Upgrade to eslint v9 (#588)

Who knew lint could be so complicated

Author: amacneil

.gitignore

@@ -3,6 +3,7 @@
 .idea
 *.log
 *.sqlite3
+*.tsbuildinfo
 /.cache
 /db
 /dbmate

typescript/.eslintrc.yml

@@ -0,0 +1,21 @@
+import foxglove from "@foxglove/eslint-plugin";
+import tseslint from "typescript-eslint";
+
+export default tseslint.config(
+  {
+    ignores: ["**/dist"],
+  },
+  ...foxglove.configs.base,
+  ...foxglove.configs.typescript.map((config) => ({
+    ...config,
+    files: ["**/*.ts"],
+  })),
+  {
+    files: ["**/*.ts"],
+    languageOptions: {
+      parserOptions: {
+        project: "tsconfig.eslint.json",
+      },
+    },
+  },
+);