[migrate] upgrade to Node.js 20 & ESLint 9

.github/workflows/main.yml

@@ -11,22 +11,22 @@ jobs:
             VERCEL_PROJECT_ID: ${{ secrets.VERCEL_PROJECT_ID }}
         runs-on: ubuntu-latest
         steps:
-            - uses: actions/checkout@v3
+            - uses: actions/checkout@v4
 
-            - uses: pnpm/action-setup@v2
+            - uses: pnpm/action-setup@v4
               with:
                   version: 9
-            - uses: actions/setup-node@v3
+            - uses: actions/setup-node@v4
               with:
-                  node-version: 18
+                  node-version: 20
                   cache: pnpm
             - name: Install & Build
               run: |
                   pnpm i --frozen-lockfile
                   pnpm build
 
             - name: Deploy to GitHub pages
-              uses: peaceiris/actions-gh-pages@v3
+              uses: peaceiris/actions-gh-pages@v4
               with:
                   publish_dir: ./dist
                   personal_token: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/push.yml

@@ -11,14 +11,14 @@ jobs:
             VERCEL_PROJECT_ID: ${{ secrets.VERCEL_PROJECT_ID }}
         runs-on: ubuntu-latest
         steps:
-            - uses: actions/checkout@v3
+            - uses: actions/checkout@v4
 
-            - uses: pnpm/action-setup@v2
+            - uses: pnpm/action-setup@v4
               with:
                   version: 9
-            - uses: actions/setup-node@v3
+            - uses: actions/setup-node@v4
               with:
-                  node-version: 18
+                  node-version: 20
                   cache: pnpm
             - name: Install & Build
               run: |

eslint.config.mjs

@@ -0,0 +1,74 @@
+import { fixupPluginRules } from '@eslint/compat';
+import eslint from '@eslint/js';
+import eslintConfigPrettier from 'eslint-config-prettier';
+import reactPlugin from 'eslint-plugin-react';
+import simpleImportSortPlugin from 'eslint-plugin-simple-import-sort';
+import globals from 'globals';
+import tsEslint from 'typescript-eslint';
+import { fileURLToPath } from 'url';
+
+const tsconfigRootDir = fileURLToPath(new URL('.', import.meta.url));
+
+export default tsEslint.config(
+    // register all of the plugins up-front
+    {
+        plugins: {
+            '@typescript-eslint': tsEslint.plugin,
+            // https://github.com/jsx-eslint/eslint-plugin-react/issues/3699
+            react: fixupPluginRules(reactPlugin),
+            'simple-import-sort': simpleImportSortPlugin
+        }
+    },
+    {
+        // config with just ignores is the replacement for `.eslintignore`
+        ignores: ['**/node_modules/**', '**/dist/**', '**/.parcel-cache/**']
+    },
+
+    // extends ...
+    eslint.configs.recommended,
+    ...tsEslint.configs.recommended,
+
+    // base config
+    {
+        languageOptions: {
+            globals: {
+                ...globals.es2020,
+                ...globals.browser,
+                ...globals.node
+            },
+            parserOptions: {
+                projectService: true,
+                tsconfigRootDir,
+                warnOnUnsupportedTypeScriptVersion: false
+            }
+        },
+        rules: {
+            'simple-import-sort/exports': 'error',
+            'simple-import-sort/imports': 'error',
+            'react/jsx-no-target-blank': 'warn',
+            'react/jsx-sort-props': [
+                'error',
+                {
+                    reservedFirst: true,
+                    shorthandLast: true,
+                    callbacksLast: true,
+                    noSortAlphabetically: true
+                }
+            ],
+            '@typescript-eslint/no-empty-object-type': 'off',
+            '@typescript-eslint/no-unsafe-declaration-merging': 'warn'
+        }
+    },
+    {
+        files: ['**/*.js'],
+        extends: [tsEslint.configs.disableTypeChecked],
+        rules: {
+            // turn off other type-aware rules
+            '@typescript-eslint/internal/no-poorly-typed-ts-props': 'off',
+
+            // turn off rules that don't apply to JS code
+            '@typescript-eslint/explicit-function-return-type': 'off'
+        }
+    },
+    eslintConfigPrettier
+);

package.json

@@ -20,39 +20,52 @@
         "browser-unhandled-rejection": "^1.0.2",
         "cell-router": "^3.0.0-rc.8",
         "classnames": "^2.5.1",
-        "dom-renderer": "^2.1.8",
-        "iterable-observer": "^1.0.1",
-        "mobx": "^6.12.4",
-        "web-cell": "^3.0.0-rc.16",
+        "dom-renderer": "^2.3.0",
+        "iterable-observer": "^1.1.0",
+        "mobx": "^6.13.3",
+        "web-cell": "^3.0.0",
         "web-utility": "^4.4.0"
     },
     "devDependencies": {
+        "@eslint/compat": "^1.1.1",
+        "@eslint/js": "^9.11.1",
         "@parcel/config-default": "~2.12.0",
         "@parcel/packager-raw-url": "~2.12.0",
         "@parcel/transformer-less": "~2.12.0",
         "@parcel/transformer-typescript-tsc": "~2.12.0",
         "@parcel/transformer-webmanifest": "~2.12.0",
-        "@types/node": "^18.19.39",
-        "@typescript-eslint/eslint-plugin": "^7.14.1",
-        "@typescript-eslint/parser": "^7.14.1",
-        "eslint": "^8.57.0",
+        "@softonus/prettier-plugin-duplicate-remover": "^1.0.1",
+        "@types/eslint-config-prettier": "^6.11.3",
+        "@types/eslint__js": "^8.42.3",
+        "@types/node": "^20.16.10",
+        "eslint": "^9.11.1",
         "eslint-config-prettier": "^9.1.0",
-        "husky": "^9.0.11",
-        "lint-staged": "^15.2.7",
+        "eslint-plugin-react": "^7.37.0",
+        "eslint-plugin-simple-import-sort": "^12.1.1",
+        "globals": "^15.9.0",
+        "husky": "^9.1.6",
+        "lint-staged": "^15.2.10",
         "parcel": "~2.12.0",
-        "prettier": "^3.3.2",
-        "typescript": "~5.5.2",
+        "postcss": "^8.4.47",
+        "prettier": "^3.3.3",
+        "prettier-plugin-css-order": "^2.1.2",
+        "typescript": "~5.6.2",
+        "typescript-eslint": "^8.7.0",
         "workbox-cli": "^7.1.0"
     },
     "prettier": {
         "singleQuote": true,
         "trailingComma": "none",
         "arrowParens": "avoid",
-        "tabWidth": 4
+        "tabWidth": 4,
+        "plugins": [
+            "prettier-plugin-css-order",
+            "@softonus/prettier-plugin-duplicate-remover"
+        ]
     },
     "lint-staged": {
-        "*.{html,md,css,less,json,yml,js,ts,tsx}": "prettier --write",
-        "*.{js,ts,tsx}": "eslint --fix"
+        "*.{html,md,css,less,json,yml,js,mjs,ts,tsx}": "prettier --write",
+        "*.{js,mjs,ts,tsx}": "eslint --fix"
     },
     "scripts": {
         "prepare": "husky",