Add configurable app icon

docs/nodes/config/ui-base.md

@@ -2,6 +2,7 @@
 description: Configure the base UI settings of Node-RED Dashboard 2.0 to tailor the dashboard environment to your needs.
 props:
     Path: The endpoint proceeding the host of Node-RED where your UI will be accessible
+    App Icon: Allows you to set a custom icon for your application. Provide the URL to the App Icon, which will be displayed as the app icon and in the browser tab.
     Include Page Path in Label: The side navigation lists all available Pages for the Dashboard. By default, this will just show the page name, but this option allows you to also show the page's path.
     Side Navigation Style: The style the side navigation menu should use (default, fixed, icon, temporary, none)
 ---

nodes/config/locales/en-US/ui_base.html

@@ -17,4 +17,11 @@
             </ul>
         </dd>
     </dl>
+    <dt>
+        App Icon
+        <span class="property-type">URL</span>
+    </dt>
+    <dd>
+        You can provide a custom URL for your application's icon, which will be displayed as the app icon and in the browser tab.
+    </dd>
 </script>

nodes/config/locales/en-US/ui_base.json

@@ -4,6 +4,7 @@
         "label": {
             "uiName": "UI Name",
             "path": "Path",
+            "appIcon": "App Icon",
             "category": "dashboard 2",
             "dashboard2": "Dashboard 2.0",
             "editSettings": "Edit Settings",

nodes/config/ui_base.html

@@ -326,6 +326,9 @@
                 value: '/dashboard',
                 required: true
             },
+            appIcon: {
+                value: ''
+            },
             includeClientData: {
                 value: true
             },
@@ -364,6 +367,10 @@
                 // update the jquery checkbox
                 $('#node-config-input-showPageTitle').prop('checked', true)
             }
+
+            if (this.appIcon) {
+                $('#node-config-input-appIcon').val(this.appIcon)
+            }
         },
         onpaletteadd: function () {
             // add the Dashboard 2.0 sidebar
@@ -391,6 +398,7 @@
             icon: null,
             color: null,
             isSubflowInstance: false,
+            appIcon: node.appIcon,
             node
         }
         if (hasProperty(node, 'group')) { item.group = node.group }
@@ -1988,6 +1996,11 @@
         <input type="text" id="node-config-input-path" disabled>
         <span style="display: block; margin-left: 105px; margin-top: 0px; font-style: italic; color: #bbb; font-size: 8pt;">This option is currently disabled and still in-development.</span>
     </div>
+    <div class="form-row">
+        <label for="node-config-input-appIcon"><i class="fa fa-cube"></i> <span data-i18n="ui-base.label.appIcon"></label>
+        <input type="text" id="node-config-input-appIcon">
+        <span style="display: block; margin-left: 105px; margin-top: 0px; font-style: italic; color: #bbb; font-size: 8pt;">Enter the url of your app icon here</span>
+    </div>
     <div class="form-row" style="margin-bottom: 0;">
         <label style="font-weight: 600; width: auto;" data-i18n="ui-base.label.header"></label>
     </div>

nodes/config/ui_base.js

@@ -139,6 +139,28 @@ module.exports = function (RED) {
                 res.sendFile(path.join(__dirname, '../../dist/index.html'))
             })
 
+            uiShared.app.get('/dashboard/manifest.webmanifest', (req, res) => {
+                const hasAppIcon = (config.appIcon && config.appIcon.trim() !== '')
+                const manifest = {
+                    name: 'Node-RED Dashboard 2.0',
+                    short_name: 'Dashboard',
+                    start_url: './',
+                    display: 'standalone',
+                    background_color: '#ffffff',
+                    lang: 'en',
+                    scope: './',
+                    description: 'Node-RED Dashboard 2.0',
+                    theme_color: '#ffffff',
+                    icons: [
+                        { src: hasAppIcon ? config.appIcon : 'pwa-64x64.png', sizes: '64x64', type: 'image/png' },
+                        { src: hasAppIcon ? config.appIcon : 'pwa-192x192.png', sizes: '192x192', type: 'image/png' },
+                        { src: hasAppIcon ? config.appIcon : 'pwa-512x512.png', sizes: '512x512', type: 'image/png' },
+                        { src: hasAppIcon ? config.appIcon : 'pwa-512x512.png', sizes: '512x512', type: 'image/png', purpose: 'maskable' }
+                    ]
+                }
+                return res.json(manifest)
+            })
+
             uiShared.app.get(config.path + '/*', uiShared.httpMiddleware, (req, res) => {
                 res.sendFile(path.join(__dirname, '../../dist/index.html'))
             })

ui/index.html

@@ -5,7 +5,7 @@
     <meta name="viewport" content="width=device-width,initial-scale=1.0">
     <title>Node-RED Dashboard 2.0</title>
     <meta name="description" content="Node-RED Dashboard 2.0">
-    <link rel="icon" type="image/svg+xml" href="/favicon.ico" />
+    <link href="data:image/x-icon;base64,AAABAAEAEBAQAAAAAAAoAQAAFgAAACgAAAAQAAAAIAAAAAEABAAAAAAAgAAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAsC8qAP+EAACzh1cAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACAAAAAAAAACAAAAAAAAACAAAAAAAAEiAAAAADAAAiAAAAAAMzAiAAAAAAAAMzAAAAAAAAAiMzMAAAAAAAADAzAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD//wAA//8AAP//AAD//wAA//8AAP//AAD//wAA//8AAP//AAD//wAA//8AAP//AAD//wAA//8AAP//AAD//wAA" rel="icon" type="image/x-icon">
     <link rel="alternate icon" href="/favicon.ico" type="image/png" sizes="16x16">
     <link rel="apple-touch-icon" href="/apple-touch-icon.png" sizes="180x180">
     <link rel="manifest" crossorigin="use-credentials" href="./manifest.webmanifest">

ui/src/layouts/Baseline.vue

@@ -89,8 +89,8 @@ function getContrast (bg) {
 
     // http://www.w3.org/TR/AERT#color-contrast
     const brightness = Math.round(((parseInt(bgRgb[0]) * 299) +
-                        (parseInt(bgRgb[1]) * 587) +
-                        (parseInt(bgRgb[2]) * 114)) / 1000)
+        (parseInt(bgRgb[1]) * 587) +
+        (parseInt(bgRgb[2]) * 114)) / 1000)
 
     const textColor = (brightness > 125) ? '#000000' : '#ffffff'
     return textColor
@@ -154,6 +154,9 @@ export default {
         appBarStyle: function () {
             return this.dashboard.titleBarStyle || 'default'
         },
+        appIcon () {
+            return this.dashboard.appIcon
+        },
         navigationStyle: function () {
             const style = this.dashboard.navigationStyle
             if (![null, 'default', 'fixed', 'icon', 'temporary', 'none'].includes(style)) {
@@ -184,6 +187,46 @@ export default {
                     this.rail = true
                 }
             }
+        },
+        appIcon: {
+            immediate: true,
+            handler (url) {
+                // extract the file extension from the URL
+                const getFileTypeFromURL = (url) => {
+                    const segments = url.split('.')
+                    const extension = segments[segments.length - 1]
+                    return extension.toLowerCase()
+                }
+                // The existing rel types in the index.html
+                const relTypes = ['icon', 'alternate icon', 'apple-touch-icon']
+                if (url) {
+                    const fileType = getFileTypeFromURL(url)
+                    relTypes.forEach((relType) => {
+                        // iterate through the rel types and update the link tag
+                        const link = document.querySelector(`link[rel="${relType}"]`)
+                        if (link) {
+                            // set the type and href attributes
+                            link.setAttribute('type', `image/${fileType}`)
+                            link.setAttribute('href', url)
+                        }
+                    })
+                } else {
+                    relTypes.forEach((relType) => {
+                        // iterate through the rel types and update the link tag
+                        const link = document.querySelector(`link[rel="${relType}"]`)
+                        if (relType === 'icon') {
+                            link.setAttribute('type', 'image/x-icon')
+                            link.setAttribute('href', '/dashboard/favicon.ico')
+                        } else if (relType === 'alternate icon') {
+                            link.setAttribute('type', 'image/svg+xml')
+                            link.setAttribute('href', '/dashboard/favicon.svg')
+                        } else if (relType === 'apple-touch-icon') {
+                            link.setAttribute('type', 'image/png')
+                            link.setAttribute('href', '/dashboard/apple-touch-icon.png')
+                        }
+                    })
+                }
+            }
         }
     },
     mounted () {

vite.config.js

@@ -1,9 +1,6 @@
 import vue from '@vitejs/plugin-vue'
 import { defineConfig } from 'vite'
 import { VitePWA } from 'vite-plugin-pwa'
-
-import manifest from './manifest.json'
-
 /**
  * Vite is used to build the UI for the dashboard,
  * is is not used for the nodes themselves.
@@ -24,7 +21,7 @@ export default defineConfig({
             registerType: 'autoUpdate',
             injectRegister: false,
 
-            manifest,
+            manifest: false,
 
             injectManifest: {
                 maximumFileSizeToCacheInBytes: 3000000,