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//// [tsxLibraryManagedAttributes.tsx]
type Defaultize<TProps, TDefaults> =
& {[K in Extract<keyof TProps, keyof TDefaults>]?: TProps[K]}
& {[K in Exclude<keyof TProps, keyof TDefaults>]: TProps[K]}
& Partial<TDefaults>;
type InferredPropTypes<P> = {[K in keyof P]: P[K] extends PropTypeChecker<infer T, infer U> ? PropTypeChecker<T, U>[typeof checkedType] : {}};
declare const checkedType: unique symbol;
interface PropTypeChecker<U, TRequired = false> {
(props: any, propName: string, componentName: string, location: any, propFullName: string): boolean;
isRequired: PropTypeChecker<U, true>;
[checkedType]: TRequired extends true ? U : U | null | undefined;
}
declare namespace PropTypes {
export const number: PropTypeChecker<number>;
export const string: PropTypeChecker<string>;
export const node: PropTypeChecker<ReactNode>;
}
type ReactNode = string | number | ReactComponent<{}, {}>;
declare class ReactComponent<P={}, S={}> {
constructor(props: P);
props: P & Readonly<{children: ReactNode[]}>;
setState(s: Partial<S>): S;
render(): ReactNode;
}
declare namespace JSX {
interface Element extends ReactComponent {}
interface IntrinsicElements {}
type LibraryManagedAttributes<TComponent, TProps> =
TComponent extends { defaultProps: infer D; propTypes: infer P; }
? Defaultize<TProps & InferredPropTypes<P>, D>
: TComponent extends { defaultProps: infer D }
? Defaultize<TProps, D>
: TComponent extends { propTypes: infer P }
? TProps & InferredPropTypes<P>
: TProps;
}
class Component extends ReactComponent {
static propTypes = {
foo: PropTypes.number,
bar: PropTypes.node,
baz: PropTypes.string.isRequired,
};
static defaultProps = {
foo: 42,
}
}
const a = <Component foo={12} bar="yes" baz="yeah" />;
const b = <Component foo={12} />; // Error, missing required prop bar
const c = <Component bar="yes" baz="yeah" />;
const d = <Component bar="yes" baz="yo" bat="ohno" />; // Error, baz not a valid prop
const e = <Component foo={12} bar={null} baz="cool" />; // bar is nullable/undefinable since it's not marked `isRequired`
const f = <Component foo={12} bar="yeah" baz={null} />; // Error, baz is _not_ nullable/undefinable since it's marked `isRequired`
class JustPropTypes extends ReactComponent {
static propTypes = {
foo: PropTypes.number,
bar: PropTypes.node.isRequired,
};
}
const g = <JustPropTypes foo={12} bar="ok" />;
const h = <JustPropTypes foo="no" />; // error, wrong type
const i = <JustPropTypes foo={null} bar="ok" />;
const j = <JustPropTypes foo={12} bar={null} />; // error, bar is required
class JustDefaultProps extends ReactComponent {
static defaultProps = {
foo: 42,
};
}
const k = <JustDefaultProps foo={12} />;
const l = <JustDefaultProps foo={12} bar="ok" />; // error, no prop named bar
const m = <JustDefaultProps foo="no" />; // error, wrong type
interface FooProps {
foo: string;
}
class BothWithSpecifiedGeneric extends ReactComponent<FooProps> {
static propTypes = {
foo: PropTypes.string,
bar: PropTypes.node,
baz: PropTypes.number.isRequired,
};
static defaultProps = {
foo: "yo",
};
}
const n = <BothWithSpecifiedGeneric foo="fine" bar="yes" baz={12} />;
const o = <BothWithSpecifiedGeneric foo="no" />; // Error, missing required prop bar
const p = <BothWithSpecifiedGeneric bar="yes" baz={12} />;
const q = <BothWithSpecifiedGeneric bar="yes" baz={12} bat="ohno" />; // Error, baz not a valid prop
const r = <BothWithSpecifiedGeneric foo="no" bar={null} baz={0} />; // bar is nullable/undefinable since it's not marked `isRequired`
const s = <BothWithSpecifiedGeneric foo="eh" bar="yeah" baz={null} />; // Error, baz is _not_ nullable/undefinable since it's marked `isRequired`
class JustPropTypesWithSpecifiedGeneric extends ReactComponent<FooProps> {
static propTypes = {
foo: PropTypes.string,
bar: PropTypes.node.isRequired,
};
}
const t = <JustPropTypesWithSpecifiedGeneric foo="nice" bar="ok" />;
const u = <JustPropTypesWithSpecifiedGeneric foo={12} />; // error, wrong type
const v = <JustPropTypesWithSpecifiedGeneric foo={null} bar="ok" />; // generic overrides propTypes required-ness, null isn't valid
const w = <JustPropTypesWithSpecifiedGeneric foo="cool" bar={null} />; // error, bar is required
class JustDefaultPropsWithSpecifiedGeneric extends ReactComponent<FooProps> {
static defaultProps = {
foo: "no",
};
}
const x = <JustDefaultPropsWithSpecifiedGeneric foo="eh" />;
const y = <JustDefaultPropsWithSpecifiedGeneric foo="no" bar="ok" />; // error, no prop named bar
const z = <JustDefaultPropsWithSpecifiedGeneric foo={12} />; // error, wrong type
const aa = <JustDefaultPropsWithSpecifiedGeneric />;
//// [tsxLibraryManagedAttributes.jsx]
"use strict";
var __extends = (this && this.__extends) || (function () {
var extendStatics = function (d, b) {
extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
return extendStatics(d, b);
};
return function (d, b) {
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
var Component = /** @class */ (function (_super) {
__extends(Component, _super);
function Component() {
return _super !== null && _super.apply(this, arguments) || this;
}
Component.propTypes = {
foo: PropTypes.number,
bar: PropTypes.node,
baz: PropTypes.string.isRequired
};
Component.defaultProps = {
foo: 42
};
return Component;
}(ReactComponent));
var a = <Component foo={12} bar="yes" baz="yeah"/>;
var b = <Component foo={12}/>; // Error, missing required prop bar
var c = <Component bar="yes" baz="yeah"/>;
var d = <Component bar="yes" baz="yo" bat="ohno"/>; // Error, baz not a valid prop
var e = <Component foo={12} bar={null} baz="cool"/>; // bar is nullable/undefinable since it's not marked `isRequired`
var f = <Component foo={12} bar="yeah" baz={null}/>; // Error, baz is _not_ nullable/undefinable since it's marked `isRequired`
var JustPropTypes = /** @class */ (function (_super) {
__extends(JustPropTypes, _super);
function JustPropTypes() {
return _super !== null && _super.apply(this, arguments) || this;
}
JustPropTypes.propTypes = {
foo: PropTypes.number,
bar: PropTypes.node.isRequired
};
return JustPropTypes;
}(ReactComponent));
var g = <JustPropTypes foo={12} bar="ok"/>;
var h = <JustPropTypes foo="no"/>; // error, wrong type
var i = <JustPropTypes foo={null} bar="ok"/>;
var j = <JustPropTypes foo={12} bar={null}/>; // error, bar is required
var JustDefaultProps = /** @class */ (function (_super) {
__extends(JustDefaultProps, _super);
function JustDefaultProps() {
return _super !== null && _super.apply(this, arguments) || this;
}
JustDefaultProps.defaultProps = {
foo: 42
};
return JustDefaultProps;
}(ReactComponent));
var k = <JustDefaultProps foo={12}/>;
var l = <JustDefaultProps foo={12} bar="ok"/>; // error, no prop named bar
var m = <JustDefaultProps foo="no"/>; // error, wrong type
var BothWithSpecifiedGeneric = /** @class */ (function (_super) {
__extends(BothWithSpecifiedGeneric, _super);
function BothWithSpecifiedGeneric() {
return _super !== null && _super.apply(this, arguments) || this;
}
BothWithSpecifiedGeneric.propTypes = {
foo: PropTypes.string,
bar: PropTypes.node,
baz: PropTypes.number.isRequired
};
BothWithSpecifiedGeneric.defaultProps = {
foo: "yo"
};
return BothWithSpecifiedGeneric;
}(ReactComponent));
var n = <BothWithSpecifiedGeneric foo="fine" bar="yes" baz={12}/>;
var o = <BothWithSpecifiedGeneric foo="no"/>; // Error, missing required prop bar
var p = <BothWithSpecifiedGeneric bar="yes" baz={12}/>;
var q = <BothWithSpecifiedGeneric bar="yes" baz={12} bat="ohno"/>; // Error, baz not a valid prop
var r = <BothWithSpecifiedGeneric foo="no" bar={null} baz={0}/>; // bar is nullable/undefinable since it's not marked `isRequired`
var s = <BothWithSpecifiedGeneric foo="eh" bar="yeah" baz={null}/>; // Error, baz is _not_ nullable/undefinable since it's marked `isRequired`
var JustPropTypesWithSpecifiedGeneric = /** @class */ (function (_super) {
__extends(JustPropTypesWithSpecifiedGeneric, _super);
function JustPropTypesWithSpecifiedGeneric() {
return _super !== null && _super.apply(this, arguments) || this;
}
JustPropTypesWithSpecifiedGeneric.propTypes = {
foo: PropTypes.string,
bar: PropTypes.node.isRequired
};
return JustPropTypesWithSpecifiedGeneric;
}(ReactComponent));
var t = <JustPropTypesWithSpecifiedGeneric foo="nice" bar="ok"/>;
var u = <JustPropTypesWithSpecifiedGeneric foo={12}/>; // error, wrong type
var v = <JustPropTypesWithSpecifiedGeneric foo={null} bar="ok"/>; // generic overrides propTypes required-ness, null isn't valid
var w = <JustPropTypesWithSpecifiedGeneric foo="cool" bar={null}/>; // error, bar is required
var JustDefaultPropsWithSpecifiedGeneric = /** @class */ (function (_super) {
__extends(JustDefaultPropsWithSpecifiedGeneric, _super);
function JustDefaultPropsWithSpecifiedGeneric() {
return _super !== null && _super.apply(this, arguments) || this;
}
JustDefaultPropsWithSpecifiedGeneric.defaultProps = {
foo: "no"
};
return JustDefaultPropsWithSpecifiedGeneric;
}(ReactComponent));
var x = <JustDefaultPropsWithSpecifiedGeneric foo="eh"/>;
var y = <JustDefaultPropsWithSpecifiedGeneric foo="no" bar="ok"/>; // error, no prop named bar
var z = <JustDefaultPropsWithSpecifiedGeneric foo={12}/>; // error, wrong type
var aa = <JustDefaultPropsWithSpecifiedGeneric />;
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