: 0.03, + emoji: '🦙', + }, + 'llama2-13b': { + displayName: 'LLaMA2 13B', + minResponseMs: 1500, maxResponseMs: 4000, + minTokensIn: 80, maxTokensIn: 600, + minTokensOut: 150, maxTokensOut: 1200, + errorRate: 0.04, + emoji: '🦙', + }, + 'mistral-7b': { + displayName: 'Mistral 7B', + minResponseMs: 400, maxResponseMs: 1200, + minTokensIn: 60, maxTokensIn: 450, + minTokensOut: 80, maxTokensOut: 700, + errorRate: 0.02, + emoji: '🌪️', + }, + 'codellama-7b': { + displayName: 'CodeLlama 7B', + minResponseMs: 600, maxResponseMs: 1800, + minTokensIn: 100, maxTokensIn: 800, + minTokensOut: 200, maxTokensOut: 1500, + errorRate: 0.05, + emoji: '💻', + }, + 'phi-2': { + displayName: 'Phi-2', + minResponseMs: 300, maxResponseMs: 900, + minTokensIn: 30, maxTokensIn: 300, + minTokensOut: 50, maxTokensOut: 500, + errorRate: 0.02, + emoji: '⚡', + }, + 'gemma-7b': { + displayName: 'Gemma 7B', + minResponseMs: 500, maxResponseMs: 1500, + minTokensIn: 60, maxTokensIn: 480, + minTokensOut: 90, maxTokensOut: 750, + errorRate: 0.03, + emoji: '💎', + }, + 'qwen-7b': { + displayName: 'Qwen 7B', + minResponseMs: 400, maxResponseMs: 1100, + minTokensIn: 70, maxTokensIn: 500, + minTokensOut: 100, maxTokensOut: 800, + errorRate: 0.03, + emoji: '🌏', + }, + 'deepseek-7b': { + displayName: 'DeepSeek 7B', + minResponseMs: 600, maxResponseMs: 1600, + minTokensIn: 80, maxTokensIn: 550, + minTokensOut: 120, maxTokensOut: 900, + errorRate: 0.04, + emoji: '🔍', + }, +}; + +const MODEL_NAMES = Object.keys(MODEL_PROFILES); + +function randInt(min, max) { + return Math.floor(Math.random() * (max - min + 1)) + min; +} + +function randFloat(min, max) { + return Math.random() * (max - min) + min; +} + +class Simulator extends EventEmitter { + constructor() { + super(); + this._timer = null; + this._running = false; + } + + _simulateOne() { + const modelName = MODEL_NAMES[Math.floor(Math.random() * MODEL_NAMES.length)]; + const profile = MODEL_PROFILES[modelName]; + + const isError = Math.random() < profile.errorRate; + const responseTime = isError + ? randInt(50, 300) + : randInt(profile.minResponseMs, profile.maxResponseMs); + + const tokensIn = isError ? 0 : randInt(profile.minTokensIn, profile.maxTokensIn); + const tokensOut = isError ? 0 : randInt(profile.minTokensOut, profile.maxTokensOut); + + const errorMessages = [ + 'Rate limit exceeded', + 'Context length exceeded', + 'Out of memory', + 'Model loading timeout', + 'Invalid request format', + ]; + + const record = { + model_name: modelName, + timestamp: Date.now(), + response_time_ms: responseTime, + tokens_input: tokensIn, + tokens_output: tokensOut, + status: isError ? 'error' : 'success', + error_message: isError ? errorMessages[Math.floor(Math.random() * errorMessages.length)] : null, + }; + + try { + insertRequest(record); + } catch (err) { + // Non-fatal: log and continue + console.error('[Simulator] DB insert error:', err.message); + } + + this.emit('request_completed', { + model: modelName, + displayName: profile.displayName, + emoji: profile.emoji, + responseTime, + tokensIn, + tokensOut, + status: record.status, + errorMessage: record.error_message, + timestamp: record.timestamp, + }); + } + + _scheduleNext() { + if (!this._running) return; + const delay = randInt(MIN_REQUEST_DELAY_MS, MAX_REQUEST_DELAY_MS); + this._timer = setTimeout(() => { + this._simulateOne(); + this._scheduleNext(); + }, delay); + } + + start() { + if (this._running) return; + this._running = true; + console.log('[Simulator] Started'); + this._scheduleNext(); + } + + stop() { + this._running = false; + if (this._timer) { + clearTimeout(this._timer); + this._timer = null; + } + console.log('[Simulator] Stopped'); + } + + getModelProfiles() { + return MODEL_PROFILES; + } +} + +module.exports = new Simulator(); diff --git a/docker-compose.yml b/docker-compose.yml new file mode 100644 index 0000000..bf56bec --- /dev/null +++ b/docker-compose.yml @@ -0,0 +1,19 @@ +version: '3.8' +services: + backend: + build: ./backend + ports: + - "3001:3001" + environment: + - NODE_ENV=production + - PORT=3001 + volumes: + - ./data:/app/data + frontend: + image: nginx:alpine + ports: + - "3000:80" + volumes: + - ./frontend:/usr/share/nginx/html + depends_on: + - backend diff --git a/docs/project-plan.md b/docs/project-plan.md new file mode 100644 index 0000000..274428c --- /dev/null +++ b/docs/project-plan.md @@ -0,0 +1,221 @@ +# Watch-System 项目规划文档 + +## 一、项目背景 + +随着开源大语言模型（LLM）的爆发式增长，企业和开发者在生产环境中部署了越来越多的 AI 模型服务。如何实时掌握这些模型的运行状态、性能指标以及异常情况，成为 MLOps 工程师面临的核心挑战之一。 + +Watch-System 旨在提供一套轻量、可扩展的监控解决方案，针对开源模型（LLaMA2、Mistral、CodeLlama 等）的 API 调用进行全方位监控，帮助团队： + +- 快速发现性能瓶颈（响应时间过长、错误率上升） +- 掌握各模型的资源消耗（Token 使用量） +- 在异常发生时及时告警，缩短 MTTR（平均故障恢复时间） + +--- + +## 二、系统架构 + +### 2.1 整体架构 + +系统采用前后端分离架构，后端为 Node.js 服务，前端为单页应用（SPA）。 + +``` +前端 (SPA) 后端 (Node.js) 数据层 + │ │ │ + │── HTTP GET ──────► REST API │ + │ │── 查询 ──────────► SQLite DB + │◄─ WebSocket ────── Socket.IO │ + │ (实时推送) │── 写入 ──────────► SQLite DB + │ + 模拟器 / 告警管理器 +``` + +### 2.2 技术选型理由 + +| 技术 | 版本 | 选型理由 | +|------|------|----------| +| Node.js + Express | 18.x / 4.x | 轻量、生态丰富、异步友好 | +| Socket.IO | 4.x | 自动降级、断线重连、房间广播 | +| better-sqlite3 | 9.x | 同步 API、高性能、零配置 | +| Chart.js | 4.x | 轻量图表库，支持实时更新 | +| Docker Compose | 3.8 | 一键编排，环境一致性 | + +--- + +## 三、模块拆解 + +### 3.1 后端模块 + +#### server.js（主入口） +- 初始化 Express 应用 +- 挂载 CORS、JSON 中间件 +- 注册 `/api` 路由 +- 启动 Socket.IO 服务 +- 启动模拟器和告警管理器 +- 监听指定端口 + +#### database.js（数据层） +- 初始化 SQLite 数据库 +- 创建 `requests` 表和 `models` 表 +- 提供以下 Helper 函数： + - `insertRequest()` - 写入请求记录 + - `getModelStats()` - 查询模型统计数据 + - `getRecentRequests()` - 查询近期请求列表 + - `getAggregatedMetrics()` - 聚合全局指标 + +#### routes/api.js（REST API） +- `GET /api/models` - 返回所有模型列表及实时状态 +- `GET /api/metrics` - 全局聚合指标 +- `GET /api/metrics/:modelName` - 单模型指标（含 P95 延迟） +- `GET /api/history/:modelName` - 最近 100 条请求历史 +- `GET /api/alerts` - 活跃告警列表 +- `POST /api/simulate` - 手动触发单次模拟 + +#### services/simulator.js（模拟器） +- 定义 8 个模型的特征参数（响应时间范围、Token 范围、错误率） +- 随机化请求间隔（200-800ms） +- 每次模拟完成后： + 1. 写入数据库 + 2. 触发 `request_completed` 事件 +- 支持启动/停止控制 + +#### services/alertManager.js（告警管理） +- 定期检查指标阈值： + - 错误率 > 10%：ERROR 级别告警 + - 平均响应时间 > 3000ms：WARNING 级别告警 + - 请求量突增 > 200%：WARNING 级别告警 +- 告警去重（同一模型同一类型不重复创建） +- 指标恢复后自动解除告警 +- 触发 `alert_created` / `alert_resolved` 事件 + +### 3.2 前端模块 + +#### 布局结构 +``` +┌──────────────── Header ───────────────────┐ +│ AI 模型监控系统 [实时时钟] [状态] │ +├──────── Stats Cards (4列) ────────────────┤ +│ 总请求数 │ 活跃模型 │ 均响应时间 │ 错误率 │ +├────── Charts (左2/3 + 右1/3) ─────────────┤ +│ 请求量趋势折线图 │ 请求分布饼图 │ +├────── 响应时间柱状图 ──────────────────────┤ +│ 各模型平均响应时间横向柱状图 │ +├──── Model Cards Grid (4x2) ───────────────┤ +│ [模型卡片×8] │ +├──── Live Log + Alerts ────────────────────┤ +│ 实时请求日志表格 │ 告警面板 │ +└───────────────────────────────────────────┘ +``` + +--- + +## 四、数据流设计 + +### 4.1 实时数据流 + +``` +Simulator.js + │ + │ 每 200-800ms 生成一条模拟请求 + ▼ +database.insertRequest() + │ + │ 写入 SQLite + ▼ +EventEmitter.emit('request_completed', payload) + │ + ▼ +server.js 监听事件 + │ + │ io.emit('request_completed', payload) + ▼ +所有连接的前端客户端 + │ + ▼ +更新实时日志 + 更新模型卡片计数器 +``` + +### 4.2 定时指标推送流 + +``` +server.js setInterval(5000) + │ + │ 调用 database.getAggregatedMetrics() + ▼ +io.emit('metrics_update', allMetrics) + │ + ▼ +前端更新： + - Stats Cards 数字动画 + - 折线图新增数据点 + - 饼图重绘 + - 柱状图重绘 + - 模型卡片状态更新 +``` + +### 4.3 告警流 + +``` +alertManager.js setInterval(10000) + │ + │ 查询最近 1 分钟各模型指标 + ▼ +检查阈值条件 + │ + ├── 新告警 → emit('alert_created') + │ → 前端显示告警横幅 + │ + └── 告警恢复 → emit('alert_resolved') + → 前端标记告警已解除 +``` + +--- + +## 五、数据库设计 + +### requests 表 + +| 字段 | 类型 | 说明 | +|------|------|------| +| id | INTEGER PRIMARY KEY | 自增主键 | +| model_name | TEXT NOT NULL | 模型标识符 | +| timestamp | INTEGER NOT NULL | Unix 时间戳（毫秒） | +| response_time_ms | INTEGER | 响应时间（毫秒） | +| tokens_input | INTEGER | 输入 Token 数 | +| tokens_output | INTEGER | 输出 Token 数 | +| status | TEXT | success / error | +| error_message | TEXT | 错误信息（可空） | + +### models 表 + +| 字段 | 类型 | 说明 | +|------|------|------| +| name | TEXT PRIMARY KEY | 模型唯一标识 | +| display_name | TEXT | 展示名称 | +| description | TEXT | 模型描述 | +| category | TEXT | 分类（chat/code/multilingual） | + +--- + +## 六、开发里程碑 + +| 阶段 | 任务 | 状态 | +|------|------|------| +| M1 | 项目初始化、目录结构、package.json | ✅ 完成 | +| M2 | 数据库设计与实现（database.js） | ✅ 完成 | +| M3 | 模型模拟器实现（simulator.js） | ✅ 完成 | +| M4 | REST API 路由实现（api.js） | ✅ 完成 | +| M5 | 告警管理器（alertManager.js） | ✅ 完成 | +| M6 | 主服务入口（server.js） | ✅ 完成 | +| M7 | 前端仪表板（index.html） | ✅ 完成 | +| M8 | Docker 化部署配置 | ✅ 完成 | +| M9 | 端到端联调测试 | ✅ 完成 | + +--- + +## 七、扩展规划 + +- **多实例支持**：引入 Redis Pub/Sub 替换内存事件总线，支持水平扩展 +- **真实接入**：对接 Ollama / vLLM 等本地推理框架的真实 API +- **用户认证**：添加 JWT 鉴权，支持多租户监控 +- **数据导出**：支持 Prometheus 指标格式导出，对接 Grafana +- **移动端适配**：PWA 支持，手机端查看告警推送 diff --git a/frontend/index.html b/frontend/index.html new file mode 100644 index 0000000..da5d2df --- /dev/null +++ b/frontend/index.html @@ -0,0 +1,846 @@ + + + + + + AI 模型监控系统 + + + + + + + +
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AI 模型监控系统

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i=[],s=t._getSortedDatasetMetas(e);let n,o;for(n=0,o=s.length;n0||!i&&e<0)return n.index}return null}function Vs(t,e){const{chart:i,_cachedMeta:s}=t,n=i._stacks||(i._stacks={}),{iScale:o,vScale:a,index:r}=s,l=o.axis,h=a.axis,c=function(t,e,i){return`${t.id}.${e.id}.${i.stack||i.type}`}(o,a,s),d=e.length;let u;for(let t=0;ti[t].axis===e)).shift()}function Ws(t,e){const i=t.controller.index,s=t.vScale&&t.vScale.axis;if(s){e=e||t._parsed;for(const t of e){const e=t._stacks;if(!e||void 0===e[s]||void 0===e[s][i])return;delete e[s][i],void 0!==e[s]._visualValues&&void 0!==e[s]._visualValues[i]&&delete e[s]._visualValues[i]}}}const Ns=t=>"reset"===t||"none"===t,Hs=(t,e)=>e?t:Object.assign({},t);class js{static defaults={};static datasetElementType=null;static dataElementType=null;constructor(t,e){this.chart=t,this._ctx=t.ctx,this.index=e,this._cachedDataOpts={},this._cachedMeta=this.getMeta(),this._type=this._cachedMeta.type,this.options=void 0,this._parsing=!1,this._data=void 0,this._objectData=void 0,this._sharedOptions=void 0,this._drawStart=void 0,this._drawCount=void 0,this.enableOptionSharing=!1,this.supportsDecimation=!1,this.$context=void 0,this._syncList=[],this.datasetElementType=new.target.datasetElementType,this.dataElementType=new.target.dataElementType,this.initialize()}initialize(){const t=this._cachedMeta;this.configure(),this.linkScales(),t._stacked=Is(t.vScale,t),this.addElements(),this.options.fill&&!this.chart.isPluginEnabled("filler")&&console.warn("Tried to use the 'fill' option without the 'Filler' plugin enabled. Please import and register the 'Filler' plugin and make sure it is not disabled in the options")}updateIndex(t){this.index!==t&&Ws(this._cachedMeta),this.index=t}linkScales(){const t=this.chart,e=this._cachedMeta,i=this.getDataset(),s=(t,e,i,s)=>"x"===t?e:"r"===t?s:i,n=e.xAxisID=l(i.xAxisID,Bs(t,"x")),o=e.yAxisID=l(i.yAxisID,Bs(t,"y")),a=e.rAxisID=l(i.rAxisID,Bs(t,"r")),r=e.indexAxis,h=e.iAxisID=s(r,n,o,a),c=e.vAxisID=s(r,o,n,a);e.xScale=this.getScaleForId(n),e.yScale=this.getScaleForId(o),e.rScale=this.getScaleForId(a),e.iScale=this.getScaleForId(h),e.vScale=this.getScaleForId(c)}getDataset(){return this.chart.data.datasets[this.index]}getMeta(){return this.chart.getDatasetMeta(this.index)}getScaleForId(t){return this.chart.scales[t]}_getOtherScale(t){const e=this._cachedMeta;return t===e.iScale?e.vScale:e.iScale}reset(){this._update("reset")}_destroy(){const t=this._cachedMeta;this._data&&rt(this._data,this),t._stacked&&Ws(t)}_dataCheck(){const t=this.getDataset(),e=t.data||(t.data=[]),i=this._data;if(o(e)){const t=this._cachedMeta;this._data=function(t,e){const{iScale:i,vScale:s}=e,n="x"===i.axis?"x":"y",o="x"===s.axis?"x":"y",a=Object.keys(t),r=new Array(a.length);let l,h,c;for(l=0,h=a.length;l0&&i._parsed[t-1];if(!1===this._parsing)i._parsed=s,i._sorted=!0,d=s;else{d=n(s[t])?this.parseArrayData(i,s,t,e):o(s[t])?this.parseObjectData(i,s,t,e):this.parsePrimitiveData(i,s,t,e);const a=()=>null===c[l]||f&&c[l]t&&!e.hidden&&e._stacked&&{keys:Es(i,!0),values:null})(e,i,this.chart),h={min:Number.POSITIVE_INFINITY,max:Number.NEGATIVE_INFINITY},{min:c,max:d}=function(t){const{min:e,max:i,minDefined:s,maxDefined:n}=t.getUserBounds();return{min:s?e:Number.NEGATIVE_INFINITY,max:n?i:Number.POSITIVE_INFINITY}}(r);let u,f;function g(){f=s[u];const e=f[r.axis];return!a(f[t.axis])||c>e||d=0;--u)if(!g()){this.updateRangeFromParsed(h,t,f,l);break}return h}getAllParsedValues(t){const e=this._cachedMeta._parsed,i=[];let s,n,o;for(s=0,n=e.length;s=0&&tthis.getContext(i,s,e)),c);return f.$shared&&(f.$shared=r,n[o]=Object.freeze(Hs(f,r))),f}_resolveAnimations(t,e,i){const s=this.chart,n=this._cachedDataOpts,o=`animation-${e}`,a=n[o];if(a)return a;let r;if(!1!==s.options.animation){const s=this.chart.config,n=s.datasetAnimationScopeKeys(this._type,e),o=s.getOptionScopes(this.getDataset(),n);r=s.createResolver(o,this.getContext(t,i,e))}const l=new Ts(s,r&&r.animations);return r&&r._cacheable&&(n[o]=Object.freeze(l)),l}getSharedOptions(t){if(t.$shared)return this._sharedOptions||(this._sharedOptions=Object.assign({},t))}includeOptions(t,e){return!e||Ns(t)||this.chart._animationsDisabled}_getSharedOptions(t,e){const i=this.resolveDataElementOptions(t,e),s=this._sharedOptions,n=this.getSharedOptions(i),o=this.includeOptions(e,n)||n!==s;return this.updateSharedOptions(n,e,i),{sharedOptions:n,includeOptions:o}}updateElement(t,e,i,s){Ns(s)?Object.assign(t,i):this._resolveAnimations(e,s).update(t,i)}updateSharedOptions(t,e,i){t&&!Ns(e)&&this._resolveAnimations(void 0,e).update(t,i)}_setStyle(t,e,i,s){t.active=s;const n=this.getStyle(e,s);this._resolveAnimations(e,i,s).update(t,{options:!s&&this.getSharedOptions(n)||n})}removeHoverStyle(t,e,i){this._setStyle(t,i,"active",!1)}setHoverStyle(t,e,i){this._setStyle(t,i,"active",!0)}_removeDatasetHoverStyle(){const t=this._cachedMeta.dataset;t&&this._setStyle(t,void 0,"active",!1)}_setDatasetHoverStyle(){const t=this._cachedMeta.dataset;t&&this._setStyle(t,void 0,"active",!0)}_resyncElements(t){const e=this._data,i=this._cachedMeta.data;for(const[t,e,i]of this._syncList)this[t](e,i);this._syncList=[];const s=i.length,n=e.length,o=Math.min(n,s);o&&this.parse(0,o),n>s?this._insertElements(s,n-s,t):n{for(t.length+=e,a=t.length-1;a>=o;a--)t[a]=t[a-e]};for(r(n),a=t;a{s[t]=i[t]&&i[t].active()?i[t]._to:this[t]})),s}}function Ys(t,e){const i=t.options.ticks,n=function(t){const e=t.options.offset,i=t._tickSize(),s=t._length/i+(e?0:1),n=t._maxLength/i;return Math.floor(Math.min(s,n))}(t),o=Math.min(i.maxTicksLimit||n,n),a=i.major.enabled?function(t){const e=[];let i,s;for(i=0,s=t.length;io)return function(t,e,i,s){let n,o=0,a=i[0];for(s=Math.ceil(s),n=0;nn)return e}return Math.max(n,1)}(a,e,o);if(r>0){let t,i;const n=r>1?Math.round((h-l)/(r-1)):null;for(Us(e,c,d,s(n)?0:l-n,l),t=0,i=r-1;t"top"===e||"left"===e?t[e]+i:t[e]-i,qs=(t,e)=>Math.min(e||t,t);function Ks(t,e){const i=[],s=t.length/e,n=t.length;let o=0;for(;oa+r)))return h}function Js(t){return t.drawTicks?t.tickLength:0}function Zs(t,e){if(!t.display)return 0;const i=Si(t.font,e),s=ki(t.padding);return(n(t.text)?t.text.length:1)*i.lineHeight+s.height}function Qs(t,e,i){let s=ut(t);return(i&&"right"!==e||!i&&"right"===e)&&(s=(t=>"left"===t?"right":"right"===t?"left":t)(s)),s}class tn extends $s{constructor(t){super(),this.id=t.id,this.type=t.type,this.options=void 0,this.ctx=t.ctx,this.chart=t.chart,this.top=void 0,this.bottom=void 0,this.left=void 0,this.right=void 0,this.width=void 0,this.height=void 0,this._margins={left:0,right:0,top:0,bottom:0},this.maxWidth=void 0,this.maxHeight=void 0,this.paddingTop=void 0,this.paddingBottom=void 0,this.paddingLeft=void 0,this.paddingRight=void 0,this.axis=void 0,this.labelRotation=void 0,this.min=void 0,this.max=void 0,this._range=void 0,this.ticks=[],this._gridLineItems=null,this._labelItems=null,this._labelSizes=null,this._length=0,this._maxLength=0,this._longestTextCache={},this._startPixel=void 0,this._endPixel=void 0,this._reversePixels=!1,this._userMax=void 0,this._userMin=void 0,this._suggestedMax=void 0,this._suggestedMin=void 0,this._ticksLength=0,this._borderValue=0,this._cache={},this._dataLimitsCached=!1,this.$context=void 0}init(t){this.options=t.setContext(this.getContext()),this.axis=t.axis,this._userMin=this.parse(t.min),this._userMax=this.parse(t.max),this._suggestedMin=this.parse(t.suggestedMin),this._suggestedMax=this.parse(t.suggestedMax)}parse(t,e){return t}getUserBounds(){let{_userMin:t,_userMax:e,_suggestedMin:i,_suggestedMax:s}=this;return t=r(t,Number.POSITIVE_INFINITY),e=r(e,Number.NEGATIVE_INFINITY),i=r(i,Number.POSITIVE_INFINITY),s=r(s,Number.NEGATIVE_INFINITY),{min:r(t,i),max:r(e,s),minDefined:a(t),maxDefined:a(e)}}getMinMax(t){let e,{min:i,max:s,minDefined:n,maxDefined:o}=this.getUserBounds();if(n&&o)return{min:i,max:s};const a=this.getMatchingVisibleMetas();for(let r=0,l=a.length;rs?s:i,s=n&&i>s?i:s,{min:r(i,r(s,i)),max:r(s,r(i,s))}}getPadding(){return{left:this.paddingLeft||0,top:this.paddingTop||0,right:this.paddingRight||0,bottom:this.paddingBottom||0}}getTicks(){return this.ticks}getLabels(){const t=this.chart.data;return this.options.labels||(this.isHorizontal()?t.xLabels:t.yLabels)||t.labels||[]}getLabelItems(t=this.chart.chartArea){return this._labelItems||(this._labelItems=this._computeLabelItems(t))}beforeLayout(){this._cache={},this._dataLimitsCached=!1}beforeUpdate(){d(this.options.beforeUpdate,[this])}update(t,e,i){const{beginAtZero:s,grace:n,ticks:o}=this.options,a=o.sampleSize;this.beforeUpdate(),this.maxWidth=t,this.maxHeight=e,this._margins=i=Object.assign({left:0,right:0,top:0,bottom:0},i),this.ticks=null,this._labelSizes=null,this._gridLineItems=null,this._labelItems=null,this.beforeSetDimensions(),this.setDimensions(),this.afterSetDimensions(),this._maxLength=this.isHorizontal()?this.width+i.left+i.right:this.height+i.top+i.bottom,this._dataLimitsCached||(this.beforeDataLimits(),this.determineDataLimits(),this.afterDataLimits(),this._range=Di(this,n,s),this._dataLimitsCached=!0),this.beforeBuildTicks(),this.ticks=this.buildTicks()||[],this.afterBuildTicks();const r=a=n||i<=1||!this.isHorizontal())return void(this.labelRotation=s);const h=this._getLabelSizes(),c=h.widest.width,d=h.highest.height,u=Z(this.chart.width-c,0,this.maxWidth);o=t.offset?this.maxWidth/i:u/(i-1),c+6>o&&(o=u/(i-(t.offset?.5:1)),a=this.maxHeight-Js(t.grid)-e.padding-Zs(t.title,this.chart.options.font),r=Math.sqrt(c*c+d*d),l=Y(Math.min(Math.asin(Z((h.highest.height+6)/o,-1,1)),Math.asin(Z(a/r,-1,1))-Math.asin(Z(d/r,-1,1)))),l=Math.max(s,Math.min(n,l))),this.labelRotation=l}afterCalculateLabelRotation(){d(this.options.afterCalculateLabelRotation,[this])}afterAutoSkip(){}beforeFit(){d(this.options.beforeFit,[this])}fit(){const t={width:0,height:0},{chart:e,options:{ticks:i,title:s,grid:n}}=this,o=this._isVisible(),a=this.isHorizontal();if(o){const o=Zs(s,e.options.font);if(a?(t.width=this.maxWidth,t.height=Js(n)+o):(t.height=this.maxHeight,t.width=Js(n)+o),i.display&&this.ticks.length){const{first:e,last:s,widest:n,highest:o}=this._getLabelSizes(),r=2*i.padding,l=$(this.labelRotation),h=Math.cos(l),c=Math.sin(l);if(a){const e=i.mirror?0:c*n.width+h*o.height;t.height=Math.min(this.maxHeight,t.height+e+r)}else{const e=i.mirror?0:h*n.width+c*o.height;t.width=Math.min(this.maxWidth,t.width+e+r)}this._calculatePadding(e,s,c,h)}}this._handleMargins(),a?(this.width=this._length=e.width-this._margins.left-this._margins.right,this.height=t.height):(this.width=t.width,this.height=this._length=e.height-this._margins.top-this._margins.bottom)}_calculatePadding(t,e,i,s){const{ticks:{align:n,padding:o},position:a}=this.options,r=0!==this.labelRotation,l="top"!==a&&"x"===this.axis;if(this.isHorizontal()){const a=this.getPixelForTick(0)-this.left,h=this.right-this.getPixelForTick(this.ticks.length-1);let c=0,d=0;r?l?(c=s*t.width,d=i*e.height):(c=i*t.height,d=s*e.width):"start"===n?d=e.width:"end"===n?c=t.width:"inner"!==n&&(c=t.width/2,d=e.width/2),this.paddingLeft=Math.max((c-a+o)*this.width/(this.width-a),0),this.paddingRight=Math.max((d-h+o)*this.width/(this.width-h),0)}else{let i=e.height/2,s=t.height/2;"start"===n?(i=0,s=t.height):"end"===n&&(i=e.height,s=0),this.paddingTop=i+o,this.paddingBottom=s+o}}_handleMargins(){this._margins&&(this._margins.left=Math.max(this.paddingLeft,this._margins.left),this._margins.top=Math.max(this.paddingTop,this._margins.top),this._margins.right=Math.max(this.paddingRight,this._margins.right),this._margins.bottom=Math.max(this.paddingBottom,this._margins.bottom))}afterFit(){d(this.options.afterFit,[this])}isHorizontal(){const{axis:t,position:e}=this.options;return"top"===e||"bottom"===e||"x"===t}isFullSize(){return this.options.fullSize}_convertTicksToLabels(t){let e,i;for(this.beforeTickToLabelConversion(),this.generateTickLabels(t),e=0,i=t.length;e{const i=t.gc,s=i.length/2;let n;if(s>e){for(n=0;n({width:r[t]||0,height:l[t]||0});return{first:P(0),last:P(e-1),widest:P(k),highest:P(S),widths:r,heights:l}}getLabelForValue(t){return t}getPixelForValue(t,e){return NaN}getValueForPixel(t){}getPixelForTick(t){const e=this.ticks;return t<0||t>e.length-1?null:this.getPixelForValue(e[t].value)}getPixelForDecimal(t){this._reversePixels&&(t=1-t);const e=this._startPixel+t*this._length;return Q(this._alignToPixels?Ae(this.chart,e,0):e)}getDecimalForPixel(t){const e=(t-this._startPixel)/this._length;return this._reversePixels?1-e:e}getBasePixel(){return this.getPixelForValue(this.getBaseValue())}getBaseValue(){const{min:t,max:e}=this;return t<0&&e<0?e:t>0&&e>0?t:0}getContext(t){const e=this.ticks||[];if(t>=0&&ta*s?a/i:r/s:r*s0}_computeGridLineItems(t){const e=this.axis,i=this.chart,s=this.options,{grid:n,position:a,border:r}=s,h=n.offset,c=this.isHorizontal(),d=this.ticks.length+(h?1:0),u=Js(n),f=[],g=r.setContext(this.getContext()),p=g.display?g.width:0,m=p/2,x=function(t){return Ae(i,t,p)};let b,_,y,v,M,w,k,S,P,D,C,O;if("top"===a)b=x(this.bottom),w=this.bottom-u,S=b-m,D=x(t.top)+m,O=t.bottom;else if("bottom"===a)b=x(this.top),D=t.top,O=x(t.bottom)-m,w=b+m,S=this.top+u;else if("left"===a)b=x(this.right),M=this.right-u,k=b-m,P=x(t.left)+m,C=t.right;else if("right"===a)b=x(this.left),P=t.left,C=x(t.right)-m,M=b+m,k=this.left+u;else if("x"===e){if("center"===a)b=x((t.top+t.bottom)/2+.5);else if(o(a)){const t=Object.keys(a)[0],e=a[t];b=x(this.chart.scales[t].getPixelForValue(e))}D=t.top,O=t.bottom,w=b+m,S=w+u}else if("y"===e){if("center"===a)b=x((t.left+t.right)/2);else if(o(a)){const t=Object.keys(a)[0],e=a[t];b=x(this.chart.scales[t].getPixelForValue(e))}M=b-m,k=M-u,P=t.left,C=t.right}const A=l(s.ticks.maxTicksLimit,d),T=Math.max(1,Math.ceil(d/A));for(_=0;_0&&(o-=s/2)}d={left:o,top:n,width:s+e.width,height:i+e.height,color:t.backdropColor}}x.push({label:v,font:P,textOffset:O,options:{rotation:m,color:i,strokeColor:o,strokeWidth:h,textAlign:f,textBaseline:A,translation:[M,w],backdrop:d}})}return x}_getXAxisLabelAlignment(){const{position:t,ticks:e}=this.options;if(-$(this.labelRotation))return"top"===t?"left":"right";let i="center";return"start"===e.align?i="left":"end"===e.align?i="right":"inner"===e.align&&(i="inner"),i}_getYAxisLabelAlignment(t){const{position:e,ticks:{crossAlign:i,mirror:s,padding:n}}=this.options,o=t+n,a=this._getLabelSizes().widest.width;let r,l;return"left"===e?s?(l=this.right+n,"near"===i?r="left":"center"===i?(r="center",l+=a/2):(r="right",l+=a)):(l=this.right-o,"near"===i?r="right":"center"===i?(r="center",l-=a/2):(r="left",l=this.left)):"right"===e?s?(l=this.left+n,"near"===i?r="right":"center"===i?(r="center",l-=a/2):(r="left",l-=a)):(l=this.left+o,"near"===i?r="left":"center"===i?(r="center",l+=a/2):(r="right",l=this.right)):r="right",{textAlign:r,x:l}}_computeLabelArea(){if(this.options.ticks.mirror)return;const t=this.chart,e=this.options.position;return"left"===e||"right"===e?{top:0,left:this.left,bottom:t.height,right:this.right}:"top"===e||"bottom"===e?{top:this.top,left:0,bottom:this.bottom,right:t.width}:void 0}drawBackground(){const{ctx:t,options:{backgroundColor:e},left:i,top:s,width:n,height:o}=this;e&&(t.save(),t.fillStyle=e,t.fillRect(i,s,n,o),t.restore())}getLineWidthForValue(t){const e=this.options.grid;if(!this._isVisible()||!e.display)return 0;const i=this.ticks.findIndex((e=>e.value===t));if(i>=0){return e.setContext(this.getContext(i)).lineWidth}return 0}drawGrid(t){const e=this.options.grid,i=this.ctx,s=this._gridLineItems||(this._gridLineItems=this._computeGridLineItems(t));let n,o;const a=(t,e,s)=>{s.width&&s.color&&(i.save(),i.lineWidth=s.width,i.strokeStyle=s.color,i.setLineDash(s.borderDash||[]),i.lineDashOffset=s.borderDashOffset,i.beginPath(),i.moveTo(t.x,t.y),i.lineTo(e.x,e.y),i.stroke(),i.restore())};if(e.display)for(n=0,o=s.length;n{this.drawBackground(),this.drawGrid(t),this.drawTitle()}},{z:s,draw:()=>{this.drawBorder()}},{z:e,draw:t=>{this.drawLabels(t)}}]:[{z:e,draw:t=>{this.draw(t)}}]}getMatchingVisibleMetas(t){const e=this.chart.getSortedVisibleDatasetMetas(),i=this.axis+"AxisID",s=[];let n,o;for(n=0,o=e.length;n{const s=i.split("."),n=s.pop(),o=[t].concat(s).join("."),a=e[i].split("."),r=a.pop(),l=a.join(".");ue.route(o,n,l,r)}))}(e,t.defaultRoutes);t.descriptors&&ue.describe(e,t.descriptors)}(t,o,i),this.override&&ue.override(t.id,t.overrides)),o}get(t){return this.items[t]}unregister(t){const e=this.items,i=t.id,s=this.scope;i in e&&delete e[i],s&&i in ue[s]&&(delete ue[s][i],this.override&&delete re[i])}}class sn{constructor(){this.controllers=new en(js,"datasets",!0),this.elements=new en($s,"elements"),this.plugins=new en(Object,"plugins"),this.scales=new en(tn,"scales"),this._typedRegistries=[this.controllers,this.scales,this.elements]}add(...t){this._each("register",t)}remove(...t){this._each("unregister",t)}addControllers(...t){this._each("register",t,this.controllers)}addElements(...t){this._each("register",t,this.elements)}addPlugins(...t){this._each("register",t,this.plugins)}addScales(...t){this._each("register",t,this.scales)}getController(t){return this._get(t,this.controllers,"controller")}getElement(t){return this._get(t,this.elements,"element")}getPlugin(t){return this._get(t,this.plugins,"plugin")}getScale(t){return this._get(t,this.scales,"scale")}removeControllers(...t){this._each("unregister",t,this.controllers)}removeElements(...t){this._each("unregister",t,this.elements)}removePlugins(...t){this._each("unregister",t,this.plugins)}removeScales(...t){this._each("unregister",t,this.scales)}_each(t,e,i){[...e].forEach((e=>{const s=i||this._getRegistryForType(e);i||s.isForType(e)||s===this.plugins&&e.id?this._exec(t,s,e):u(e,(e=>{const s=i||this._getRegistryForType(e);this._exec(t,s,e)}))}))}_exec(t,e,i){const s=w(t);d(i["before"+s],[],i),e[t](i),d(i["after"+s],[],i)}_getRegistryForType(t){for(let e=0;et.filter((t=>!e.some((e=>t.plugin.id===e.plugin.id))));this._notify(s(e,i),t,"stop"),this._notify(s(i,e),t,"start")}}function an(t,e){return e||!1!==t?!0===t?{}:t:null}function rn(t,{plugin:e,local:i},s,n){const o=t.pluginScopeKeys(e),a=t.getOptionScopes(s,o);return i&&e.defaults&&a.push(e.defaults),t.createResolver(a,n,[""],{scriptable:!1,indexable:!1,allKeys:!0})}function ln(t,e){const i=ue.datasets[t]||{};return((e.datasets||{})[t]||{}).indexAxis||e.indexAxis||i.indexAxis||"x"}function hn(t){if("x"===t||"y"===t||"r"===t)return t}function cn(t,...e){if(hn(t))return t;for(const s of e){const e=s.axis||("top"===(i=s.position)||"bottom"===i?"x":"left"===i||"right"===i?"y":void 0)||t.length>1&&hn(t[0].toLowerCase());if(e)return e}var i;throw new Error(`Cannot determine type of '${t}' axis. Please provide 'axis' or 'position' option.`)}function dn(t,e,i){if(i[e+"AxisID"]===t)return{axis:e}}function un(t,e){const i=re[t.type]||{scales:{}},s=e.scales||{},n=ln(t.type,e),a=Object.create(null);return Object.keys(s).forEach((e=>{const r=s[e];if(!o(r))return console.error(`Invalid scale configuration for scale: ${e}`);if(r._proxy)return console.warn(`Ignoring resolver passed as options for scale: ${e}`);const l=cn(e,r,function(t,e){if(e.data&&e.data.datasets){const i=e.data.datasets.filter((e=>e.xAxisID===t||e.yAxisID===t));if(i.length)return dn(t,"x",i[0])||dn(t,"y",i[0])}return{}}(e,t),ue.scales[r.type]),h=function(t,e){return t===e?"_index_":"_value_"}(l,n),c=i.scales||{};a[e]=b(Object.create(null),[{axis:l},r,c[l],c[h]])})),t.data.datasets.forEach((i=>{const n=i.type||t.type,o=i.indexAxis||ln(n,e),r=(re[n]||{}).scales||{};Object.keys(r).forEach((t=>{const e=function(t,e){let i=t;return"_index_"===t?i=e:"_value_"===t&&(i="x"===e?"y":"x"),i}(t,o),n=i[e+"AxisID"]||e;a[n]=a[n]||Object.create(null),b(a[n],[{axis:e},s[n],r[t]])}))})),Object.keys(a).forEach((t=>{const e=a[t];b(e,[ue.scales[e.type],ue.scale])})),a}function fn(t){const e=t.options||(t.options={});e.plugins=l(e.plugins,{}),e.scales=un(t,e)}function gn(t){return(t=t||{}).datasets=t.datasets||[],t.labels=t.labels||[],t}const pn=new Map,mn=new Set;function xn(t,e){let i=pn.get(t);return i||(i=e(),pn.set(t,i),mn.add(i)),i}const bn=(t,e,i)=>{const s=M(e,i);void 0!==s&&t.add(s)};class _n{constructor(t){this._config=function(t){return(t=t||{}).data=gn(t.data),fn(t),t}(t),this._scopeCache=new Map,this._resolverCache=new Map}get platform(){return this._config.platform}get type(){return this._config.type}set type(t){this._config.type=t}get data(){return this._config.data}set data(t){this._config.data=gn(t)}get options(){return this._config.options}set options(t){this._config.options=t}get plugins(){return this._config.plugins}update(){const t=this._config;this.clearCache(),fn(t)}clearCache(){this._scopeCache.clear(),this._resolverCache.clear()}datasetScopeKeys(t){return xn(t,(()=>[[`datasets.${t}`,""]]))}datasetAnimationScopeKeys(t,e){return xn(`${t}.transition.${e}`,(()=>[[`datasets.${t}.transitions.${e}`,`transitions.${e}`],[`datasets.${t}`,""]]))}datasetElementScopeKeys(t,e){return xn(`${t}-${e}`,(()=>[[`datasets.${t}.elements.${e}`,`datasets.${t}`,`elements.${e}`,""]]))}pluginScopeKeys(t){const e=t.id;return xn(`${this.type}-plugin-${e}`,(()=>[[`plugins.${e}`,...t.additionalOptionScopes||[]]]))}_cachedScopes(t,e){const i=this._scopeCache;let s=i.get(t);return s&&!e||(s=new Map,i.set(t,s)),s}getOptionScopes(t,e,i){const{options:s,type:n}=this,o=this._cachedScopes(t,i),a=o.get(e);if(a)return a;const r=new Set;e.forEach((e=>{t&&(r.add(t),e.forEach((e=>bn(r,t,e)))),e.forEach((t=>bn(r,s,t))),e.forEach((t=>bn(r,re[n]||{},t))),e.forEach((t=>bn(r,ue,t))),e.forEach((t=>bn(r,le,t)))}));const l=Array.from(r);return 0===l.length&&l.push(Object.create(null)),mn.has(e)&&o.set(e,l),l}chartOptionScopes(){const{options:t,type:e}=this;return[t,re[e]||{},ue.datasets[e]||{},{type:e},ue,le]}resolveNamedOptions(t,e,i,s=[""]){const o={$shared:!0},{resolver:a,subPrefixes:r}=yn(this._resolverCache,t,s);let l=a;if(function(t,e){const{isScriptable:i,isIndexable:s}=Ye(t);for(const o of e){const e=i(o),a=s(o),r=(a||e)&&t[o];if(e&&(S(r)||vn(r))||a&&n(r))return!0}return!1}(a,e)){o.$shared=!1;l=$e(a,i=S(i)?i():i,this.createResolver(t,i,r))}for(const t of e)o[t]=l[t];return o}createResolver(t,e,i=[""],s){const{resolver:n}=yn(this._resolverCache,t,i);return o(e)?$e(n,e,void 0,s):n}}function yn(t,e,i){let s=t.get(e);s||(s=new Map,t.set(e,s));const n=i.join();let o=s.get(n);if(!o){o={resolver:je(e,i),subPrefixes:i.filter((t=>!t.toLowerCase().includes("hover")))},s.set(n,o)}return o}const vn=t=>o(t)&&Object.getOwnPropertyNames(t).some((e=>S(t[e])));const Mn=["top","bottom","left","right","chartArea"];function wn(t,e){return"top"===t||"bottom"===t||-1===Mn.indexOf(t)&&"x"===e}function kn(t,e){return function(i,s){return i[t]===s[t]?i[e]-s[e]:i[t]-s[t]}}function Sn(t){const e=t.chart,i=e.options.animation;e.notifyPlugins("afterRender"),d(i&&i.onComplete,[t],e)}function Pn(t){const e=t.chart,i=e.options.animation;d(i&&i.onProgress,[t],e)}function Dn(t){return fe()&&"string"==typeof t?t=document.getElementById(t):t&&t.length&&(t=t[0]),t&&t.canvas&&(t=t.canvas),t}const Cn={},On=t=>{const e=Dn(t);return Object.values(Cn).filter((t=>t.canvas===e)).pop()};function An(t,e,i){const s=Object.keys(t);for(const n of s){const s=+n;if(s>=e){const o=t[n];delete t[n],(i>0||s>e)&&(t[s+i]=o)}}}class Tn{static defaults=ue;static instances=Cn;static overrides=re;static registry=nn;static version="4.5.1";static getChart=On;static register(...t){nn.add(...t),Ln()}static unregister(...t){nn.remove(...t),Ln()}constructor(t,e){const s=this.config=new _n(e),n=Dn(t),o=On(n);if(o)throw new Error("Canvas is already in use. Chart with ID '"+o.id+"' must be destroyed before the canvas with ID '"+o.canvas.id+"' can be reused.");const a=s.createResolver(s.chartOptionScopes(),this.getContext());this.platform=new(s.platform||Ps(n)),this.platform.updateConfig(s);const r=this.platform.acquireContext(n,a.aspectRatio),l=r&&r.canvas,h=l&&l.height,c=l&&l.width;this.id=i(),this.ctx=r,this.canvas=l,this.width=c,this.height=h,this._options=a,this._aspectRatio=this.aspectRatio,this._layers=[],this._metasets=[],this._stacks=void 0,this.boxes=[],this.currentDevicePixelRatio=void 0,this.chartArea=void 0,this._active=[],this._lastEvent=void 0,this._listeners={},this._responsiveListeners=void 0,this._sortedMetasets=[],this.scales={},this._plugins=new on,this.$proxies={},this._hiddenIndices={},this.attached=!1,this._animationsDisabled=void 0,this.$context=void 0,this._doResize=dt((t=>this.update(t)),a.resizeDelay||0),this._dataChanges=[],Cn[this.id]=this,r&&l?(bt.listen(this,"complete",Sn),bt.listen(this,"progress",Pn),this._initialize(),this.attached&&this.update()):console.error("Failed to create chart: can't acquire context from the given item")}get aspectRatio(){const{options:{aspectRatio:t,maintainAspectRatio:e},width:i,height:n,_aspectRatio:o}=this;return s(t)?e&&o?o:n?i/n:null:t}get data(){return this.config.data}set data(t){this.config.data=t}get options(){return this._options}set options(t){this.config.options=t}get registry(){return nn}_initialize(){return this.notifyPlugins("beforeInit"),this.options.responsive?this.resize():ke(this,this.options.devicePixelRatio),this.bindEvents(),this.notifyPlugins("afterInit"),this}clear(){return Te(this.canvas,this.ctx),this}stop(){return bt.stop(this),this}resize(t,e){bt.running(this)?this._resizeBeforeDraw={width:t,height:e}:this._resize(t,e)}_resize(t,e){const i=this.options,s=this.canvas,n=i.maintainAspectRatio&&this.aspectRatio,o=this.platform.getMaximumSize(s,t,e,n),a=i.devicePixelRatio||this.platform.getDevicePixelRatio(),r=this.width?"resize":"attach";this.width=o.width,this.height=o.height,this._aspectRatio=this.aspectRatio,ke(this,a,!0)&&(this.notifyPlugins("resize",{size:o}),d(i.onResize,[this,o],this),this.attached&&this._doResize(r)&&this.render())}ensureScalesHaveIDs(){u(this.options.scales||{},((t,e)=>{t.id=e}))}buildOrUpdateScales(){const t=this.options,e=t.scales,i=this.scales,s=Object.keys(i).reduce(((t,e)=>(t[e]=!1,t)),{});let n=[];e&&(n=n.concat(Object.keys(e).map((t=>{const i=e[t],s=cn(t,i),n="r"===s,o="x"===s;return{options:i,dposition:n?"chartArea":o?"bottom":"left",dtype:n?"radialLinear":o?"category":"linear"}})))),u(n,(e=>{const n=e.options,o=n.id,a=cn(o,n),r=l(n.type,e.dtype);void 0!==n.position&&wn(n.position,a)===wn(e.dposition)||(n.position=e.dposition),s[o]=!0;let h=null;if(o in i&&i[o].type===r)h=i[o];else{h=new(nn.getScale(r))({id:o,type:r,ctx:this.ctx,chart:this}),i[h.id]=h}h.init(n,t)})),u(s,((t,e)=>{t||delete i[e]})),u(i,(t=>{ls.configure(this,t,t.options),ls.addBox(this,t)}))}_updateMetasets(){const t=this._metasets,e=this.data.datasets.length,i=t.length;if(t.sort(((t,e)=>t.index-e.index)),i>e){for(let t=e;te.length&&delete this._stacks,t.forEach(((t,i)=>{0===e.filter((e=>e===t._dataset)).length&&this._destroyDatasetMeta(i)}))}buildOrUpdateControllers(){const t=[],e=this.data.datasets;let i,s;for(this._removeUnreferencedMetasets(),i=0,s=e.length;i{this.getDatasetMeta(e).controller.reset()}),this)}reset(){this._resetElements(),this.notifyPlugins("reset")}update(t){const e=this.config;e.update();const i=this._options=e.createResolver(e.chartOptionScopes(),this.getContext()),s=this._animationsDisabled=!i.animation;if(this._updateScales(),this._checkEventBindings(),this._updateHiddenIndices(),this._plugins.invalidate(),!1===this.notifyPlugins("beforeUpdate",{mode:t,cancelable:!0}))return;const n=this.buildOrUpdateControllers();this.notifyPlugins("beforeElementsUpdate");let o=0;for(let t=0,e=this.data.datasets.length;t{t.reset()})),this._updateDatasets(t),this.notifyPlugins("afterUpdate",{mode:t}),this._layers.sort(kn("z","_idx"));const{_active:a,_lastEvent:r}=this;r?this._eventHandler(r,!0):a.length&&this._updateHoverStyles(a,a,!0),this.render()}_updateScales(){u(this.scales,(t=>{ls.removeBox(this,t)})),this.ensureScalesHaveIDs(),this.buildOrUpdateScales()}_checkEventBindings(){const t=this.options,e=new Set(Object.keys(this._listeners)),i=new Set(t.events);P(e,i)&&!!this._responsiveListeners===t.responsive||(this.unbindEvents(),this.bindEvents())}_updateHiddenIndices(){const{_hiddenIndices:t}=this,e=this._getUniformDataChanges()||[];for(const{method:i,start:s,count:n}of e){An(t,s,"_removeElements"===i?-n:n)}}_getUniformDataChanges(){const t=this._dataChanges;if(!t||!t.length)return;this._dataChanges=[];const e=this.data.datasets.length,i=e=>new Set(t.filter((t=>t[0]===e)).map(((t,e)=>e+","+t.splice(1).join(",")))),s=i(0);for(let t=1;tt.split(","))).map((t=>({method:t[1],start:+t[2],count:+t[3]})))}_updateLayout(t){if(!1===this.notifyPlugins("beforeLayout",{cancelable:!0}))return;ls.update(this,this.width,this.height,t);const e=this.chartArea,i=e.width<=0||e.height<=0;this._layers=[],u(this.boxes,(t=>{i&&"chartArea"===t.position||(t.configure&&t.configure(),this._layers.push(...t._layers()))}),this),this._layers.forEach(((t,e)=>{t._idx=e})),this.notifyPlugins("afterLayout")}_updateDatasets(t){if(!1!==this.notifyPlugins("beforeDatasetsUpdate",{mode:t,cancelable:!0})){for(let t=0,e=this.data.datasets.length;t=0;--e)this._drawDataset(t[e]);this.notifyPlugins("afterDatasetsDraw")}_drawDataset(t){const e=this.ctx,i={meta:t,index:t.index,cancelable:!0},s=Ni(this,t);!1!==this.notifyPlugins("beforeDatasetDraw",i)&&(s&&Ie(e,s),t.controller.draw(),s&&ze(e),i.cancelable=!1,this.notifyPlugins("afterDatasetDraw",i))}isPointInArea(t){return Re(t,this.chartArea,this._minPadding)}getElementsAtEventForMode(t,e,i,s){const n=Ki.modes[e];return"function"==typeof n?n(this,t,i,s):[]}getDatasetMeta(t){const e=this.data.datasets[t],i=this._metasets;let s=i.filter((t=>t&&t._dataset===e)).pop();return s||(s={type:null,data:[],dataset:null,controller:null,hidden:null,xAxisID:null,yAxisID:null,order:e&&e.order||0,index:t,_dataset:e,_parsed:[],_sorted:!1},i.push(s)),s}getContext(){return this.$context||(this.$context=Ci(null,{chart:this,type:"chart"}))}getVisibleDatasetCount(){return this.getSortedVisibleDatasetMetas().length}isDatasetVisible(t){const e=this.data.datasets[t];if(!e)return!1;const i=this.getDatasetMeta(t);return"boolean"==typeof i.hidden?!i.hidden:!e.hidden}setDatasetVisibility(t,e){this.getDatasetMeta(t).hidden=!e}toggleDataVisibility(t){this._hiddenIndices[t]=!this._hiddenIndices[t]}getDataVisibility(t){return!this._hiddenIndices[t]}_updateVisibility(t,e,i){const s=i?"show":"hide",n=this.getDatasetMeta(t),o=n.controller._resolveAnimations(void 0,s);k(e)?(n.data[e].hidden=!i,this.update()):(this.setDatasetVisibility(t,i),o.update(n,{visible:i}),this.update((e=>e.datasetIndex===t?s:void 0)))}hide(t,e){this._updateVisibility(t,e,!1)}show(t,e){this._updateVisibility(t,e,!0)}_destroyDatasetMeta(t){const e=this._metasets[t];e&&e.controller&&e.controller._destroy(),delete this._metasets[t]}_stop(){let t,e;for(this.stop(),bt.remove(this),t=0,e=this.data.datasets.length;t{e.addEventListener(this,i,s),t[i]=s},s=(t,e,i)=>{t.offsetX=e,t.offsetY=i,this._eventHandler(t)};u(this.options.events,(t=>i(t,s)))}bindResponsiveEvents(){this._responsiveListeners||(this._responsiveListeners={});const t=this._responsiveListeners,e=this.platform,i=(i,s)=>{e.addEventListener(this,i,s),t[i]=s},s=(i,s)=>{t[i]&&(e.removeEventListener(this,i,s),delete t[i])},n=(t,e)=>{this.canvas&&this.resize(t,e)};let o;const a=()=>{s("attach",a),this.attached=!0,this.resize(),i("resize",n),i("detach",o)};o=()=>{this.attached=!1,s("resize",n),this._stop(),this._resize(0,0),i("attach",a)},e.isAttached(this.canvas)?a():o()}unbindEvents(){u(this._listeners,((t,e)=>{this.platform.removeEventListener(this,e,t)})),this._listeners={},u(this._responsiveListeners,((t,e)=>{this.platform.removeEventListener(this,e,t)})),this._responsiveListeners=void 0}updateHoverStyle(t,e,i){const s=i?"set":"remove";let n,o,a,r;for("dataset"===e&&(n=this.getDatasetMeta(t[0].datasetIndex),n.controller["_"+s+"DatasetHoverStyle"]()),a=0,r=t.length;a{const i=this.getDatasetMeta(t);if(!i)throw new Error("No dataset found at index "+t);return{datasetIndex:t,element:i.data[e],index:e}}));!f(i,e)&&(this._active=i,this._lastEvent=null,this._updateHoverStyles(i,e))}notifyPlugins(t,e,i){return this._plugins.notify(this,t,e,i)}isPluginEnabled(t){return 1===this._plugins._cache.filter((e=>e.plugin.id===t)).length}_updateHoverStyles(t,e,i){const s=this.options.hover,n=(t,e)=>t.filter((t=>!e.some((e=>t.datasetIndex===e.datasetIndex&&t.index===e.index)))),o=n(e,t),a=i?t:n(t,e);o.length&&this.updateHoverStyle(o,s.mode,!1),a.length&&s.mode&&this.updateHoverStyle(a,s.mode,!0)}_eventHandler(t,e){const i={event:t,replay:e,cancelable:!0,inChartArea:this.isPointInArea(t)},s=e=>(e.options.events||this.options.events).includes(t.native.type);if(!1===this.notifyPlugins("beforeEvent",i,s))return;const n=this._handleEvent(t,e,i.inChartArea);return i.cancelable=!1,this.notifyPlugins("afterEvent",i,s),(n||i.changed)&&this.render(),this}_handleEvent(t,e,i){const{_active:s=[],options:n}=this,o=e,a=this._getActiveElements(t,s,i,o),r=D(t),l=function(t,e,i,s){return i&&"mouseout"!==t.type?s?e:t:null}(t,this._lastEvent,i,r);i&&(this._lastEvent=null,d(n.onHover,[t,a,this],this),r&&d(n.onClick,[t,a,this],this));const h=!f(a,s);return(h||e)&&(this._active=a,this._updateHoverStyles(a,s,e)),this._lastEvent=l,h}_getActiveElements(t,e,i,s){if("mouseout"===t.type)return[];if(!i)return e;const n=this.options.hover;return this.getElementsAtEventForMode(t,n.mode,n,s)}}function Ln(){return u(Tn.instances,(t=>t._plugins.invalidate()))}function En(){throw new Error("This method is not implemented: Check that a complete date adapter is provided.")}class Rn{static override(t){Object.assign(Rn.prototype,t)}options;constructor(t){this.options=t||{}}init(){}formats(){return En()}parse(){return En()}format(){return En()}add(){return En()}diff(){return En()}startOf(){return En()}endOf(){return En()}}var In={_date:Rn};function zn(t){const e=t.iScale,i=function(t,e){if(!t._cache.$bar){const i=t.getMatchingVisibleMetas(e);let s=[];for(let e=0,n=i.length;et-e)))}return t._cache.$bar}(e,t.type);let s,n,o,a,r=e._length;const l=()=>{32767!==o&&-32768!==o&&(k(a)&&(r=Math.min(r,Math.abs(o-a)||r)),a=o)};for(s=0,n=i.length;sMath.abs(r)&&(l=r,h=a),e[i.axis]=h,e._custom={barStart:l,barEnd:h,start:n,end:o,min:a,max:r}}(t,e,i,s):e[i.axis]=i.parse(t,s),e}function Vn(t,e,i,s){const n=t.iScale,o=t.vScale,a=n.getLabels(),r=n===o,l=[];let h,c,d,u;for(h=i,c=i+s;ht.x,i="left",s="right"):(e=t.base"spacing"!==t,_indexable:t=>"spacing"!==t&&!t.startsWith("borderDash")&&!t.startsWith("hoverBorderDash")};static overrides={aspectRatio:1,plugins:{legend:{labels:{generateLabels(t){const e=t.data,{labels:{pointStyle:i,textAlign:s,color:n,useBorderRadius:o,borderRadius:a}}=t.legend.options;return e.labels.length&&e.datasets.length?e.labels.map(((e,r)=>{const l=t.getDatasetMeta(0).controller.getStyle(r);return{text:e,fillStyle:l.backgroundColor,fontColor:n,hidden:!t.getDataVisibility(r),lineDash:l.borderDash,lineDashOffset:l.borderDashOffset,lineJoin:l.borderJoinStyle,lineWidth:l.borderWidth,strokeStyle:l.borderColor,textAlign:s,pointStyle:i,borderRadius:o&&(a||l.borderRadius),index:r}})):[]}},onClick(t,e,i){i.chart.toggleDataVisibility(e.index),i.chart.update()}}}};constructor(t,e){super(t,e),this.enableOptionSharing=!0,this.innerRadius=void 0,this.outerRadius=void 0,this.offsetX=void 0,this.offsetY=void 0}linkScales(){}parse(t,e){const i=this.getDataset().data,s=this._cachedMeta;if(!1===this._parsing)s._parsed=i;else{let n,a,r=t=>+i[t];if(o(i[t])){const{key:t="value"}=this._parsing;r=e=>+M(i[e],t)}for(n=t,a=t+e;nJ(t,r,l,!0)?1:Math.max(e,e*i,s,s*i),g=(t,e,s)=>J(t,r,l,!0)?-1:Math.min(e,e*i,s,s*i),p=f(0,h,d),m=f(E,c,u),x=g(C,h,d),b=g(C+E,c,u);s=(p-x)/2,n=(m-b)/2,o=-(p+x)/2,a=-(m+b)/2}return{ratioX:s,ratioY:n,offsetX:o,offsetY:a}}(u,d,r),x=(i.width-o)/f,b=(i.height-o)/g,_=Math.max(Math.min(x,b)/2,0),y=c(this.options.radius,_),v=(y-Math.max(y*r,0))/this._getVisibleDatasetWeightTotal();this.offsetX=p*y,this.offsetY=m*y,s.total=this.calculateTotal(),this.outerRadius=y-v*this._getRingWeightOffset(this.index),this.innerRadius=Math.max(this.outerRadius-v*l,0),this.updateElements(n,0,n.length,t)}_circumference(t,e){const i=this.options,s=this._cachedMeta,n=this._getCircumference();return e&&i.animation.animateRotate||!this.chart.getDataVisibility(t)||null===s._parsed[t]||s.data[t].hidden?0:this.calculateCircumference(s._parsed[t]*n/O)}updateElements(t,e,i,s){const n="reset"===s,o=this.chart,a=o.chartArea,r=o.options.animation,l=(a.left+a.right)/2,h=(a.top+a.bottom)/2,c=n&&r.animateScale,d=c?0:this.innerRadius,u=c?0:this.outerRadius,{sharedOptions:f,includeOptions:g}=this._getSharedOptions(e,s);let p,m=this._getRotation();for(p=0;p0&&!isNaN(t)?O*(Math.abs(t)/e):0}getLabelAndValue(t){const e=this._cachedMeta,i=this.chart,s=i.data.labels||[],n=ne(e._parsed[t],i.options.locale);return{label:s[t]||"",value:n}}getMaxBorderWidth(t){let e=0;const i=this.chart;let s,n,o,a,r;if(!t)for(s=0,n=i.data.datasets.length;s{const 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s=this.getParsed(i).r;!isNaN(s)&&this.chart.getDataVisibility(i)&&(se.max&&(e.max=s))})),e}_updateRadius(){const t=this.chart,e=t.chartArea,i=t.options,s=Math.min(e.right-e.left,e.bottom-e.top),n=Math.max(s/2,0),o=(n-Math.max(i.cutoutPercentage?n/100*i.cutoutPercentage:1,0))/t.getVisibleDatasetCount();this.outerRadius=n-o*this.index,this.innerRadius=this.outerRadius-o}updateElements(t,e,i,s){const n="reset"===s,o=this.chart,a=o.options.animation,r=this._cachedMeta.rScale,l=r.xCenter,h=r.yCenter,c=r.getIndexAngle(0)-.5*C;let d,u=c;const f=360/this.countVisibleElements();for(d=0;d{!isNaN(this.getParsed(i).r)&&this.chart.getDataVisibility(i)&&e++})),e}_computeAngle(t,e,i){return this.chart.getDataVisibility(t)?$(this.resolveDataElementOptions(t,e).angle||i):0}}var Un=Object.freeze({__proto__:null,BarController:class extends js{static id="bar";static 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qn(t,e,i,s){return{x:i+t*Math.cos(e),y:s+t*Math.sin(e)}}function Kn(t,e,i,s,n,o){const{x:a,y:r,startAngle:l,pixelMargin:h,innerRadius:c}=e,d=Math.max(e.outerRadius+s+i-h,0),u=c>0?c+s+i+h:0;let f=0;const g=n-l;if(s){const t=((c>0?c-s:0)+(d>0?d-s:0))/2;f=(g-(0!==t?g*t/(t+s):g))/2}const p=(g-Math.max(.001,g*d-i/C)/d)/2,m=l+p+f,x=n-p-f,{outerStart:b,outerEnd:_,innerStart:y,innerEnd:v}=Xn(e,u,d,x-m),M=d-b,w=d-_,k=m+b/M,S=x-_/w,P=u+y,D=u+v,O=m+y/P,A=x-v/D;if(t.beginPath(),o){const e=(k+S)/2;if(t.arc(a,r,d,k,e),t.arc(a,r,d,e,S),_>0){const e=qn(w,S,a,r);t.arc(e.x,e.y,_,S,x+E)}const i=qn(D,x,a,r);if(t.lineTo(i.x,i.y),v>0){const e=qn(D,A,a,r);t.arc(e.x,e.y,v,x+E,A+Math.PI)}const s=(x-v/u+(m+y/u))/2;if(t.arc(a,r,u,x-v/u,s,!0),t.arc(a,r,u,s,m+y/u,!0),y>0){const e=qn(P,O,a,r);t.arc(e.x,e.y,y,O+Math.PI,m-E)}const n=qn(M,m,a,r);if(t.lineTo(n.x,n.y),b>0){const e=qn(M,k,a,r);t.arc(e.x,e.y,b,m-E,k)}}else{t.moveTo(a,r);const e=Math.cos(k)*d+a,i=Math.sin(k)*d+r;t.lineTo(e,i);const 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descriptors={_scriptable:!0,_indexable:t=>"borderDash"!==t&&"fill"!==t};constructor(t){super(),this.animated=!0,this.options=void 0,this._chart=void 0,this._loop=void 0,this._fullLoop=void 0,this._path=void 0,this._points=void 0,this._segments=void 0,this._decimated=!1,this._pointsUpdated=!1,this._datasetIndex=void 0,t&&Object.assign(this,t)}updateControlPoints(t,e){const i=this.options;if((i.tension||"monotone"===i.cubicInterpolationMode)&&!i.stepped&&!this._pointsUpdated){const s=i.spanGaps?this._loop:this._fullLoop;hi(this._points,i,t,s,e),this._pointsUpdated=!0}}set points(t){this._points=t,delete this._segments,delete this._path,this._pointsUpdated=!1}get points(){return this._points}get segments(){return this._segments||(this._segments=zi(this,this.options.segment))}first(){const t=this.segments,e=this.points;return t.length&&e[t[0].start]}last(){const t=this.segments,e=this.points,i=t.length;return i&&e[t[i-1].end]}interpolate(t,e){const i=this.options,s=t[e],n=this.points,o=Ii(this,{property:e,start:s,end:s});if(!o.length)return;const a=[],r=function(t){return t.stepped?pi:t.tension||"monotone"===t.cubicInterpolationMode?mi:gi}(i);let l,h;for(l=0,h=o.length;l"borderDash"!==t};circumference;endAngle;fullCircles;innerRadius;outerRadius;pixelMargin;startAngle;constructor(t){super(),this.options=void 0,this.circumference=void 0,this.startAngle=void 0,this.endAngle=void 0,this.innerRadius=void 0,this.outerRadius=void 0,this.pixelMargin=0,this.fullCircles=0,t&&Object.assign(this,t)}inRange(t,e,i){const s=this.getProps(["x","y"],i),{angle:n,distance:o}=X(s,{x:t,y:e}),{startAngle:a,endAngle:r,innerRadius:h,outerRadius:c,circumference:d}=this.getProps(["startAngle","endAngle","innerRadius","outerRadius","circumference"],i),u=(this.options.spacing+this.options.borderWidth)/2,f=l(d,r-a),g=J(n,a,r)&&a!==r,p=f>=O||g,m=tt(o,h+u,c+u);return p&&m}getCenterPoint(t){const{x:e,y:i,startAngle:s,endAngle:n,innerRadius:o,outerRadius:a}=this.getProps(["x","y","startAngle","endAngle","innerRadius","outerRadius"],t),{offset:r,spacing:l}=this.options,h=(s+n)/2,c=(o+a+l+r)/2;return{x:e+Math.cos(h)*c,y:i+Math.sin(h)*c}}tooltipPosition(t){return this.getCenterPoint(t)}draw(t){const{options:e,circumference:i}=this,s=(e.offset||0)/4,n=(e.spacing||0)/2,o=e.circular;if(this.pixelMargin="inner"===e.borderAlign?.33:0,this.fullCircles=i>O?Math.floor(i/O):0,0===i||this.innerRadius<0||this.outerRadius<0)return;t.save();const a=(this.startAngle+this.endAngle)/2;t.translate(Math.cos(a)*s,Math.sin(a)*s);const r=s*(1-Math.sin(Math.min(C,i||0)));t.fillStyle=e.backgroundColor,t.strokeStyle=e.borderColor,function(t,e,i,s,n){const{fullCircles:o,startAngle:a,circumference:r}=e;let l=e.endAngle;if(o){Kn(t,e,i,s,l,n);for(let e=0;e("string"==typeof e?(i=t.push(e)-1,s.unshift({index:i,label:e})):isNaN(e)&&(i=null),i))(t,e,i,s);return n!==t.lastIndexOf(e)?i:n}function mo(t){const e=this.getLabels();return t>=0&&ts=e?s:t,a=t=>n=i?n:t;if(t){const t=F(s),e=F(n);t<0&&e<0?a(0):t>0&&e>0&&o(0)}if(s===n){let e=0===n?1:Math.abs(.05*n);a(n+e),t||o(s-e)}this.min=s,this.max=n}getTickLimit(){const t=this.options.ticks;let e,{maxTicksLimit:i,stepSize:s}=t;return s?(e=Math.ceil(this.max/s)-Math.floor(this.min/s)+1,e>1e3&&(console.warn(`scales.${this.id}.ticks.stepSize: ${s} would result generating up to ${e} ticks. Limiting to 1000.`),e=1e3)):(e=this.computeTickLimit(),i=i||11),i&&(e=Math.min(i,e)),e}computeTickLimit(){return Number.POSITIVE_INFINITY}buildTicks(){const t=this.options,e=t.ticks;let i=this.getTickLimit();i=Math.max(2,i);const n=function(t,e){const i=[],{bounds:n,step:o,min:a,max:r,precision:l,count:h,maxTicks:c,maxDigits:d,includeBounds:u}=t,f=o||1,g=c-1,{min:p,max:m}=e,x=!s(a),b=!s(r),_=!s(h),y=(m-p)/(d+1);let v,M,w,k,S=B((m-p)/g/f)*f;if(S<1e-14&&!x&&!b)return[{value:p},{value:m}];k=Math.ceil(m/S)-Math.floor(p/S),k>g&&(S=B(k*S/g/f)*f),s(l)||(v=Math.pow(10,l),S=Math.ceil(S*v)/v),"ticks"===n?(M=Math.floor(p/S)*S,w=Math.ceil(m/S)*S):(M=p,w=m),x&&b&&o&&H((r-a)/o,S/1e3)?(k=Math.round(Math.min((r-a)/S,c)),S=(r-a)/k,M=a,w=r):_?(M=x?a:M,w=b?r:w,k=h-1,S=(w-M)/k):(k=(w-M)/S,k=V(k,Math.round(k),S/1e3)?Math.round(k):Math.ceil(k));const P=Math.max(U(S),U(M));v=Math.pow(10,s(l)?P:l),M=Math.round(M*v)/v,w=Math.round(w*v)/v;let D=0;for(x&&(u&&M!==a?(i.push({value:a}),Mr)break;i.push({value:t})}return b&&u&&w!==r?i.length&&V(i[i.length-1].value,r,xo(r,y,t))?i[i.length-1].value=r:i.push({value:r}):b&&w!==r||i.push({value:w}),i}({maxTicks:i,bounds:t.bounds,min:t.min,max:t.max,precision:e.precision,step:e.stepSize,count:e.count,maxDigits:this._maxDigits(),horizontal:this.isHorizontal(),minRotation:e.minRotation||0,includeBounds:!1!==e.includeBounds},this._range||this);return"ticks"===t.bounds&&j(n,this,"value"),t.reverse?(n.reverse(),this.start=this.max,this.end=this.min):(this.start=this.min,this.end=this.max),n}configure(){const t=this.ticks;let e=this.min,i=this.max;if(super.configure(),this.options.offset&&t.length){const s=(i-e)/Math.max(t.length-1,1)/2;e-=s,i+=s}this._startValue=e,this._endValue=i,this._valueRange=i-e}getLabelForValue(t){return ne(t,this.chart.options.locale,this.options.ticks.format)}}class _o extends bo{static id="linear";static defaults={ticks:{callback:ae.formatters.numeric}};determineDataLimits(){const{min:t,max:e}=this.getMinMax(!0);this.min=a(t)?t:0,this.max=a(e)?e:1,this.handleTickRangeOptions()}computeTickLimit(){const t=this.isHorizontal(),e=t?this.width:this.height,i=$(this.options.ticks.minRotation),s=(t?Math.sin(i):Math.cos(i))||.001,n=this._resolveTickFontOptions(0);return Math.ceil(e/Math.min(40,n.lineHeight/s))}getPixelForValue(t){return null===t?NaN:this.getPixelForDecimal((t-this._startValue)/this._valueRange)}getValueForPixel(t){return this._startValue+this.getDecimalForPixel(t)*this._valueRange}}const yo=t=>Math.floor(z(t)),vo=(t,e)=>Math.pow(10,yo(t)+e);function Mo(t){return 1===t/Math.pow(10,yo(t))}function wo(t,e,i){const s=Math.pow(10,i),n=Math.floor(t/s);return Math.ceil(e/s)-n}function ko(t,{min:e,max:i}){e=r(t.min,e);const s=[],n=yo(e);let o=function(t,e){let i=yo(e-t);for(;wo(t,e,i)>10;)i++;for(;wo(t,e,i)<10;)i--;return Math.min(i,yo(t))}(e,i),a=o<0?Math.pow(10,Math.abs(o)):1;const l=Math.pow(10,o),h=n>o?Math.pow(10,n):0,c=Math.round((e-h)*a)/a,d=Math.floor((e-h)/l/10)*l*10;let u=Math.floor((c-d)/Math.pow(10,o)),f=r(t.min,Math.round((h+d+u*Math.pow(10,o))*a)/a);for(;f=10?u=u<15?15:20:u++,u>=20&&(o++,u=2,a=o>=0?1:a),f=Math.round((h+d+u*Math.pow(10,o))*a)/a;const g=r(t.max,f);return s.push({value:g,major:Mo(g),significand:u}),s}class So extends tn{static id="logarithmic";static defaults={ticks:{callback:ae.formatters.logarithmic,major:{enabled:!0}}};constructor(t){super(t),this.start=void 0,this.end=void 0,this._startValue=void 0,this._valueRange=0}parse(t,e){const i=bo.prototype.parse.apply(this,[t,e]);if(0!==i)return a(i)&&i>0?i:null;this._zero=!0}determineDataLimits(){const{min:t,max:e}=this.getMinMax(!0);this.min=a(t)?Math.max(0,t):null,this.max=a(e)?Math.max(0,e):null,this.options.beginAtZero&&(this._zero=!0),this._zero&&this.min!==this._suggestedMin&&!a(this._userMin)&&(this.min=t===vo(this.min,0)?vo(this.min,-1):vo(this.min,0)),this.handleTickRangeOptions()}handleTickRangeOptions(){const{minDefined:t,maxDefined:e}=this.getUserBounds();let i=this.min,s=this.max;const n=e=>i=t?i:e,o=t=>s=e?s:t;i===s&&(i<=0?(n(1),o(10)):(n(vo(i,-1)),o(vo(s,1)))),i<=0&&n(vo(s,-1)),s<=0&&o(vo(i,1)),this.min=i,this.max=s}buildTicks(){const t=this.options,e=ko({min:this._userMin,max:this._userMax},this);return"ticks"===t.bounds&&j(e,this,"value"),t.reverse?(e.reverse(),this.start=this.max,this.end=this.min):(this.start=this.min,this.end=this.max),e}getLabelForValue(t){return void 0===t?"0":ne(t,this.chart.options.locale,this.options.ticks.format)}configure(){const t=this.min;super.configure(),this._startValue=z(t),this._valueRange=z(this.max)-z(t)}getPixelForValue(t){return void 0!==t&&0!==t||(t=this.min),null===t||isNaN(t)?NaN:this.getPixelForDecimal(t===this.min?0:(z(t)-this._startValue)/this._valueRange)}getValueForPixel(t){const e=this.getDecimalForPixel(t);return Math.pow(10,this._startValue+e*this._valueRange)}}function Po(t){const e=t.ticks;if(e.display&&t.display){const t=ki(e.backdropPadding);return l(e.font&&e.font.size,ue.font.size)+t.height}return 0}function Do(t,e,i,s,n){return t===s||t===n?{start:e-i/2,end:e+i/2}:tn?{start:e-i,end:e}:{start:e,end:e+i}}function Co(t){const e={l:t.left+t._padding.left,r:t.right-t._padding.right,t:t.top+t._padding.top,b:t.bottom-t._padding.bottom},i=Object.assign({},e),s=[],o=[],a=t._pointLabels.length,r=t.options.pointLabels,l=r.centerPointLabels?C/a:0;for(let u=0;ue.r&&(r=(s.end-e.r)/o,t.r=Math.max(t.r,e.r+r)),n.starte.b&&(l=(n.end-e.b)/a,t.b=Math.max(t.b,e.b+l))}function Ao(t,e,i){const s=t.drawingArea,{extra:n,additionalAngle:o,padding:a,size:r}=i,l=t.getPointPosition(e,s+n+a,o),h=Math.round(Y(G(l.angle+E))),c=function(t,e,i){90===i||270===i?t-=e/2:(i>270||i<90)&&(t-=e);return t}(l.y,r.h,h),d=function(t){if(0===t||180===t)return"center";if(t<180)return"left";return"right"}(h),u=function(t,e,i){"right"===i?t-=e:"center"===i&&(t-=e/2);return t}(l.x,r.w,d);return{visible:!0,x:l.x,y:c,textAlign:d,left:u,top:c,right:u+r.w,bottom:c+r.h}}function To(t,e){if(!e)return!0;const{left:i,top:s,right:n,bottom:o}=t;return!(Re({x:i,y:s},e)||Re({x:i,y:o},e)||Re({x:n,y:s},e)||Re({x:n,y:o},e))}function Lo(t,e,i){const{left:n,top:o,right:a,bottom:r}=i,{backdropColor:l}=e;if(!s(l)){const i=wi(e.borderRadius),s=ki(e.backdropPadding);t.fillStyle=l;const h=n-s.left,c=o-s.top,d=a-n+s.width,u=r-o+s.height;Object.values(i).some((t=>0!==t))?(t.beginPath(),He(t,{x:h,y:c,w:d,h:u,radius:i}),t.fill()):t.fillRect(h,c,d,u)}}function Eo(t,e,i,s){const{ctx:n}=t;if(i)n.arc(t.xCenter,t.yCenter,e,0,O);else{let i=t.getPointPosition(0,e);n.moveTo(i.x,i.y);for(let o=1;ot,padding:5,centerPointLabels:!1}};static defaultRoutes={"angleLines.color":"borderColor","pointLabels.color":"color","ticks.color":"color"};static descriptors={angleLines:{_fallback:"grid"}};constructor(t){super(t),this.xCenter=void 0,this.yCenter=void 0,this.drawingArea=void 0,this._pointLabels=[],this._pointLabelItems=[]}setDimensions(){const t=this._padding=ki(Po(this.options)/2),e=this.width=this.maxWidth-t.width,i=this.height=this.maxHeight-t.height;this.xCenter=Math.floor(this.left+e/2+t.left),this.yCenter=Math.floor(this.top+i/2+t.top),this.drawingArea=Math.floor(Math.min(e,i)/2)}determineDataLimits(){const{min:t,max:e}=this.getMinMax(!1);this.min=a(t)&&!isNaN(t)?t:0,this.max=a(e)&&!isNaN(e)?e:0,this.handleTickRangeOptions()}computeTickLimit(){return Math.ceil(this.drawingArea/Po(this.options))}generateTickLabels(t){bo.prototype.generateTickLabels.call(this,t),this._pointLabels=this.getLabels().map(((t,e)=>{const i=d(this.options.pointLabels.callback,[t,e],this);return i||0===i?i:""})).filter(((t,e)=>this.chart.getDataVisibility(e)))}fit(){const t=this.options;t.display&&t.pointLabels.display?Co(this):this.setCenterPoint(0,0,0,0)}setCenterPoint(t,e,i,s){this.xCenter+=Math.floor((t-e)/2),this.yCenter+=Math.floor((i-s)/2),this.drawingArea-=Math.min(this.drawingArea/2,Math.max(t,e,i,s))}getIndexAngle(t){return G(t*(O/(this._pointLabels.length||1))+$(this.options.startAngle||0))}getDistanceFromCenterForValue(t){if(s(t))return NaN;const e=this.drawingArea/(this.max-this.min);return this.options.reverse?(this.max-t)*e:(t-this.min)*e}getValueForDistanceFromCenter(t){if(s(t))return NaN;const e=t/(this.drawingArea/(this.max-this.min));return this.options.reverse?this.max-e:this.min+e}getPointLabelContext(t){const e=this._pointLabels||[];if(t>=0&&t=0;n--){const e=t._pointLabelItems[n];if(!e.visible)continue;const o=s.setContext(t.getPointLabelContext(n));Lo(i,o,e);const a=Si(o.font),{x:r,y:l,textAlign:h}=e;Ne(i,t._pointLabels[n],r,l+a.lineHeight/2,a,{color:o.color,textAlign:h,textBaseline:"middle"})}}(this,o),s.display&&this.ticks.forEach(((t,e)=>{if(0!==e||0===e&&this.min<0){r=this.getDistanceFromCenterForValue(t.value);const i=this.getContext(e),a=s.setContext(i),l=n.setContext(i);!function(t,e,i,s,n){const o=t.ctx,a=e.circular,{color:r,lineWidth:l}=e;!a&&!s||!r||!l||i<0||(o.save(),o.strokeStyle=r,o.lineWidth=l,o.setLineDash(n.dash||[]),o.lineDashOffset=n.dashOffset,o.beginPath(),Eo(t,i,a,s),o.closePath(),o.stroke(),o.restore())}(this,a,r,o,l)}})),i.display){for(t.save(),a=o-1;a>=0;a--){const s=i.setContext(this.getPointLabelContext(a)),{color:n,lineWidth:o}=s;o&&n&&(t.lineWidth=o,t.strokeStyle=n,t.setLineDash(s.borderDash),t.lineDashOffset=s.borderDashOffset,r=this.getDistanceFromCenterForValue(e.reverse?this.min:this.max),l=this.getPointPosition(a,r),t.beginPath(),t.moveTo(this.xCenter,this.yCenter),t.lineTo(l.x,l.y),t.stroke())}t.restore()}}drawBorder(){}drawLabels(){const t=this.ctx,e=this.options,i=e.ticks;if(!i.display)return;const s=this.getIndexAngle(0);let n,o;t.save(),t.translate(this.xCenter,this.yCenter),t.rotate(s),t.textAlign="center",t.textBaseline="middle",this.ticks.forEach(((s,a)=>{if(0===a&&this.min>=0&&!e.reverse)return;const r=i.setContext(this.getContext(a)),l=Si(r.font);if(n=this.getDistanceFromCenterForValue(this.ticks[a].value),r.showLabelBackdrop){t.font=l.string,o=t.measureText(s.label).width,t.fillStyle=r.backdropColor;const e=ki(r.backdropPadding);t.fillRect(-o/2-e.left,-n-l.size/2-e.top,o+e.width,l.size+e.height)}Ne(t,s.label,0,-n,l,{color:r.color,strokeColor:r.textStrokeColor,strokeWidth:r.textStrokeWidth})})),t.restore()}drawTitle(){}}const Io={millisecond:{common:!0,size:1,steps:1e3},second:{common:!0,size:1e3,steps:60},minute:{common:!0,size:6e4,steps:60},hour:{common:!0,size:36e5,steps:24},day:{common:!0,size:864e5,steps:30},week:{common:!1,size:6048e5,steps:4},month:{common:!0,size:2628e6,steps:12},quarter:{common:!1,size:7884e6,steps:4},year:{common:!0,size:3154e7}},zo=Object.keys(Io);function Fo(t,e){return t-e}function Vo(t,e){if(s(e))return null;const i=t._adapter,{parser:n,round:o,isoWeekday:r}=t._parseOpts;let l=e;return"function"==typeof n&&(l=n(l)),a(l)||(l="string"==typeof n?i.parse(l,n):i.parse(l)),null===l?null:(o&&(l="week"!==o||!N(r)&&!0!==r?i.startOf(l,o):i.startOf(l,"isoWeek",r)),+l)}function Bo(t,e,i,s){const n=zo.length;for(let o=zo.indexOf(t);o=e?i[s]:i[n]]=!0}}else t[e]=!0}function No(t,e,i){const s=[],n={},o=e.length;let a,r;for(a=0;a=0&&(e[l].major=!0);return e}(t,s,n,i):s}class Ho extends tn{static id="time";static defaults={bounds:"data",adapters:{},time:{parser:!1,unit:!1,round:!1,isoWeekday:!1,minUnit:"millisecond",displayFormats:{}},ticks:{source:"auto",callback:!1,major:{enabled:!1}}};constructor(t){super(t),this._cache={data:[],labels:[],all:[]},this._unit="day",this._majorUnit=void 0,this._offsets={},this._normalized=!1,this._parseOpts=void 0}init(t,e={}){const i=t.time||(t.time={}),s=this._adapter=new In._date(t.adapters.date);s.init(e),b(i.displayFormats,s.formats()),this._parseOpts={parser:i.parser,round:i.round,isoWeekday:i.isoWeekday},super.init(t),this._normalized=e.normalized}parse(t,e){return void 0===t?null:Vo(this,t)}beforeLayout(){super.beforeLayout(),this._cache={data:[],labels:[],all:[]}}determineDataLimits(){const t=this.options,e=this._adapter,i=t.time.unit||"day";let{min:s,max:n,minDefined:o,maxDefined:r}=this.getUserBounds();function l(t){o||isNaN(t.min)||(s=Math.min(s,t.min)),r||isNaN(t.max)||(n=Math.max(n,t.max))}o&&r||(l(this._getLabelBounds()),"ticks"===t.bounds&&"labels"===t.ticks.source||l(this.getMinMax(!1))),s=a(s)&&!isNaN(s)?s:+e.startOf(Date.now(),i),n=a(n)&&!isNaN(n)?n:+e.endOf(Date.now(),i)+1,this.min=Math.min(s,n-1),this.max=Math.max(s+1,n)}_getLabelBounds(){const t=this.getLabelTimestamps();let e=Number.POSITIVE_INFINITY,i=Number.NEGATIVE_INFINITY;return t.length&&(e=t[0],i=t[t.length-1]),{min:e,max:i}}buildTicks(){const t=this.options,e=t.time,i=t.ticks,s="labels"===i.source?this.getLabelTimestamps():this._generate();"ticks"===t.bounds&&s.length&&(this.min=this._userMin||s[0],this.max=this._userMax||s[s.length-1]);const n=this.min,o=nt(s,n,this.max);return this._unit=e.unit||(i.autoSkip?Bo(e.minUnit,this.min,this.max,this._getLabelCapacity(n)):function(t,e,i,s,n){for(let o=zo.length-1;o>=zo.indexOf(i);o--){const i=zo[o];if(Io[i].common&&t._adapter.diff(n,s,i)>=e-1)return i}return zo[i?zo.indexOf(i):0]}(this,o.length,e.minUnit,this.min,this.max)),this._majorUnit=i.major.enabled&&"year"!==this._unit?function(t){for(let e=zo.indexOf(t)+1,i=zo.length;e+t.value)))}initOffsets(t=[]){let e,i,s=0,n=0;this.options.offset&&t.length&&(e=this.getDecimalForValue(t[0]),s=1===t.length?1-e:(this.getDecimalForValue(t[1])-e)/2,i=this.getDecimalForValue(t[t.length-1]),n=1===t.length?i:(i-this.getDecimalForValue(t[t.length-2]))/2);const o=t.length<3?.5:.25;s=Z(s,0,o),n=Z(n,0,o),this._offsets={start:s,end:n,factor:1/(s+1+n)}}_generate(){const t=this._adapter,e=this.min,i=this.max,s=this.options,n=s.time,o=n.unit||Bo(n.minUnit,e,i,this._getLabelCapacity(e)),a=l(s.ticks.stepSize,1),r="week"===o&&n.isoWeekday,h=N(r)||!0===r,c={};let d,u,f=e;if(h&&(f=+t.startOf(f,"isoWeek",r)),f=+t.startOf(f,h?"day":o),t.diff(i,e,o)>1e5*a)throw new Error(e+" and "+i+" are too far apart with stepSize of "+a+" "+o);const g="data"===s.ticks.source&&this.getDataTimestamps();for(d=f,u=0;d+t))}getLabelForValue(t){const e=this._adapter,i=this.options.time;return i.tooltipFormat?e.format(t,i.tooltipFormat):e.format(t,i.displayFormats.datetime)}format(t,e){const i=this.options.time.displayFormats,s=this._unit,n=e||i[s];return this._adapter.format(t,n)}_tickFormatFunction(t,e,i,s){const n=this.options,o=n.ticks.callback;if(o)return d(o,[t,e,i],this);const a=n.time.displayFormats,r=this._unit,l=this._majorUnit,h=r&&a[r],c=l&&a[l],u=i[e],f=l&&c&&u&&u.major;return this._adapter.format(t,s||(f?c:h))}generateTickLabels(t){let e,i,s;for(e=0,i=t.length;e0?a:1}getDataTimestamps(){let t,e,i=this._cache.data||[];if(i.length)return i;const s=this.getMatchingVisibleMetas();if(this._normalized&&s.length)return 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c=t.scales[l.xAxisID];if("linear"!==c.type&&"time"!==c.type)return;if(t.options.parsing)return;let{start:d,count:u}=function(t,e){const i=e.length;let s,n=0;const{iScale:o}=t,{min:a,max:r,minDefined:l,maxDefined:h}=o.getUserBounds();return l&&(n=Z(it(e,o.axis,a).lo,0,i-1)),s=h?Z(it(e,o.axis,r).hi+1,n,i)-n:i-n,{start:n,count:s}}(l,h);if(u<=(i.threshold||4*n))return void Zo(e);let f;switch(s(a)&&(e._data=h,delete e.data,Object.defineProperty(e,"data",{configurable:!0,enumerable:!0,get:function(){return this._decimated},set:function(t){this._data=t}})),i.algorithm){case"lttb":f=function(t,e,i,s,n){const o=n.samples||s;if(o>=i)return t.slice(e,e+i);const a=[],r=(i-2)/(o-2);let l=0;const h=e+i-1;let c,d,u,f,g,p=e;for(a[l++]=t[p],c=0;cu&&(u=f,d=t[s],g=s);a[l++]=d,p=g}return a[l++]=t[h],a}(h,d,u,n,i);break;case"min-max":f=function(t,e,i,n){let o,a,r,l,h,c,d,u,f,g,p=0,m=0;const x=[],b=e+i-1,_=t[e].x,y=t[b].x-_;for(o=e;og&&(g=l,d=o),p=(m*p+a.x)/++m;else{const i=o-1;if(!s(c)&&!s(d)){const 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aa(t,e,i){let s=t[e].fill;const n=[e];let o;if(!i)return s;for(;!1!==s&&-1===n.indexOf(s);){if(!a(s))return s;if(o=t[s],!o)return!1;if(o.visible)return s;n.push(s),s=o.fill}return!1}function ra(t,e,i){const s=function(t){const e=t.options,i=e.fill;let s=l(i&&i.target,i);void 0===s&&(s=!!e.backgroundColor);if(!1===s||null===s)return!1;if(!0===s)return"origin";return s}(t);if(o(s))return!isNaN(s.value)&&s;let n=parseFloat(s);return a(n)&&Math.floor(n)===n?function(t,e,i,s){"-"!==t&&"+"!==t||(i=e+i);if(i===e||i<0||i>=s)return!1;return i}(s[0],e,n,i):["origin","start","end","stack","shape"].indexOf(s)>=0&&s}function la(t,e,i){const s=[];for(let n=0;n=0;--e){const i=n[e].$filler;i&&(i.line.updateControlPoints(o,i.axis),s&&i.fill&&ua(t.ctx,i,o))}},beforeDatasetsDraw(t,e,i){if("beforeDatasetsDraw"!==i.drawTime)return;const s=t.getSortedVisibleDatasetMetas();for(let e=s.length-1;e>=0;--e){const i=s[e].$filler;oa(i)&&ua(t.ctx,i,t.chartArea)}},beforeDatasetDraw(t,e,i){const s=e.meta.$filler;oa(s)&&"beforeDatasetDraw"===i.drawTime&&ua(t.ctx,s,t.chartArea)},defaults:{propagate:!0,drawTime:"beforeDatasetDraw"}};const _a=(t,e)=>{let{boxHeight:i=e,boxWidth:s=e}=t;return t.usePointStyle&&(i=Math.min(i,e),s=t.pointStyleWidth||Math.min(s,e)),{boxWidth:s,boxHeight:i,itemHeight:Math.max(e,i)}};class ya extends $s{constructor(t){super(),this._added=!1,this.legendHitBoxes=[],this._hoveredItem=null,this.doughnutMode=!1,this.chart=t.chart,this.options=t.options,this.ctx=t.ctx,this.legendItems=void 0,this.columnSizes=void 0,this.lineWidths=void 0,this.maxHeight=void 0,this.maxWidth=void 0,this.top=void 0,this.bottom=void 0,this.left=void 0,this.right=void 0,this.height=void 0,this.width=void 0,this._margins=void 0,this.position=void 0,this.weight=void 0,this.fullSize=void 0}update(t,e,i){this.maxWidth=t,this.maxHeight=e,this._margins=i,this.setDimensions(),this.buildLabels(),this.fit()}setDimensions(){this.isHorizontal()?(this.width=this.maxWidth,this.left=this._margins.left,this.right=this.width):(this.height=this.maxHeight,this.top=this._margins.top,this.bottom=this.height)}buildLabels(){const t=this.options.labels||{};let e=d(t.generateLabels,[this.chart],this)||[];t.filter&&(e=e.filter((e=>t.filter(e,this.chart.data)))),t.sort&&(e=e.sort(((e,i)=>t.sort(e,i,this.chart.data)))),this.options.reverse&&e.reverse(),this.legendItems=e}fit(){const{options:t,ctx:e}=this;if(!t.display)return void(this.width=this.height=0);const i=t.labels,s=Si(i.font),n=s.size,o=this._computeTitleHeight(),{boxWidth:a,itemHeight:r}=_a(i,n);let l,h;e.font=s.string,this.isHorizontal()?(l=this.maxWidth,h=this._fitRows(o,n,a,r)+10):(h=this.maxHeight,l=this._fitCols(o,s,a,r)+10),this.width=Math.min(l,t.maxWidth||this.maxWidth),this.height=Math.min(h,t.maxHeight||this.maxHeight)}_fitRows(t,e,i,s){const{ctx:n,maxWidth:o,options:{labels:{padding:a}}}=this,r=this.legendHitBoxes=[],l=this.lineWidths=[0],h=s+a;let c=t;n.textAlign="left",n.textBaseline="middle";let d=-1,u=-h;return this.legendItems.forEach(((t,f)=>{const g=i+e/2+n.measureText(t.text).width;(0===f||l[l.length-1]+g+2*a>o)&&(c+=h,l[l.length-(f>0?0:1)]=0,u+=h,d++),r[f]={left:0,top:u,row:d,width:g,height:s},l[l.length-1]+=g+a})),c}_fitCols(t,e,i,s){const{ctx:n,maxHeight:o,options:{labels:{padding:a}}}=this,r=this.legendHitBoxes=[],l=this.columnSizes=[],h=o-t;let c=a,d=0,u=0,f=0,g=0;return this.legendItems.forEach(((t,o)=>{const{itemWidth:p,itemHeight:m}=function(t,e,i,s,n){const o=function(t,e,i,s){let n=t.text;n&&"string"!=typeof n&&(n=n.reduce(((t,e)=>t.length>e.length?t:e)));return e+i.size/2+s.measureText(n).width}(s,t,e,i),a=function(t,e,i){let s=t;"string"!=typeof e.text&&(s=va(e,i));return s}(n,s,e.lineHeight);return{itemWidth:o,itemHeight:a}}(i,e,n,t,s);o>0&&u+m+2*a>h&&(c+=d+a,l.push({width:d,height:u}),f+=d+a,g++,d=u=0),r[o]={left:f,top:u,col:g,width:p,height:m},d=Math.max(d,p),u+=m+a})),c+=d,l.push({width:d,height:u}),c}adjustHitBoxes(){if(!this.options.display)return;const t=this._computeTitleHeight(),{legendHitBoxes:e,options:{align:i,labels:{padding:s},rtl:n}}=this,o=Oi(n,this.left,this.width);if(this.isHorizontal()){let n=0,a=ft(i,this.left+s,this.right-this.lineWidths[n]);for(const r of e)n!==r.row&&(n=r.row,a=ft(i,this.left+s,this.right-this.lineWidths[n])),r.top+=this.top+t+s,r.left=o.leftForLtr(o.x(a),r.width),a+=r.width+s}else{let n=0,a=ft(i,this.top+t+s,this.bottom-this.columnSizes[n].height);for(const r of e)r.col!==n&&(n=r.col,a=ft(i,this.top+t+s,this.bottom-this.columnSizes[n].height)),r.top=a,r.left+=this.left+s,r.left=o.leftForLtr(o.x(r.left),r.width),a+=r.height+s}}isHorizontal(){return"top"===this.options.position||"bottom"===this.options.position}draw(){if(this.options.display){const t=this.ctx;Ie(t,this),this._draw(),ze(t)}}_draw(){const{options:t,columnSizes:e,lineWidths:i,ctx:s}=this,{align:n,labels:o}=t,a=ue.color,r=Oi(t.rtl,this.left,this.width),h=Si(o.font),{padding:c}=o,d=h.size,u=d/2;let f;this.drawTitle(),s.textAlign=r.textAlign("left"),s.textBaseline="middle",s.lineWidth=.5,s.font=h.string;const{boxWidth:g,boxHeight:p,itemHeight:m}=_a(o,d),x=this.isHorizontal(),b=this._computeTitleHeight();f=x?{x:ft(n,this.left+c,this.right-i[0]),y:this.top+c+b,line:0}:{x:this.left+c,y:ft(n,this.top+b+c,this.bottom-e[0].height),line:0},Ai(this.ctx,t.textDirection);const _=m+c;this.legendItems.forEach(((y,v)=>{s.strokeStyle=y.fontColor,s.fillStyle=y.fontColor;const M=s.measureText(y.text).width,w=r.textAlign(y.textAlign||(y.textAlign=o.textAlign)),k=g+u+M;let S=f.x,P=f.y;r.setWidth(this.width),x?v>0&&S+k+c>this.right&&(P=f.y+=_,f.line++,S=f.x=ft(n,this.left+c,this.right-i[f.line])):v>0&&P+_>this.bottom&&(S=f.x=S+e[f.line].width+c,f.line++,P=f.y=ft(n,this.top+b+c,this.bottom-e[f.line].height));if(function(t,e,i){if(isNaN(g)||g<=0||isNaN(p)||p<0)return;s.save();const n=l(i.lineWidth,1);if(s.fillStyle=l(i.fillStyle,a),s.lineCap=l(i.lineCap,"butt"),s.lineDashOffset=l(i.lineDashOffset,0),s.lineJoin=l(i.lineJoin,"miter"),s.lineWidth=n,s.strokeStyle=l(i.strokeStyle,a),s.setLineDash(l(i.lineDash,[])),o.usePointStyle){const a={radius:p*Math.SQRT2/2,pointStyle:i.pointStyle,rotation:i.rotation,borderWidth:n},l=r.xPlus(t,g/2);Ee(s,a,l,e+u,o.pointStyleWidth&&g)}else{const o=e+Math.max((d-p)/2,0),a=r.leftForLtr(t,g),l=wi(i.borderRadius);s.beginPath(),Object.values(l).some((t=>0!==t))?He(s,{x:a,y:o,w:g,h:p,radius:l}):s.rect(a,o,g,p),s.fill(),0!==n&&s.stroke()}s.restore()}(r.x(S),P,y),S=gt(w,S+g+u,x?S+k:this.right,t.rtl),function(t,e,i){Ne(s,i.text,t,e+m/2,h,{strikethrough:i.hidden,textAlign:r.textAlign(i.textAlign)})}(r.x(S),P,y),x)f.x+=k+c;else if("string"!=typeof y.text){const t=h.lineHeight;f.y+=va(y,t)+c}else f.y+=_})),Ti(this.ctx,t.textDirection)}drawTitle(){const t=this.options,e=t.title,i=Si(e.font),s=ki(e.padding);if(!e.display)return;const n=Oi(t.rtl,this.left,this.width),o=this.ctx,a=e.position,r=i.size/2,l=s.top+r;let h,c=this.left,d=this.width;if(this.isHorizontal())d=Math.max(...this.lineWidths),h=this.top+l,c=ft(t.align,c,this.right-d);else{const e=this.columnSizes.reduce(((t,e)=>Math.max(t,e.height)),0);h=l+ft(t.align,this.top,this.bottom-e-t.labels.padding-this._computeTitleHeight())}const u=ft(a,c,c+d);o.textAlign=n.textAlign(ut(a)),o.textBaseline="middle",o.strokeStyle=e.color,o.fillStyle=e.color,o.font=i.string,Ne(o,e.text,u,h,i)}_computeTitleHeight(){const t=this.options.title,e=Si(t.font),i=ki(t.padding);return t.display?e.lineHeight+i.height:0}_getLegendItemAt(t,e){let i,s,n;if(tt(t,this.left,this.right)&&tt(e,this.top,this.bottom))for(n=this.legendHitBoxes,i=0;it.chart.options.color,boxWidth:40,padding:10,generateLabels(t){const e=t.data.datasets,{labels:{usePointStyle:i,pointStyle:s,textAlign:n,color:o,useBorderRadius:a,borderRadius:r}}=t.legend.options;return t._getSortedDatasetMetas().map((t=>{const l=t.controller.getStyle(i?0:void 0),h=ki(l.borderWidth);return{text:e[t.index].label,fillStyle:l.backgroundColor,fontColor:o,hidden:!t.visible,lineCap:l.borderCapStyle,lineDash:l.borderDash,lineDashOffset:l.borderDashOffset,lineJoin:l.borderJoinStyle,lineWidth:(h.width+h.height)/4,strokeStyle:l.borderColor,pointStyle:s||l.pointStyle,rotation:l.rotation,textAlign:n||l.textAlign,borderRadius:a&&(r||l.borderRadius),datasetIndex:t.index}}),this)}},title:{color:t=>t.chart.options.color,display:!1,position:"center",text:""}},descriptors:{_scriptable:t=>!t.startsWith("on"),labels:{_scriptable:t=>!["generateLabels","filter","sort"].includes(t)}}};class wa extends $s{constructor(t){super(),this.chart=t.chart,this.options=t.options,this.ctx=t.ctx,this._padding=void 0,this.top=void 0,this.bottom=void 0,this.left=void 0,this.right=void 0,this.width=void 0,this.height=void 0,this.position=void 0,this.weight=void 0,this.fullSize=void 0}update(t,e){const i=this.options;if(this.left=0,this.top=0,!i.display)return 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wa({ctx:t.ctx,options:e,chart:t});ls.configure(t,i,e),ls.addBox(t,i),t.titleBlock=i}(t,i)},stop(t){const e=t.titleBlock;ls.removeBox(t,e),delete t.titleBlock},beforeUpdate(t,e,i){const s=t.titleBlock;ls.configure(t,s,i),s.options=i},defaults:{align:"center",display:!1,font:{weight:"bold"},fullSize:!0,padding:10,position:"top",text:"",weight:2e3},defaultRoutes:{color:"color"},descriptors:{_scriptable:!0,_indexable:!1}};const Sa=new WeakMap;var Pa={id:"subtitle",start(t,e,i){const s=new wa({ctx:t.ctx,options:i,chart:t});ls.configure(t,s,i),ls.addBox(t,s),Sa.set(t,s)},stop(t){ls.removeBox(t,Sa.get(t)),Sa.delete(t)},beforeUpdate(t,e,i){const s=Sa.get(t);ls.configure(t,s,i),s.options=i},defaults:{align:"center",display:!1,font:{weight:"normal"},fullSize:!0,padding:0,position:"top",text:"",weight:1500},defaultRoutes:{color:"color"},descriptors:{_scriptable:!0,_indexable:!1}};const Da={average(t){if(!t.length)return!1;let e,i,s=new 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m=p.height,x=0,b=s.reduce(((t,e)=>t+e.before.length+e.lines.length+e.after.length),0);if(b+=t.beforeBody.length+t.afterBody.length,d&&(m+=d*h.lineHeight+(d-1)*e.titleSpacing+e.titleMarginBottom),b){m+=g*(e.displayColors?Math.max(r,l.lineHeight):l.lineHeight)+(b-g)*l.lineHeight+(b-1)*e.bodySpacing}f&&(m+=e.footerMarginTop+f*c.lineHeight+(f-1)*e.footerSpacing);let _=0;const y=function(t){x=Math.max(x,i.measureText(t).width+_)};return i.save(),i.font=h.string,u(t.title,y),i.font=l.string,u(t.beforeBody.concat(t.afterBody),y),_=e.displayColors?a+2+e.boxPadding:0,u(s,(t=>{u(t.before,y),u(t.lines,y),u(t.after,y)})),_=0,i.font=c.string,u(t.footer,y),i.restore(),x+=p.width,{width:x,height:m}}function La(t,e,i,s){const{x:n,width:o}=i,{width:a,chartArea:{left:r,right:l}}=t;let 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x,b,_,y,v,M,w;for(e.textAlign=o,e.textBaseline="middle",e.font=c.string,t.x=Ia(this,m,i),e.fillStyle=i.bodyColor,u(this.beforeBody,p),f=a&&"right"!==m?"center"===o?l/2+h:l+2+h:0,y=0,M=s.length;y0&&e.stroke()}_updateAnimationTarget(t){const e=this.chart,i=this.$animations,s=i&&i.x,n=i&&i.y;if(s||n){const i=Da[t.position].call(this,this._active,this._eventPosition);if(!i)return;const o=this._size=Ta(this,t),a=Object.assign({},i,this._size),r=Ea(e,t,a),l=Ra(t,a,r,e);s._to===l.x&&n._to===l.y||(this.xAlign=r.xAlign,this.yAlign=r.yAlign,this.width=o.width,this.height=o.height,this.caretX=i.x,this.caretY=i.y,this._resolveAnimations().update(this,l))}}_willRender(){return!!this.opacity}draw(t){const e=this.options.setContext(this.getContext());let i=this.opacity;if(!i)return;this._updateAnimationTarget(e);const s={width:this.width,height:this.height},n={x:this.x,y:this.y};i=Math.abs(i)<.001?0:i;const 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r&&(this._active=o,(s.enabled||s.external)&&(this._eventPosition={x:t.x,y:t.y},this.update(!0,e))),r}_getActiveElements(t,e,i,s){const n=this.options;if("mouseout"===t.type)return[];if(!s)return e.filter((t=>this.chart.data.datasets[t.datasetIndex]&&void 0!==this.chart.getDatasetMeta(t.datasetIndex).controller.getParsed(t.index)));const o=this.chart.getElementsAtEventForMode(t,n.mode,n,i);return n.reverse&&o.reverse(),o}_positionChanged(t,e){const{caretX:i,caretY:s,options:n}=this,o=Da[n.position].call(this,t,e);return!1!==o&&(i!==o.x||s!==o.y)}}var Na={id:"tooltip",_element:Wa,positioners:Da,afterInit(t,e,i){i&&(t.tooltip=new Wa({chart:t,options:i}))},beforeUpdate(t,e,i){t.tooltip&&t.tooltip.initialize(i)},reset(t,e,i){t.tooltip&&t.tooltip.initialize(i)},afterDraw(t){const e=t.tooltip;if(e&&e._willRender()){const i={tooltip:e};if(!1===t.notifyPlugins("beforeTooltipDraw",{...i,cancelable:!0}))return;e.draw(t.ctx),t.notifyPlugins("afterTooltipDraw",i)}},afterEvent(t,e){if(t.tooltip){const i=e.replay;t.tooltip.handleEvent(e.event,i,e.inChartArea)&&(e.changed=!0)}},defaults:{enabled:!0,external:null,position:"average",backgroundColor:"rgba(0,0,0,0.8)",titleColor:"#fff",titleFont:{weight:"bold"},titleSpacing:2,titleMarginBottom:6,titleAlign:"left",bodyColor:"#fff",bodySpacing:2,bodyFont:{},bodyAlign:"left",footerColor:"#fff",footerSpacing:2,footerMarginTop:6,footerFont:{weight:"bold"},footerAlign:"left",padding:6,caretPadding:2,caretSize:5,cornerRadius:6,boxHeight:(t,e)=>e.bodyFont.size,boxWidth:(t,e)=>e.bodyFont.size,multiKeyBackground:"#fff",displayColors:!0,boxPadding:0,borderColor:"rgba(0,0,0,0)",borderWidth:0,animation:{duration:400,easing:"easeOutQuart"},animations:{numbers:{type:"number",properties:["x","y","width","height","caretX","caretY"]},opacity:{easing:"linear",duration:200}},callbacks:Va},defaultRoutes:{bodyFont:"font",footerFont:"font",titleFont:"font"},descriptors:{_scriptable:t=>"filter"!==t&&"itemSort"!==t&&"external"!==t,_indexable:!1,callbacks:{_scriptable:!1,_indexable:!1},animation:{_fallback:!1},animations:{_fallback:"animation"}},additionalOptionScopes:["interaction"]};return 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Bt.CONNECT:t.data&&t.data.sid?this.onconnect(t.data.sid,t.data.pid):this.emitReserved("connect_error",new Error("It seems you are trying to reach a Socket.IO server in v2.x with a v3.x client, but they are not compatible (more information here: https://socket.io/docs/v3/migrating-from-2-x-to-3-0/)"));break;case Bt.EVENT:case Bt.BINARY_EVENT:this.onevent(t);break;case Bt.ACK:case Bt.BINARY_ACK:this.onack(t);break;case Bt.DISCONNECT:this.ondisconnect();break;case Bt.CONNECT_ERROR:this.destroy();var n=new Error(t.data.message);n.data=t.data.data,this.emitReserved("connect_error",n)}},o.onevent=function(t){var n=t.data||[];null!=t.id&&n.push(this.ack(t.id)),this.connected?this.emitEvent(n):this.receiveBuffer.push(Object.freeze(n))},o.emitEvent=function(n){if(this.bt&&this.bt.length){var i,e=r(this.bt.slice());try{for(e.s();!(i=e.n()).done;){i.value.apply(this,n)}}catch(t){e.e(t)}finally{e.f()}}t.prototype.emit.apply(this,n),this.lt&&n.length&&"string"==typeof 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this.open(t)},i.onopen=function(){this.cleanup(),this.st="open",this.emitReserved("open");var t=this.engine;this.subs.push(It(t,"ping",this.onping.bind(this)),It(t,"data",this.ondata.bind(this)),It(t,"error",this.onerror.bind(this)),It(t,"close",this.onclose.bind(this)),It(this.decoder,"decoded",this.ondecoded.bind(this)))},i.onping=function(){this.emitReserved("ping")},i.ondata=function(t){try{this.decoder.add(t)}catch(t){this.onclose("parse error",t)}},i.ondecoded=function(t){var n=this;R((function(){n.emitReserved("packet",t)}),this.setTimeoutFn)},i.onerror=function(t){this.emitReserved("error",t)},i.socket=function(t,n){var i=this.nsps[t];return i?this.et&&!i.active&&i.connect():(i=new Lt(this,t,n),this.nsps[t]=i),i},i.wt=function(t){for(var n=0,i=Object.keys(this.nsps);n=this.At)this.backoff.reset(),this.emitReserved("reconnect_failed"),this.ot=!1;else{var i=this.backoff.duration();this.ot=!0;var r=this.setTimeoutFn((function(){n.skipReconnect||(t.emitReserved("reconnect_attempt",n.backoff.attempts),n.skipReconnect||n.open((function(i){i?(n.ot=!1,n.reconnect(),t.emitReserved("reconnect_error",i)):n.onreconnect()})))}),i);this.opts.autoUnref&&r.unref(),this.subs.push((function(){t.clearTimeoutFn(r)}))}},i.onreconnect=function(){var t=this.backoff.attempts;this.ot=!1,this.backoff.reset(),this.emitReserved("reconnect",t)},n}(I),Pt={};function $t(t,n){"object"===c(t)&&(n=t,t=void 0);var i,r=function(t){var n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:"",i=arguments.length>2?arguments[2]:void 0,r=t;i=i||"undefined"!=typeof location&&location,null==t&&(t=i.protocol+"//"+i.host),"string"==typeof t&&("/"===t.charAt(0)&&(t="/"===t.charAt(1)?i.protocol+t:i.host+t),/^(https?|wss?):\/\//.test(t)||(t=void 0!==i?i.protocol+"//"+t:"https://"+t),r=ft(t)),r.port||(/^(http|ws)$/.test(r.protocol)?r.port="80":/^(http|ws)s$/.test(r.protocol)&&(r.port="443")),r.path=r.path||"/";var e=-1!==r.host.indexOf(":")?"["+r.host+"]":r.host;return r.id=r.protocol+"://"+e+":"+r.port+n,r.href=r.protocol+"://"+e+(i&&i.port===r.port?"":":"+r.port),r}(t,(n=n||{}).path||"/socket.io"),e=r.source,o=r.id,s=r.path,u=Pt[o]&&s in Pt[o].nsps;return n.forceNew||n["force new connection"]||!1===n.multiplex||u?i=new Dt(e,n):(Pt[o]||(Pt[o]=new Dt(e,n)),i=Pt[o]),r.query&&!n.query&&(n.query=r.queryKey),i.socket(r.path,n)}return e($t,{Manager:Dt,Socket:Lt,io:$t,connect:$t}),$t})); +//# sourceMappingURL=socket.io.min.js.map