b8baf48043
* Treat intersections of only objects as a single object in relations * Exclude intersections containing non-inferrable types * Accept new baselines * Update test * Accept new baselines * Add tests
89 lines
3 KiB
TypeScript
89 lines
3 KiB
TypeScript
// @strict: true
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// @filename: node_modules/prop-types/index.d.ts
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export const nominalTypeHack: unique symbol;
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export type IsOptional<T> = undefined | null extends T ? true : undefined extends T ? true : null extends T ? true : false;
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export type RequiredKeys<V> = { [K in keyof V]-?: Exclude<V[K], undefined> extends Validator<infer T> ? IsOptional<T> extends true ? never : K : never }[keyof V];
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export type OptionalKeys<V> = Exclude<keyof V, RequiredKeys<V>>;
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export type InferPropsInner<V> = { [K in keyof V]-?: InferType<V[K]>; };
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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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export interface Requireable<T> extends Validator<T> {
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isRequired: Validator<NonNullable<T>>;
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}
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export type ValidationMap<T> = { [K in keyof T]?: Validator<T[K]> };
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export type InferType<V> = V extends Validator<infer T> ? T : any;
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export type InferProps<V> =
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& InferPropsInner<Pick<V, RequiredKeys<V>>>
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& Partial<InferPropsInner<Pick<V, OptionalKeys<V>>>>;
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export const any: Requireable<any>;
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export const array: Requireable<any[]>;
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export const bool: Requireable<boolean>;
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export const string: Requireable<string>;
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export const number: Requireable<number>;
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export function shape<P extends ValidationMap<any>>(type: P): Requireable<InferProps<P>>;
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export function oneOfType<T extends Validator<any>>(types: T[]): Requireable<NonNullable<InferType<T>>>;
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// @filename: file.ts
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import * as PropTypes from "prop-types";
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interface Props {
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any?: any;
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array: string[];
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bool: boolean;
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shape: {
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foo: string;
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bar?: boolean;
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baz?: any
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};
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oneOfType: string | boolean | {
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foo?: string;
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bar: number;
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};
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}
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type PropTypesMap = PropTypes.ValidationMap<Props>;
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const innerProps = {
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foo: PropTypes.string.isRequired,
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bar: PropTypes.bool,
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baz: PropTypes.any
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};
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const arrayOfTypes = [PropTypes.string, PropTypes.bool, PropTypes.shape({
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foo: PropTypes.string,
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bar: PropTypes.number.isRequired
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})];
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// TS checking
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const propTypes: PropTypesMap = {
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any: PropTypes.any,
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array: PropTypes.array.isRequired,
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bool: PropTypes.bool.isRequired,
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shape: PropTypes.shape(innerProps).isRequired,
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oneOfType: PropTypes.oneOfType(arrayOfTypes).isRequired,
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};
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// JS checking
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const propTypesWithoutAnnotation = {
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any: PropTypes.any,
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array: PropTypes.array.isRequired,
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bool: PropTypes.bool.isRequired,
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shape: PropTypes.shape(innerProps).isRequired,
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oneOfType: PropTypes.oneOfType(arrayOfTypes).isRequired,
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};
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type ExtractedProps = PropTypes.InferProps<typeof propTypes>;
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type ExtractedPropsWithoutAnnotation = PropTypes.InferProps<typeof propTypesWithoutAnnotation>;
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type ExtractPropsMatch = ExtractedProps extends ExtractedPropsWithoutAnnotation ? true : false;
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const x: true = (null as any as ExtractPropsMatch); |