notes

23/11/22

• The difference between a Call Signature and a Function type Expression.
• React "MOUNTING" is just adding nodes to DOM.

04/12/22

• Array.prototype.at(), you can select elements from the end with negative indexes.

06/12/22

• How to clone a JavaScript object except for one key?

08/12/22

• useEffect uses Object.is(), which means it does type conversion and does not handle NaN !==NaN, -0 === +0 values.
• DynamoDB: Get the item that contains an array which in turn contains an element

10/01/23

• Optional chaining can be used to call a function if not undefined.

20/01/23

• You can import types by using import type Foo from '...'
• eslint rule for the above

21/01/23

• We can now deepCopy with structuredClone()

28/01/23

• tRPC share types on FE/BE
• With tRPC, you write TypeScript functions on your backend, and then call them from your frontend.