Improvement/improve js client

.github/workflows/nodejs.yml

@@ -33,7 +33,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: ['14', '16', '18']
+        node-version: ['20', '22', '24']
 
     steps:
     - uses: actions/checkout@v6

javascript/.gitignore

@@ -10,3 +10,9 @@
 .lerna_backup
 lerna-debug.log
 *.gdsl
+*.js.map
+*.d.ts
+*.d.ts.map
+*.js
+!eslint.config.js
+!jest.config.js

javascript/eslint.config.js

@@ -0,0 +1,109 @@
+/*!
+ * Copyright (c) 2026 Contributors to the Eclipse Foundation
+ *
+ * See the NOTICE file(s) distributed with this work for additional
+ * information regarding copyright ownership.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License 2.0 which is available at
+ * http://www.eclipse.org/legal/epl-2.0
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ */
+
+import eslint from '@eslint/js';
+import { defineConfig } from 'eslint/config';
+import tseslint from 'typescript-eslint';
+import yetAnotherLicenseHeader from 'eslint-plugin-yet-another-license-header';
+
+const licenseHeaderPattern = /^\/\*!?\n \* Copyright \(c\) \d{4} Contributors to the Eclipse Foundation\n \*\n \* See the NOTICE file\(s\) distributed with this work for additional\n \* information regarding copyright ownership\.\n \*\n \* This program and the accompanying materials are made available under the\n \* terms of the Eclipse Public License 2\.0 which is available at\n \* http:\/\/www\.eclipse\.org\/legal\/epl-2\.0\n \*\n \* SPDX-License-Identifier: EPL-2\.0\n \*\/$/;
+
+export default defineConfig(
+  eslint.configs.recommended,
+  tseslint.configs.recommended,
+  {
+    plugins: {
+      'yet-another-license-header': yetAnotherLicenseHeader
+    },
+    files: ['lib/*/src/**/*.ts'],
+    languageOptions: {
+      parserOptions: {
+        projectService: true
+      }
+    },
+    rules: {
+      'yet-another-license-header/header': ['error', {
+        allowedHeaderPatterns: [licenseHeaderPattern],
+        headerFile: '../legal/headers/license-header.txt'
+      }],
+      // Formatting rules (matching TSLint)
+      'indent': ['error', 2, {
+        SwitchCase: 1,
+        FunctionDeclaration: { parameters: 'first' },
+        FunctionExpression: { parameters: 'first' },
+        CallExpression: { arguments: 'first' },
+        ignoredNodes: [
+          'FunctionDeclaration > .params',
+          'FunctionExpression > .params',
+          'CallExpression > .arguments',
+          'ArrowFunctionExpression > .params',
+          'NewExpression > .arguments'
+        ]
+      }],
+      'quotes': ['error', 'single', { avoidEscape: true, allowTemplateLiterals: true }],
+      'semi': ['error', 'always'],
+      'comma-dangle': ['error', 'never'],
+      'eol-last': ['error', 'always'],
+      'no-trailing-spaces': 'error',
+      'no-multiple-empty-lines': ['error', { max: 2 }],
+      'max-len': ['error', { code: 140 }],
+      'arrow-parens': ['error', 'as-needed'],
+      'curly': 'error',
+
+      // Best practices
+      'eqeqeq': ['error', 'smart'],
+      'no-eval': 'error',
+      'no-caller': 'error',
+      'no-bitwise': 'off',
+      'no-debugger': 'error',
+      'no-var': 'error',
+      'prefer-const': 'error',
+      'radix': 'error',
+      'guard-for-in': 'error',
+      'no-new-wrappers': 'error',
+      'no-throw-literal': 'error',
+
+      // Console restrictions (allow log, warn, error)
+      'no-console': ['error', { allow: ['log', 'warn', 'error'] }],
+
+      // TypeScript-specific
+      'no-shadow': 'off',
+      "@typescript-eslint/no-empty-object-type": "error",
+      '@typescript-eslint/no-inferrable-types': ['error', { ignoreParameters: true }],
+      '@typescript-eslint/no-unused-vars': ['error', { argsIgnorePattern: '^_', caughtErrors: 'none' }],
+      '@typescript-eslint/no-explicit-any': 'off',
+      '@typescript-eslint/no-non-null-assertion': 'off',
+      '@typescript-eslint/no-wrapper-object-types': 'off',
+      '@typescript-eslint/no-require-imports': 'off'
+    }
+  },
+  {
+    // Tests - no projectService
+    files: ['lib/*/tests/**/*.ts'],
+    plugins: {
+      'yet-another-license-header': yetAnotherLicenseHeader
+    },
+    rules: {
+      'yet-another-license-header/header': ['error', {
+        allowedHeaderPatterns: [licenseHeaderPattern],
+        headerFile: '../legal/headers/license-header.txt'
+      }],
+      '@typescript-eslint/no-explicit-any': 'off',
+      '@typescript-eslint/no-unused-vars': ['error', { argsIgnorePattern: '^_', caughtErrors: 'none', args: 'none' }],
+      '@typescript-eslint/no-require-imports': 'off'
+    }
+  },
+  {
+    ignores: ['**/dist/**', '**/node_modules/**', '**/*.js', '**/*.d.ts']
+  }
+);

javascript/lerna.json

@@ -16,5 +16,5 @@
       ]
     }
   },
-  "version": "3.8.0"
+  "version": "3.9.0"
 }

javascript/lib/api/jest.config.js

@@ -1,16 +1,3 @@
-/*
- * Copyright (c) 2019 Contributors to the Eclipse Foundation
- *
- * See the NOTICE file(s) distributed with this work for additional
- * information regarding copyright ownership.
- *
- * This program and the accompanying materials are made available under the
- * terms of the Eclipse Public License 2.0 which is available at
- * http://www.eclipse.org/legal/epl-2.0
- *
- * SPDX-License-Identifier: EPL-2.0
- */
-
 /*!
  * Copyright (c) 2019 Contributors to the Eclipse Foundation
  *
@@ -28,16 +15,12 @@ export default {
         "tests"
     ],
     transform: {
-        "^.+\\.tsx?$": "ts-jest"
+        "^.+\\.tsx?$": ["ts-jest", { diagnostics: false }]
     },
+    testEnvironment: "node",
     collectCoverage: true,
     collectCoverageFrom: [
         "src/**/*.ts"
     ],
-    coverageReporters: ["text"],
-    globals: {
-        'ts-jest': {
-            diagnostics: false
-        }
-    }
+    coverageReporters: ["text"]
 };