mirror of
https://github.com/pmndrs/zustand.git
synced 2025-12-08 19:45:52 +00:00
fix(doc): update tutorial guide and fix doc build (#2835)
* fix(doc): update tutorial guide * fix(doc): update tutorial guide
This commit is contained in:
parent
bf4bcf20c5
commit
795528efb5
@ -387,7 +387,7 @@ The `handleClick` function should take the index of the square to update and cre
|
||||
`squares` array (`nextSquares`). Then, `handleClick` updates the `nextSquares` array by adding `X`
|
||||
to the square at the specified index (`i`) if is not already filled.
|
||||
|
||||
```tsx{7-12,29}
|
||||
```tsx {7-12,29}
|
||||
export default function Board() {
|
||||
const [squares, setSquares] = useGameStore((state) => [
|
||||
state.squares,
|
||||
@ -436,7 +436,7 @@ board.
|
||||
You'll set the first move to be `'X'` by default. Let's keep track of this by adding another piece
|
||||
of state to the `useGameStore` hook:
|
||||
|
||||
```tsx{2,12-18}
|
||||
```tsx {2,12-18}
|
||||
const useGameStore = create(
|
||||
combine({ squares: Array(9).fill(null), xIsNext: true }, (set) => {
|
||||
return {
|
||||
@ -446,7 +446,7 @@ const useGameStore = create(
|
||||
typeof nextSquares === 'function'
|
||||
? nextSquares(state.squares)
|
||||
: nextSquares,
|
||||
}));
|
||||
}))
|
||||
},
|
||||
setXIsNext: (nextXIsNext) => {
|
||||
set((state) => ({
|
||||
@ -454,18 +454,18 @@ const useGameStore = create(
|
||||
typeof nextXIsNext === 'function'
|
||||
? nextXIsNext(state.xIsNext)
|
||||
: nextXIsNext,
|
||||
}));
|
||||
}))
|
||||
},
|
||||
};
|
||||
})
|
||||
);
|
||||
}
|
||||
}),
|
||||
)
|
||||
```
|
||||
|
||||
Each time a player moves, `xIsNext` (a boolean) will be flipped to determine which player goes next
|
||||
and the game's state will be saved. You'll update the Board's `handleClick` function to flip the
|
||||
value of `xIsNext`:
|
||||
|
||||
```tsx{2-5,10,15}
|
||||
```tsx {2-5,10,15}
|
||||
export default function Board() {
|
||||
const [xIsNext, setXIsNext] = useGameStore((state) => [
|
||||
state.xIsNext,
|
||||
@ -557,7 +557,7 @@ function to check if a player has won. You can perform this check at the same ti
|
||||
user has clicked a square that already has a `'X'` or and `'O'`. We'd like to return early in
|
||||
both cases:
|
||||
|
||||
```ts{2}
|
||||
```ts {2}
|
||||
function handleClick(i) {
|
||||
if (squares[i] || winner) return
|
||||
const nextSquares = squares.slice()
|
||||
@ -572,7 +572,7 @@ To let the players know when the game is over, you can display text such as `'Wi
|
||||
display the winner or draw if the game is over and if the game is ongoing you'll display which
|
||||
player's turn is next:
|
||||
|
||||
```tsx{10-11,13,25}
|
||||
```tsx {10-11,13,25}
|
||||
export default function Board() {
|
||||
const [xIsNext, setXIsNext] = useGameStore((state) => [
|
||||
state.xIsNext,
|
||||
@ -795,7 +795,7 @@ component data and instruct the `Board` component to render previous turns from
|
||||
First, add a `Game` component with `export default` and remove it from `Board` component. Here is
|
||||
what the code should look like:
|
||||
|
||||
```tsx{1,48-65}
|
||||
```tsx {1,48-65}
|
||||
function Board() {
|
||||
const [xIsNext, setXIsNext] = useGameStore((state) => [
|
||||
state.xIsNext,
|
||||
@ -865,7 +865,7 @@ export default function Game() {
|
||||
|
||||
Add some state to the `useGameStore` hook to track the history of moves:
|
||||
|
||||
```ts{2,4-11}
|
||||
```ts {2,4-11}
|
||||
const useGameStore = create(
|
||||
combine({ history: [Array(9).fill(null)], xIsNext: true }, (set) => {
|
||||
return {
|
||||
@ -897,7 +897,7 @@ To render the squares for the current move, you'll need to read the most recent
|
||||
the `history` state. You don't need an extra state for this because you already have enough
|
||||
information to calculate it during rendering:
|
||||
|
||||
```tsx{2-3}
|
||||
```tsx {2-3}
|
||||
export default function Game() {
|
||||
const { history, setHistory, xIsNext, setXIsNext } = useGameStore()
|
||||
const currentSquares = history[history.length - 1]
|
||||
@ -925,7 +925,7 @@ Next, create a `handlePlay` function inside the `Game` component that will be ca
|
||||
component to update the game. Pass `xIsNext`, `currentSquares` and `handlePlay` as props to the
|
||||
`Board` component:
|
||||
|
||||
```tsx{5-7,18}
|
||||
```tsx {5-7,18}
|
||||
export default function Game() {
|
||||
const { history, setHistory, xIsNext, setXIsNext } = useGameStore()
|
||||
const currentSquares = history[history.length - 1]
|
||||
@ -957,7 +957,7 @@ Let's make the `Board` component fully controlled by the props it receives. To d
|
||||
the `Board` component to accept three props: `xIsNext`, `squares`, and a new `onPlay` function that
|
||||
the `Board` component can call with the updated squares array when a player makes a move.
|
||||
|
||||
```tsx{1}
|
||||
```tsx {1}
|
||||
function Board({ xIsNext, squares, onPlay }) {
|
||||
const winner = calculateWinner(squares)
|
||||
const turns = calculateTurns(squares)
|
||||
@ -1010,7 +1010,7 @@ squares array as a new `history` entry. You also need to toggle `xIsNext`, just
|
||||
component used
|
||||
to do.
|
||||
|
||||
```ts{2-3}
|
||||
```ts {2-3}
|
||||
function handlePlay(nextSquares) {
|
||||
setHistory(history.concat([nextSquares]))
|
||||
setXIsNext(!xIsNext)
|
||||
@ -1180,7 +1180,7 @@ You'll use `map` to transform your `history` of moves into React elements repres
|
||||
screen, and display a list of buttons to **jump** to past moves. Let's `map` over the `history` in
|
||||
the `Game` component:
|
||||
|
||||
```tsx{26-41}
|
||||
```tsx {26-41}
|
||||
export default function Game() {
|
||||
const { history, setHistory, xIsNext, setXIsNext } = useGameStore()
|
||||
const currentSquares = history[history.length - 1]
|
||||
@ -1232,7 +1232,7 @@ Before you can implement the `jumpTo` function, you need the `Game` component to
|
||||
step the user is currently viewing. To do this, define a new state variable called `currentMove`,
|
||||
which will start at `0`:
|
||||
|
||||
```ts{3,14-21}
|
||||
```ts {3,14-21}
|
||||
const useGameStore = create(
|
||||
combine(
|
||||
{ history: [Array(9).fill(null)], currentMove: 0, xIsNext: true },
|
||||
@ -1271,7 +1271,7 @@ const useGameStore = create(
|
||||
Next, update the `jumpTo` function inside `Game` component to update that `currentMove`. You’ll
|
||||
also set `xIsNext` to `true` if the number that you’re changing `currentMove` to is even.
|
||||
|
||||
```ts{2-3}
|
||||
```ts {2-3}
|
||||
function jumpTo(nextMove) {
|
||||
setCurrentMove(nextMove)
|
||||
setXIsNext(currentMove % 2 === 0)
|
||||
@ -1287,7 +1287,7 @@ when you click on a square.
|
||||
`history.slice(0, currentMove + 1)` to keep only that portion of the old history.
|
||||
- Each time a move is made, you need to update `currentMove` to point to the latest history entry.
|
||||
|
||||
```ts{2-4}
|
||||
```ts {2-4}
|
||||
function handlePlay(nextSquares) {
|
||||
const nextHistory = history.slice(0, currentMove + 1).concat([nextSquares])
|
||||
setHistory(nextHistory)
|
||||
@ -1299,7 +1299,7 @@ function handlePlay(nextSquares) {
|
||||
Finally, you will modify the `Game` component to render the currently selected move, instead of
|
||||
always rendering the final move:
|
||||
|
||||
```tsx{2-10}
|
||||
```tsx {2-10}
|
||||
export default function Game() {
|
||||
const {
|
||||
history,
|
||||
@ -1367,7 +1367,7 @@ There's no need to store `xIsNext` separately in the state. It’s better to avo
|
||||
because it can reduce bugs and make your code easier to understand. Instead, you can calculate
|
||||
`xIsNext` based on `currentMove`:
|
||||
|
||||
```tsx{2,10,14}
|
||||
```tsx {2,10,14}
|
||||
export default function Game() {
|
||||
const { history, setHistory, currentMove, setCurrentMove } = useGameStore()
|
||||
const xIsNext = currentMove % 2 === 0
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user