/
ReactHooks.js
225 lines (198 loc) · 6.4 KB
/
ReactHooks.js
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @flow
*/
import type {Dispatcher} from 'react-reconciler/src/ReactInternalTypes';
import type {
ReactContext,
StartTransitionOptions,
Usable,
Awaited,
} from 'shared/ReactTypes';
import {REACT_CONSUMER_TYPE} from 'shared/ReactSymbols';
import ReactSharedInternals from 'shared/ReactSharedInternals';
import {enableAsyncActions} from 'shared/ReactFeatureFlags';
type BasicStateAction<S> = (S => S) | S;
type Dispatch<A> = A => void;
function resolveDispatcher() {
const dispatcher = ReactSharedInternals.H;
if (__DEV__) {
if (dispatcher === null) {
console.error(
'Invalid hook call. Hooks can only be called inside of the body of a function component. This could happen for' +
' one of the following reasons:\n' +
'1. You might have mismatching versions of React and the renderer (such as React DOM)\n' +
'2. You might be breaking the Rules of Hooks\n' +
'3. You might have more than one copy of React in the same app\n' +
'See https://react.dev/link/invalid-hook-call for tips about how to debug and fix this problem.',
);
}
}
// Will result in a null access error if accessed outside render phase. We
// intentionally don't throw our own error because this is in a hot path.
// Also helps ensure this is inlined.
return ((dispatcher: any): Dispatcher);
}
export function getCacheForType<T>(resourceType: () => T): T {
const dispatcher = ReactSharedInternals.A;
if (!dispatcher) {
// If there is no dispatcher, then we treat this as not being cached.
return resourceType();
}
return dispatcher.getCacheForType(resourceType);
}
export function useContext<T>(Context: ReactContext<T>): T {
const dispatcher = resolveDispatcher();
if (__DEV__) {
if (Context.$$typeof === REACT_CONSUMER_TYPE) {
console.error(
'Calling useContext(Context.Consumer) is not supported and will cause bugs. ' +
'Did you mean to call useContext(Context) instead?',
);
}
}
return dispatcher.useContext(Context);
}
export function useState<S>(
initialState: (() => S) | S,
): [S, Dispatch<BasicStateAction<S>>] {
const dispatcher = resolveDispatcher();
return dispatcher.useState(initialState);
}
export function useReducer<S, I, A>(
reducer: (S, A) => S,
initialArg: I,
init?: I => S,
): [S, Dispatch<A>] {
const dispatcher = resolveDispatcher();
return dispatcher.useReducer(reducer, initialArg, init);
}
export function useRef<T>(initialValue: T): {current: T} {
const dispatcher = resolveDispatcher();
return dispatcher.useRef(initialValue);
}
export function useEffect(
create: () => (() => void) | void,
deps: Array<mixed> | void | null,
): void {
const dispatcher = resolveDispatcher();
return dispatcher.useEffect(create, deps);
}
export function useInsertionEffect(
create: () => (() => void) | void,
deps: Array<mixed> | void | null,
): void {
const dispatcher = resolveDispatcher();
return dispatcher.useInsertionEffect(create, deps);
}
export function useLayoutEffect(
create: () => (() => void) | void,
deps: Array<mixed> | void | null,
): void {
const dispatcher = resolveDispatcher();
return dispatcher.useLayoutEffect(create, deps);
}
export function useCallback<T>(
callback: T,
deps: Array<mixed> | void | null,
): T {
const dispatcher = resolveDispatcher();
return dispatcher.useCallback(callback, deps);
}
export function useMemo<T>(
create: () => T,
deps: Array<mixed> | void | null,
): T {
const dispatcher = resolveDispatcher();
return dispatcher.useMemo(create, deps);
}
export function useImperativeHandle<T>(
ref: {current: T | null} | ((inst: T | null) => mixed) | null | void,
create: () => T,
deps: Array<mixed> | void | null,
): void {
const dispatcher = resolveDispatcher();
return dispatcher.useImperativeHandle(ref, create, deps);
}
export function useDebugValue<T>(
value: T,
formatterFn: ?(value: T) => mixed,
): void {
if (__DEV__) {
const dispatcher = resolveDispatcher();
return dispatcher.useDebugValue(value, formatterFn);
}
}
export function useTransition(): [
boolean,
(callback: () => void, options?: StartTransitionOptions) => void,
] {
const dispatcher = resolveDispatcher();
return dispatcher.useTransition();
}
export function useDeferredValue<T>(value: T, initialValue?: T): T {
const dispatcher = resolveDispatcher();
return dispatcher.useDeferredValue(value, initialValue);
}
export function useId(): string {
const dispatcher = resolveDispatcher();
return dispatcher.useId();
}
export function useSyncExternalStore<T>(
subscribe: (() => void) => () => void,
getSnapshot: () => T,
getServerSnapshot?: () => T,
): T {
const dispatcher = resolveDispatcher();
return dispatcher.useSyncExternalStore(
subscribe,
getSnapshot,
getServerSnapshot,
);
}
export function useCacheRefresh(): <T>(?() => T, ?T) => void {
const dispatcher = resolveDispatcher();
// $FlowFixMe[not-a-function] This is unstable, thus optional
return dispatcher.useCacheRefresh();
}
export function use<T>(usable: Usable<T>): T {
const dispatcher = resolveDispatcher();
return dispatcher.use(usable);
}
export function useMemoCache(size: number): Array<any> {
const dispatcher = resolveDispatcher();
// $FlowFixMe[not-a-function] This is unstable, thus optional
return dispatcher.useMemoCache(size);
}
export function useEffectEvent<Args, F: (...Array<Args>) => mixed>(
callback: F,
): F {
const dispatcher = resolveDispatcher();
// $FlowFixMe[not-a-function] This is unstable, thus optional
return dispatcher.useEffectEvent(callback);
}
export function useOptimistic<S, A>(
passthrough: S,
reducer: ?(S, A) => S,
): [S, (A) => void] {
const dispatcher = resolveDispatcher();
// $FlowFixMe[not-a-function] This is unstable, thus optional
return dispatcher.useOptimistic(passthrough, reducer);
}
export function useActionState<S, P>(
action: (Awaited<S>, P) => S,
initialState: Awaited<S>,
permalink?: string,
): [Awaited<S>, (P) => void, boolean] {
if (!enableAsyncActions) {
throw new Error('Not implemented.');
} else {
const dispatcher = resolveDispatcher();
// $FlowFixMe[not-a-function] This is unstable, thus optional
return dispatcher.useActionState(action, initialState, permalink);
}
}