Learn React Hooks

Chapter 2: Using the State Hook

1. What problems did we run into while developing our own reimplementation of the useState hook? How did we solve these problems?
   • One problem was the initialization of the value every time the component gets rendered. We solved this problem by using a global variable to store the value.
   • Then, we had the problem that multiple Hooks write to the same global variable. To solve this problem, we stored the values in an array and kept track of the current Hook by assigning an index to each Hook.
2. Why are conditional Hooks not possible in the React implementation of Hooks?
   • Conditional Hooks are not possible, because React uses the order of Hook definitions to keep track of the values. If we change the order of Hooks ...