chore: migrate to custom eslint plugin to check local import extensions (#2590)

* chore: migrate to custom eslint plugin to check local import extensions

Author: ghiscoding

.oxlintrc.json

@@ -1,7 +1,7 @@
 {
   "$schema": "./node_modules/oxlint/configuration_schema.json",
   "plugins": ["import", "oxc", "typescript"],
-  "jsPlugins": ["eslint-plugin-cypress"],
+  "jsPlugins": ["eslint-plugin-cypress", "eslint-plugin-local-import-ext"],
   "env": {
     "es2025": true,
     "browser": true,
@@ -62,9 +62,17 @@
     "typescript/no-non-null-assertion": "off",
     "typescript/no-unused-expressions": "off",
     "typescript/no-unused-vars": ["error", { "argsIgnorePattern": "^_", "destructuredArrayIgnorePattern": "^_", "caughtErrors": "none" }],
-    // blocked by https://github.com/oxc-project/oxc/issues/19431
-    // use "lint:local-js-imports" npm script in the meantime to catch any missing local JS imports
+    // "import/extensions" rule is blocked by https://github.com/oxc-project/oxc/issues/19431
+    // use custom "eslint-plugin-import-ext" custom eslint plugin in the meantime to catch any missing local import file extensions
     "import/extensions": "off",
+    "local-import-ext/require-local-extension": [
+      "error",
+      {
+        "js": "always",
+        "ts": "never",
+        "excludedFolders": ["demos/aurelia/test", "demos/react/test", "demos/vue/test", "frameworks/angular-slickgrid", "test"]
+      }
+    ],
     "import/no-self-import": "error",
     "no-async-promise-executor": "off",
     "oxc/erasing-op": "off",

package.json

@@ -48,9 +48,8 @@
     "roll-new-release": "pnpm build && pnpm new-version && pnpm new-publish",
     "build:dev": "pnpm -r --filter=vanilla-demo build:dev",
     "serve:vite": "pnpm -r --filter=vanilla-demo dev",
-    "lint": "oxlint . && pnpm lint:local-js-imports",
+    "lint": "oxlint .",
     "lint:fix": "oxlint . --fix",
-    "lint:local-js-imports": "node ./scripts/lint-local-js-imports.mjs",
     "prettier:check": "prettier --check **/*.{html,js,ts,tsx,vue}",
     "prettier:write": "prettier --write **/*.{html,js,ts,tsx,vue}",
     "test": "vitest --config ./test/vitest.config.mts",
@@ -129,6 +128,7 @@
     "cypress": "catalog:",
     "cypress-real-events": "catalog:",
     "eslint-plugin-cypress": "^6.4.1",
+    "eslint-plugin-local-import-ext": "0.2.0",
     "globals": "catalog:",
     "jsdom": "catalog:",
     "jsdom-global": "catalog:",

pnpm-lock.yaml

@@ -9,8 +9,7 @@ minimumReleaseAge: 2880 # 2 days in minutes
 minimumReleaseAgeExclude:
   # exclude packages that I personally maintain and are safe to use on the same day
   - '@lerna-lite/*'
-  # Renovate security update: hono@4.12.18
-  - hono@4.12.18
+  - 'eslint-plugin-local-import-ext'
 
 catalog:
   '@4tw/cypress-drag-drop': ^2.3.1