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Merge pull request #41314 from weswigham/fix-global-jsx-ns-alias-crashes

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Fix crashes when the global JSX namespace is an alias
This commit is contained in:
Wesley Wigham 2020-10-28 18:38:26 -07:00 committed by GitHub
parent 3de6ed08a9 d722392d81
commit f0f3862cd9
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
10 changed files with 1580 additions and 2 deletions
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8
src/compiler/checker.ts
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@ -25142,7 +25142,7 @@ namespace ts {
const resolvedNamespace = resolveName(location, namespaceName, SymbolFlags.Namespace, /*diagnosticMessage*/ undefined, namespaceName, /*isUse*/ false);
if (resolvedNamespace) {
const candidate = resolveSymbol(getSymbol(getExportsOfSymbol(resolveSymbol(resolvedNamespace)), JsxNames.JSX, SymbolFlags.Namespace));
if (candidate) {
if (candidate && candidate !== unknownSymbol) {
if (links) {
links.jsxNamespace = candidate;
}
@ -25154,7 +25154,11 @@ namespace ts {
}
}
// JSX global fallback
return getGlobalSymbol(JsxNames.JSX, SymbolFlags.Namespace, /*diagnosticMessage*/ undefined)!; // TODO: GH#18217
const s = resolveSymbol(getGlobalSymbol(JsxNames.JSX, SymbolFlags.Namespace, /*diagnosticMessage*/ undefined));
if (s === unknownSymbol) {
return undefined!; // TODO: GH#18217
}
return s!; // TODO: GH#18217
}
/**

114
tests/baselines/reference/jsxNamespaceGlobalReexport.js Normal file
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@ -0,0 +1,114 @@
//// [tests/cases/compiler/jsxNamespaceGlobalReexport.tsx] ////
//// [index.d.ts]
type Defaultize<Props, Defaults> =
// Distribute over unions
Props extends any // Make any properties included in Default optional
? Partial<Pick<Props, Extract<keyof Props, keyof Defaults>>> &
// Include the remaining properties from Props
Pick<Props, Exclude<keyof Props, keyof Defaults>>
: never;
export namespace JSXInternal {
interface HTMLAttributes<T = {}> { }
interface SVGAttributes<T = {}> { }
type LibraryManagedAttributes<Component, Props> = Component extends {
defaultProps: infer Defaults;
}
? Defaultize<Props, Defaults>
: Props;
interface IntrinsicAttributes {
key?: any;
}
interface Element extends VNode<any> { }
interface ElementClass extends Component<any, any> { }
interface ElementAttributesProperty {
props: any;
}
interface ElementChildrenAttribute {
children: any;
}
interface IntrinsicElements {
div: HTMLAttributes;
}
}
export const Fragment: unique symbol;
export type ComponentType<T = {}> = {};
export type ComponentChild = {};
export type ComponentChildren = {};
export type VNode<T = {}> = {};
export type Attributes = {};
export type Component<T = {}, U = {}> = {};
//// [index.d.ts]
export { Fragment } from '..';
import {
ComponentType,
ComponentChild,
ComponentChildren,
VNode,
Attributes
} from '..';
import { JSXInternal } from '..';
export function jsx(
type: string,
props: JSXInternal.HTMLAttributes &
JSXInternal.SVGAttributes &
Record<string, any> & { children?: ComponentChild },
key?: string
): VNode<any>;
export function jsx<P>(
type: ComponentType<P>,
props: Attributes & P & { children?: ComponentChild },
key?: string
): VNode<any>;
export function jsxs(
type: string,
props: JSXInternal.HTMLAttributes &
JSXInternal.SVGAttributes &
Record<string, any> & { children?: ComponentChild[] },
key?: string
): VNode<any>;
export function jsxs<P>(
type: ComponentType<P>,
props: Attributes & P & { children?: ComponentChild[] },
key?: string
): VNode<any>;
export function jsxDEV(
type: string,
props: JSXInternal.HTMLAttributes &
JSXInternal.SVGAttributes &
Record<string, any> & { children?: ComponentChildren },
key?: string
): VNode<any>;
export function jsxDEV<P>(
type: ComponentType<P>,
props: Attributes & P & { children?: ComponentChildren },
key?: string
): VNode<any>;
// This shouldn't be preferred over
//export namespace jsxDEV {
// export import JSX = JSXInternal;
//}
// but it sort-of should work and it shouldn't crash.
declare global {
// @ts-ignore
export import JSX = JSXInternal;
}
//// [index.tsx]
export const Comp = () => <div></div>;
//// [index.js]
"use strict";
exports.__esModule = true;
exports.Comp = void 0;
var jsx_runtime_1 = require("preact/jsx-runtime");
var Comp = function () { return jsx_runtime_1.jsx("div", {}, void 0); };
exports.Comp = Comp;

305
tests/baselines/reference/jsxNamespaceGlobalReexport.symbols Normal file
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@ -0,0 +1,305 @@
=== /node_modules/preact/index.d.ts ===
type Defaultize<Props, Defaults> =
>Defaultize : Symbol(Defaultize, Decl(index.d.ts, 0, 0))
>Props : Symbol(Props, Decl(index.d.ts, 0, 16))
>Defaults : Symbol(Defaults, Decl(index.d.ts, 0, 22))
// Distribute over unions
Props extends any // Make any properties included in Default optional
>Props : Symbol(Props, Decl(index.d.ts, 0, 16))
? Partial<Pick<Props, Extract<keyof Props, keyof Defaults>>> &
>Partial : Symbol(Partial, Decl(lib.es5.d.ts, --, --))
>Pick : Symbol(Pick, Decl(lib.es5.d.ts, --, --))
>Props : Symbol(Props, Decl(index.d.ts, 0, 16))
>Extract : Symbol(Extract, Decl(lib.es5.d.ts, --, --))
>Props : Symbol(Props, Decl(index.d.ts, 0, 16))
>Defaults : Symbol(Defaults, Decl(index.d.ts, 0, 22))
// Include the remaining properties from Props
Pick<Props, Exclude<keyof Props, keyof Defaults>>
>Pick : Symbol(Pick, Decl(lib.es5.d.ts, --, --))
>Props : Symbol(Props, Decl(index.d.ts, 0, 16))
>Exclude : Symbol(Exclude, Decl(lib.es5.d.ts, --, --))
>Props : Symbol(Props, Decl(index.d.ts, 0, 16))
>Defaults : Symbol(Defaults, Decl(index.d.ts, 0, 22))
: never;
export namespace JSXInternal {
>JSXInternal : Symbol(JSXInternal, Decl(index.d.ts, 6, 10))
interface HTMLAttributes<T = {}> { }
>HTMLAttributes : Symbol(HTMLAttributes, Decl(index.d.ts, 7, 30))
>T : Symbol(T, Decl(index.d.ts, 8, 29))
interface SVGAttributes<T = {}> { }
>SVGAttributes : Symbol(SVGAttributes, Decl(index.d.ts, 8, 40))
>T : Symbol(T, Decl(index.d.ts, 9, 28))
type LibraryManagedAttributes<Component, Props> = Component extends {
>LibraryManagedAttributes : Symbol(LibraryManagedAttributes, Decl(index.d.ts, 9, 39))
>Component : Symbol(Component, Decl(index.d.ts, 10, 34))
>Props : Symbol(Props, Decl(index.d.ts, 10, 44))
>Component : Symbol(Component, Decl(index.d.ts, 10, 34))
defaultProps: infer Defaults;
>defaultProps : Symbol(defaultProps, Decl(index.d.ts, 10, 73))
>Defaults : Symbol(Defaults, Decl(index.d.ts, 11, 27))
}
? Defaultize<Props, Defaults>
>Defaultize : Symbol(Defaultize, Decl(index.d.ts, 0, 0))
>Props : Symbol(Props, Decl(index.d.ts, 10, 44))
>Defaults : Symbol(Defaults, Decl(index.d.ts, 11, 27))
: Props;
>Props : Symbol(Props, Decl(index.d.ts, 10, 44))
interface IntrinsicAttributes {
>IntrinsicAttributes : Symbol(IntrinsicAttributes, Decl(index.d.ts, 14, 16))
key?: any;
>key : Symbol(IntrinsicAttributes.key, Decl(index.d.ts, 16, 35))
}
interface Element extends VNode<any> { }
>Element : Symbol(Element, Decl(index.d.ts, 18, 5))
>VNode : Symbol(VNode, Decl(index.d.ts, 39, 35))
interface ElementClass extends Component<any, any> { }
>ElementClass : Symbol(ElementClass, Decl(index.d.ts, 20, 44))
>Component : Symbol(Component, Decl(index.d.ts, 41, 28))
interface ElementAttributesProperty {
>ElementAttributesProperty : Symbol(ElementAttributesProperty, Decl(index.d.ts, 22, 58))
props: any;
>props : Symbol(ElementAttributesProperty.props, Decl(index.d.ts, 24, 41))
}
interface ElementChildrenAttribute {
>ElementChildrenAttribute : Symbol(ElementChildrenAttribute, Decl(index.d.ts, 26, 5))
children: any;
>children : Symbol(ElementChildrenAttribute.children, Decl(index.d.ts, 28, 40))
}
interface IntrinsicElements {
>IntrinsicElements : Symbol(IntrinsicElements, Decl(index.d.ts, 30, 5))
div: HTMLAttributes;
>div : Symbol(IntrinsicElements.div, Decl(index.d.ts, 32, 33))
>HTMLAttributes : Symbol(HTMLAttributes, Decl(index.d.ts, 7, 30))
}
}
export const Fragment: unique symbol;
>Fragment : Symbol(Fragment, Decl(index.d.ts, 36, 12))
export type ComponentType<T = {}> = {};
>ComponentType : Symbol(ComponentType, Decl(index.d.ts, 36, 37))
>T : Symbol(T, Decl(index.d.ts, 37, 26))
export type ComponentChild = {};
>ComponentChild : Symbol(ComponentChild, Decl(index.d.ts, 37, 39))
export type ComponentChildren = {};
>ComponentChildren : Symbol(ComponentChildren, Decl(index.d.ts, 38, 32))
export type VNode<T = {}> = {};
>VNode : Symbol(VNode, Decl(index.d.ts, 39, 35))
>T : Symbol(T, Decl(index.d.ts, 40, 18))
export type Attributes = {};
>Attributes : Symbol(Attributes, Decl(index.d.ts, 40, 31))
export type Component<T = {}, U = {}> = {};
>Component : Symbol(Component, Decl(index.d.ts, 41, 28))
>T : Symbol(T, Decl(index.d.ts, 42, 22))
>U : Symbol(U, Decl(index.d.ts, 42, 29))
=== /node_modules/preact/jsx-runtime/index.d.ts ===
export { Fragment } from '..';
>Fragment : Symbol(Fragment, Decl(index.d.ts, 0, 8))
import {
ComponentType,
>ComponentType : Symbol(ComponentType, Decl(index.d.ts, 1, 8))
ComponentChild,
>ComponentChild : Symbol(ComponentChild, Decl(index.d.ts, 2, 18))
ComponentChildren,
>ComponentChildren : Symbol(ComponentChildren, Decl(index.d.ts, 3, 19))
VNode,
>VNode : Symbol(VNode, Decl(index.d.ts, 4, 22))
Attributes
>Attributes : Symbol(Attributes, Decl(index.d.ts, 5, 10))
} from '..';
import { JSXInternal } from '..';
>JSXInternal : Symbol(JSXInternal, Decl(index.d.ts, 8, 8))
export function jsx(
>jsx : Symbol(jsx, Decl(index.d.ts, 8, 33), Decl(index.d.ts, 16, 14))
type: string,
>type : Symbol(type, Decl(index.d.ts, 10, 20))
props: JSXInternal.HTMLAttributes &
>props : Symbol(props, Decl(index.d.ts, 11, 17))
>JSXInternal : Symbol(JSXInternal, Decl(index.d.ts, 8, 8))
>HTMLAttributes : Symbol(JSXInternal.HTMLAttributes, Decl(index.d.ts, 7, 30))
JSXInternal.SVGAttributes &
>JSXInternal : Symbol(JSXInternal, Decl(index.d.ts, 8, 8))
>SVGAttributes : Symbol(JSXInternal.SVGAttributes, Decl(index.d.ts, 8, 40))
Record<string, any> & { children?: ComponentChild },
>Record : Symbol(Record, Decl(lib.es5.d.ts, --, --))
>children : Symbol(children, Decl(index.d.ts, 14, 31))
>ComponentChild : Symbol(ComponentChild, Decl(index.d.ts, 2, 18))
key?: string
>key : Symbol(key, Decl(index.d.ts, 14, 60))
): VNode<any>;
>VNode : Symbol(VNode, Decl(index.d.ts, 4, 22))
export function jsx<P>(
>jsx : Symbol(jsx, Decl(index.d.ts, 8, 33), Decl(index.d.ts, 16, 14))
>P : Symbol(P, Decl(index.d.ts, 17, 20))
type: ComponentType<P>,
>type : Symbol(type, Decl(index.d.ts, 17, 23))
>ComponentType : Symbol(ComponentType, Decl(index.d.ts, 1, 8))
>P : Symbol(P, Decl(index.d.ts, 17, 20))
props: Attributes & P & { children?: ComponentChild },
>props : Symbol(props, Decl(index.d.ts, 18, 27))
>Attributes : Symbol(Attributes, Decl(index.d.ts, 5, 10))
>P : Symbol(P, Decl(index.d.ts, 17, 20))
>children : Symbol(children, Decl(index.d.ts, 19, 29))
>ComponentChild : Symbol(ComponentChild, Decl(index.d.ts, 2, 18))
key?: string
>key : Symbol(key, Decl(index.d.ts, 19, 58))
): VNode<any>;
>VNode : Symbol(VNode, Decl(index.d.ts, 4, 22))
export function jsxs(
>jsxs : Symbol(jsxs, Decl(index.d.ts, 21, 14), Decl(index.d.ts, 29, 14))
type: string,
>type : Symbol(type, Decl(index.d.ts, 23, 21))
props: JSXInternal.HTMLAttributes &
>props : Symbol(props, Decl(index.d.ts, 24, 17))
>JSXInternal : Symbol(JSXInternal, Decl(index.d.ts, 8, 8))
>HTMLAttributes : Symbol(JSXInternal.HTMLAttributes, Decl(index.d.ts, 7, 30))
JSXInternal.SVGAttributes &
>JSXInternal : Symbol(JSXInternal, Decl(index.d.ts, 8, 8))
>SVGAttributes : Symbol(JSXInternal.SVGAttributes, Decl(index.d.ts, 8, 40))
Record<string, any> & { children?: ComponentChild[] },
>Record : Symbol(Record, Decl(lib.es5.d.ts, --, --))
>children : Symbol(children, Decl(index.d.ts, 27, 31))
>ComponentChild : Symbol(ComponentChild, Decl(index.d.ts, 2, 18))
key?: string
>key : Symbol(key, Decl(index.d.ts, 27, 62))
): VNode<any>;
>VNode : Symbol(VNode, Decl(index.d.ts, 4, 22))
export function jsxs<P>(
>jsxs : Symbol(jsxs, Decl(index.d.ts, 21, 14), Decl(index.d.ts, 29, 14))
>P : Symbol(P, Decl(index.d.ts, 30, 21))
type: ComponentType<P>,
>type : Symbol(type, Decl(index.d.ts, 30, 24))
>ComponentType : Symbol(ComponentType, Decl(index.d.ts, 1, 8))
>P : Symbol(P, Decl(index.d.ts, 30, 21))
props: Attributes & P & { children?: ComponentChild[] },
>props : Symbol(props, Decl(index.d.ts, 31, 27))
>Attributes : Symbol(Attributes, Decl(index.d.ts, 5, 10))
>P : Symbol(P, Decl(index.d.ts, 30, 21))
>children : Symbol(children, Decl(index.d.ts, 32, 29))
>ComponentChild : Symbol(ComponentChild, Decl(index.d.ts, 2, 18))
key?: string
>key : Symbol(key, Decl(index.d.ts, 32, 60))
): VNode<any>;
>VNode : Symbol(VNode, Decl(index.d.ts, 4, 22))
export function jsxDEV(
>jsxDEV : Symbol(jsxDEV, Decl(index.d.ts, 34, 14), Decl(index.d.ts, 42, 14))
type: string,
>type : Symbol(type, Decl(index.d.ts, 36, 23))
props: JSXInternal.HTMLAttributes &
>props : Symbol(props, Decl(index.d.ts, 37, 17))
>JSXInternal : Symbol(JSXInternal, Decl(index.d.ts, 8, 8))
>HTMLAttributes : Symbol(JSXInternal.HTMLAttributes, Decl(index.d.ts, 7, 30))
JSXInternal.SVGAttributes &
>JSXInternal : Symbol(JSXInternal, Decl(index.d.ts, 8, 8))
>SVGAttributes : Symbol(JSXInternal.SVGAttributes, Decl(index.d.ts, 8, 40))
Record<string, any> & { children?: ComponentChildren },
>Record : Symbol(Record, Decl(lib.es5.d.ts, --, --))
>children : Symbol(children, Decl(index.d.ts, 40, 31))
>ComponentChildren : Symbol(ComponentChildren, Decl(index.d.ts, 3, 19))
key?: string
>key : Symbol(key, Decl(index.d.ts, 40, 63))
): VNode<any>;
>VNode : Symbol(VNode, Decl(index.d.ts, 4, 22))
export function jsxDEV<P>(
>jsxDEV : Symbol(jsxDEV, Decl(index.d.ts, 34, 14), Decl(index.d.ts, 42, 14))
>P : Symbol(P, Decl(index.d.ts, 43, 23))
type: ComponentType<P>,
>type : Symbol(type, Decl(index.d.ts, 43, 26))
>ComponentType : Symbol(ComponentType, Decl(index.d.ts, 1, 8))
>P : Symbol(P, Decl(index.d.ts, 43, 23))
props: Attributes & P & { children?: ComponentChildren },
>props : Symbol(props, Decl(index.d.ts, 44, 27))
>Attributes : Symbol(Attributes, Decl(index.d.ts, 5, 10))
>P : Symbol(P, Decl(index.d.ts, 43, 23))
>children : Symbol(children, Decl(index.d.ts, 45, 29))
>ComponentChildren : Symbol(ComponentChildren, Decl(index.d.ts, 3, 19))
key?: string
>key : Symbol(key, Decl(index.d.ts, 45, 61))
): VNode<any>;
>VNode : Symbol(VNode, Decl(index.d.ts, 4, 22))
// This shouldn't be preferred over
//export namespace jsxDEV {
// export import JSX = JSXInternal;
//}
// but it sort-of should work and it shouldn't crash.
declare global {
>global : Symbol(global, Decl(index.d.ts, 47, 14))
// @ts-ignore
export import JSX = JSXInternal;
>JSX : Symbol(JSX, Decl(index.d.ts, 53, 16))
>JSXInternal : Symbol(JSXInternal, Decl(index.d.ts, 8, 8))
}
=== /index.tsx ===
export const Comp = () => <div></div>;
>Comp : Symbol(Comp, Decl(index.tsx, 0, 12))
>div : Symbol(JSX.IntrinsicElements.div, Decl(index.d.ts, 32, 33))
>div : Symbol(JSX.IntrinsicElements.div, Decl(index.d.ts, 32, 33))

216
tests/baselines/reference/jsxNamespaceGlobalReexport.types Normal file
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@ -0,0 +1,216 @@
=== /node_modules/preact/index.d.ts ===
type Defaultize<Props, Defaults> =
>Defaultize : Defaultize<Props, Defaults>
// Distribute over unions
Props extends any // Make any properties included in Default optional
? Partial<Pick<Props, Extract<keyof Props, keyof Defaults>>> &
// Include the remaining properties from Props
Pick<Props, Exclude<keyof Props, keyof Defaults>>
: never;
export namespace JSXInternal {
interface HTMLAttributes<T = {}> { }
interface SVGAttributes<T = {}> { }
type LibraryManagedAttributes<Component, Props> = Component extends {
>LibraryManagedAttributes : LibraryManagedAttributes<Component, Props>
defaultProps: infer Defaults;
>defaultProps : Defaults
}
? Defaultize<Props, Defaults>
: Props;
interface IntrinsicAttributes {
key?: any;
>key : any
}
interface Element extends VNode<any> { }
interface ElementClass extends Component<any, any> { }
interface ElementAttributesProperty {
props: any;
>props : any
}
interface ElementChildrenAttribute {
children: any;
>children : any
}
interface IntrinsicElements {
div: HTMLAttributes;
>div : HTMLAttributes<{}>
}
}
export const Fragment: unique symbol;
>Fragment : unique symbol
export type ComponentType<T = {}> = {};
>ComponentType : ComponentType<T>
export type ComponentChild = {};
>ComponentChild : ComponentChild
export type ComponentChildren = {};
>ComponentChildren : ComponentChildren
export type VNode<T = {}> = {};
>VNode : VNode<T>
export type Attributes = {};
>Attributes : Attributes
export type Component<T = {}, U = {}> = {};
>Component : Component<T, U>
=== /node_modules/preact/jsx-runtime/index.d.ts ===
export { Fragment } from '..';
>Fragment : unique symbol
import {
ComponentType,
>ComponentType : any
ComponentChild,
>ComponentChild : any
ComponentChildren,
>ComponentChildren : any
VNode,
>VNode : any
Attributes
>Attributes : any
} from '..';
import { JSXInternal } from '..';
>JSXInternal : any
export function jsx(
>jsx : { (type: string, props: JSXInternal.HTMLAttributes & JSXInternal.SVGAttributes & Record<string, any> & { children?: ComponentChild;}, key?: string | undefined): VNode<any>; <P>(type: ComponentType<P>, props: P & { children?: ComponentChild | undefined; }, key?: string | undefined): VNode<any>; }
type: string,
>type : string
props: JSXInternal.HTMLAttributes &
>props : JSXInternal.HTMLAttributes<{}> & JSXInternal.SVGAttributes<{}> & Record<string, any> & { children?: ComponentChild | undefined; }
>JSXInternal : any
JSXInternal.SVGAttributes &
>JSXInternal : any
Record<string, any> & { children?: ComponentChild },
>children : ComponentChild | undefined
key?: string
>key : string | undefined
): VNode<any>;
export function jsx<P>(
>jsx : { (type: string, props: JSXInternal.HTMLAttributes<{}> & JSXInternal.SVGAttributes<{}> & Record<string, any> & { children?: ComponentChild | undefined; }, key?: string | undefined): VNode<any>; <P>(type: ComponentType<P>, props: Attributes & P & { children?: ComponentChild;}, key?: string | undefined): VNode<any>; }
type: ComponentType<P>,
>type : ComponentType<P>
props: Attributes & P & { children?: ComponentChild },
>props : P & { children?: ComponentChild | undefined; }
>children : ComponentChild | undefined
key?: string
>key : string | undefined
): VNode<any>;
export function jsxs(
>jsxs : { (type: string, props: JSXInternal.HTMLAttributes & JSXInternal.SVGAttributes & Record<string, any> & { children?: ComponentChild[];}, key?: string | undefined): VNode<any>; <P>(type: ComponentType<P>, props: P & { children?: ComponentChild[] | undefined; }, key?: string | undefined): VNode<any>; }
type: string,
>type : string
props: JSXInternal.HTMLAttributes &
>props : JSXInternal.HTMLAttributes<{}> & JSXInternal.SVGAttributes<{}> & Record<string, any> & { children?: ComponentChild[] | undefined; }
>JSXInternal : any
JSXInternal.SVGAttributes &
>JSXInternal : any
Record<string, any> & { children?: ComponentChild[] },
>children : ComponentChild[] | undefined
key?: string
>key : string | undefined
): VNode<any>;
export function jsxs<P>(
>jsxs : { (type: string, props: JSXInternal.HTMLAttributes<{}> & JSXInternal.SVGAttributes<{}> & Record<string, any> & { children?: ComponentChild[] | undefined; }, key?: string | undefined): VNode<any>; <P>(type: ComponentType<P>, props: Attributes & P & { children?: ComponentChild[];}, key?: string | undefined): VNode<any>; }
type: ComponentType<P>,
>type : ComponentType<P>
props: Attributes & P & { children?: ComponentChild[] },
>props : P & { children?: ComponentChild[] | undefined; }
>children : ComponentChild[] | undefined
key?: string
>key : string | undefined
): VNode<any>;
export function jsxDEV(
>jsxDEV : { (type: string, props: JSXInternal.HTMLAttributes & JSXInternal.SVGAttributes & Record<string, any> & { children?: ComponentChildren;}, key?: string | undefined): VNode<any>; <P>(type: ComponentType<P>, props: P & { children?: ComponentChildren | undefined; }, key?: string | undefined): VNode<any>; }
type: string,
>type : string
props: JSXInternal.HTMLAttributes &
>props : JSXInternal.HTMLAttributes<{}> & JSXInternal.SVGAttributes<{}> & Record<string, any> & { children?: ComponentChildren | undefined; }
>JSXInternal : any
JSXInternal.SVGAttributes &
>JSXInternal : any
Record<string, any> & { children?: ComponentChildren },
>children : ComponentChildren | undefined
key?: string
>key : string | undefined
): VNode<any>;
export function jsxDEV<P>(
>jsxDEV : { (type: string, props: JSXInternal.HTMLAttributes<{}> & JSXInternal.SVGAttributes<{}> & Record<string, any> & { children?: ComponentChildren | undefined; }, key?: string | undefined): VNode<any>; <P>(type: ComponentType<P>, props: Attributes & P & { children?: ComponentChildren;}, key?: string | undefined): VNode<any>; }
type: ComponentType<P>,
>type : ComponentType<P>
props: Attributes & P & { children?: ComponentChildren },
>props : P & { children?: ComponentChildren | undefined; }
>children : ComponentChildren | undefined
key?: string
>key : string | undefined
): VNode<any>;
// This shouldn't be preferred over
//export namespace jsxDEV {
// export import JSX = JSXInternal;
//}
// but it sort-of should work and it shouldn't crash.
declare global {
>global : typeof global
// @ts-ignore
export import JSX = JSXInternal;
>JSX : any
>JSXInternal : error
}
=== /index.tsx ===
export const Comp = () => <div></div>;
>Comp : () => JSX.Element
>() => <div></div> : () => JSX.Element
><div></div> : JSX.Element
>div : any
>div : any

108
tests/baselines/reference/jsxNamespaceGlobalReexportMissingAliasTarget.errors.txt Normal file
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@ -0,0 +1,108 @@
/index.tsx(1,27): error TS7026: JSX element implicitly has type 'any' because no interface 'JSX.IntrinsicElements' exists.
/index.tsx(1,32): error TS7026: JSX element implicitly has type 'any' because no interface 'JSX.IntrinsicElements' exists.
==== /node_modules/preact/index.d.ts (0 errors) ====
type Defaultize<Props, Defaults> =
// Distribute over unions
Props extends any // Make any properties included in Default optional
? Partial<Pick<Props, Extract<keyof Props, keyof Defaults>>> &
// Include the remaining properties from Props
Pick<Props, Exclude<keyof Props, keyof Defaults>>
: never;
export namespace JSXInternal {
interface HTMLAttributes<T = {}> { }
interface SVGAttributes<T = {}> { }
type LibraryManagedAttributes<Component, Props> = Component extends {
defaultProps: infer Defaults;
}
? Defaultize<Props, Defaults>
: Props;
interface IntrinsicAttributes {
key?: any;
}
interface Element extends VNode<any> { }
interface ElementClass extends Component<any, any> { }
interface ElementAttributesProperty {
props: any;
}
interface ElementChildrenAttribute {
children: any;
}
interface IntrinsicElements {
div: HTMLAttributes;
}
}
export const Fragment: unique symbol;
export type ComponentType<T = {}> = {};
export type ComponentChild = {};
export type ComponentChildren = {};
export type VNode<T = {}> = {};
export type Attributes = {};
export type Component<T = {}, U = {}> = {};
==== /node_modules/preact/jsx-runtime/index.d.ts (0 errors) ====
export { Fragment } from '..';
import {
ComponentType,
ComponentChild,
ComponentChildren,
VNode,
Attributes
} from '..';
import { JSXInternal } from '..';
export function jsx(
type: string,
props: JSXInternal.HTMLAttributes &
JSXInternal.SVGAttributes &
Record<string, any> & { children?: ComponentChild },
key?: string
): VNode<any>;
export function jsx<P>(
type: ComponentType<P>,
props: Attributes & P & { children?: ComponentChild },
key?: string
): VNode<any>;
export function jsxs(
type: string,
props: JSXInternal.HTMLAttributes &
JSXInternal.SVGAttributes &
Record<string, any> & { children?: ComponentChild[] },
key?: string
): VNode<any>;
export function jsxs<P>(
type: ComponentType<P>,
props: Attributes & P & { children?: ComponentChild[] },
key?: string
): VNode<any>;
export function jsxDEV(
type: string,
props: JSXInternal.HTMLAttributes &
JSXInternal.SVGAttributes &
Record<string, any> & { children?: ComponentChildren },
key?: string
): VNode<any>;
export function jsxDEV<P>(
type: ComponentType<P>,
props: Attributes & P & { children?: ComponentChildren },
key?: string
): VNode<any>;
declare global {
// @ts-ignore
export import JSX = NotFound;
}
==== /index.tsx (2 errors) ====
export const Comp = () => <div></div>;
~~~~~
!!! error TS7026: JSX element implicitly has type 'any' because no interface 'JSX.IntrinsicElements' exists.
~~~~~~
!!! error TS7026: JSX element implicitly has type 'any' because no interface 'JSX.IntrinsicElements' exists.

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//// [tests/cases/compiler/jsxNamespaceGlobalReexportMissingAliasTarget.tsx] ////
//// [index.d.ts]
type Defaultize<Props, Defaults> =
// Distribute over unions
Props extends any // Make any properties included in Default optional
? Partial<Pick<Props, Extract<keyof Props, keyof Defaults>>> &
// Include the remaining properties from Props
Pick<Props, Exclude<keyof Props, keyof Defaults>>
: never;
export namespace JSXInternal {
interface HTMLAttributes<T = {}> { }
interface SVGAttributes<T = {}> { }
type LibraryManagedAttributes<Component, Props> = Component extends {
defaultProps: infer Defaults;
}
? Defaultize<Props, Defaults>
: Props;
interface IntrinsicAttributes {
key?: any;
}
interface Element extends VNode<any> { }
interface ElementClass extends Component<any, any> { }
interface ElementAttributesProperty {
props: any;
}
interface ElementChildrenAttribute {
children: any;
}
interface IntrinsicElements {
div: HTMLAttributes;
}
}
export const Fragment: unique symbol;
export type ComponentType<T = {}> = {};
export type ComponentChild = {};
export type ComponentChildren = {};
export type VNode<T = {}> = {};
export type Attributes = {};
export type Component<T = {}, U = {}> = {};
//// [index.d.ts]
export { Fragment } from '..';
import {
ComponentType,
ComponentChild,
ComponentChildren,
VNode,
Attributes
} from '..';
import { JSXInternal } from '..';
export function jsx(
type: string,
props: JSXInternal.HTMLAttributes &
JSXInternal.SVGAttributes &
Record<string, any> & { children?: ComponentChild },
key?: string
): VNode<any>;
export function jsx<P>(
type: ComponentType<P>,
props: Attributes & P & { children?: ComponentChild },
key?: string
): VNode<any>;
export function jsxs(
type: string,
props: JSXInternal.HTMLAttributes &
JSXInternal.SVGAttributes &
Record<string, any> & { children?: ComponentChild[] },
key?: string
): VNode<any>;
export function jsxs<P>(
type: ComponentType<P>,
props: Attributes & P & { children?: ComponentChild[] },
key?: string
): VNode<any>;
export function jsxDEV(
type: string,
props: JSXInternal.HTMLAttributes &
JSXInternal.SVGAttributes &
Record<string, any> & { children?: ComponentChildren },
key?: string
): VNode<any>;
export function jsxDEV<P>(
type: ComponentType<P>,
props: Attributes & P & { children?: ComponentChildren },
key?: string
): VNode<any>;
declare global {
// @ts-ignore
export import JSX = NotFound;
}
//// [index.tsx]
export const Comp = () => <div></div>;
//// [index.js]
"use strict";
exports.__esModule = true;
exports.Comp = void 0;
var jsx_runtime_1 = require("preact/jsx-runtime");
var Comp = function () { return jsx_runtime_1.jsx("div", {}, void 0); };
exports.Comp = Comp;

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=== /node_modules/preact/index.d.ts ===
type Defaultize<Props, Defaults> =
>Defaultize : Symbol(Defaultize, Decl(index.d.ts, 0, 0))
>Props : Symbol(Props, Decl(index.d.ts, 0, 16))
>Defaults : Symbol(Defaults, Decl(index.d.ts, 0, 22))
// Distribute over unions
Props extends any // Make any properties included in Default optional
>Props : Symbol(Props, Decl(index.d.ts, 0, 16))
? Partial<Pick<Props, Extract<keyof Props, keyof Defaults>>> &
>Partial : Symbol(Partial, Decl(lib.es5.d.ts, --, --))
>Pick : Symbol(Pick, Decl(lib.es5.d.ts, --, --))
>Props : Symbol(Props, Decl(index.d.ts, 0, 16))
>Extract : Symbol(Extract, Decl(lib.es5.d.ts, --, --))
>Props : Symbol(Props, Decl(index.d.ts, 0, 16))
>Defaults : Symbol(Defaults, Decl(index.d.ts, 0, 22))
// Include the remaining properties from Props
Pick<Props, Exclude<keyof Props, keyof Defaults>>
>Pick : Symbol(Pick, Decl(lib.es5.d.ts, --, --))
>Props : Symbol(Props, Decl(index.d.ts, 0, 16))
>Exclude : Symbol(Exclude, Decl(lib.es5.d.ts, --, --))
>Props : Symbol(Props, Decl(index.d.ts, 0, 16))
>Defaults : Symbol(Defaults, Decl(index.d.ts, 0, 22))
: never;
export namespace JSXInternal {
>JSXInternal : Symbol(JSXInternal, Decl(index.d.ts, 6, 10))
interface HTMLAttributes<T = {}> { }
>HTMLAttributes : Symbol(HTMLAttributes, Decl(index.d.ts, 7, 30))
>T : Symbol(T, Decl(index.d.ts, 8, 29))
interface SVGAttributes<T = {}> { }
>SVGAttributes : Symbol(SVGAttributes, Decl(index.d.ts, 8, 40))
>T : Symbol(T, Decl(index.d.ts, 9, 28))
type LibraryManagedAttributes<Component, Props> = Component extends {
>LibraryManagedAttributes : Symbol(LibraryManagedAttributes, Decl(index.d.ts, 9, 39))
>Component : Symbol(Component, Decl(index.d.ts, 10, 34))
>Props : Symbol(Props, Decl(index.d.ts, 10, 44))
>Component : Symbol(Component, Decl(index.d.ts, 10, 34))
defaultProps: infer Defaults;
>defaultProps : Symbol(defaultProps, Decl(index.d.ts, 10, 73))
>Defaults : Symbol(Defaults, Decl(index.d.ts, 11, 27))
}
? Defaultize<Props, Defaults>
>Defaultize : Symbol(Defaultize, Decl(index.d.ts, 0, 0))
>Props : Symbol(Props, Decl(index.d.ts, 10, 44))
>Defaults : Symbol(Defaults, Decl(index.d.ts, 11, 27))
: Props;
>Props : Symbol(Props, Decl(index.d.ts, 10, 44))
interface IntrinsicAttributes {
>IntrinsicAttributes : Symbol(IntrinsicAttributes, Decl(index.d.ts, 14, 16))
key?: any;
>key : Symbol(IntrinsicAttributes.key, Decl(index.d.ts, 16, 35))
}
interface Element extends VNode<any> { }
>Element : Symbol(Element, Decl(index.d.ts, 18, 5))
>VNode : Symbol(VNode, Decl(index.d.ts, 39, 35))
interface ElementClass extends Component<any, any> { }
>ElementClass : Symbol(ElementClass, Decl(index.d.ts, 20, 44))
>Component : Symbol(Component, Decl(index.d.ts, 41, 28))
interface ElementAttributesProperty {
>ElementAttributesProperty : Symbol(ElementAttributesProperty, Decl(index.d.ts, 22, 58))
props: any;
>props : Symbol(ElementAttributesProperty.props, Decl(index.d.ts, 24, 41))
}
interface ElementChildrenAttribute {
>ElementChildrenAttribute : Symbol(ElementChildrenAttribute, Decl(index.d.ts, 26, 5))
children: any;
>children : Symbol(ElementChildrenAttribute.children, Decl(index.d.ts, 28, 40))
}
interface IntrinsicElements {
>IntrinsicElements : Symbol(IntrinsicElements, Decl(index.d.ts, 30, 5))
div: HTMLAttributes;
>div : Symbol(IntrinsicElements.div, Decl(index.d.ts, 32, 33))
>HTMLAttributes : Symbol(HTMLAttributes, Decl(index.d.ts, 7, 30))
}
}
export const Fragment: unique symbol;
>Fragment : Symbol(Fragment, Decl(index.d.ts, 36, 12))
export type ComponentType<T = {}> = {};
>ComponentType : Symbol(ComponentType, Decl(index.d.ts, 36, 37))
>T : Symbol(T, Decl(index.d.ts, 37, 26))
export type ComponentChild = {};
>ComponentChild : Symbol(ComponentChild, Decl(index.d.ts, 37, 39))
export type ComponentChildren = {};
>ComponentChildren : Symbol(ComponentChildren, Decl(index.d.ts, 38, 32))
export type VNode<T = {}> = {};
>VNode : Symbol(VNode, Decl(index.d.ts, 39, 35))
>T : Symbol(T, Decl(index.d.ts, 40, 18))
export type Attributes = {};
>Attributes : Symbol(Attributes, Decl(index.d.ts, 40, 31))
export type Component<T = {}, U = {}> = {};
>Component : Symbol(Component, Decl(index.d.ts, 41, 28))
>T : Symbol(T, Decl(index.d.ts, 42, 22))
>U : Symbol(U, Decl(index.d.ts, 42, 29))
=== /node_modules/preact/jsx-runtime/index.d.ts ===
export { Fragment } from '..';
>Fragment : Symbol(Fragment, Decl(index.d.ts, 0, 8))
import {
ComponentType,
>ComponentType : Symbol(ComponentType, Decl(index.d.ts, 1, 8))
ComponentChild,
>ComponentChild : Symbol(ComponentChild, Decl(index.d.ts, 2, 18))
ComponentChildren,
>ComponentChildren : Symbol(ComponentChildren, Decl(index.d.ts, 3, 19))
VNode,
>VNode : Symbol(VNode, Decl(index.d.ts, 4, 22))
Attributes
>Attributes : Symbol(Attributes, Decl(index.d.ts, 5, 10))
} from '..';
import { JSXInternal } from '..';
>JSXInternal : Symbol(JSXInternal, Decl(index.d.ts, 8, 8))
export function jsx(
>jsx : Symbol(jsx, Decl(index.d.ts, 8, 33), Decl(index.d.ts, 16, 14))
type: string,
>type : Symbol(type, Decl(index.d.ts, 10, 20))
props: JSXInternal.HTMLAttributes &
>props : Symbol(props, Decl(index.d.ts, 11, 17))
>JSXInternal : Symbol(JSXInternal, Decl(index.d.ts, 8, 8))
>HTMLAttributes : Symbol(JSXInternal.HTMLAttributes, Decl(index.d.ts, 7, 30))
JSXInternal.SVGAttributes &
>JSXInternal : Symbol(JSXInternal, Decl(index.d.ts, 8, 8))
>SVGAttributes : Symbol(JSXInternal.SVGAttributes, Decl(index.d.ts, 8, 40))
Record<string, any> & { children?: ComponentChild },
>Record : Symbol(Record, Decl(lib.es5.d.ts, --, --))
>children : Symbol(children, Decl(index.d.ts, 14, 31))
>ComponentChild : Symbol(ComponentChild, Decl(index.d.ts, 2, 18))
key?: string
>key : Symbol(key, Decl(index.d.ts, 14, 60))
): VNode<any>;
>VNode : Symbol(VNode, Decl(index.d.ts, 4, 22))
export function jsx<P>(
>jsx : Symbol(jsx, Decl(index.d.ts, 8, 33), Decl(index.d.ts, 16, 14))
>P : Symbol(P, Decl(index.d.ts, 17, 20))
type: ComponentType<P>,
>type : Symbol(type, Decl(index.d.ts, 17, 23))
>ComponentType : Symbol(ComponentType, Decl(index.d.ts, 1, 8))
>P : Symbol(P, Decl(index.d.ts, 17, 20))
props: Attributes & P & { children?: ComponentChild },
>props : Symbol(props, Decl(index.d.ts, 18, 27))
>Attributes : Symbol(Attributes, Decl(index.d.ts, 5, 10))
>P : Symbol(P, Decl(index.d.ts, 17, 20))
>children : Symbol(children, Decl(index.d.ts, 19, 29))
>ComponentChild : Symbol(ComponentChild, Decl(index.d.ts, 2, 18))
key?: string
>key : Symbol(key, Decl(index.d.ts, 19, 58))
): VNode<any>;
>VNode : Symbol(VNode, Decl(index.d.ts, 4, 22))
export function jsxs(
>jsxs : Symbol(jsxs, Decl(index.d.ts, 21, 14), Decl(index.d.ts, 29, 14))
type: string,
>type : Symbol(type, Decl(index.d.ts, 23, 21))
props: JSXInternal.HTMLAttributes &
>props : Symbol(props, Decl(index.d.ts, 24, 17))
>JSXInternal : Symbol(JSXInternal, Decl(index.d.ts, 8, 8))
>HTMLAttributes : Symbol(JSXInternal.HTMLAttributes, Decl(index.d.ts, 7, 30))
JSXInternal.SVGAttributes &
>JSXInternal : Symbol(JSXInternal, Decl(index.d.ts, 8, 8))
>SVGAttributes : Symbol(JSXInternal.SVGAttributes, Decl(index.d.ts, 8, 40))
Record<string, any> & { children?: ComponentChild[] },
>Record : Symbol(Record, Decl(lib.es5.d.ts, --, --))
>children : Symbol(children, Decl(index.d.ts, 27, 31))
>ComponentChild : Symbol(ComponentChild, Decl(index.d.ts, 2, 18))
key?: string
>key : Symbol(key, Decl(index.d.ts, 27, 62))
): VNode<any>;
>VNode : Symbol(VNode, Decl(index.d.ts, 4, 22))
export function jsxs<P>(
>jsxs : Symbol(jsxs, Decl(index.d.ts, 21, 14), Decl(index.d.ts, 29, 14))
>P : Symbol(P, Decl(index.d.ts, 30, 21))
type: ComponentType<P>,
>type : Symbol(type, Decl(index.d.ts, 30, 24))
>ComponentType : Symbol(ComponentType, Decl(index.d.ts, 1, 8))
>P : Symbol(P, Decl(index.d.ts, 30, 21))
props: Attributes & P & { children?: ComponentChild[] },
>props : Symbol(props, Decl(index.d.ts, 31, 27))
>Attributes : Symbol(Attributes, Decl(index.d.ts, 5, 10))
>P : Symbol(P, Decl(index.d.ts, 30, 21))
>children : Symbol(children, Decl(index.d.ts, 32, 29))
>ComponentChild : Symbol(ComponentChild, Decl(index.d.ts, 2, 18))
key?: string
>key : Symbol(key, Decl(index.d.ts, 32, 60))
): VNode<any>;
>VNode : Symbol(VNode, Decl(index.d.ts, 4, 22))
export function jsxDEV(
>jsxDEV : Symbol(jsxDEV, Decl(index.d.ts, 34, 14), Decl(index.d.ts, 42, 14))
type: string,
>type : Symbol(type, Decl(index.d.ts, 36, 23))
props: JSXInternal.HTMLAttributes &
>props : Symbol(props, Decl(index.d.ts, 37, 17))
>JSXInternal : Symbol(JSXInternal, Decl(index.d.ts, 8, 8))
>HTMLAttributes : Symbol(JSXInternal.HTMLAttributes, Decl(index.d.ts, 7, 30))
JSXInternal.SVGAttributes &
>JSXInternal : Symbol(JSXInternal, Decl(index.d.ts, 8, 8))
>SVGAttributes : Symbol(JSXInternal.SVGAttributes, Decl(index.d.ts, 8, 40))
Record<string, any> & { children?: ComponentChildren },
>Record : Symbol(Record, Decl(lib.es5.d.ts, --, --))
>children : Symbol(children, Decl(index.d.ts, 40, 31))
>ComponentChildren : Symbol(ComponentChildren, Decl(index.d.ts, 3, 19))
key?: string
>key : Symbol(key, Decl(index.d.ts, 40, 63))
): VNode<any>;
>VNode : Symbol(VNode, Decl(index.d.ts, 4, 22))
export function jsxDEV<P>(
>jsxDEV : Symbol(jsxDEV, Decl(index.d.ts, 34, 14), Decl(index.d.ts, 42, 14))
>P : Symbol(P, Decl(index.d.ts, 43, 23))
type: ComponentType<P>,
>type : Symbol(type, Decl(index.d.ts, 43, 26))
>ComponentType : Symbol(ComponentType, Decl(index.d.ts, 1, 8))
>P : Symbol(P, Decl(index.d.ts, 43, 23))
props: Attributes & P & { children?: ComponentChildren },
>props : Symbol(props, Decl(index.d.ts, 44, 27))
>Attributes : Symbol(Attributes, Decl(index.d.ts, 5, 10))
>P : Symbol(P, Decl(index.d.ts, 43, 23))
>children : Symbol(children, Decl(index.d.ts, 45, 29))
>ComponentChildren : Symbol(ComponentChildren, Decl(index.d.ts, 3, 19))
key?: string
>key : Symbol(key, Decl(index.d.ts, 45, 61))
): VNode<any>;
>VNode : Symbol(VNode, Decl(index.d.ts, 4, 22))
declare global {
>global : Symbol(global, Decl(index.d.ts, 47, 14))
// @ts-ignore
export import JSX = NotFound;
>JSX : Symbol(JSX, Decl(index.d.ts, 49, 16))
}
=== /index.tsx ===
export const Comp = () => <div></div>;
>Comp : Symbol(Comp, Decl(index.tsx, 0, 12))

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=== /node_modules/preact/index.d.ts ===
type Defaultize<Props, Defaults> =
>Defaultize : Defaultize<Props, Defaults>
// Distribute over unions
Props extends any // Make any properties included in Default optional
? Partial<Pick<Props, Extract<keyof Props, keyof Defaults>>> &
// Include the remaining properties from Props
Pick<Props, Exclude<keyof Props, keyof Defaults>>
: never;
export namespace JSXInternal {
interface HTMLAttributes<T = {}> { }
interface SVGAttributes<T = {}> { }
type LibraryManagedAttributes<Component, Props> = Component extends {
>LibraryManagedAttributes : LibraryManagedAttributes<Component, Props>
defaultProps: infer Defaults;
>defaultProps : Defaults
}
? Defaultize<Props, Defaults>
: Props;
interface IntrinsicAttributes {
key?: any;
>key : any
}
interface Element extends VNode<any> { }
interface ElementClass extends Component<any, any> { }
interface ElementAttributesProperty {
props: any;
>props : any
}
interface ElementChildrenAttribute {
children: any;
>children : any
}
interface IntrinsicElements {
div: HTMLAttributes;
>div : HTMLAttributes<{}>
}
}
export const Fragment: unique symbol;
>Fragment : unique symbol
export type ComponentType<T = {}> = {};
>ComponentType : ComponentType<T>
export type ComponentChild = {};
>ComponentChild : ComponentChild
export type ComponentChildren = {};
>ComponentChildren : ComponentChildren
export type VNode<T = {}> = {};
>VNode : VNode<T>
export type Attributes = {};
>Attributes : Attributes
export type Component<T = {}, U = {}> = {};
>Component : Component<T, U>
=== /node_modules/preact/jsx-runtime/index.d.ts ===
export { Fragment } from '..';
>Fragment : unique symbol
import {
ComponentType,
>ComponentType : any
ComponentChild,
>ComponentChild : any
ComponentChildren,
>ComponentChildren : any
VNode,
>VNode : any
Attributes
>Attributes : any
} from '..';
import { JSXInternal } from '..';
>JSXInternal : any
export function jsx(
>jsx : { (type: string, props: JSXInternal.HTMLAttributes & JSXInternal.SVGAttributes & Record<string, any> & { children?: ComponentChild;}, key?: string | undefined): VNode<any>; <P>(type: ComponentType<P>, props: P & { children?: ComponentChild | undefined; }, key?: string | undefined): VNode<any>; }
type: string,
>type : string
props: JSXInternal.HTMLAttributes &
>props : JSXInternal.HTMLAttributes<{}> & JSXInternal.SVGAttributes<{}> & Record<string, any> & { children?: ComponentChild | undefined; }
>JSXInternal : any
JSXInternal.SVGAttributes &
>JSXInternal : any
Record<string, any> & { children?: ComponentChild },
>children : ComponentChild | undefined
key?: string
>key : string | undefined
): VNode<any>;
export function jsx<P>(
>jsx : { (type: string, props: JSXInternal.HTMLAttributes<{}> & JSXInternal.SVGAttributes<{}> & Record<string, any> & { children?: ComponentChild | undefined; }, key?: string | undefined): VNode<any>; <P>(type: ComponentType<P>, props: Attributes & P & { children?: ComponentChild;}, key?: string | undefined): VNode<any>; }
type: ComponentType<P>,
>type : ComponentType<P>
props: Attributes & P & { children?: ComponentChild },
>props : P & { children?: ComponentChild | undefined; }
>children : ComponentChild | undefined
key?: string
>key : string | undefined
): VNode<any>;
export function jsxs(
>jsxs : { (type: string, props: JSXInternal.HTMLAttributes & JSXInternal.SVGAttributes & Record<string, any> & { children?: ComponentChild[];}, key?: string | undefined): VNode<any>; <P>(type: ComponentType<P>, props: P & { children?: ComponentChild[] | undefined; }, key?: string | undefined): VNode<any>; }
type: string,
>type : string
props: JSXInternal.HTMLAttributes &
>props : JSXInternal.HTMLAttributes<{}> & JSXInternal.SVGAttributes<{}> & Record<string, any> & { children?: ComponentChild[] | undefined; }
>JSXInternal : any
JSXInternal.SVGAttributes &
>JSXInternal : any
Record<string, any> & { children?: ComponentChild[] },
>children : ComponentChild[] | undefined
key?: string
>key : string | undefined
): VNode<any>;
export function jsxs<P>(
>jsxs : { (type: string, props: JSXInternal.HTMLAttributes<{}> & JSXInternal.SVGAttributes<{}> & Record<string, any> & { children?: ComponentChild[] | undefined; }, key?: string | undefined): VNode<any>; <P>(type: ComponentType<P>, props: Attributes & P & { children?: ComponentChild[];}, key?: string | undefined): VNode<any>; }
type: ComponentType<P>,
>type : ComponentType<P>
props: Attributes & P & { children?: ComponentChild[] },
>props : P & { children?: ComponentChild[] | undefined; }
>children : ComponentChild[] | undefined
key?: string
>key : string | undefined
): VNode<any>;
export function jsxDEV(
>jsxDEV : { (type: string, props: JSXInternal.HTMLAttributes & JSXInternal.SVGAttributes & Record<string, any> & { children?: ComponentChildren;}, key?: string | undefined): VNode<any>; <P>(type: ComponentType<P>, props: P & { children?: ComponentChildren | undefined; }, key?: string | undefined): VNode<any>; }
type: string,
>type : string
props: JSXInternal.HTMLAttributes &
>props : JSXInternal.HTMLAttributes<{}> & JSXInternal.SVGAttributes<{}> & Record<string, any> & { children?: ComponentChildren | undefined; }
>JSXInternal : any
JSXInternal.SVGAttributes &
>JSXInternal : any
Record<string, any> & { children?: ComponentChildren },
>children : ComponentChildren | undefined
key?: string
>key : string | undefined
): VNode<any>;
export function jsxDEV<P>(
>jsxDEV : { (type: string, props: JSXInternal.HTMLAttributes<{}> & JSXInternal.SVGAttributes<{}> & Record<string, any> & { children?: ComponentChildren | undefined; }, key?: string | undefined): VNode<any>; <P>(type: ComponentType<P>, props: Attributes & P & { children?: ComponentChildren;}, key?: string | undefined): VNode<any>; }
type: ComponentType<P>,
>type : ComponentType<P>
props: Attributes & P & { children?: ComponentChildren },
>props : P & { children?: ComponentChildren | undefined; }
>children : ComponentChildren | undefined
key?: string
>key : string | undefined
): VNode<any>;
declare global {
>global : typeof global
// @ts-ignore
export import JSX = NotFound;
>JSX : any
>NotFound : any
}
=== /index.tsx ===
export const Comp = () => <div></div>;
>Comp : () => any
>() => <div></div> : () => any
><div></div> : any
>div : any
>div : any

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// @strict: true
// @jsx: react-jsx
// @jsxImportSource: preact
// @types: preact/jsx-runtime
// @filename: /node_modules/preact/index.d.ts
type Defaultize<Props, Defaults> =
// Distribute over unions
Props extends any // Make any properties included in Default optional
? Partial<Pick<Props, Extract<keyof Props, keyof Defaults>>> &
// Include the remaining properties from Props
Pick<Props, Exclude<keyof Props, keyof Defaults>>
: never;
export namespace JSXInternal {
interface HTMLAttributes<T = {}> { }
interface SVGAttributes<T = {}> { }
type LibraryManagedAttributes<Component, Props> = Component extends {
defaultProps: infer Defaults;
}
? Defaultize<Props, Defaults>
: Props;
interface IntrinsicAttributes {
key?: any;
}
interface Element extends VNode<any> { }
interface ElementClass extends Component<any, any> { }
interface ElementAttributesProperty {
props: any;
}
interface ElementChildrenAttribute {
children: any;
}
interface IntrinsicElements {
div: HTMLAttributes;
}
}
export const Fragment: unique symbol;
export type ComponentType<T = {}> = {};
export type ComponentChild = {};
export type ComponentChildren = {};
export type VNode<T = {}> = {};
export type Attributes = {};
export type Component<T = {}, U = {}> = {};
// @filename: /node_modules/preact/jsx-runtime/index.d.ts
export { Fragment } from '..';
import {
ComponentType,
ComponentChild,
ComponentChildren,
VNode,
Attributes
} from '..';
import { JSXInternal } from '..';
export function jsx(
type: string,
props: JSXInternal.HTMLAttributes &
JSXInternal.SVGAttributes &
Record<string, any> & { children?: ComponentChild },
key?: string
): VNode<any>;
export function jsx<P>(
type: ComponentType<P>,
props: Attributes & P & { children?: ComponentChild },
key?: string
): VNode<any>;
export function jsxs(
type: string,
props: JSXInternal.HTMLAttributes &
JSXInternal.SVGAttributes &
Record<string, any> & { children?: ComponentChild[] },
key?: string
): VNode<any>;
export function jsxs<P>(
type: ComponentType<P>,
props: Attributes & P & { children?: ComponentChild[] },
key?: string
): VNode<any>;
export function jsxDEV(
type: string,
props: JSXInternal.HTMLAttributes &
JSXInternal.SVGAttributes &
Record<string, any> & { children?: ComponentChildren },
key?: string
): VNode<any>;
export function jsxDEV<P>(
type: ComponentType<P>,
props: Attributes & P & { children?: ComponentChildren },
key?: string
): VNode<any>;
// This shouldn't be preferred over
//export namespace jsxDEV {
// export import JSX = JSXInternal;
//}
// but it sort-of should work and it shouldn't crash.
declare global {
// @ts-ignore
export import JSX = JSXInternal;
}
// @filename: /index.tsx
export const Comp = () => <div></div>;

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// @strict: true
// @jsx: react-jsx
// @jsxImportSource: preact
// @types: preact/jsx-runtime
// @filename: /node_modules/preact/index.d.ts
type Defaultize<Props, Defaults> =
// Distribute over unions
Props extends any // Make any properties included in Default optional
? Partial<Pick<Props, Extract<keyof Props, keyof Defaults>>> &
// Include the remaining properties from Props
Pick<Props, Exclude<keyof Props, keyof Defaults>>
: never;
export namespace JSXInternal {
interface HTMLAttributes<T = {}> { }
interface SVGAttributes<T = {}> { }
type LibraryManagedAttributes<Component, Props> = Component extends {
defaultProps: infer Defaults;
}
? Defaultize<Props, Defaults>
: Props;
interface IntrinsicAttributes {
key?: any;
}
interface Element extends VNode<any> { }
interface ElementClass extends Component<any, any> { }
interface ElementAttributesProperty {
props: any;
}
interface ElementChildrenAttribute {
children: any;
}
interface IntrinsicElements {
div: HTMLAttributes;
}
}
export const Fragment: unique symbol;
export type ComponentType<T = {}> = {};
export type ComponentChild = {};
export type ComponentChildren = {};
export type VNode<T = {}> = {};
export type Attributes = {};
export type Component<T = {}, U = {}> = {};
// @filename: /node_modules/preact/jsx-runtime/index.d.ts
export { Fragment } from '..';
import {
ComponentType,
ComponentChild,
ComponentChildren,
VNode,
Attributes
} from '..';
import { JSXInternal } from '..';
export function jsx(
type: string,
props: JSXInternal.HTMLAttributes &
JSXInternal.SVGAttributes &
Record<string, any> & { children?: ComponentChild },
key?: string
): VNode<any>;
export function jsx<P>(
type: ComponentType<P>,
props: Attributes & P & { children?: ComponentChild },
key?: string
): VNode<any>;
export function jsxs(
type: string,
props: JSXInternal.HTMLAttributes &
JSXInternal.SVGAttributes &
Record<string, any> & { children?: ComponentChild[] },
key?: string
): VNode<any>;
export function jsxs<P>(
type: ComponentType<P>,
props: Attributes & P & { children?: ComponentChild[] },
key?: string
): VNode<any>;
export function jsxDEV(
type: string,
props: JSXInternal.HTMLAttributes &
JSXInternal.SVGAttributes &
Record<string, any> & { children?: ComponentChildren },
key?: string
): VNode<any>;
export function jsxDEV<P>(
type: ComponentType<P>,
props: Attributes & P & { children?: ComponentChildren },
key?: string
): VNode<any>;
declare global {
// @ts-ignore
export import JSX = NotFound;
}
// @filename: /index.tsx
export const Comp = () => <div></div>;