chore: migrate to ESLint Flat Config (#521)

Author: wojtekmaj

.eslintignore

@@ -4,6 +4,7 @@
     "**/.yarn": true,
     "**/.pnp.*": true
   },
+  "eslint.experimental.useFlatConfig": true,
   "eslint.nodePath": ".yarn/sdks",
   "typescript.enablePromptUseWorkspaceTsdk": true,
   "editor.codeActionsOnSave": {

.eslintrc.js

@@ -0,0 +1,23 @@
+import yarnpkg from '@yarnpkg/eslint-config';
+
+// eslint-disable-next-line arca/no-default-export
+export default [
+  {
+    ignores: [
+      `.yarn`,
+      `dist`,
+      `shims`,
+      `.pnp.*`,
+    ],
+  },
+  ...yarnpkg,
+  {
+    rules: {
+      // eslint-disable-next-line @typescript-eslint/naming-convention
+      'no-restricted-globals': [`error`, {
+        name: `fetch`,
+        message: `Use fetch from sources/httpUtils.ts`,
+      }],
+    },
+  },
+];

.vscode/settings.json

@@ -29,18 +29,15 @@
     "@types/semver": "^7.1.0",
     "@types/tar": "^6.0.0",
     "@types/which": "^3.0.0",
-    "@typescript-eslint/eslint-plugin": "^6.8.0",
-    "@typescript-eslint/parser": "^6.8.0",
-    "@yarnpkg/eslint-config": "^1.0.0",
+    "@yarnpkg/eslint-config": "^2.0.0",
     "@yarnpkg/fslib": "^3.0.0-rc.48",
     "@zkochan/cmd-shim": "^6.0.0",
     "babel-plugin-dynamic-import-node": "^2.3.3",
     "better-sqlite3": "^9.4.1",
     "clipanion": "^3.0.1",
     "debug": "^4.1.1",
     "esbuild": "0.19.5",
-    "eslint": "^8.0.0",
-    "eslint-plugin-arca": "^0.16.0",
+    "eslint": "^8.57.0",
     "jest": "^29.0.0",
     "proxy-from-env": "^1.1.0",
     "semver": "^7.5.2",