4
0
forked from crowetic/commerce
commerce/components/ui/context.tsx
2020-10-02 13:08:19 -03:00

62 lines
1.2 KiB
TypeScript

import React, { FC } from 'react'
export interface State {
displaySidebar: boolean
}
const initialState = {
displaySidebar: false,
}
type Action =
| {
type: 'OPEN_SIDEBAR'
}
| {
type: 'CLOSE_SIDEBAR'
}
export const UIContext = React.createContext<State | any>(initialState)
UIContext.displayName = 'UIContext'
export const UIProvider: FC = (props) => {
const [state, dispatch] = React.useReducer(uiReducer, initialState)
const openSidebar = () => dispatch({ type: 'OPEN_SIDEBAR' })
const closeSidebar = () => dispatch({ type: 'CLOSE_SIDEBAR' })
const value = {
...state,
openSidebar,
closeSidebar,
}
return <UIContext.Provider value={value} {...props} />
}
export const useUI = () => {
const context = React.useContext(UIContext)
if (context === undefined) {
throw new Error(`useUI must be used within a UIProvider`)
}
return context
}
function uiReducer(state: State, action: Action) {
console.log(action)
switch (action.type) {
case 'OPEN_SIDEBAR': {
return {
...state,
displaySidebar: true,
}
}
case 'CLOSE_SIDEBAR': {
return {
...state,
displaySidebar: false,
}
}
}
}