preact – Tarik Billa

Jest expect.any() not working as expected

June 1, 2023 by Tarik

expect.toEqual checks for equality of state.active in your case. To achieve what you want, you have to make multiple expect statements: expect(state.active.active).toEqual(true) expect(state.active.data).toEqual(expect.any(Array)) expect(state.active.ID).toEqual(expect.any(String))

Wrong components rendered by Preact

May 10, 2023 by Tarik

This is a classic issue that is totally underserved by Preact’s documentation, so I’d like to personally apologize for that! We’re always looking for help writing better documentation if anyone is interested. What has happened here is that you’re using the index of your Array as a key (in your map within render). This actually … Read more