fix(jest): add ts-jest to make it work with ts-paths in lint-staged

jest.config.ts

@@ -1,5 +1,9 @@
 import type { Config } from "jest";
 
+import { pathsToModuleNameMapper } from "ts-jest";
+
+import { compilerOptions } from "./tsconfig.json";
+
 const MIN_COVERAGE = 80;
 
 const config: Config = {
@@ -20,6 +24,8 @@ const config: Config = {
   collectCoverageFrom: ["src/**/*.ts"],
   setupFiles: ["<rootDir>.jest/set-env-vars.ts"],
   clearMocks: true,
+  modulePaths: [compilerOptions.baseUrl],
+  moduleNameMapper: pathsToModuleNameMapper(compilerOptions.paths),
 };
 
 export default config;

tsconfig.json

@@ -14,5 +14,5 @@
       "@src/*": ["src/*"]
     }
   },
-  "exclude": ["node_modules", "dist"],
+  "exclude": ["node_modules", "dist"]
 }