chore: Major update - refactored entire code base from CJS > ESM

Implements ptarmiganlabs#859

eslint.config.js

@@ -0,0 +1,37 @@
+import prettier from 'eslint-plugin-prettier';
+import globals from 'globals';
+import path from 'node:path';
+import { fileURLToPath } from 'node:url';
+import js from '@eslint/js';
+import { FlatCompat } from '@eslint/eslintrc';
+
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = path.dirname(__filename);
+const compat = new FlatCompat({
+    baseDirectory: __dirname,
+    recommendedConfig: js.configs.recommended,
+    allConfig: js.configs.all,
+});
+
+// export default [...compat.extends("airbnb-base", "prettier"), {
+export default [
+    ...compat.extends('prettier'),
+    {
+        plugins: {
+            prettier,
+        },
+
+        languageOptions: {
+            globals: {
+                ...globals.node,
+            },
+
+            ecmaVersion: 12,
+            sourceType: 'module',
+        },
+
+        rules: {
+            'prettier/prettier': 'error',
+        },
+    },
+];

package.json

@@ -28,6 +28,7 @@
         "url": "https://github.com/ptarmiganlabs/butler-sos/issues"
     },
     "homepage": "https://github.com/ptarmiganlabs/butler-sos#readme",
+    "type": "module",
     "dependencies": {
         "@breejs/later": "^4.2.0",
         "@influxdata/influxdb-client": "^1.35.0",
@@ -56,10 +57,13 @@
         "yaml-validator": "^5.0.1"
     },
     "devDependencies": {
+        "@eslint/js": "^9.9.0",
         "esbuild": "^0.23.1",
         "eslint": "^9.9.0",
         "eslint-config-prettier": "^9.1.0",
         "eslint-formatter-table": "^7.32.1",
+        "eslint-plugin-prettier": "^5.2.1",
+        "globals": "^15.9.0",
         "prettier": "^3.3.3",
         "snyk": "^1.1292.4"
     },