Revert "Format all code with prettier (#197)" (#198)

This reverts commit 28382b7e45.

jest.config.ts

@@ -1,23 +1,23 @@
-import type { JestConfigWithTsJest } from "ts-jest";
+import type { JestConfigWithTsJest } from 'ts-jest'
 
 const jestConfig: JestConfigWithTsJest = {
-  testMatch: ["**/test/**/*.test.ts"],
-  testEnvironment: "jsdom",
-  moduleFileExtensions: ["js", "jsx", "json", "ts"],
+  testMatch: ['**/test/**/*.test.ts'],
+  testEnvironment: 'jsdom',
+  moduleFileExtensions: ['js', 'jsx', 'json', 'ts'],
   transform: {
-    "^.+\\.m?[tj]sx?$": [
-      "ts-jest",
+    '^.+\\.m?[tj]sx?$': [
+      'ts-jest',
       {
-        tsconfig: "./tsconfig.json",
-      },
-    ],
+        tsconfig: './tsconfig.json',
+      }
+    ]
   },
   clearMocks: true,
   resetModules: true,
   testTimeout: 10000,
   moduleNameMapper: {
-    "^@/(.*)$": "<rootDir>/src/$1",
+    '^@/(.*)$': '<rootDir>/src/$1',
   },
-};
+}
 
-export default jestConfig;
+export default jestConfig