Month: April 2022

Sometimes, we want to remove an array item in TypeScript. In this article, we’ll look…

Sometimes, we want to dynamically assign properties to an object in TypeScript. In this article,…

Sometimes, we want to implement class constants with TypeScript. In this article, we’ll look at…

Sometimes, we want to mock the same function twice with different arguments with Jest. In…

Sometimes, we want to test components using Date objects produce different snapshots in different timezones…

Sometimes, we want to fix “ReferenceError: document is not defined” error when trying to test…

Sometimes, we want to run global test setup before each test in Jest. In this…

Sometimes, we want to clean up after all tests have run with Jest. In this…

Sometimes, we want to fix the ‘jest.fn() value must be a mock function or spy’…

In this article, we’ll look at what’s the Jest equivalent to RSpec lazy evaluated variables…