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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,47 @@ | ||
| //// [unionWithIndexSignature.ts] | ||
| interface NumList { | ||
| kind: 'n'; | ||
| [x: number]: number; | ||
| } | ||
| interface StrList { | ||
| kind: 's'; | ||
| [x: number]: string; | ||
| } | ||
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|
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| export function foo<T extends NumList | StrList>(arr: T & (NumList | StrList)) { | ||
| let zz = arr[1]; // Error | ||
| } | ||
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| // Repro from #38102 | ||
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| export type TypedArray = Int32Array | Uint8Array; | ||
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| export function isTypedArray(a: {}): a is Int32Array | Uint8Array { | ||
| return a instanceof Int32Array || a instanceof Uint8Array; | ||
| } | ||
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| export function flatten<T extends number|TypedArray>(arr: T) { | ||
| if (isTypedArray(arr)) { | ||
| arr[1]; | ||
| } | ||
| } | ||
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| //// [unionWithIndexSignature.js] | ||
| "use strict"; | ||
| exports.__esModule = true; | ||
| exports.flatten = exports.isTypedArray = exports.foo = void 0; | ||
| function foo(arr) { | ||
| var zz = arr[1]; // Error | ||
| } | ||
| exports.foo = foo; | ||
| function isTypedArray(a) { | ||
| return a instanceof Int32Array || a instanceof Uint8Array; | ||
| } | ||
| exports.isTypedArray = isTypedArray; | ||
| function flatten(arr) { | ||
| if (isTypedArray(arr)) { | ||
| arr[1]; | ||
| } | ||
| } | ||
| exports.flatten = flatten; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,72 @@ | ||
| === tests/cases/compiler/unionWithIndexSignature.ts === | ||
| interface NumList { | ||
| >NumList : Symbol(NumList, Decl(unionWithIndexSignature.ts, 0, 0)) | ||
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| kind: 'n'; | ||
| >kind : Symbol(NumList.kind, Decl(unionWithIndexSignature.ts, 0, 19)) | ||
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| [x: number]: number; | ||
| >x : Symbol(x, Decl(unionWithIndexSignature.ts, 2, 3)) | ||
| } | ||
| interface StrList { | ||
| >StrList : Symbol(StrList, Decl(unionWithIndexSignature.ts, 3, 1)) | ||
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| kind: 's'; | ||
| >kind : Symbol(StrList.kind, Decl(unionWithIndexSignature.ts, 4, 19)) | ||
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| [x: number]: string; | ||
| >x : Symbol(x, Decl(unionWithIndexSignature.ts, 6, 3)) | ||
| } | ||
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| export function foo<T extends NumList | StrList>(arr: T & (NumList | StrList)) { | ||
| >foo : Symbol(foo, Decl(unionWithIndexSignature.ts, 7, 1)) | ||
| >T : Symbol(T, Decl(unionWithIndexSignature.ts, 9, 20)) | ||
| >NumList : Symbol(NumList, Decl(unionWithIndexSignature.ts, 0, 0)) | ||
| >StrList : Symbol(StrList, Decl(unionWithIndexSignature.ts, 3, 1)) | ||
| >arr : Symbol(arr, Decl(unionWithIndexSignature.ts, 9, 49)) | ||
| >T : Symbol(T, Decl(unionWithIndexSignature.ts, 9, 20)) | ||
| >NumList : Symbol(NumList, Decl(unionWithIndexSignature.ts, 0, 0)) | ||
| >StrList : Symbol(StrList, Decl(unionWithIndexSignature.ts, 3, 1)) | ||
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| let zz = arr[1]; // Error | ||
| >zz : Symbol(zz, Decl(unionWithIndexSignature.ts, 10, 5)) | ||
| >arr : Symbol(arr, Decl(unionWithIndexSignature.ts, 9, 49)) | ||
| } | ||
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| // Repro from #38102 | ||
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| export type TypedArray = Int32Array | Uint8Array; | ||
| >TypedArray : Symbol(TypedArray, Decl(unionWithIndexSignature.ts, 11, 1)) | ||
| >Int32Array : Symbol(Int32Array, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --)) | ||
| >Uint8Array : Symbol(Uint8Array, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --)) | ||
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| export function isTypedArray(a: {}): a is Int32Array | Uint8Array { | ||
| >isTypedArray : Symbol(isTypedArray, Decl(unionWithIndexSignature.ts, 15, 49)) | ||
| >a : Symbol(a, Decl(unionWithIndexSignature.ts, 17, 29)) | ||
| >a : Symbol(a, Decl(unionWithIndexSignature.ts, 17, 29)) | ||
| >Int32Array : Symbol(Int32Array, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --)) | ||
| >Uint8Array : Symbol(Uint8Array, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --)) | ||
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| return a instanceof Int32Array || a instanceof Uint8Array; | ||
| >a : Symbol(a, Decl(unionWithIndexSignature.ts, 17, 29)) | ||
| >Int32Array : Symbol(Int32Array, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --)) | ||
| >a : Symbol(a, Decl(unionWithIndexSignature.ts, 17, 29)) | ||
| >Uint8Array : Symbol(Uint8Array, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --)) | ||
| } | ||
|
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| export function flatten<T extends number|TypedArray>(arr: T) { | ||
| >flatten : Symbol(flatten, Decl(unionWithIndexSignature.ts, 19, 1)) | ||
| >T : Symbol(T, Decl(unionWithIndexSignature.ts, 21, 24)) | ||
| >TypedArray : Symbol(TypedArray, Decl(unionWithIndexSignature.ts, 11, 1)) | ||
| >arr : Symbol(arr, Decl(unionWithIndexSignature.ts, 21, 53)) | ||
| >T : Symbol(T, Decl(unionWithIndexSignature.ts, 21, 24)) | ||
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| if (isTypedArray(arr)) { | ||
| >isTypedArray : Symbol(isTypedArray, Decl(unionWithIndexSignature.ts, 15, 49)) | ||
| >arr : Symbol(arr, Decl(unionWithIndexSignature.ts, 21, 53)) | ||
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| arr[1]; | ||
| >arr : Symbol(arr, Decl(unionWithIndexSignature.ts, 21, 53)) | ||
| } | ||
| } | ||
|
|
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,62 @@ | ||
| === tests/cases/compiler/unionWithIndexSignature.ts === | ||
| interface NumList { | ||
| kind: 'n'; | ||
| >kind : "n" | ||
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| [x: number]: number; | ||
| >x : number | ||
| } | ||
| interface StrList { | ||
| kind: 's'; | ||
| >kind : "s" | ||
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| [x: number]: string; | ||
| >x : number | ||
| } | ||
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| export function foo<T extends NumList | StrList>(arr: T & (NumList | StrList)) { | ||
| >foo : <T extends NumList | StrList>(arr: T & (NumList | StrList)) => void | ||
| >arr : (T & NumList) | (T & StrList) | ||
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| let zz = arr[1]; // Error | ||
| >zz : string | number | ||
| >arr[1] : string | number | ||
| >arr : (T & NumList) | (T & StrList) | ||
| >1 : 1 | ||
| } | ||
|
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| // Repro from #38102 | ||
|
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| export type TypedArray = Int32Array | Uint8Array; | ||
| >TypedArray : Int32Array | Uint8Array | ||
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| export function isTypedArray(a: {}): a is Int32Array | Uint8Array { | ||
| >isTypedArray : (a: {}) => a is Int32Array | Uint8Array | ||
| >a : {} | ||
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| return a instanceof Int32Array || a instanceof Uint8Array; | ||
| >a instanceof Int32Array || a instanceof Uint8Array : boolean | ||
| >a instanceof Int32Array : boolean | ||
| >a : {} | ||
| >Int32Array : Int32ArrayConstructor | ||
| >a instanceof Uint8Array : boolean | ||
| >a : {} | ||
| >Uint8Array : Uint8ArrayConstructor | ||
| } | ||
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| export function flatten<T extends number|TypedArray>(arr: T) { | ||
| >flatten : <T extends number | Int32Array | Uint8Array>(arr: T) => void | ||
| >arr : T | ||
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| if (isTypedArray(arr)) { | ||
| >isTypedArray(arr) : boolean | ||
| >isTypedArray : (a: {}) => a is Int32Array | Uint8Array | ||
| >arr : T | ||
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| arr[1]; | ||
| >arr[1] : number | ||
| >arr : (T & Int32Array) | (T & Uint8Array) | ||
| >1 : 1 | ||
| } | ||
| } | ||
|
|
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,28 @@ | ||
| // @strict: true | ||
|
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| interface NumList { | ||
| kind: 'n'; | ||
| [x: number]: number; | ||
| } | ||
| interface StrList { | ||
| kind: 's'; | ||
| [x: number]: string; | ||
| } | ||
|
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| export function foo<T extends NumList | StrList>(arr: T & (NumList | StrList)) { | ||
| let zz = arr[1]; // Error | ||
| } | ||
|
|
||
| // Repro from #38102 | ||
|
|
||
| export type TypedArray = Int32Array | Uint8Array; | ||
|
|
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| export function isTypedArray(a: {}): a is Int32Array | Uint8Array { | ||
| return a instanceof Int32Array || a instanceof Uint8Array; | ||
| } | ||
|
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| export function flatten<T extends number|TypedArray>(arr: T) { | ||
| if (isTypedArray(arr)) { | ||
| arr[1]; | ||
| } | ||
| } |