Upgrade many dependencies with cleanup

Summary:

Test Plan:

Author: quittle

.eslintrc.json

@@ -156,14 +156,14 @@ To validate locally before pushing, run `AWS_REGION=us-east-1 npm run build-and-
 
 Other targets of interest
 
--   `build` - Runs the build and generates the lambda layer contents
--   `unit-test` - Runs the unit test suite
--   `integration-test` - Runs the integration test suite (requires AWS credentials)
--   `test` - Runs all tests
--   `release` - This deploys to the production stack. **Do not run manually.**
--   `check` - Runs static analysis and tests
--   `prettier-fix` - Automatically fixes Prettier issues
--   `lint-fix` - Automatically fixes ESLint issues
+- `build` - Runs the build and generates the lambda layer contents
+- `unit-test` - Runs the unit test suite
+- `integration-test` - Runs the integration test suite (requires AWS credentials)
+- `test` - Runs all tests
+- `release` - This deploys to the production stack. **Do not run manually.**
+- `check` - Runs static analysis and tests
+- `prettier-fix` - Automatically fixes Prettier issues
+- `lint-fix` - Automatically fixes ESLint issues
 
 ## Releases
 

README.md

@@ -0,0 +1,62 @@
+import { defineConfig, globalIgnores } from "eslint/config";
+import typescriptEslint from "@typescript-eslint/eslint-plugin";
+import tsParser from "@typescript-eslint/parser";
+import path from "node:path";
+import { fileURLToPath } from "node:url";
+import js from "@eslint/js";
+import { FlatCompat } from "@eslint/eslintrc";
+
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = path.dirname(__filename);
+const compat = new FlatCompat({
+    baseDirectory: __dirname,
+    recommendedConfig: js.configs.recommended,
+    allConfig: js.configs.all,
+});
+
+export default defineConfig([
+    globalIgnores(["**/node_modules/", "**/dist/", "**/webpack.config.js", "**/jest.config.js"]),
+    {
+        extends: compat.extends(
+            "eslint:recommended",
+            "plugin:@typescript-eslint/eslint-recommended",
+            "plugin:@typescript-eslint/recommended",
+            "plugin:@typescript-eslint/recommended-requiring-type-checking",
+        ),
+
+        plugins: {
+            "@typescript-eslint": typescriptEslint,
+        },
+
+        linterOptions: {
+            reportUnusedDisableDirectives: true,
+        },
+
+        languageOptions: {
+            parser: tsParser,
+            ecmaVersion: 5,
+            sourceType: "script",
+
+            parserOptions: {
+                // project: path.join(__dirname, "tsconfig.json"),
+                projectService: true,
+            },
+        },
+
+        rules: {
+            "@typescript-eslint/no-unused-vars": [
+                "error",
+                {
+                    argsIgnorePattern: "^_",
+                },
+            ],
+
+            "@typescript-eslint/restrict-template-expressions": [
+                "error",
+                {
+                    allowNullish: true,
+                },
+            ],
+        },
+    },
+]);