Tests: Add tests for lockfile version (#2106)

* Add tests for lockfile version

* add resolveJsonModule for typecheck

Author: siddharthkp

src/__tests__/lockfile-version.test.ts

@@ -0,0 +1,10 @@
+import lockFile from '../../package-lock.json'
+import docsLockFile from '../../docs/package-lock.json'
+
+test('root: lockfileVersion should be 2', async () => {
+  expect(lockFile.lockfileVersion).toEqual(2)
+})
+
+test('docs: lockfileVersion should be 2', async () => {
+  expect(docsLockFile.lockfileVersion).toEqual(2)
+})

tsconfig.json

@@ -13,6 +13,7 @@
     "esModuleInterop": true,
     "skipLibCheck": true,
     "forceConsistentCasingInFileNames": true,
+    "resolveJsonModule": true,
     "typeRoots": ["./node_modules/@types", "./@types"]
   },
   "include": ["@types/**/*.ts", "src/**/*.js", "src/**/*.ts", "src/**/*.tsx", "script/**/*.ts"]