Fix ESLint configuration (#1012)

Ref: webpack-contrib/eslint-webpack-plugin#263

config/webpack/development.js

@@ -1,10 +1,13 @@
 const ESLintPlugin = require('eslint-webpack-plugin')
 const StyleLintPlugin = require('stylelint-webpack-plugin')
+const { resolve } = require('path')
 
 module.exports = {
   envSpecificConfig: {
     plugins: [
       new ESLintPlugin({
+        overrideConfigFile: resolve(__dirname, '../../eslint.config.mjs'),
+        configType: 'flat',
         failOnError: false,
         files: 'app/javascript/**/*.js',
         exclude: 'app/javascript/**/vendor/*.js'

package.json

@@ -12,10 +12,10 @@
     "@babel/plugin-transform-runtime": "^7.25.9",
     "@babel/preset-env": "^7.26.0",
     "@babel/runtime": "^7.26.0",
-    "@fortawesome/fontawesome-svg-core": "^6.6.0",
-    "@fortawesome/free-brands-svg-icons": "^6.6.0",
-    "@fortawesome/free-regular-svg-icons": "^6.6.0",
-    "@fortawesome/free-solid-svg-icons": "^6.6.0",
+    "@fortawesome/fontawesome-svg-core": "^6.7.1",
+    "@fortawesome/free-brands-svg-icons": "^6.7.1",
+    "@fortawesome/free-regular-svg-icons": "^6.7.1",
+    "@fortawesome/free-solid-svg-icons": "^6.7.1",
     "@hotwired/turbo-rails": "^8.0.12",
     "@popperjs/core": "^2.11.8",
     "@rails/actioncable": "7.2.200",
@@ -28,11 +28,11 @@
     "css-minimizer-webpack-plugin": "^7.0.0",
     "exports-loader": "^5.0.0",
     "mini-css-extract-plugin": "^2.9.2",
-    "postcss": "^8.4.47",
+    "postcss": "^8.4.49",
     "postcss-flexbugs-fixes": "^5.0.2",
     "postcss-import": "^16.1.0",
     "postcss-loader": "^8.1.1",
-    "postcss-preset-env": "^10.0.9",
+    "postcss-preset-env": "^10.1.1",
     "resolve-url-loader": "^5.0.0",
     "sass": "1.77.6",
     "sass-loader": "^16.0.3",
@@ -48,14 +48,14 @@
     "@babel/eslint-parser": "^7.25.9",
     "@types/express": "^5.0.0",
     "@webpack-cli/serve": "^2.0.5",
-    "eslint": "^9.14.0",
+    "eslint": "^9.15.0",
     "eslint-plugin-import": "^2.31.0",
     "eslint-webpack-plugin": "^4.2.0",
-    "neostandard": "^0.11.7",
+    "neostandard": "^0.11.8",
     "stylelint": "^16.10.0",
     "stylelint-config-twbs-bootstrap": "^15.1.0",
     "stylelint-order": "^6.0.4",
-    "stylelint-scss": "^6.8.1",
+    "stylelint-scss": "^6.10.0",
     "stylelint-webpack-plugin": "^5.0.1",
     "webpack-dev-server": "^5.1.0"
   },