diff --git a/eslint.config.js b/eslint.config.js
index fecb9e9..542b62e 100644
--- a/eslint.config.js
+++ b/eslint.config.js
@@ -1,8 +1,7 @@
 import { defineConfig } from 'readable';
 
 export default defineConfig({
-	strict: true,
-	tsconfig: '/home/work/Documents/Repositories/Readable/tsconfig.json',
+	tsconfig: ['./tsconfig.json', './packages/*/tsconfig.json', './packages/*/jsconfig.json'],
 	environment: {
 		node: true,
 	},
diff --git a/packages/core/jsconfig.json b/packages/core/jsconfig.json
new file mode 100644
index 0000000..d4e37f4
--- /dev/null
+++ b/packages/core/jsconfig.json
@@ -0,0 +1,5 @@
+{
+	"extends": "../../tsconfig.json",
+	"exclude": ["./node_modules/**", "./dist/**"],
+	"include": ["./index.d.ts", "./src/**/*.ts", "./src/**/*.js"],
+}
diff --git a/packages/core/src/@types/typescript-eslint.d.ts b/packages/core/src/@types/typescript-eslint.d.ts
new file mode 100644
index 0000000..b01e94e
--- /dev/null
+++ b/packages/core/src/@types/typescript-eslint.d.ts
@@ -0,0 +1,46 @@
+import type { ESLint, Linter } from 'eslint';
+
+/**
+ * @see {@link https://www.npmjs.com/package/@typescript-eslint/eslint-plugin npm package}
+ * @summary An ESLint plugin which provides lint rules for TypeScript codebases.
+ *
+ * ---
+ * **Note:** Types in this project where overridden to be compatible with ESLint new flat
+ * config types. ESlint already has backwards compatibility for plugins not created in the
+ * new flat config.
+ */
+declare module '@typescript-eslint/eslint-plugin' {
+	interface typescriptEslintPlugin extends ESLint.Plugin {
+		configs: {
+			recommended: {
+				rules: Linter.RulesRecord
+			}
+			'recommended-requiring-type-checking': {
+				rules: Linter.RulesRecord
+			}
+			'eslint-recommended': {
+				rules: Linter.RulesRecord
+			}
+			strict: {
+				rules: Linter.RulesRecord
+			}
+		}
+	}
+	declare const plugin: typescriptEslintPlugin;
+	export default plugin;
+}
+
+/**
+ * @see {@link https://www.npmjs.com/package/@typescript-eslint/parser npm package}
+ * @summary An ESLint parser which leverages TypeScript ESTree to allow for ESLint
+ * to lint TypeScript source code.
+ *
+ * ---
+ * **Note:** Types in this project where overridden to be compatible with ESLint new flat
+ * config types. ESlint already has backwards compatibility for parsers not created in the
+ * new flat config.
+ */
+declare module '@typescript-eslint/parser' {
+	declare const parser: Linter.ParserModule;
+	export default parser;
+}