post-migration rework

 * restore import lint logic
 * restore .gitignore logic
 * enable jest lint plugin
 * clean up unused dependencies
 * update to drop deprecations ignore

Author: nicbus

eslint.config.js

@@ -2,11 +2,15 @@ const tsPlugin = require("@typescript-eslint/eslint-plugin");
 const tsParser = require("@typescript-eslint/parser");
 const prettierRecommended = require("eslint-plugin-prettier/recommended");
 const simpleImportSort = require("eslint-plugin-simple-import-sort");
+const { importX } = require("eslint-plugin-import-x");
+const jestPlugin = require("eslint-plugin-jest");
+const { includeIgnoreFile } = require("eslint/config");
+const path = require("path");
+
+const gitignorePath = path.resolve(__dirname, ".gitignore");
 
 module.exports = [
-  {
-    ignores: ["node_modules/**", "dist/**", "src/version.ts"],
-  },
+  includeIgnoreFile(gitignorePath, { gitignoreResolution: true }),
   {
     files: ["**/*.ts"],
     languageOptions: {
@@ -19,11 +23,15 @@ module.exports = [
     plugins: {
       "@typescript-eslint": tsPlugin,
       "simple-import-sort": simpleImportSort,
+      "import-x": importX,
     },
     rules: {
       ...tsPlugin.configs.recommended.rules,
       "simple-import-sort/imports": "error",
       "simple-import-sort/exports": "error",
+      "import-x/first": "error",
+      "import-x/newline-after-import": "error",
+      "import-x/no-duplicates": "error",
       "no-unused-vars": "off",
       "@typescript-eslint/no-unused-vars": [
         "warn",
@@ -35,5 +43,9 @@ module.exports = [
       ],
     },
   },
+  {
+    files: ["test/**/*.ts"],
+    ...jestPlugin.configs["flat/recommended"],
+  },
   prettierRecommended,
 ];

package-lock.json

@@ -33,7 +33,7 @@
     "@typescript-eslint/eslint-plugin": "^8.61.1",
     "@typescript-eslint/parser": "^8.61.1",
     "eslint": "^10.5.0",
-    "eslint-config-prettier": "^10.1.8",
+    "eslint-plugin-import-x": "^4.17.0",
     "eslint-plugin-jest": "^29.15.2",
     "eslint-plugin-prettier": "^5.5.6",
     "eslint-plugin-simple-import-sort": "^13.0.0",

package.json

@@ -1,12 +1,10 @@
 {
   "compilerOptions": {
-    "module": "commonjs",
+    "module": "NodeNext",
     "esModuleInterop": true,
-    "allowSyntheticDefaultImports": true,
-    "target": "es6",
+    "target": "es2022",
     "strict": true,
-    "moduleResolution": "node",
-    "ignoreDeprecations": "6.0",
+    "moduleResolution": "nodenext",
     "sourceMap": true,
     "outDir": "dist",
     "rootDir": ".",