56 lines
2.2 KiB
Text
56 lines
2.2 KiB
Text
=== tests/cases/conformance/expressions/typeGuards/typeGuardsInExternalModule.ts ===
|
|
// Note that type guards affect types of variables and parameters only and
|
|
// have no effect on members of objects such as properties.
|
|
|
|
// local variable in external module
|
|
var num: number;
|
|
>num : number, Symbol(num,Decl(typeGuardsInExternalModule.ts,4,3))
|
|
|
|
var var1: string | number;
|
|
>var1 : string | number, Symbol(var1,Decl(typeGuardsInExternalModule.ts,5,3))
|
|
|
|
if (typeof var1 === "string") {
|
|
>typeof var1 === "string" : boolean
|
|
>typeof var1 : string
|
|
>var1 : string | number, Symbol(var1,Decl(typeGuardsInExternalModule.ts,5,3))
|
|
>"string" : string
|
|
|
|
num = var1.length; // string
|
|
>num = var1.length : number
|
|
>num : number, Symbol(num,Decl(typeGuardsInExternalModule.ts,4,3))
|
|
>var1.length : number, Symbol(String.length,Decl(lib.d.ts,414,19))
|
|
>var1 : string, Symbol(var1,Decl(typeGuardsInExternalModule.ts,5,3))
|
|
>length : number, Symbol(String.length,Decl(lib.d.ts,414,19))
|
|
}
|
|
else {
|
|
num = var1; // number
|
|
>num = var1 : number
|
|
>num : number, Symbol(num,Decl(typeGuardsInExternalModule.ts,4,3))
|
|
>var1 : number, Symbol(var1,Decl(typeGuardsInExternalModule.ts,5,3))
|
|
}
|
|
|
|
// exported variable in external module
|
|
var strOrNum: string | number;
|
|
>strOrNum : string | number, Symbol(strOrNum,Decl(typeGuardsInExternalModule.ts,14,3))
|
|
|
|
export var var2: string | number;
|
|
>var2 : string | number, Symbol(var2,Decl(typeGuardsInExternalModule.ts,15,10))
|
|
|
|
if (typeof var2 === "string") {
|
|
>typeof var2 === "string" : boolean
|
|
>typeof var2 : string
|
|
>var2 : string | number, Symbol(var2,Decl(typeGuardsInExternalModule.ts,15,10))
|
|
>"string" : string
|
|
|
|
// export makes the var property and not variable
|
|
strOrNum = var2; // string | number
|
|
>strOrNum = var2 : string | number
|
|
>strOrNum : string | number, Symbol(strOrNum,Decl(typeGuardsInExternalModule.ts,14,3))
|
|
>var2 : string | number, Symbol(var2,Decl(typeGuardsInExternalModule.ts,15,10))
|
|
}
|
|
else {
|
|
strOrNum = var2; // number | string
|
|
>strOrNum = var2 : string | number
|
|
>strOrNum : string | number, Symbol(strOrNum,Decl(typeGuardsInExternalModule.ts,14,3))
|
|
>var2 : string | number, Symbol(var2,Decl(typeGuardsInExternalModule.ts,15,10))
|
|
}
|