Merge pull request #2 from salesforce/toTypescript

use Typescript instead of JS to improve dev productivity

.gitignore

@@ -1,5 +1,6 @@
 /node_modules
 /reports
+/dist
 test-report.xml
 junit.xml
-
+tsconfig.tsbuildinfo

.vscode/launch.json

@@ -17,4 +17,4 @@
             "internalConsoleOptions": "neverOpen"
         }
     ]
-}
+}

eslint.config.mjs

@@ -0,0 +1,22 @@
+/*
+ * Copyright (c) 2024, salesforce.com, inc.
+ * All rights reserved.
+ * SPDX-License-Identifier: MIT
+ * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
+ */
+
+import eslint from '@eslint/js';
+import tsEslint from 'typescript-eslint';
+
+export default tsEslint.config(
+    eslint.configs.recommended,
+    ...tsEslint.configs.recommended,
+    ...tsEslint.configs.stylistic,
+
+    {
+        rules: {
+            strict: ['error', 'global'],
+            '@typescript-eslint/no-extra-non-null-assertion': 'off'
+        }
+    },
+);

jest.config.js → jest.config.ts

@@ -5,22 +5,23 @@
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
  */
 
-'use strict';
+import type { Config } from 'jest';
 
-module.exports = {
+const config: Config = {
     displayName: 'Unit Tests',
     setupFilesAfterEnv: ['jest-extended', 'jest-chain'],
+    preset: 'ts-jest',
     testMatch: [
-        '<rootDir>/test/plugin.js',
-        '<rootDir>/test/lib/rules/**/*.js',
-        '!**/test/lib/rules/shared.js'
+        '<rootDir>/test/plugin.ts',
+        '<rootDir>/test/rules/**/*.ts',
+        '!**/test/rules/shared.ts'
     ],
-    moduleFileExtensions: ['js', 'json'],
+    moduleFileExtensions: ['ts', 'js', 'json'],
     testResultsProcessor: 'jest-sonar-reporter',
     testPathIgnorePatterns: ['/node_modules/', '<rootDir>/lib/'],
     moduleDirectories: ['node_modules'],
     collectCoverage: true,
-    collectCoverageFrom: ['lib/**/*.js'],
+    collectCoverageFrom: ['src/**/*.ts'],
     coverageDirectory: 'reports/coverage',
     reporters: [
         'default',
@@ -33,3 +34,5 @@ module.exports = {
         ]
     ]
 };
+
+export default config;