Merge branch 'master' into dns-monitor

.eslintrc.js

@@ -16,6 +16,9 @@ module.exports = {
         requireConfigFile: false,
     },
     rules: {
+        "camelcase": ["warn", {
+            "properties": "never"
+        }],
         // override/add rules settings here, such as:
         // 'vue/no-unused-vars': 'error'
         "no-unused-vars": "warn",
@@ -74,5 +77,6 @@ module.exports = {
         "no-empty": ["error", {
             "allowEmptyCatch": true
         }],
+        "no-control-regex": "off"
     },
 }

.stylelintrc

@@ -1,3 +1,9 @@
 {
-  "extends": "stylelint-config-recommended"
+    "extends": "stylelint-config-standard",
+    "rules": {
+        "indentation": 4,
+        "no-descending-specificity": null,
+        "selector-list-comma-newline-after": null,
+        "declaration-empty-line-before": null
+    }
 }

CONTRIBUTING.md

@@ -6,7 +6,38 @@ The project was created with vite.js (vue3). Then I created a sub-directory call
 
 The frontend code build into "dist" directory. The server uses "dist" as root. This is how production is working.
 
-Your IDE should follow the config in ".editorconfig". The most special thing is I set it to 4 spaces indentation. I know 2 spaces indentation became a kind of standard nowadays for js, but my eyes is not so comfortable for this. In my opinion, there is no callback-hell nowadays, it is good to go back 4 spaces world again.
+# Can I create a pull request for Uptime Kuma?
+
+Generally, if the pull request is working fine and it do not affect any existing logic, workflow and perfomance, I will merge to the master branch once it is tested.
+
+If you are not sure, feel free to create an empty pull request draft first.
+
+## Pull Request Examples
+
+### ✅ High - Medium Priority
+
+- Add a new notification
+- Add a chart
+- Fix a bug
+
+### *️⃣ Requires one more reviewer 
+
+I do not have such knowledge to test it
+
+- Add k8s supports 
+
+### *️⃣ Low Priority 
+
+It chnaged my current workflow and require further studies.
+
+- Change my release approach
+
+### ❌ Won't Merge
+
+- Duplicated pull request
+- Buggy
+- Existing logic is completely modified or deleted
+- A function that is completely out of scope
 
 # Project Styles
 
@@ -19,16 +50,27 @@ For example, recently, because I am not a python expert, I spent a 2 hours to re
 - All settings in frontend.
 - Easy to use
 
+# Coding Styles
+
+- Follow .editorconfig
+- Follow eslint
+
+## Name convention
+
+- Javascript/Typescript: camelCaseType
+- SQLite: underscore_type
+- CSS/SCSS: dash-type
+
 # Tools
 - Node.js >= 14
 - Git
-- IDE that supports .editorconfig  (I am using Intellji Idea)
+- IDE that supports .editorconfig and eslint (I am using Intellji Idea)
 - A SQLite tool (I am using SQLite Expert Personal)
 
-# Prepare the dev
+# Install dependencies 
 
 ```bash
-npm install
+npm install --dev
 ```
 
 # Backend Dev
@@ -39,7 +81,6 @@ npm run start-server
 # Or 
 
 node server/server.js
-
 ```
 
 It binds to 0.0.0.0:3001 by default.
@@ -92,7 +133,8 @@ The data and socket logic in "src/mixins/socket.js"
 
 # Database Migration
 
-TODO
+1. create `patch{num}.sql` in `./db/`
+1. update `latestVersion` in `./server/database.js`
 
 # Unit Test
 

dockerfile

@@ -2,10 +2,10 @@
 FROM node:14-alpine3.12 AS release
 WORKDIR /app
 
-# split the sqlite install here, so that it can caches the arm prebuilt
+# split the sqlite install here, so that it can caches the prebuilt
 RUN apk add --no-cache --virtual .build-deps make g++ python3 python3-dev && \
             ln -s /usr/bin/python3 /usr/bin/python && \
-            npm install @louislam/sqlite3@5.0.3 bcrypt@5.0.1 && \
+            npm install better-sqlite3@7.4.3 bcrypt@5.0.1 && \
             apk del .build-deps && \
             rm -f /usr/bin/python
 

package.json

@@ -10,6 +10,9 @@
         "node": "14.*"
     },
     "scripts": {
+        "lint:js": "eslint --ext \".js,.vue\" --ignore-path .gitignore .",
+        "lint:style": "stylelint \"**/*.{vue,css,scss}\" --ignore-path .gitignore",
+        "lint": "npm run lint:js && npm run lint:style",
         "dev": "vite --host",
         "start": "npm run start-server",
         "start-server": "node server/server.js",
@@ -19,7 +22,7 @@
         "vite-preview-dist": "vite preview --host",
         "build-docker": "docker buildx build --platform linux/amd64,linux/arm64,linux/arm/v7 -t louislam/uptime-kuma -t louislam/uptime-kuma:1 -t louislam/uptime-kuma:1.3.2 --target release . --push",
         "build-docker-nightly": "docker buildx build --platform linux/amd64,linux/arm64,linux/arm/v7 -t louislam/uptime-kuma:nightly --target nightly . --push",
-        "build-docker-nightly-amd64": "docker buildx build --platform linux/amd64 -t louislam/uptime-kuma:nightly-amd64 --target nightly . --push",
+        "build-docker-nightly-amd64": "docker buildx build --platform linux/amd64 -t louislam/uptime-kuma:nightly-amd64 --target nightly . --push --progress plain",
         "setup": "git checkout 1.3.2 && npm install && npm run build",
         "update-version": "node extra/update-version.js",
         "mark-as-nightly": "node extra/mark-as-nightly.js",
@@ -36,11 +39,11 @@
         "@fortawesome/free-regular-svg-icons": "^5.15.4",
         "@fortawesome/free-solid-svg-icons": "^5.15.4",
         "@fortawesome/vue-fontawesome": "^3.0.0-4",
-        "@louislam/sqlite3": "^5.0.3",
         "@popperjs/core": "^2.9.3",
         "args-parser": "^1.3.0",
         "axios": "^0.21.1",
         "bcrypt": "^5.0.1",
+        "better-sqlite3": "^7.4.3",
         "bootstrap": "^5.1.0",
         "chart.js": "^3.5.0",
         "chartjs-adapter-dayjs": "^1.0.0",
@@ -56,7 +59,7 @@
         "password-hash": "^1.2.2",
         "prom-client": "^13.2.0",
         "prometheus-api-metrics": "^3.2.0",
-        "redbean-node": "0.0.21",
+        "redbean-node": "0.1.1",
         "socket.io": "^4.1.3",
         "socket.io-client": "^4.1.3",
         "tcp-ping": "^0.1.1",
@@ -64,6 +67,7 @@
         "vue": "^3.2.2",
         "vue-chart-3": "^0.5.7",
         "vue-confirm-dialog": "^1.0.2",
+        "vue-i18n": "^9.1.7",
         "vue-multiselect": "^3.0.0-alpha.2",
         "vue-router": "^4.0.11",
         "vue-toastification": "^2.0.0-rc.1"
@@ -79,7 +83,6 @@
         "eslint-plugin-vue": "^7.16.0",
         "sass": "^1.37.5",
         "stylelint": "^13.13.1",
-        "stylelint-config-recommended": "^5.0.0",
         "stylelint-config-standard": "^22.0.0",
         "typescript": "^4.3.5",
         "vite": "^2.4.4"

server/database.js

@@ -1,9 +1,6 @@
 const fs = require("fs");
-const { sleep, debug, isDev } = require("../src/util");
 const { R } = require("redbean-node");
 const { setSetting, setting } = require("./util-server");
-const knex = require("knex");
-const sqlite3 = require("@louislam/sqlite3");
 
 class Database {
 
@@ -14,48 +11,23 @@ class Database {
     static sqliteInstance = null;
 
     static async connect() {
+        const acquireConnectionTimeout = 120 * 1000;
 
-        if (! this.sqliteInstance) {
-            this.sqliteInstance = new sqlite3.Database(Database.path);
-            this.sqliteInstance.run("PRAGMA journal_mode = WAL");
-        }
+        R.useBetterSQLite3 = true;
+        R.betterSQLite3Options.timeout = acquireConnectionTimeout;
 
-        const Dialect = require("knex/lib/dialects/sqlite3/index.js");
-        Dialect.prototype._driver = () => sqlite3;
-
-        if (isDev) {
-            Dialect.prototype.acquireConnectionOrg = Dialect.prototype.acquireConnection;
-
-            Dialect.prototype.acquireConnection = async function () {
-                let a = await this.acquireConnectionOrg();
-                debug("acquired Connection");
-                return a;
-            };
-        }
-
-        // Always return same connection.
-        Dialect.prototype.acquireRawConnection = async function () {
-            return Database.sqliteInstance;
-        };
-
-        Dialect.prototype.destroyRawConnection = async () => { }
-
-        const knexInstance = knex({
-            client: Dialect,
-            connection: { },        // Do not remove, Leave it empty is ok
+        R.setup("sqlite", {
+            filename: Database.path,
             useNullAsDefault: true,
-            pool: {
+            acquireConnectionTimeout: acquireConnectionTimeout,
+        }, {
             min: 1,
             max: 1,
-                idleTimeoutMillis: 30000,
-            }
+            idleTimeoutMillis: 120 * 1000,
+            propagateCreateError: false,
+            acquireTimeoutMillis: acquireConnectionTimeout,
         });
 
-        console.log( knexInstance.pool)
-        console.log("pool size")
-
-        R.setup(knexInstance);
-
         if (process.env.SQL_LOG === "1") {
             R.debug(true);
         }
@@ -63,6 +35,10 @@ class Database {
         // Auto map the model to a bean object
         R.freeze(true)
         await R.autoloadModels("./server/model");
+
+        // Change to WAL
+        await R.exec("PRAGMA journal_mode = WAL");
+        console.log(await R.getAll("PRAGMA journal_mode"));
     }
 
     static async patch() {
@@ -148,11 +124,18 @@ class Database {
                 return statement !== "";
             })
 
+        // Use better-sqlite3 to run, prevent "This statement does not return data. Use run() instead"
+        const db = await this.getBetterSQLite3Database();
+
         for (let statement of statements) {
-            await R.exec(statement);
+            db.prepare(statement).run();
         }
     }
 
+    static getBetterSQLite3Database() {
+        return R.knex.client.acquireConnection();
+    }
+
     /**
      * Special handle, because tarn.js throw a promise reject that cannot be caught
      * @returns {Promise<void>}

server/model/monitor.js

@@ -112,10 +112,9 @@ class Monitor extends BeanModel {
 
             try {
                 if (this.type === "http" || this.type === "keyword") {
+                    // Do not do any queries/high loading things before the "bean.ping"
                     let startTime = dayjs().valueOf();
 
-                    // Use Custom agent to disable session reuse
-                    // https://github.com/nodejs/node/issues/3940
                     let res = await axios.get(this.url, {
                         timeout: this.interval * 1000 * 0.8,
                         headers: {
@@ -123,7 +122,7 @@ class Monitor extends BeanModel {
                             "User-Agent": "Uptime-Kuma/" + version,
                         },
                         httpsAgent: new https.Agent({
-                            maxCachedSessions: 0,
+                            maxCachedSessions: 0,      // Use Custom agent to disable session reuse (https://github.com/nodejs/node/issues/3940)
                             rejectUnauthorized: ! this.getIgnoreTls(),
                         }),
                         maxRedirects: this.maxredirects,
@@ -276,7 +275,8 @@ class Monitor extends BeanModel {
                         try {
                             await Notification.send(JSON.parse(notification.config), msg, await this.toJSON(), bean.toJSON())
                         } catch (e) {
-                            console.error("Cannot send notification to " + notification.name)
+                            console.error("Cannot send notification to " + notification.name);
+                            console.log(e);
                         }
                     }
                 }
@@ -293,22 +293,22 @@ class Monitor extends BeanModel {
                 console.warn(`Monitor #${this.id} '${this.name}': Failing: ${bean.msg} | Type: ${this.type}`)
             }
 
-            prometheus.update(bean, tlsInfo)
-
             io.to(this.user_id).emit("heartbeat", bean.toJSON());
-
-            await R.store(bean)
             Monitor.sendStats(io, this.id, this.user_id)
 
+            await R.store(bean);
+            prometheus.update(bean, tlsInfo);
+
             previousBeat = bean;
+
+            this.heartbeatInterval = setTimeout(beat, this.interval * 1000);
         }
 
         beat();
-        this.heartbeatInterval = setInterval(beat, this.interval * 1000);
     }
 
     stop() {
-        clearInterval(this.heartbeatInterval)
+        clearTimeout(this.heartbeatInterval);
     }
 
     /**

server/notification.js

@@ -279,6 +279,116 @@ class Notification {
                 throwGeneralAxiosError(error)
             }
 
+        } else if (notification.type === "mattermost") {
+            try {
+                const mattermostUserName = notification.mattermostusername || "Uptime Kuma";
+                // If heartbeatJSON is null, assume we're testing.
+                if (heartbeatJSON == null) {
+                    let mattermostTestData = {
+                        username: mattermostUserName,
+                        text: msg,
+                    }
+                    await axios.post(notification.mattermostWebhookUrl, mattermostTestData)
+                    return okMsg;
+                }
+                
+                const mattermostChannel = notification.mattermostchannel;
+                const mattermostIconEmoji = notification.mattermosticonemo;
+                const mattermostIconUrl = notification.mattermosticonurl;
+
+                if (heartbeatJSON["status"] == 0) {
+                    let mattermostdowndata = {
+                        username: mattermostUserName,
+                        text: "Uptime Kuma Alert",
+                        channel: mattermostChannel,
+                        icon_emoji: mattermostIconEmoji,
+                        icon_url: mattermostIconUrl,
+                        attachments: [
+                            {
+                                fallback:
+                                    "Your " +
+                                    monitorJSON["name"] +
+                                    " service went down.",
+                                color: "#FF0000",
+                                title:
+                                    "❌ " +
+                                    monitorJSON["name"] +
+                                    " service went down. ❌",
+                                title_link: monitorJSON["url"],
+                                fields: [
+                                    {
+                                        short: true,
+                                        title: "Service Name",
+                                        value: monitorJSON["name"],
+                                    },
+                                    {
+                                        short: true,
+                                        title: "Time (UTC)",
+                                        value: heartbeatJSON["time"],
+                                    },
+                                    {
+                                        short: false,
+                                        title: "Error",
+                                        value: heartbeatJSON["msg"],
+                                    },
+                                ],
+                            },
+                        ],
+                    };
+                    await axios.post(
+                        notification.mattermostWebhookUrl,
+                        mattermostdowndata
+                    );
+                    return okMsg;
+                } else if (heartbeatJSON["status"] == 1) {
+                    let mattermostupdata = {
+                        username: mattermostUserName,
+                        text: "Uptime Kuma Alert",
+                        channel: mattermostChannel,
+                        icon_emoji: mattermostIconEmoji,
+                        icon_url: mattermostIconUrl,
+                        attachments: [
+                            {
+                                fallback:
+                                    "Your " +
+                                    monitorJSON["name"] +
+                                    " service went up!",
+                                color: "#32CD32",
+                                title:
+                                    "✅ " +
+                                    monitorJSON["name"] +
+                                    " service went up! ✅",
+                                title_link: monitorJSON["url"],
+                                fields: [
+                                    {
+                                        short: true,
+                                        title: "Service Name",
+                                        value: monitorJSON["name"],
+                                    },
+                                    {
+                                        short: true,
+                                        title: "Time (UTC)",
+                                        value: heartbeatJSON["time"],
+                                    },
+                                    {
+                                        short: false,
+                                        title: "Ping",
+                                        value: heartbeatJSON["ping"] + "ms",
+                                    },
+                                ],
+                            },
+                        ],
+                    };
+                    await axios.post(
+                        notification.mattermostWebhookUrl,
+                        mattermostupdata
+                    );
+                    return okMsg;
+                }
+            } catch (error) {
+                throwGeneralAxiosError(error);
+            }
+
         } else if (notification.type === "pushover") {
             let pushoverlink = "https://api.pushover.net/1/messages.json"
             try {

server/server.js

@@ -12,8 +12,6 @@ debug("Importing express");
 const express = require("express");
 debug("Importing socket.io");
 const { Server } = require("socket.io");
-debug("Importing dayjs");
-const dayjs = require("dayjs");
 debug("Importing redbean-node");
 const { R } = require("redbean-node");
 debug("Importing jsonwebtoken");
@@ -150,7 +148,7 @@ let indexHTML = fs.readFileSync("./dist/index.html").toString();
                 if (user) {
                     debug("afterLogin")
 
-                    await afterLogin(socket, user)
+                    afterLogin(socket, user)
 
                     debug("afterLogin ok")
 
@@ -178,7 +176,7 @@ let indexHTML = fs.readFileSync("./dist/index.html").toString();
             let user = await login(data.username, data.password)
 
             if (user) {
-                await afterLogin(socket, user)
+                afterLogin(socket, user)
 
                 callback({
                     ok: true,
@@ -563,7 +561,7 @@ let indexHTML = fs.readFileSync("./dist/index.html").toString();
         debug("check auto login")
         if (await setting("disableAuth")) {
             console.log("Disabled Auth: auto login to admin")
-            await afterLogin(socket, await R.findOne("user"))
+            afterLogin(socket, await R.findOne("user"))
             socket.emit("autoLogin")
         } else {
             debug("need auth")
@@ -623,6 +621,8 @@ async function sendMonitorList(socket) {
 }
 
 async function sendNotificationList(socket) {
+    const timeLogger = new TimeLogger();
+
     let result = [];
     let list = await R.find("notification", " user_id = ? ", [
         socket.userID,
@@ -633,6 +633,9 @@ async function sendNotificationList(socket) {
     }
 
     io.to(socket.userID).emit("notificationList", result)
+
+    timeLogger.print("Send Notification List");
+
     return list;
 }
 
@@ -641,24 +644,27 @@ async function afterLogin(socket, user) {
     socket.join(user.id)
 
     let monitorList = await sendMonitorList(socket)
-
     sendNotificationList(socket)
 
-    // Delay a bit, so that it let the main page to query the data first, since SQLite can process one sql at the same time only.
-    // For example, query the edit data first.
-    setTimeout(async () => {
+    await sleep(500);
+
     for (let monitorID in monitorList) {
-            sendHeartbeatList(socket, monitorID);
-            sendImportantHeartbeatList(socket, monitorID);
-            Monitor.sendStats(io, monitorID, user.id)
+        await sendHeartbeatList(socket, monitorID);
+    }
+
+    for (let monitorID in monitorList) {
+        await sendImportantHeartbeatList(socket, monitorID);
+    }
+
+    for (let monitorID in monitorList) {
+        await Monitor.sendStats(io, monitorID, user.id)
     }
-    }, 500);
 }
 
 async function getMonitorJSONList(userID) {
     let result = {};
 
-    let monitorList = await R.find("monitor", " user_id = ? ", [
+    let monitorList = await R.find("monitor", " user_id = ? ORDER BY weight DESC, name", [
         userID,
     ])
 
@@ -788,6 +794,8 @@ async function sendHeartbeatList(socket, monitorID) {
     }
 
     socket.emit("heartbeatList", monitorID, result)
+
+    timeLogger.print(`[Monitor: ${monitorID}] sendHeartbeatList`)
 }
 
 async function sendImportantHeartbeatList(socket, monitorID) {

src/assets/app.scss

@@ -18,7 +18,7 @@ h2 {
 }
 
 ::-webkit-scrollbar-thumb {
-    background: #CCC;
+    background: #ccc;
     border-radius: 20px;
 }
 
@@ -28,7 +28,7 @@ h2 {
 
 .modal-content {
     border-radius: 1rem;
-    box-shadow: 0 15px 70px rgba(0, 0, 0, .1);
+    box-shadow: 0 15px 70px rgba(0, 0, 0, 0.1);
 
     .dark & {
         box-shadow: 0 15px 70px rgb(0 0 0);
@@ -41,10 +41,9 @@ h2 {
     text-align: center;
 }
 
-
 .shadow-box {
     //overflow: hidden;   // Forget why add this, but multiple select hide by this
-    box-shadow: 0 15px 70px rgba(0, 0, 0, .1);
+    box-shadow: 0 15px 70px rgba(0, 0, 0, 0.1);
     padding: 10px;
     border-radius: 10px;
 
@@ -80,9 +79,56 @@ h2 {
     }
 }
 
+@media (max-width: 550px) {
+    .table-shadow-box {
+        padding: 10px !important;
+
+        thead {
+            display: none;
+        }
+
+        tbody {
+            .shadow-box {
+                background-color: white;
+            }
+        }
+
+        tr {
+            margin-top: 0 !important;
+            padding: 4px 10px !important;
+            display: block;
+            margin-bottom: 6px;
+
+            td:first-child {
+                font-weight: bold;
+            }
+
+            td:nth-child(-n+3) {
+                text-align: center;
+            }
+
+            td:last-child {
+                text-align: left;
+            }
+
+            td {
+                border-bottom: 1px solid $dark-font-color;
+                display: block;
+                padding: 4px;
+
+                .badge {
+                    margin: auto;
+                    display: block;
+                    width: 30%;
+                }
+            }
+        }
+    }
+}
+
 // Dark Theme override here
 .dark {
-    background-color: #090C10;
+    background-color: #090c10;
     color: $dark-font-color;
 
     &::-webkit-scrollbar-thumb {
@@ -124,7 +170,7 @@ h2 {
     }
 
     .table-hover > tbody > tr:hover {
-        --bs-table-accent-bg: #070A10;
+        --bs-table-accent-bg: #070a10;
         color: $dark-font-color;
     }
 
@@ -192,6 +238,20 @@ h2 {
     .multiselect__option--selected {
         background-color: $dark-bg;
     }
+
+    @media (max-width: 550px) {
+        .table-shadow-box {
+            tbody {
+                .shadow-box {
+                    background-color: $dark-bg2;
+
+                    td {
+                        border-bottom: 1px solid $dark-border-color;
+                    }
+                }
+            }
+        }
+    }
 }
 
 /*
@@ -200,11 +260,13 @@ h2 {
 
 // page-change
 .slide-fade-enter-active {
-    transition: all 0.20s $easing-in;
+    transition: all 0.2s $easing-in;
 }
+
 .slide-fade-leave-active {
-    transition: all 0.20s $easing-in;
+    transition: all 0.2s $easing-in;
 }
+
 .slide-fade-enter-from,
 .slide-fade-leave-to {
     transform: translateY(50px);

src/assets/vars.scss

@@ -1,5 +1,5 @@
-$primary: #5CDD8B;
-$danger: #DC3545;
+$primary: #5cdd8b;
+$danger: #dc3545;
 $warning: #f8a306;
 $link-color: #111;
 $border-radius: 50rem;
@@ -9,8 +9,8 @@ $highlight-white: #e7faec;
 
 $dark-font-color: #b1b8c0;
 $dark-font-color2: #020b05;
-$dark-bg: #0D1117;
-$dark-bg2: #070A10;
+$dark-bg: #0d1117;
+$dark-bg2: #070a10;
 $dark-border-color: #1d2634;
 
 $easing-in: cubic-bezier(0.54, 0.78, 0.55, 0.97);

src/components/Confirm.vue

@@ -4,7 +4,7 @@
             <div class="modal-content">
                 <div class="modal-header">
                     <h5 id="exampleModalLabel" class="modal-title">
-                        Confirm
+                        {{ $t("Confirm") }}
                     </h5>
                     <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close" />
                 </div>
@@ -35,7 +35,7 @@ export default {
         },
         yesText: {
             type: String,
-            default: "Yes",
+            default: "Yes",     // TODO: No idea what to translate this
         },
         noText: {
             type: String,

src/components/HeartbeatBar.vue

@@ -163,10 +163,6 @@ export default {
 
         &.empty {
             background-color: aliceblue;
-
-            .dark & {
-                background-color: #d0d3d5;
-            }
         }
 
         &.down {

src/components/Login.vue

@@ -6,12 +6,12 @@
 
                 <div class="form-floating">
                     <input id="floatingInput" v-model="username" type="text" class="form-control" placeholder="Username">
-                    <label for="floatingInput">Username</label>
+                    <label for="floatingInput">{{ $t("Username") }}</label>
                 </div>
 
                 <div class="form-floating mt-3">
                     <input id="floatingPassword" v-model="password" type="password" class="form-control" placeholder="Password">
-                    <label for="floatingPassword">Password</label>
+                    <label for="floatingPassword">{{ $t("Password") }}</label>
                 </div>
 
                 <div class="form-check mb-3 mt-3 d-flex justify-content-center pe-4">
@@ -19,12 +19,12 @@
                         <input id="remember" v-model="$root.remember" type="checkbox" value="remember-me" class="form-check-input">
 
                         <label class="form-check-label" for="remember">
-                            Remember me
+                            {{ $t("Remember me") }}
                         </label>
                     </div>
                 </div>
                 <button class="w-100 btn btn-primary" type="submit" :disabled="processing">
-                    Login
+                    {{ $t("Login") }}
                 </button>
 
                 <div v-if="res && !res.ok" class="alert alert-danger mt-3" role="alert">

src/components/MonitorList.vue

@@ -1,7 +1,7 @@
 <template>
     <div class="shadow-box list mb-4">
         <div v-if="Object.keys($root.monitorList).length === 0" class="text-center mt-3">
-            No Monitors, please <router-link to="/add">add one</router-link>.
+            {{ $t("No Monitors, please") }} <router-link to="/add">{{ $t("add one") }}</router-link>
         </div>
 
         <router-link v-for="(item, index) in sortedMonitorList" :key="index" :to="monitorURL(item.id)" class="item" :class="{ 'disabled': ! item.active }">

src/components/NotificationDialog.vue

@@ -5,17 +5,17 @@
                 <div class="modal-content">
                     <div class="modal-header">
                         <h5 id="exampleModalLabel" class="modal-title">
-                            Setup Notification
+                            {{ $t("Setup Notification") }}
                         </h5>
                         <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close" />
                     </div>
                     <div class="modal-body">
                         <div class="mb-3">
-                            <label for="type" class="form-label">Notification Type</label>
+                            <label for="type" class="form-label">{{ $t("Notification Type") }}</label>
                             <select id="type" v-model="notification.type" class="form-select">
                                 <option value="telegram">Telegram</option>
                                 <option value="webhook">Webhook</option>
-                                <option value="smtp">Email (SMTP)</option>
+                                <option value="smtp">{{ $t("Email") }} (SMTP)</option>
                                 <option value="discord">Discord</option>
                                 <option value="signal">Signal</option>
                                 <option value="gotify">Gotify</option>
@@ -27,11 +27,12 @@
                                 <option value="apprise">Apprise (Support 50+ Notification services)</option>
                                 <option value="pushbullet">Pushbullet</option>
                                 <option value="line">Line Messenger</option>
+                                <option value="mattermost">Mattermost</option>
                             </select>
                         </div>
 
                         <div class="mb-3">
-                            <label for="name" class="form-label">Friendly Name</label>
+                            <label for="name" class="form-label">{{ $t("Friendly Name") }}</label>
                             <input id="name" v-model="notification.name" type="text" class="form-control" required>
                         </div>
 
@@ -238,6 +239,39 @@
                             </div>
                         </template>
 
+                        <template v-if="notification.type === 'mattermost'">
+                            <div class="mb-3">
+                                <label for="mattermost-webhook-url" class="form-label">Webhook URL<span style="color:red;"><sup>*</sup></span></label>
+                                <input id="mattermost-webhook-url" v-model="notification.mattermostWebhookUrl" type="text" class="form-control" required>
+                                <label for="mattermost-username" class="form-label">Username</label>
+                                <input id="mattermost-username" v-model="notification.mattermostusername" type="text" class="form-control">
+                                <label for="mattermost-iconurl" class="form-label">Icon URL</label>
+                                <input id="mattermost-iconurl" v-model="notification.mattermosticonurl" type="text" class="form-control">
+                                <label for="mattermost-iconemo" class="form-label">Icon Emoji</label>
+                                <input id="mattermost-iconemo" v-model="notification.mattermosticonemo" type="text" class="form-control">
+                                <label for="mattermost-channel" class="form-label">Channel Name</label>
+                                <input id="mattermost-channel-name" v-model="notification.mattermostchannel" type="text" class="form-control">
+                                <div class="form-text">
+                                    <span style="color:red;"><sup>*</sup></span>Required
+                                    <p style="margin-top: 8px;">
+                                        More info about webhooks on: <a href="https://docs.mattermost.com/developer/webhooks-incoming.html" target="_blank">https://docs.mattermost.com/developer/webhooks-incoming.html</a>
+                                    </p>
+                                    <p style="margin-top: 8px;">
+                                        You can override the default channel that webhook posts to by entering the channel name into "Channel Name" field. This needs to be enabled in Mattermost webhook settings. Ex: #other-channel
+                                    </p>
+                                    <p style="margin-top: 8px;">
+                                        If you leave the Uptime Kuma URL field blank, it will default to the Project Github page.
+                                    </p>
+                                    <p style="margin-top: 8px;">
+                                        You can provide a link to a picture in "Icon URL" to override the default profile picture. Will not be used if Icon Emoji is set.
+                                    </p>
+                                    <p style="margin-top: 8px;">
+                                        Emoji cheat sheet: <a href="https://www.webfx.com/tools/emoji-cheat-sheet/" target="_blank">https://www.webfx.com/tools/emoji-cheat-sheet/</a> Note: emoji takes preference over Icon URL.
+                                    </p>
+                                </div>
+                            </div>
+                        </template>
+
                         <template v-if="notification.type === 'pushy'">
                             <div class="mb-3">
                                 <label for="pushy-app-token" class="form-label">API_KEY</label>
@@ -407,13 +441,13 @@
                     </div>
                     <div class="modal-footer">
                         <button v-if="id" type="button" class="btn btn-danger" :disabled="processing" @click="deleteConfirm">
-                            Delete
+                            {{ $t("Delete") }}
                         </button>
                         <button type="button" class="btn btn-warning" :disabled="processing" @click="test">
-                            Test
+                            {{ $t("Test") }}
                         </button>
                         <button type="submit" class="btn btn-primary" :disabled="processing">
-                            Save
+                            {{ $t("Save") }}
                         </button>
                     </div>
                 </div>

src/components/PingChart.vue

@@ -24,6 +24,7 @@ export default {
     },
     data() {
         return {
+            // Configurable filtering on top of the returned data
             chartPeriodHrs: 6,
         };
     },
@@ -55,11 +56,10 @@ export default {
 
                 elements: {
                     point: {
+                        // Hide points on chart unless mouse-over
                         radius: 0,
+                        hitRadius: 100,
                     },
-                    bar: {
-                        barThickness: "flex",
-                    }
                 },
                 scales: {
                     x: {
@@ -77,9 +77,9 @@ export default {
                             maxRotation: 0,
                             autoSkipPadding: 30,
                         },
-                        bounds: "ticks",
                         grid: {
                             color: this.$root.theme === "light" ? "rgba(0,0,0,0.1)" : "rgba(255,255,255,0.1)",
+                            offset: false,
                         },
                     },
                     y: {
@@ -109,8 +109,11 @@ export default {
                         mode: "nearest",
                         intersect: false,
                         padding: 10,
+                        backgroundColor: this.$root.theme === "light" ? "rgba(212,232,222,1.0)" : "rgba(32,42,38,1.0)",
+                        bodyColor: this.$root.theme === "light" ? "rgba(12,12,18,1.0)" : "rgba(220,220,220,1.0)",
+                        titleColor: this.$root.theme === "light" ? "rgba(12,12,18,1.0)" : "rgba(220,220,220,1.0)",
                         filter: function (tooltipItem) {
-                            return tooltipItem.datasetIndex === 0;
+                            return tooltipItem.datasetIndex === 0;  // Hide tooltip on Bar Chart
                         },
                         callbacks: {
                             label: (context) => {
@@ -125,32 +128,29 @@ export default {
             }
         },
         chartData() {
-            let ping_data = [];
-            let down_data = [];
+            let pingData = [];  // Ping Data for Line Chart, y-axis contains ping time
+            let downData = [];  // Down Data for Bar Chart, y-axis is 1 if target is down, 0 if target is up
             if (this.monitorId in this.$root.heartbeatList) {
-                ping_data = this.$root.heartbeatList[this.monitorId]
+                this.$root.heartbeatList[this.monitorId]
                     .filter(
                         (beat) => dayjs.utc(beat.time).tz(this.$root.timezone).isAfter(dayjs().subtract(this.chartPeriodHrs, "hours")))
                     .map((beat) => {
-                        return {
-                            x: dayjs.utc(beat.time).tz(this.$root.timezone).format("YYYY-MM-DD HH:mm:ss"),
+                        const x = this.$root.datetime(beat.time);
+                        pingData.push({
+                            x,
                             y: beat.ping,
-                        };
                         });
-                down_data = this.$root.heartbeatList[this.monitorId]
-                    .filter(
-                        (beat) => dayjs.utc(beat.time).tz(this.$root.timezone).isAfter(dayjs().subtract(this.chartPeriodHrs, "hours")))
-                    .map((beat) => {
-                        return {
-                            x: dayjs.utc(beat.time).tz(this.$root.timezone).format("YYYY-MM-DD HH:mm:ss"),
+                        downData.push({
+                            x,
                             y: beat.status === 0 ? 1 : 0,
-                        };
+                        })
                     });
             }
             return {
                 datasets: [
                     {
-                        data: ping_data,
+                        // Line Chart
+                        data: pingData,
                         fill: "origin",
                         tension: 0.2,
                         borderColor: "#5CDD8B",
@@ -158,11 +158,15 @@ export default {
                         yAxisID: "y",
                     },
                     {
+                        // Bar Chart
                         type: "bar",
-                        data: down_data,
+                        data: downData,
                         borderColor: "#00000000",
                         backgroundColor: "#DC354568",
                         yAxisID: "y1",
+                        barThickness: "flex",
+                        barPercentage: 1,
+                        categoryPercentage: 1,
                     },
                 ],
             };

src/components/Status.vue

@@ -27,18 +27,18 @@ export default {
 
         text() {
             if (this.status === 0) {
-                return "Down"
+                return this.$t("Down");
             }
 
             if (this.status === 1) {
-                return "Up"
+                return this.$t("Up");
             }
 
             if (this.status === 2) {
-                return "Pending"
+                return this.$t("Pending");
             }
 
-            return "Unknown"
+            return this.$t("Unknown");
         },
     },
 }

src/languages/en.js

@@ -0,0 +1,12 @@
+export default {
+    languageName: "English",
+    checkEverySecond: "Check every {0} seconds.",
+    "Avg.": "Avg. ",
+    retriesDescription: "Maximum retries before the service is marked as down and a notification is sent",
+    ignoreTLSError: "Ignore TLS/SSL error for HTTPS websites",
+    upsideDownModeDescription: "Flip the status upside down. If the service is reachable, it is DOWN.",
+    maxRedirectDescription: "Maximum number of redirects to follow. Set to 0 to disable redirects.",
+    acceptedStatusCodesDescription: "Select status codes which are considered as a successful response.",
+    passwordNotMatchMsg: "The repeat password does not match.",
+    notificationDescription: "Please assign a notification to monitor(s) to get it to work.",
+}

src/languages/zh-HK.js

@@ -0,0 +1,97 @@
+export default {
+    languageName: "繁體中文 (香港)",
+    Settings: "設定",
+    Dashboard: "錶板",
+    "New Update": "有更新",
+    Language: "語言",
+    Appearance: "外觀",
+    Theme: "主題",
+    General: "一般",
+    Version: "版本",
+    "Check Update On GitHub": "到 Github 查看更新",
+    List: "列表",
+    Add: "新增",
+    "Add New Monitor": "新增監測器",
+    "Quick Stats": "綜合數據",
+    Up: "上線",
+    Down: "離線",
+    Pending: "待定",
+    Unknown: "不明",
+    Pause: "暫停",
+    Name: "名稱",
+    Status: "狀態",
+    DateTime: "日期時間",
+    Message: "內容",
+    "No important events": "沒有重要事件",
+    Resume: "恢復",
+    Edit: "編輯",
+    Delete: "刪除",
+    Current: "目前",
+    Uptime: "上線率",
+    "Cert Exp.": "証書期限",
+    days: "日",
+    day: "日",
+    "-day": "日",
+    hour: "小時",
+    "-hour": "小時",
+    checkEverySecond: "每 {0} 秒檢查一次",
+    "Avg.": "平均",
+    Response: "反應時間",
+    Ping: "反應時間",
+    "Monitor Type": "監測器類型",
+    Keyword: "關鍵字",
+    "Friendly Name": "名稱",
+    URL: "網址 URL",
+    Hostname: "Hostname",
+    Port: "Port",
+    "Heartbeat Interval": "檢查間距",
+    Retries: "重試數次確定為離線",
+    retriesDescription: "重試多少次後才判定為離線及傳送通知。如數值為 0 會即判定為離線及傳送通知。",
+    Advanced: "進階",
+    ignoreTLSError: "忽略 TLS/SSL 錯誤",
+    "Upside Down Mode": "反轉模式",
+    upsideDownModeDescription: "反轉狀態，如網址是可正常瀏覽，會被判定為 '離線/DOWN'",
+    "Max. Redirects": "跟隨重新導向 (Redirect) 的次數",
+    maxRedirectDescription: "設為 0 即不跟蹤",
+    "Accepted Status Codes": "接受為上線的 HTTP 狀態碼",
+    acceptedStatusCodesDescription: "可多選",
+    Save: "儲存",
+    Notifications: "通知",
+    "Not available, please setup.": "無法使用，需要設定",
+    "Setup Notification": "設定通知",
+    Light: "明亮",
+    Dark: "暗黑",
+    Auto: "自動",
+    "Theme - Heartbeat Bar": "監測器列表 狀態條外觀",
+    Normal: "一般",
+    Bottom: "下方",
+    None: "沒有",
+    Timezone: "時區",
+    "Search Engine Visibility": "是否允許搜尋器索引",
+    "Allow indexing": "允許索引",
+    "Discourage search engines from indexing site": "不建議搜尋器索引",
+    "Change Password": "變更密碼",
+    "Current Password": "目前密碼",
+    "New Password": "新密碼",
+    "Repeat New Password": "確認新密碼",
+    passwordNotMatchMsg: "密碼不一致",
+    "Update Password": "更新密碼",
+    "Disable Auth": "取消登入認証",
+    "Enable Auth": "開啟登入認証",
+    Logout: "登出",
+    notificationDescription: "新增後，你需要在監測器裡啟用。",
+    Leave: "離開",
+    "I understand, please disable": "我明白，請取消登入認証",
+    Confirm: "確認",
+    Yes: "是",
+    No: "否",
+    Username: "帳號",
+    Password: "密碼",
+    "Remember me": "記住我",
+    Login: "登入",
+    "No Monitors, please": "沒有監測器，請",
+    "add one": "新增",
+    "Notification Type": "通知類型",
+    "Email": "電郵",
+    "Test": "測試",
+}

src/layouts/Layout.vue

@@ -9,23 +9,23 @@
         <!-- Desktop header -->
         <header v-if="! $root.isMobile" class="d-flex flex-wrap justify-content-center py-3 mb-3 border-bottom">
             <router-link to="/dashboard" class="d-flex align-items-center mb-3 mb-md-0 me-md-auto text-dark text-decoration-none">
-                <object class="bi me-2 ms-4" width="40" height="40" data="/icon.svg" alt="Logo" />
+                <object class="bi me-2 ms-4" width="40" height="40" data="/icon.svg" />
                 <span class="fs-4 title">Uptime Kuma</span>
             </router-link>
 
             <a v-if="hasNewVersion" target="_blank" href="https://github.com/louislam/uptime-kuma/releases" class="btn btn-info me-3">
-                <font-awesome-icon icon="arrow-alt-circle-up" /> New Update
+                <font-awesome-icon icon="arrow-alt-circle-up" /> {{ $t("New Update") }}
             </a>
 
             <ul class="nav nav-pills">
                 <li class="nav-item">
                     <router-link to="/dashboard" class="nav-link">
-                        <font-awesome-icon icon="tachometer-alt" /> Dashboard
+                        <font-awesome-icon icon="tachometer-alt" /> {{ $t("Dashboard") }}
                     </router-link>
                 </li>
                 <li class="nav-item">
                     <router-link to="/settings" class="nav-link">
-                        <font-awesome-icon icon="cog" /> Settings
+                        <font-awesome-icon icon="cog" /> {{ $t("Settings") }}
                     </router-link>
                 </li>
             </ul>
@@ -48,8 +48,8 @@
         <footer>
             <div class="container-fluid">
                 Uptime Kuma -
-                Version: {{ $root.info.version }} -
-                <a href="https://github.com/louislam/uptime-kuma/releases" target="_blank" rel="noopener">Check Update On GitHub</a>
+                {{ $t("Version") }}: {{ $root.info.version }} -
+                <a href="https://github.com/louislam/uptime-kuma/releases" target="_blank" rel="noopener">{{ $t("Check Update On GitHub") }}</a>
             </div>
         </footer>
 
@@ -58,22 +58,22 @@
         <nav v-if="$root.isMobile" class="bottom-nav">
             <router-link to="/dashboard" class="nav-link">
                 <div><font-awesome-icon icon="tachometer-alt" /></div>
-                Dashboard
+                {{ $t("Dashboard") }}
             </router-link>
 
             <router-link to="/list" class="nav-link">
                 <div><font-awesome-icon icon="list" /></div>
-                List
+                {{ $t("List") }}
             </router-link>
 
             <router-link to="/add" class="nav-link">
                 <div><font-awesome-icon icon="plus" /></div>
-                Add
+                {{ $t("Add") }}
             </router-link>
 
             <router-link to="/settings" class="nav-link">
                 <div><font-awesome-icon icon="cog" /></div>
-                Settings
+                {{ $t("Settings") }}
             </router-link>
         </nav>
     </div>
@@ -173,7 +173,7 @@ export default {
 }
 
 main {
-    min-height: calc(100vh - 160px)
+    min-height: calc(100vh - 160px);
 }
 
 .title {
@@ -191,7 +191,7 @@ main {
 }
 
 footer {
-    color: #AAA;
+    color: #aaa;
     font-size: 13px;
     margin-top: 10px;
     padding-bottom: 30px;
@@ -201,11 +201,11 @@ footer {
 
 .dark {
     header {
-        background-color: #161B22;
-        border-bottom-color: #161B22 !important;
+        background-color: #161b22;
+        border-bottom-color: #161b22 !important;
 
         span {
-            color: #F0F6FC;
+            color: #f0f6fc;
         }
     }
 

src/main.js

@@ -1,5 +1,6 @@
 import "bootstrap";
 import { createApp, h } from "vue";
+import { createI18n } from "vue-i18n"
 import { createRouter, createWebHistory } from "vue-router";
 import Toast from "vue-toastification";
 import "vue-toastification/dist/index.css";
@@ -22,6 +23,9 @@ import List from "./pages/List.vue";
 
 import { appName } from "./util.ts";
 
+import en from "./languages/en";
+import zhHK from "./languages/zh-HK";
+
 const routes = [
     {
         path: "/",
@@ -83,6 +87,19 @@ const router = createRouter({
     routes,
 })
 
+const languageList = {
+    en,
+    "zh-HK": zhHK,
+};
+
+const i18n = createI18n({
+    locale: localStorage.locale || "en",
+    fallbackLocale: "en",
+    silentFallbackWarn: true,
+    silentTranslationWarn: true,
+    messages: languageList
+});
+
 const app = createApp({
     mixins: [
         socket,
@@ -98,7 +115,8 @@ const app = createApp({
     render: () => h(App),
 })
 
-app.use(router)
+app.use(router);
+app.use(i18n);
 
 const options = {
     position: "bottom-right",

src/pages/Dashboard.vue

@@ -3,7 +3,7 @@
         <div class="row">
             <div v-if="! $root.isMobile" class="col-12 col-md-5 col-xl-4">
                 <div>
-                    <router-link to="/add" class="btn btn-primary mb-3"><font-awesome-icon icon="plus" /> Add New Monitor</router-link>
+                    <router-link to="/add" class="btn btn-primary mb-3"><font-awesome-icon icon="plus" /> {{ $t("Add New Monitor") }}</router-link>
                 </div>
                 <MonitorList />
             </div>
@@ -32,6 +32,6 @@ export default {
 
 <style lang="scss" scoped>
 .container-fluid {
-    width: 98%
+    width: 98%;
 }
 </style>

src/pages/DashboardHome.vue

@@ -2,63 +2,51 @@
     <transition name="slide-fade" appear>
         <div v-if="$route.name === 'DashboardHome'">
             <h1 class="mb-3">
-                Quick Stats
+                {{ $t("Quick Stats") }}
             </h1>
 
             <div class="shadow-box big-padding text-center">
                 <div class="row">
                     <div class="col">
-                        <h3>Up</h3>
+                        <h3>{{ $t("Up") }}</h3>
                         <span class="num">{{ stats.up }}</span>
                     </div>
                     <div class="col">
-                        <h3>Down</h3>
+                        <h3>{{ $t("Down") }}</h3>
                         <span class="num text-danger">{{ stats.down }}</span>
                     </div>
                     <div class="col">
-                        <h3>Unknown</h3>
+                        <h3>{{ $t("Unknown") }}</h3>
                         <span class="num text-secondary">{{ stats.unknown }}</span>
                     </div>
                     <div class="col">
-                        <h3>Pause</h3>
+                        <h3>{{ $t("Pause") }}</h3>
                         <span class="num text-secondary">{{ stats.pause }}</span>
                     </div>
                 </div>
-                <div v-if="false" class="row">
-                    <div class="col-3">
-                        <h3>Uptime</h3>
-                        <p>(24-hour)</p>
-                        <span class="num" />
-                    </div>
-                    <div class="col-3">
-                        <h3>Uptime</h3>
-                        <p>(30-day)</p>
-                        <span class="num" />
-                    </div>
-                </div>
             </div>
 
-            <div class="shadow-box" style="margin-top: 25px;overflow-x: scroll">
+            <div class="shadow-box table-shadow-box" style="overflow-x: scroll;">
                 <table class="table table-borderless table-hover">
                     <thead>
                         <tr>
-                            <th>Name</th>
-                            <th>Status</th>
-                            <th>DateTime</th>
-                            <th>Message</th>
+                            <th>{{ $t("Name") }}</th>
+                            <th>{{ $t("Status") }}</th>
+                            <th>{{ $t("DateTime") }}</th>
+                            <th>{{ $t("Message") }}</th>
                         </tr>
                     </thead>
                     <tbody>
-                        <tr v-for="(beat, index) in displayedRecords" :key="index">
+                        <tr v-for="(beat, index) in displayedRecords" :key="index" :class="{ 'shadow-box': $root.windowWidth <= 550}">
                             <td>{{ beat.name }}</td>
                             <td><Status :status="beat.status" /></td>
-                            <td><Datetime :value="beat.time" /></td>
-                            <td>{{ beat.msg }}</td>
+                            <td :class="{ 'border-0':! beat.msg}"><Datetime :value="beat.time" /></td>
+                            <td class="border-0">{{ beat.msg }}</td>
                         </tr>
 
                         <tr v-if="importantHeartBeatList.length === 0">
                             <td colspan="4">
-                                No important events
+                                {{ $t("No important events") }}
                             </td>
                         </tr>
                     </tbody>
@@ -182,6 +170,7 @@ export default {
 
 .shadow-box {
     padding: 20px;
+    margin-top: 25px;
 }
 
 table {

src/pages/Details.vue

@@ -1,6 +1,6 @@
 <template>
     <transition name="slide-fade" appear>
-        <div>
+        <div v-if="monitor">
             <h1> {{ monitor.name }}</h1>
             <p class="url">
                 <a v-if="monitor.type === 'http' || monitor.type === 'keyword' " :href="monitor.url" target="_blank">{{ monitor.url }}</a>
@@ -14,16 +14,16 @@
 
             <div class="functions">
                 <button v-if="monitor.active" class="btn btn-light" @click="pauseDialog">
-                    <font-awesome-icon icon="pause" /> Pause
+                    <font-awesome-icon icon="pause" /> {{ $t("Pause") }}
                 </button>
                 <button v-if="! monitor.active" class="btn btn-primary" @click="resumeMonitor">
-                    <font-awesome-icon icon="play" /> Resume
+                    <font-awesome-icon icon="play" /> {{ $t("Resume") }}
                 </button>
                 <router-link :to=" '/edit/' + monitor.id " class="btn btn-secondary">
-                    <font-awesome-icon icon="edit" /> Edit
+                    <font-awesome-icon icon="edit" /> {{ $t("Edit") }}
                 </router-link>
                 <button class="btn btn-danger" @click="deleteDialog">
-                    <font-awesome-icon icon="trash" /> Delete
+                    <font-awesome-icon icon="trash" /> {{ $t("Delete") }}
                 </button>
             </div>
 
@@ -31,10 +31,10 @@
                 <div class="row">
                     <div class="col-md-8">
                         <HeartbeatBar :monitor-id="monitor.id" />
-                        <span class="word">Check every {{ monitor.interval }} seconds.</span>
+                        <span class="word">{{ $t("checkEverySecond", [ monitor.interval ]) }}</span>
                     </div>
                     <div class="col-md-4 text-center">
-                        <span class="badge rounded-pill" :class=" 'bg-' + status.color " style="font-size: 30px">{{ status.text }}</span>
+                        <span class="badge rounded-pill" :class=" 'bg-' + status.color " style="font-size: 30px;">{{ status.text }}</span>
                     </div>
                 </div>
             </div>
@@ -43,7 +43,7 @@
                 <div class="row">
                     <div class="col">
                         <h4>{{ pingTitle }}</h4>
-                        <p>(Current)</p>
+                        <p>({{ $t("Current") }})</p>
                         <span class="num">
                             <a href="#" @click.prevent="showPingChartBox = !showPingChartBox">
                                 <CountUp :value="ping" />
@@ -51,26 +51,26 @@
                         </span>
                     </div>
                     <div class="col">
-                        <h4>Avg. {{ pingTitle }}</h4>
-                        <p>(24-hour)</p>
+                        <h4>{{ $t("Avg.") }}{{ pingTitle }}</h4>
+                        <p>(24{{ $t("-hour") }})</p>
                         <span class="num"><CountUp :value="avgPing" /></span>
                     </div>
                     <div class="col">
-                        <h4>Uptime</h4>
-                        <p>(24-hour)</p>
+                        <h4>{{ $t("Uptime") }}</h4>
+                        <p>(24{{ $t("-hour") }})</p>
                         <span class="num"><Uptime :monitor="monitor" type="24" /></span>
                     </div>
                     <div class="col">
-                        <h4>Uptime</h4>
-                        <p>(30-day)</p>
+                        <h4>{{ $t("Uptime") }}</h4>
+                        <p>(30{{ $t("-day") }})</p>
                         <span class="num"><Uptime :monitor="monitor" type="720" /></span>
                     </div>
 
                     <div v-if="certInfo" class="col">
-                        <h4>Cert Exp.</h4>
+                        <h4>{{ $t("Cert Exp.") }}</h4>
                         <p>(<Datetime :value="certInfo.validTo" date-only />)</p>
                         <span class="num">
-                            <a href="#" @click.prevent="toggleCertInfoBox = !toggleCertInfoBox">{{ certInfo.daysRemaining }} days</a>
+                            <a href="#" @click.prevent="toggleCertInfoBox = !toggleCertInfoBox">{{ certInfo.daysRemaining }} {{ $t("days") }}</a>
                         </span>
                     </div>
                 </div>
@@ -128,25 +128,25 @@
                 </div>
             </div>
 
-            <div class="shadow-box">
+            <div class="shadow-box table-shadow-box">
                 <table class="table table-borderless table-hover">
                     <thead>
                         <tr>
-                            <th>Status</th>
-                            <th>DateTime</th>
-                            <th>Message</th>
+                            <th>{{ $t("Status") }}</th>
+                            <th>{{ $t("DateTime") }}</th>
+                            <th>{{ $t("Message") }}</th>
                         </tr>
                     </thead>
                     <tbody>
-                        <tr v-for="(beat, index) in displayedRecords" :key="index">
+                        <tr v-for="(beat, index) in displayedRecords" :key="index" :class="{ 'shadow-box': $root.windowWidth <= 550}" style="padding: 10px;">
                             <td><Status :status="beat.status" /></td>
-                            <td><Datetime :value="beat.time" /></td>
-                            <td>{{ beat.msg }}</td>
+                            <td :class="{ 'border-0':! beat.msg}"><Datetime :value="beat.time" /></td>
+                            <td class="border-0">{{ beat.msg }}</td>
                         </tr>
 
                         <tr v-if="importantHeartBeatList.length === 0">
                             <td colspan="3">
-                                No important events
+                                {{ $t("No important events") }}
                             </td>
                         </tr>
                     </tbody>
@@ -209,10 +209,9 @@ export default {
 
         pingTitle() {
             if (this.monitor.type === "http") {
-                return "Response"
+                return this.$t("Response");
             }
-
-            return "Ping"
+            return this.$t("Ping");
         },
 
         monitor() {
@@ -385,7 +384,7 @@ export default {
 }
 
 .word {
-    color: #AAA;
+    color: #aaa;
     font-size: 14px;
 }
 
@@ -399,7 +398,7 @@ table {
 
 .stats p {
     font-size: 13px;
-    color: #AAA;
+    color: #aaa;
 }
 
 .stats {

src/pages/EditMonitor.vue

@@ -6,10 +6,10 @@
                 <div class="shadow-box">
                     <div class="row">
                         <div class="col-md-6">
-                            <h2 class="mb-2">General</h2>
+                            <h2 class="mb-2">{{ $t("General") }}</h2>
 
                             <div class="my-3">
-                                <label for="type" class="form-label">Monitor Type</label>
+                                <label for="type" class="form-label">{{ $t("Monitor Type") }}</label>
                                 <select id="type" v-model="monitor.type" class="form-select" aria-label="Default select example">
                                     <option value="http">
                                         HTTP(s)
@@ -21,7 +21,7 @@
                                         Ping
                                     </option>
                                     <option value="keyword">
-                                        HTTP(s) - Keyword
+                                        HTTP(s) - {{ $t("Keyword") }}
                                     </option>
                                     <option value="dns">
                                         DNS
@@ -30,17 +30,17 @@
                             </div>
 
                             <div class="my-3">
-                                <label for="name" class="form-label">Friendly Name</label>
+                                <label for="name" class="form-label">{{ $t("Friendly Name") }}</label>
                                 <input id="name" v-model="monitor.name" type="text" class="form-control" required>
                             </div>
 
                             <div v-if="monitor.type === 'http' || monitor.type === 'keyword' " class="my-3">
-                                <label for="url" class="form-label">URL</label>
+                                <label for="url" class="form-label">{{ $t("URL") }}</label>
                                 <input id="url" v-model="monitor.url" type="url" class="form-control" pattern="https?://.+" required>
                             </div>
 
                             <div v-if="monitor.type === 'keyword' " class="my-3">
-                                <label for="keyword" class="form-label">Keyword</label>
+                                <label for="keyword" class="form-label">{{ $t("Keyword") }}</label>
                                 <input id="keyword" v-model="monitor.keyword" type="text" class="form-control" required>
                                 <div class="form-text">
                                     Search keyword in plain html or JSON response and it is case-sensitive
@@ -48,12 +48,12 @@
                             </div>
 
                             <div v-if="monitor.type === 'port' || monitor.type === 'ping' " class="my-3">
-                                <label for="hostname" class="form-label">Hostname</label>
+                                <label for="hostname" class="form-label">{{ $t("Hostname") }}</label>
                                 <input id="hostname" v-model="monitor.hostname" type="text" class="form-control" required>
                             </div>
 
                             <div v-if="monitor.type === 'port' " class="my-3">
-                                <label for="port" class="form-label">Port</label>
+                                <label for="port" class="form-label">{{ $t("Port") }}</label>
                                 <input id="port" v-model="monitor.port" type="number" class="form-control" required min="0" max="65535" step="1">
                             </div>
 
@@ -93,47 +93,47 @@
                             </div>
 
                             <div class="my-3">
-                                <label for="interval" class="form-label">Heartbeat Interval (Every {{ monitor.interval }} seconds)</label>
+                                <label for="interval" class="form-label">{{ $t("Heartbeat Interval") }} ({{ $t("checkEverySecond", [ monitor.interval ]) }})</label>
                                 <input id="interval" v-model="monitor.interval" type="number" class="form-control" required min="20" step="1">
                             </div>
 
                             <div class="my-3">
-                                <label for="maxRetries" class="form-label">Retries</label>
+                                <label for="maxRetries" class="form-label">{{ $t("Retries") }}</label>
                                 <input id="maxRetries" v-model="monitor.maxretries" type="number" class="form-control" required min="0" step="1">
                                 <div class="form-text">
-                                    Maximum retries before the service is marked as down and a notification is sent
+                                    {{ $t("retriesDescription") }}
                                 </div>
                             </div>
 
-                            <h2 class="mt-5 mb-2">Advanced</h2>
+                            <h2 class="mt-5 mb-2">{{ $t("Advanced") }}</h2>
 
                             <div v-if="monitor.type === 'http' || monitor.type === 'keyword' " class="my-3 form-check">
                                 <input id="ignore-tls" v-model="monitor.ignoreTls" class="form-check-input" type="checkbox" value="">
                                 <label class="form-check-label" for="ignore-tls">
-                                    Ignore TLS/SSL error for HTTPS websites
+                                    {{ $t("ignoreTLSError") }}
                                 </label>
                             </div>
 
                             <div class="my-3 form-check">
                                 <input id="upside-down" v-model="monitor.upsideDown" class="form-check-input" type="checkbox">
                                 <label class="form-check-label" for="upside-down">
-                                    Upside Down Mode
+                                    {{ $t("Upside Down Mode") }}
                                 </label>
                                 <div class="form-text">
-                                    Flip the status upside down. If the service is reachable, it is DOWN.
+                                    {{ $t("upsideDownModeDescription") }}
                                 </div>
                             </div>
 
                             <div v-if="monitor.type === 'http' || monitor.type === 'keyword' " class="my-3">
-                                <label for="maxRedirects" class="form-label">Max. Redirects</label>
+                                <label for="maxRedirects" class="form-label">{{ $t("Max. Redirects") }}</label>
                                 <input id="maxRedirects" v-model="monitor.maxredirects" type="number" class="form-control" required min="0" step="1">
                                 <div class="form-text">
-                                    Maximum number of redirects to follow. Set to 0 to disable redirects.
+                                    {{ $t("maxRedirectDescription") }}
                                 </div>
                             </div>
 
                             <div v-if="monitor.type === 'http' || monitor.type === 'keyword' " class="my-3">
-                                <label for="acceptedStatusCodes" class="form-label">Accepted Status Codes</label>
+                                <label for="acceptedStatusCodes" class="form-label">{{ $t("Accepted Status Codes") }}</label>
 
                                 <VueMultiselect
                                     id="acceptedStatusCodes"
@@ -150,21 +150,21 @@
                                 ></VueMultiselect>
 
                                 <div class="form-text">
-                                    Select status codes which are considered as a successful response.
+                                    {{ $t("acceptedStatusCodesDescription") }}
                                 </div>
                             </div>
 
                             <div class="mt-5 mb-1">
-                                <button class="btn btn-primary" type="submit" :disabled="processing">Save</button>
+                                <button class="btn btn-primary" type="submit" :disabled="processing">{{ $t("Save") }}</button>
                             </div>
                         </div>
 
                         <div class="col-md-6">
                             <div v-if="$root.isMobile" class="mt-3" />
 
-                            <h2 class="mb-2">Notifications</h2>
+                            <h2 class="mb-2">{{ $t("Notifications") }}</h2>
                             <p v-if="$root.notificationList.length === 0">
-                                Not available, please setup.
+                                {{ $t("Not available, please setup.") }}
                             </p>
 
                             <div v-for="notification in $root.notificationList" :key="notification.id" class="form-check form-switch my-3">
@@ -172,12 +172,12 @@
 
                                 <label class="form-check-label" :for=" 'notification' + notification.id">
                                     {{ notification.name }}
-                                    <a href="#" @click="$refs.notificationDialog.show(notification.id)">Edit</a>
+                                    <a href="#" @click="$refs.notificationDialog.show(notification.id)">{{ $t("Edit") }}</a>
                                 </label>
                             </div>
 
                             <button class="btn btn-primary me-2" type="button" @click="$refs.notificationDialog.show()">
-                                Setup Notification
+                                {{ $t("Setup Notification") }}
                             </button>
                         </div>
                     </div>
@@ -217,7 +217,7 @@ export default {
 
     computed: {
         pageName() {
-            return (this.isAdd) ? "Add New Monitor" : "Edit"
+            return this.$t((this.isAdd) ? "Add New Monitor" : "Edit");
         },
         isAdd() {
             return this.$route.path === "/add";

src/pages/Settings.vue

@@ -2,53 +2,63 @@
     <transition name="slide-fade" appear>
         <div>
             <h1 v-show="show" class="mb-3">
-                Settings
+                {{ $t("Settings") }}
             </h1>
 
             <div class="shadow-box">
                 <div class="row">
                     <div class="col-md-6">
-                        <h2 class="mb-2">General</h2>
+                        <h2 class="mb-2">{{ $t("Appearance") }}</h2>
 
-                        <form class="mb-3" @submit.prevent="saveGeneral">
                         <div class="mb-3">
-                                <label for="timezone" class="form-label">Theme</label>
+                            <label for="language" class="form-label">{{ $t("Language") }}</label>
+                            <select id="language" v-model="$i18n.locale" class="form-select">
+                                <option v-for="(lang, i) in $i18n.availableLocales" :key="`Lang${i}`" :value="lang">
+                                    {{ $i18n.messages[lang].languageName }}
+                                </option>
+                            </select>
+                        </div>
+
+                        <div class="mb-3">
+                            <label for="timezone" class="form-label">{{ $t("Theme") }}</label>
 
                             <div>
                                 <div class="btn-group" role="group" aria-label="Basic checkbox toggle button group">
                                     <input id="btncheck1" v-model="$root.userTheme" type="radio" class="btn-check" name="theme" autocomplete="off" value="light">
-                                        <label class="btn btn-outline-primary" for="btncheck1">Light</label>
+                                    <label class="btn btn-outline-primary" for="btncheck1">{{ $t("Light") }}</label>
 
                                     <input id="btncheck2" v-model="$root.userTheme" type="radio" class="btn-check" name="theme" autocomplete="off" value="dark">
-                                        <label class="btn btn-outline-primary" for="btncheck2">Dark</label>
+                                    <label class="btn btn-outline-primary" for="btncheck2">{{ $t("Dark") }}</label>
 
                                     <input id="btncheck3" v-model="$root.userTheme" type="radio" class="btn-check" name="theme" autocomplete="off" value="auto">
-                                        <label class="btn btn-outline-primary" for="btncheck3">Auto</label>
+                                    <label class="btn btn-outline-primary" for="btncheck3">{{ $t("Auto") }}</label>
                                 </div>
                             </div>
                         </div>
 
                         <div class="mb-3">
-                                <label class="form-label">Theme - Heartbeat Bar</label>
+                            <label class="form-label">{{ $t("Theme - Heartbeat Bar") }}</label>
                             <div>
                                 <div class="btn-group" role="group" aria-label="Basic checkbox toggle button group">
                                     <input id="btncheck4" v-model="$root.userHeartbeatBar" type="radio" class="btn-check" name="heartbeatBarTheme" autocomplete="off" value="normal">
-                                        <label class="btn btn-outline-primary" for="btncheck4">Normal</label>
+                                    <label class="btn btn-outline-primary" for="btncheck4">{{ $t("Normal") }}</label>
 
                                     <input id="btncheck5" v-model="$root.userHeartbeatBar" type="radio" class="btn-check" name="heartbeatBarTheme" autocomplete="off" value="bottom">
-                                        <label class="btn btn-outline-primary" for="btncheck5">Bottom</label>
+                                    <label class="btn btn-outline-primary" for="btncheck5">{{ $t("Bottom") }}</label>
 
                                     <input id="btncheck6" v-model="$root.userHeartbeatBar" type="radio" class="btn-check" name="heartbeatBarTheme" autocomplete="off" value="none">
-                                        <label class="btn btn-outline-primary" for="btncheck6">None</label>
+                                    <label class="btn btn-outline-primary" for="btncheck6">{{ $t("None") }}</label>
                                 </div>
                             </div>
                         </div>
 
+                        <h2 class="mt-5 mb-2">{{ $t("General") }}</h2>
+                        <form class="mb-3" @submit.prevent="saveGeneral">
                             <div class="mb-3">
-                                <label for="timezone" class="form-label">Timezone</label>
+                                <label for="timezone" class="form-label">{{ $t("Timezone") }}</label>
                                 <select id="timezone" v-model="$root.userTimezone" class="form-select">
                                     <option value="auto">
-                                        Auto: {{ guessTimezone }}
+                                        {{ $t("Auto") }}: {{ guessTimezone }}
                                     </option>
                                     <option v-for="(timezone, index) in timezoneList" :key="index" :value="timezone.value">
                                         {{ timezone.name }}
@@ -57,65 +67,65 @@
                             </div>
 
                             <div class="mb-3">
-                                <label class="form-label">Search Engine Visibility</label>
+                                <label class="form-label">{{ $t("Search Engine Visibility") }}</label>
 
                                 <div class="form-check">
                                     <input id="searchEngineIndexYes" v-model="settings.searchEngineIndex" class="form-check-input" type="radio" name="flexRadioDefault" :value="true" required>
                                     <label class="form-check-label" for="searchEngineIndexYes">
-                                        Allow indexing
+                                        {{ $t("Allow indexing") }}
                                     </label>
                                 </div>
                                 <div class="form-check">
                                     <input id="searchEngineIndexNo" v-model="settings.searchEngineIndex" class="form-check-input" type="radio" name="flexRadioDefault" :value="false" required>
                                     <label class="form-check-label" for="searchEngineIndexNo">
-                                        Discourage search engines from indexing site
+                                        {{ $t("Discourage search engines from indexing site") }}
                                     </label>
                                 </div>
                             </div>
 
                             <div>
                                 <button class="btn btn-primary" type="submit">
-                                    Save
+                                    {{ $t("Save") }}
                                 </button>
                             </div>
                         </form>
 
                         <template v-if="loaded">
                             <template v-if="! settings.disableAuth">
-                                <h2 class="mt-5 mb-2">Change Password</h2>
+                                <h2 class="mt-5 mb-2">{{ $t("Change Password") }}</h2>
                                 <form class="mb-3" @submit.prevent="savePassword">
                                     <div class="mb-3">
-                                        <label for="current-password" class="form-label">Current Password</label>
+                                        <label for="current-password" class="form-label">{{ $t("Current Password") }}</label>
                                         <input id="current-password" v-model="password.currentPassword" type="password" class="form-control" required>
                                     </div>
 
                                     <div class="mb-3">
-                                        <label for="new-password" class="form-label">New Password</label>
+                                        <label for="new-password" class="form-label">{{ $t("New Password") }}</label>
                                         <input id="new-password" v-model="password.newPassword" type="password" class="form-control" required>
                                     </div>
 
                                     <div class="mb-3">
-                                        <label for="repeat-new-password" class="form-label">Repeat New Password</label>
+                                        <label for="repeat-new-password" class="form-label">{{ $t("Repeat New Password") }}</label>
                                         <input id="repeat-new-password" v-model="password.repeatNewPassword" type="password" class="form-control" :class="{ 'is-invalid' : invalidPassword }" required>
                                         <div class="invalid-feedback">
-                                            The repeat password does not match.
+                                            {{ $t("passwordNotMatchMsg") }}
                                         </div>
                                     </div>
 
                                     <div>
                                         <button class="btn btn-primary" type="submit">
-                                            Update Password
+                                            {{ $t("Update Password") }}
                                         </button>
                                     </div>
                                 </form>
                             </template>
 
-                            <h2 class="mt-5 mb-2">Advanced</h2>
+                            <h2 class="mt-5 mb-2">{{ $t("Advanced") }}</h2>
 
                             <div class="mb-3">
-                                <button v-if="settings.disableAuth" class="btn btn-outline-primary me-1" @click="enableAuth">Enable Auth</button>
-                                <button v-if="! settings.disableAuth" class="btn btn-primary me-1" @click="confirmDisableAuth">Disable Auth</button>
-                                <button v-if="! settings.disableAuth" class="btn btn-danger me-1" @click="$root.logout">Logout</button>
+                                <button v-if="settings.disableAuth" class="btn btn-outline-primary me-1" @click="enableAuth">{{ $t("Enable Auth") }}</button>
+                                <button v-if="! settings.disableAuth" class="btn btn-primary me-1" @click="confirmDisableAuth">{{ $t("Disable Auth") }}</button>
+                                <button v-if="! settings.disableAuth" class="btn btn-danger me-1" @click="$root.logout">{{ $t("Logout") }}</button>
                             </div>
                         </template>
                     </div>
@@ -123,23 +133,23 @@
                     <div class="notification-list col-md-6">
                         <div v-if="$root.isMobile" class="mt-3" />
 
-                        <h2>Notifications</h2>
+                        <h2>{{ $t("Notifications") }}</h2>
                         <p v-if="$root.notificationList.length === 0">
-                            Not available, please setup.
+                            {{ $t("Not available, please setup.") }}
                         </p>
                         <p v-else>
-                            Please assign a notification to monitor(s) to get it to work.
+                            {{ $t("notificationDescription") }}
                         </p>
 
                         <ul class="list-group mb-3" style="border-radius: 1rem;">
                             <li v-for="(notification, index) in $root.notificationList" :key="index" class="list-group-item">
                                 {{ notification.name }}<br>
-                                <a href="#" @click="$refs.notificationDialog.show(notification.id)">Edit</a>
+                                <a href="#" @click="$refs.notificationDialog.show(notification.id)">{{ $t("Edit") }}</a>
                             </li>
                         </ul>
 
                         <button class="btn btn-primary me-2" type="button" @click="$refs.notificationDialog.show()">
-                            Setup Notification
+                            {{ $t("Setup Notification") }}
                         </button>
                     </div>
                 </div>
@@ -147,10 +157,18 @@
 
             <NotificationDialog ref="notificationDialog" />
 
-            <Confirm ref="confirmDisableAuth" btn-style="btn-danger" yes-text="I understand, please disable" no-text="Leave" @yes="disableAuth">
+            <Confirm ref="confirmDisableAuth" btn-style="btn-danger" :yes-text="$t('I understand, please disable')" :no-text="$t('Leave')" @yes="disableAuth">
+                <template v-if="$i18n.locale === 'en' ">
                     <p>Are you sure want to <strong>disable auth</strong>?</p>
                     <p>It is for <strong>someone who have 3rd-party auth</strong> in front of Uptime Kuma such as Cloudflare Access.</p>
                     <p>Please use it carefully.</p>
+                </template>
+
+                <template v-if="$i18n.locale === 'zh-HK' ">
+                    <p>你是否確認<strong>取消登入認証</strong>？</p>
+                    <p>這個功能是設計給已有<strong>第三方認証</strong>的用家，例如 Cloudflare Access。</p>
+                    <p>請小心使用。</p>
+                </template>
             </Confirm>
         </div>
     </transition>
@@ -195,6 +213,10 @@ export default {
         "password.repeatNewPassword"() {
             this.invalidPassword = false;
         },
+
+        "$i18n.locale"() {
+            localStorage.locale = this.$i18n.locale;
+        },
     },
 
     mounted() {

src/util.ts

@@ -1,4 +1,3 @@
-// @ts-nocheck
 // Common Util for frontend and backend
 // Backend uses the compiled file util.js
 // Frontend uses util.ts
@@ -13,7 +12,7 @@ export const DOWN = 0;
 export const UP = 1;
 export const PENDING = 2;
 
-export function flipStatus(s) {
+export function flipStatus(s: number) {
     if (s === UP) {
         return DOWN;
     }
@@ -25,7 +24,7 @@ export function flipStatus(s) {
     return s;
 }
 
-export function sleep(ms) {
+export function sleep(ms: number) {
     return new Promise(resolve => setTimeout(resolve, ms));
 }
 
@@ -33,7 +32,7 @@ export function sleep(ms) {
  * PHP's ucfirst
  * @param str
  */
-export function ucfirst(str) {
+export function ucfirst(str: string) {
     if (!str) {
         return str;
     }
@@ -42,12 +41,15 @@ export function ucfirst(str) {
     return firstLetter.toUpperCase() + str.substr(1);
 }
 
-export function debug(msg) {
+export function debug(msg: any) {
     if (isDev) {
         console.log(msg);
     }
 }
 
+
+declare global { interface String { replaceAll(str: string, newStr: string): string; } }
+
 export function polyfill() {
     /**
      * String.prototype.replaceAll() polyfill
@@ -56,7 +58,7 @@ export function polyfill() {
      * @license MIT
      */
     if (!String.prototype.replaceAll) {
-        String.prototype.replaceAll = function (str, newStr) {
+        String.prototype.replaceAll = function (str: string, newStr: string) {
 
             // If a regex pattern
             if (Object.prototype.toString.call(str).toLowerCase() === "[object regexp]") {
@@ -71,11 +73,13 @@ export function polyfill() {
 }
 
 export class TimeLogger {
+    startTime: number;
+
     constructor() {
         this.startTime = dayjs().valueOf();
     }
 
-    print(name) {
+    print(name: string) {
         if (isDev) {
             console.log(name + ": " + (dayjs().valueOf() - this.startTime) + "ms")
         }
@@ -85,7 +89,7 @@ export class TimeLogger {
 /**
  * Returns a random number between min (inclusive) and max (exclusive)
  */
-export function getRandomArbitrary(min, max) {
+export function getRandomArbitrary(min: number, max: number) {
     return Math.random() * (max - min) + min;
 }
 
@@ -98,7 +102,7 @@ export function getRandomArbitrary(min, max) {
  * lower than max if max isn't an integer).
  * Using Math.round() will give you a non-uniform distribution!
  */
-export function getRandomInt(min, max) {
+export function getRandomInt(min: number, max: number) {
     min = Math.ceil(min);
     max = Math.floor(max);
     return Math.floor(Math.random() * (max - min + 1)) + min;

tsconfig.json

@@ -4,14 +4,15 @@
         "target": "es2018",
         "module": "commonjs",
         "lib": [
-            "es2020"
+            "es2020",
+            "DOM",
         ],
         "removeComments": true,
         "preserveConstEnums": true,
         "sourceMap": false,
-        "files.insertFinalNewline": true
+        "strict": true
     },
     "files": [
-        "./server/util.ts"
+        "./src/util.ts"
     ]
 }