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Contents
import {
Component as PreactComponent,
PreactContext
} from '../../src/internal';
import { Reducer } from '.';
export { PreactContext };
/**
* The type of arguments passed to a Hook function. While this type is not
* strictly necessary, they are given a type name to make it easier to read
* the following types and trace the flow of data.
*/
export type HookArgs = any;
/**
* The return type of a Hook function. While this type is not
* strictly necessary, they are given a type name to make it easier to read
* the following types and trace the flow of data.
*/
export type HookReturnValue = any;
/** The public function a user invokes to use a Hook */
export type Hook = (...args: HookArgs[]) => HookReturnValue;
// Hook tracking
export interface ComponentHooks {
/** The list of hooks a component uses */
_list: HookState[];
/** List of Effects to be invoked after the next frame is rendered */
_pendingEffects: EffectHookState[];
}
export interface Component extends PreactComponent<any, any> {
__hooks?: ComponentHooks;
}
export type HookState =
| EffectHookState
| MemoHookState
| ReducerHookState
| ContextHookState
| ErrorBoundaryHookState;
export type Effect = () => void | Cleanup;
export type Cleanup = () => void;
export interface EffectHookState {
_value?: Effect;
_args?: any[];
_cleanup?: Cleanup | void;
}
export interface MemoHookState {
_value?: any;
_args?: any[];
_factory?: () => any;
}
export interface ReducerHookState {
_value?: any;
_component?: Component;
_reducer?: Reducer<any, any>;
}
export interface ContextHookState {
/** Whether this hooks as subscribed to updates yet */
_value?: boolean;
_context?: PreactContext;
}
export interface ErrorBoundaryHookState {
_value?: (error: any) => void;
}
Version data entries
12 entries across 12 versions & 1 rubygems