lint: upgrade eslint to v9 and flag config

eslint.config.mjs

@@ -0,0 +1,36 @@
+import * as hamster from '@hamster-bot/eslint-config'
+
+/** @type {import('eslint').Linter.Config[]} */
+export default [
+  ...hamster.configs.typescript,
+  {
+    rules: {
+      /*
+       * We highly depend on `require` for dynamic import i18n files.
+       * FIXME: Maybe we can use `import` instead of `require` in the future.
+       */
+      '@typescript-eslint/no-require-imports': 'off',
+    },
+  },
+  {
+    languageOptions: {
+      parserOptions: {
+        project: './tsconfig.eslint.json',
+        projectService: false,
+      },
+    },
+  },
+  {
+    ignores: [
+      'external',
+      'node_modules',
+      'lib',
+      'dist',
+      'coverage',
+      'docs/.vitepress/dist',
+      'docs/.vitepress/cache',
+      'packages/*/lib',
+      'packages/*/dist',
+    ],
+  },
+]

package.json

@@ -16,42 +16,35 @@
     "bump": "yakumo version",
     "dep": "yakumo upgrade",
     "pub": "yakumo publish",
-    "lint": "eslint --ext .tsx,.ts,.js .",
-    "format": "prettier --write .",
+    "lint": "eslint .",
     "test": "yakumo mocha -r esbuild-register -r yml-register",
     "test:text": "shx rm -rf coverage && c8 -r text yarn test",
     "test:json": "shx rm -rf coverage && c8 -r json yarn test",
     "test:html": "shx rm -rf coverage && c8 -r html yarn test"
   },
   "devDependencies": {
     "@cordisjs/vitepress": "^3.2.7",
-    "@hamster-bot/eslint-config": "^1.0.5",
+    "@hamster-bot/eslint-config": "^2.3.0",
     "@koishijs/plugin-database-memory": "^3.0.0",
     "@koishijs/plugin-mock": "^2.6.5",
     "@types/chai": "^4.3.12",
     "@types/mocha": "^10.0.6",
-    "@types/node": "^20.14.9",
-    "@typescript-eslint/eslint-plugin": "^7.4.0",
-    "@typescript-eslint/parser": "^7.14.1",
-    "c8": "^10.1.2",
+    "@types/node": "^22.1.0",
+    "c8": "^8.0.1",
     "chai": "^5.1.0",
     "esbuild": "^0.20.2",
     "esbuild-register": "^3.5.0",
-    "eslint": "^8.57.0",
+    "eslint": "^9.8.0",
     "eslint-import-resolver-typescript": "^3.6.1",
-    "eslint-plugin-import": "^2.29.1",
-    "eslint-plugin-mocha": "^10.3.0",
-    "eslint-plugin-n": "^16.6.2",
-    "eslint-plugin-prettier": "^5.1.3",
-    "eslint-plugin-promise": "^6.1.1",
+    "eslint-plugin-mocha": "^10.5.0",
     "jest-mock": "^29.7.0",
     "koishi": "^4.17.2",
     "koishi-plugin-puppeteer": "^3.8.2",
     "mocha": "^10.4.0",
-    "prettier": "^3.2.5",
     "sass": "^1.71.1",
     "shx": "^0.3.4",
-    "typescript": "^5.4.2",
+    "typescript": "^5.5.4",
+    "typescript-eslint": "^8.0.1",
     "vitepress": "^1.2.3",
     "yakumo": "^0.3.13",
     "yakumo-esbuild": "^0.3.26",

tsconfig.eslint.json

@@ -0,0 +1,12 @@
+{
+  "extends": "./tsconfig.base.json",
+  "compilerOptions": {
+    "allowJs": true,
+  },
+  "include": [
+    "eslint.config.mjs",
+    "docs/.vitepress/*.ts",
+    "packages/*/src/**/*.ts",
+    "packages/*/tests/**/*.ts",
+  ]
+}