chore(eslint): configure NodeNext TS resolver; drop inline suppressions

test: remove unused 'compiler' assignments in skipped watch-mode tests

- Add eslint-import-resolver-typescript and resolver settings
- Remove per-line import/no-unresolved disables in src/{index,hooks}.ts
- Update watch-mode and import-update tests to not assign to undeclared 'compiler'

Author: CharlieHelps

.eslintrc.cjs

@@ -3,5 +3,16 @@ module.exports = {
   parserOptions: {
     project: ["./tsconfig.eslint.json"],
     tsconfigRootDir: __dirname,
+  },
+  settings: {
+    // Resolve ESM-style .js specifiers to TypeScript source under NodeNext
+    'import/resolver': {
+      typescript: {
+        project: './tsconfig.eslint.json'
+      },
+      node: {
+        extensions: ['.js', '.ts', '.d.ts']
+      }
+    }
   }
 };

package.json

@@ -46,7 +46,6 @@
     "webpack-sources": "^2.2.0"
   },
   "devDependencies": {
-    "eslint": "8.57.0",
     "@commitlint/cli": "^13.1.0",
     "@commitlint/config-conventional": "^13.1.0",
     "@svgr/webpack": "^5.4.0",
@@ -56,7 +55,9 @@
     "@wordpress/dependency-extraction-webpack-plugin": "^3.1.0",
     "copy-webpack-plugin": "^6.2.1",
     "del": "^6.0.0",
+    "eslint": "8.57.0",
     "eslint-config-shellscape": "^6.0.0",
+    "eslint-import-resolver-typescript": "^4.4.4",
     "file-loader": "^6.2.0",
     "husky": "8.0.2",
     "lint-staged": "11.1.1",
@@ -72,13 +73,11 @@
     "webpack": "^5.75.0",
     "webpack-merge": "^5.8.0"
   },
-  
   "husky": {
     "hooks": {
       "pre-commit": "lint-staged"
     }
   },
-  
   "lint-staged": {
     "*.js": [
       "eslint --fix"
@@ -87,6 +86,5 @@
   "maintainers": [
     "Andrew Powell <andrew@shellscape.org>"
   ],
-  
   "pre-commit": "lint-staged"
 }