Function updateFunctionComponent

mini-react/src/mini-react.js:84–92

(fiber)

    let stateHookIndex = null
    
    function updateFunctionComponent(fiber) {
      wipFiber = fiber
      stateHookIndex = 0
      wipFiber.stateHooks = []
      wipFiber.effectHooks = []
    
      const children = [fiber.type(fiber.props)]
      reconcileChildren(fiber, children)
    }
    
    function updateHostComponent(fiber) {
        if (!fiber.dom) {