fix(48556): never cannot be spread into object, but it can be spread into JSX props by a-tarasyuk · Pull Request #48570 · microsoft/TypeScript
@@ -0,0 +1,34 @@
=== tests/cases/conformance/jsx/a.tsx ===
namespace JSX {
>JSX : Symbol(JSX, Decl(a.tsx, 0, 0))
export interface IntrinsicElements { [key: string]: any } >IntrinsicElements : Symbol(IntrinsicElements, Decl(a.tsx, 0, 15)) >key : Symbol(key, Decl(a.tsx, 1, 42)) }
const a = {} as never; >a : Symbol(a, Decl(a.tsx, 4, 5))
const b = null; >b : Symbol(b, Decl(a.tsx, 5, 5))
const c = undefined; >c : Symbol(c, Decl(a.tsx, 6, 5)) >undefined : Symbol(undefined)
const d = <div { ...a } /> >d : Symbol(d, Decl(a.tsx, 8, 5)) >div : Symbol(JSX.IntrinsicElements, Decl(a.tsx, 0, 15)) >a : Symbol(a, Decl(a.tsx, 4, 5))
const e = <div { ...b } /> >e : Symbol(e, Decl(a.tsx, 9, 5)) >div : Symbol(JSX.IntrinsicElements, Decl(a.tsx, 0, 15)) >b : Symbol(b, Decl(a.tsx, 5, 5))
const f = <div { ...c } /> >f : Symbol(f, Decl(a.tsx, 10, 5)) >div : Symbol(JSX.IntrinsicElements, Decl(a.tsx, 0, 15)) >c : Symbol(c, Decl(a.tsx, 6, 5))
export interface IntrinsicElements { [key: string]: any } >IntrinsicElements : Symbol(IntrinsicElements, Decl(a.tsx, 0, 15)) >key : Symbol(key, Decl(a.tsx, 1, 42)) }
const a = {} as never; >a : Symbol(a, Decl(a.tsx, 4, 5))
const b = null; >b : Symbol(b, Decl(a.tsx, 5, 5))
const c = undefined; >c : Symbol(c, Decl(a.tsx, 6, 5)) >undefined : Symbol(undefined)
const d = <div { ...a } /> >d : Symbol(d, Decl(a.tsx, 8, 5)) >div : Symbol(JSX.IntrinsicElements, Decl(a.tsx, 0, 15)) >a : Symbol(a, Decl(a.tsx, 4, 5))
const e = <div { ...b } /> >e : Symbol(e, Decl(a.tsx, 9, 5)) >div : Symbol(JSX.IntrinsicElements, Decl(a.tsx, 0, 15)) >b : Symbol(b, Decl(a.tsx, 5, 5))
const f = <div { ...c } /> >f : Symbol(f, Decl(a.tsx, 10, 5)) >div : Symbol(JSX.IntrinsicElements, Decl(a.tsx, 0, 15)) >c : Symbol(c, Decl(a.tsx, 6, 5))