* Forbid reentrancy in conditional type creation (force deferal on occurance) * Add repro from react-redux, accept updated baselines
65 lines
2.3 KiB
TypeScript
65 lines
2.3 KiB
TypeScript
// @strict: true
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declare class Component<P> {
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constructor(props: Readonly<P>);
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constructor(props: P, context?: any);
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readonly props: Readonly<P> & Readonly<{ children?: {} }>;
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}
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interface ComponentClass<P = {}> {
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new (props: P, context?: any): Component<P>;
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propTypes?: WeakValidationMap<P>;
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defaultProps?: Partial<P>;
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displayName?: string;
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}
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interface FunctionComponent<P = {}> {
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(props: P & { children?: {} }, context?: any): {} | null;
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propTypes?: WeakValidationMap<P>;
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defaultProps?: Partial<P>;
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displayName?: string;
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}
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export declare const nominalTypeHack: unique symbol;
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export interface Validator<T> {
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(props: object, propName: string, componentName: string, location: string, propFullName: string): Error | null;
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[nominalTypeHack]?: T;
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}
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type WeakValidationMap<T> = {
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[K in keyof T]?: null extends T[K]
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? Validator<T[K] | null | undefined>
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: undefined extends T[K]
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? Validator<T[K] | null | undefined>
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: Validator<T[K]>
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};
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type ComponentType<P = {}> = ComponentClass<P> | FunctionComponent<P>;
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export type Shared<
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InjectedProps,
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DecorationTargetProps extends Shared<InjectedProps, DecorationTargetProps>
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> = {
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[P in Extract<keyof InjectedProps, keyof DecorationTargetProps>]?: InjectedProps[P] extends DecorationTargetProps[P] ? DecorationTargetProps[P] : never;
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};
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// Infers prop type from component C
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export type GetProps<C> = C extends ComponentType<infer P> ? P : never;
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export type ConnectedComponentClass<
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C extends ComponentType<any>,
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P
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> = ComponentClass<P> & {
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WrappedComponent: C;
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};
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export type Matching<InjectedProps, DecorationTargetProps> = {
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[P in keyof DecorationTargetProps]: P extends keyof InjectedProps
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? InjectedProps[P] extends DecorationTargetProps[P]
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? DecorationTargetProps[P]
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: InjectedProps[P]
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: DecorationTargetProps[P];
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};
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export type Omit<T, K extends keyof T> = Pick<T, Exclude<keyof T, K>>;
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export type InferableComponentEnhancerWithProps<TInjectedProps, TNeedsProps> =
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<C extends ComponentType<Matching<TInjectedProps, GetProps<C>>>>(
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component: C
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) => ConnectedComponentClass<C, Omit<GetProps<C>, keyof Shared<TInjectedProps, GetProps<C>>> & TNeedsProps>;
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