change error catcher for javasript from log to error as output

.eslintrc.js

@@ -1,43 +0,0 @@
-module.exports = {
-	'env': {
-		'browser': true,
-		'es6': true,
-		'commonjs': true,
-		'jquery': true
-	},
-	'extends': 'eslint:recommended',
-	'parserOptions': {
-		'ecmaVersion': 6
-	},
-	'rules': {
-		'indent': [
-			'error',
-			'tab',
-			{
-				'SwitchCase': 1
-			}
-		],
-		'linebreak-style': [
-			'error',
-			'unix'
-		],
-		'quotes': [
-			'error',
-			'single'
-		],
-		'semi': [
-			'error',
-			'always'
-		],
-		'no-console': 'off',
-		'no-unused-vars': [
-			'error', {
-				'vars': 'all',
-				'args': 'after-used',
-				'ignoreRestSiblings': false
-			}
-		],
-		// Requires eslint >= v8.14.0
-		'no-constant-binary-expression': 'error'
-	}
-};

eslint.config.mjs

@@ -0,0 +1,59 @@
+import globals from 'globals';
+import pluginJs from '@eslint/js';
+
+/*
+module.exports = {
+	'env': {
+		'browser': true,
+		'es6': true,
+		'commonjs': true,
+		'jquery': true
+	},
+	'extends': 'eslint:recommended',
+	'parserOptions': {
+		'ecmaVersion': 6
+	},
+	// rules copied
+};
+*/
+
+/** @type {import('eslint').Linter.Config[]} */
+export default [
+	{languageOptions: { globals: globals.browser }},
+	pluginJs.configs.recommended,
+	{
+		'rules': {
+			'indent': [
+				'error',
+				'tab',
+				{
+					'SwitchCase': 1
+				}
+			],
+			'linebreak-style': [
+				'error',
+				'unix'
+			],
+			// 'quotes': [
+			// 	'error',
+			// 	'single'
+			// ],
+			'semi': [
+				'error',
+				'always'
+			],
+			'no-console': 'off',
+			'no-unused-vars': [
+				'error', {
+					'vars': 'all',
+					'args': 'after-used',
+					'ignoreRestSiblings': false
+				}
+			],
+			// Requires eslint >= v8.14.0
+			'no-constant-binary-expression': 'error'
+		}
+	}
+];
+
+// __END__

jsconfig.json

@@ -1,9 +1,11 @@
+// https://www.typescriptlang.org/tsconfig/#compilerOptions
 {
 	"compilerOptions": {
 		"module": "ESNext",
 		"moduleResolution": "Node",
 		"target": "ES2020",
 		"jsx": "react",
+		"checkJs": true,
 		"allowImportingTsExtensions": true,
 		"strictNullChecks": true,
 		"strictFunctionTypes": true

package.json

@@ -0,0 +1,17 @@
+{
+	"name": "core-libraries",
+	"version": "9.26.8",
+	"main": "",
+	"scripts": {
+		"test": "echo \"Error: no test specified\" && exit 1"
+	},
+	"author": "Clemens Schwaighofer",
+	"license": "",
+	"description": "Core Libraries",
+	"devDependencies": {
+		"@eslint/js": "^9.20.0",
+		"esbuild": "^0.25.0",
+		"eslint": "^9.20.1",
+		"globals": "^15.15.0"
+	}
+}

www/admin/layout/javascript/edit.jq.js

@@ -1,8 +1,6 @@
 /* general edit javascript */
 /* jquery version */
 
-/* jshint esversion: 11 */
-
 /* global i18n */
 
 // debug set
@@ -533,22 +531,20 @@ function errorCatch(err)
 	if (err.stack) {
 		// only FF
 		if (err.lineNumber) {
-			console.log('ERROR[%s:%s] %s', err.name, err.lineNumber, err.message);
+			console.error('ERROR[%s:%s] ', err.name, err.lineNumber, err);
 		} else if (err.line) {
 			// only Safari
-			console.log('ERROR[%s:%s] %s', err.name, err.line, err.message);
+			console.error('ERROR[%s:%s] ', err.name, err.line, err);
 		} else {
-			console.log('ERROR[%s] %s', err.name, err.message);
+			console.error('ERROR[%s] ', err.name, err);
 		}
-		// stack trace
-		console.log('ERROR[stack] %s', err.stack);
 	} else if (err.number) {
 		// IE
-		console.log('ERROR[%s:%s] %s', err.name, err.number, err.message);
-		console.log('ERROR[description] %s', err.description);
+		console.error('ERROR[%s:%s] %s', err.name, err.number, err.message);
+		console.error('ERROR[description] %s', err.description);
 	} else {
 		// the rest
-		console.log('ERROR[%s] %s', err.name, err.message);
+		console.error('ERROR[%s] %s', err.name, err.message);
 	}
 }