web ui fix digital envelope error at newer node.js versions; update js

web_src/README.md

@@ -4,38 +4,22 @@
 ```bash
 npm install
 ```
-
-### New node.js versions
-Set env variable before running build commands
-
-Windows
-```
-set NODE_OPTIONS=--openssl-legacy-provider
-```
-
-
-Ubuntu
-```bash
-export NODE_OPTIONS=--openssl-legacy-provider
-```
-
-
-### Compiles and hot-reloads for development
+## Compiles and hot-reloads for development
 ```bash
 npm run serve
 ```
 
-### Compiles and minifies for production
+## Compiles and minifies for production
 ```bash
 npm run build
 ```
 
-### Lints and fixes files
+## Lints and fixes files
 ```bash
 npm run lint
 ```
 
-### download/update google fonts and icons
+## download/update google fonts and icons
 
 By command line:
 ```bash
@@ -58,14 +42,55 @@ const GetGoogleFonts = require('get-google-fonts');
 new GetGoogleFonts().download('https://fonts.googleapis.com/css?family=Roboto:100:300,400,500,700,900|Material+Icons')
 ```
 
-### check security of dependencies
+## check security of dependencies
 
 ```bash
 npm audit
 ```
 
-### check for updates of dependencies
+## check for updates of dependencies
 
 ```bash
 npm outdated
-```
+```
+
+
+## New node.js versions
+
+Fix at newer node.js versions (e.g. 18) for error "digital envelope routines::unsupported":
+
+Fix is integrated in file "package.json", runs on windows only.
+To run on ubuntu see:  https://gankrin.org/how-to-fix-error-digital-envelope-routinesunsupported-in-node-js-or-react/
+
+
+Or set env variable before running build commands. (For this you need to remove the fix in "package.json" file first.)
+
+Replace the (for Windows fixed) section:
+```JSON
+  "scripts": {
+    "serve": "set NODE_OPTIONS=--openssl-legacy-provider & vue-cli-service serve",
+    "build": "set NODE_OPTIONS=--openssl-legacy-provider & vue-cli-service build",
+    "lint": "set NODE_OPTIONS=--openssl-legacy-provider & vue-cli-service lint"
+  },
+```
+
+with
+```JSON
+  "scripts": {
+    "serve": "vue-cli-service serve",
+    "build": "vue-cli-service build",
+    "lint": "vue-cli-service lint"
+
+  },
+```
+
+Windows console cmd:
+```
+set NODE_OPTIONS=--openssl-legacy-provider
+```
+
+
+Ubuntu console bash:
+```bash
+export NODE_OPTIONS=--openssl-legacy-provider
+```