chore: biome, deps, other housekeeping

.github/CODEOWNERS

@@ -0,0 +1,2 @@
+* @erunion
+* @kanadgupta

.github/dependabot.yml

@@ -4,9 +4,6 @@ updates:
     directory: '/'
     schedule:
       interval: monthly
-    reviewers:
-      - erunion
-      - kanadgupta
     labels:
       - dependencies
     commit-message:
@@ -18,9 +15,6 @@ updates:
     schedule:
       interval: monthly
     open-pull-requests-limit: 10
-    reviewers:
-      - erunion
-      - kanadgupta
     labels:
       - dependencies
     groups:
@@ -32,8 +26,3 @@ updates:
     commit-message:
       prefix: chore(deps)
       prefix-development: chore(deps-dev)
-    ignore:
-      # Blocked on this until we can bump our shared ESLint config to support ESLint 9
-      - dependency-name: eslint
-        versions:
-          - '>= 8'

.vscode/extensions.json

@@ -0,0 +1,3 @@
+{
+  "recommendations": ["biomejs.biome", "esbenp.prettier-vscode"]
+}

.vscode/settings.json

@@ -0,0 +1,5 @@
+{
+  "editor.defaultFormatter": "esbenp.prettier-vscode",
+  // explicitly disable ESLint to avoid conflicts with Biome
+  "eslint.enable": false
+}

biome.jsonc

@@ -0,0 +1,23 @@
+{
+  "$schema": "./node_modules/@biomejs/biome/configuration_schema.json",
+  "extends": ["@readme/standards/biome"],
+  "root": true,
+  "files": {
+    "ignoreUnknown": false,
+    "includes": [
+      "**/*.{js,ts}",
+
+      // Biome's `vcs.useIgnoreFile` config should be able to pick these up but it doesn't.
+      "!coverage",
+      "!dist",
+    ],
+  },
+  "linter": {
+    "domains": {
+      // These domains are configured in our core standards package but Biome `extends` seems to
+      // not load it in so we have to redefine them.
+      "project": "all",
+      "test": "all",
+    },
+  },
+}