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=== tests/cases/compiler/narrowingOfDottedNames.ts ===
// Repro from #8383
class A {
>A : Symbol(A, Decl(narrowingOfDottedNames.ts, 0, 0))
prop!: { a: string; };
>prop : Symbol(A.prop, Decl(narrowingOfDottedNames.ts, 2, 9))
>a : Symbol(a, Decl(narrowingOfDottedNames.ts, 3, 12))
}
class B {
>B : Symbol(B, Decl(narrowingOfDottedNames.ts, 4, 1))
prop!: { b: string; }
>prop : Symbol(B.prop, Decl(narrowingOfDottedNames.ts, 6, 9))
>b : Symbol(b, Decl(narrowingOfDottedNames.ts, 7, 12))
}
function isA(x: any): x is A {
>isA : Symbol(isA, Decl(narrowingOfDottedNames.ts, 8, 1))
>x : Symbol(x, Decl(narrowingOfDottedNames.ts, 10, 13))
>x : Symbol(x, Decl(narrowingOfDottedNames.ts, 10, 13))
>A : Symbol(A, Decl(narrowingOfDottedNames.ts, 0, 0))
return x instanceof A;
>x : Symbol(x, Decl(narrowingOfDottedNames.ts, 10, 13))
>A : Symbol(A, Decl(narrowingOfDottedNames.ts, 0, 0))
}
function isB(x: any): x is B {
>isB : Symbol(isB, Decl(narrowingOfDottedNames.ts, 12, 1))
>x : Symbol(x, Decl(narrowingOfDottedNames.ts, 14, 13))
>x : Symbol(x, Decl(narrowingOfDottedNames.ts, 14, 13))
>B : Symbol(B, Decl(narrowingOfDottedNames.ts, 4, 1))
return x instanceof B;
>x : Symbol(x, Decl(narrowingOfDottedNames.ts, 14, 13))
>B : Symbol(B, Decl(narrowingOfDottedNames.ts, 4, 1))
}
function f1(x: A | B) {
>f1 : Symbol(f1, Decl(narrowingOfDottedNames.ts, 16, 1))
>x : Symbol(x, Decl(narrowingOfDottedNames.ts, 18, 12))
>A : Symbol(A, Decl(narrowingOfDottedNames.ts, 0, 0))
>B : Symbol(B, Decl(narrowingOfDottedNames.ts, 4, 1))
while (true) {
if (x instanceof A) {
>x : Symbol(x, Decl(narrowingOfDottedNames.ts, 18, 12))
>A : Symbol(A, Decl(narrowingOfDottedNames.ts, 0, 0))
x.prop.a;
>x.prop.a : Symbol(a, Decl(narrowingOfDottedNames.ts, 3, 12))
>x.prop : Symbol(A.prop, Decl(narrowingOfDottedNames.ts, 2, 9))
>x : Symbol(x, Decl(narrowingOfDottedNames.ts, 18, 12))
>prop : Symbol(A.prop, Decl(narrowingOfDottedNames.ts, 2, 9))
>a : Symbol(a, Decl(narrowingOfDottedNames.ts, 3, 12))
}
else if (x instanceof B) {
>x : Symbol(x, Decl(narrowingOfDottedNames.ts, 18, 12))
>B : Symbol(B, Decl(narrowingOfDottedNames.ts, 4, 1))
x.prop.b;
>x.prop.b : Symbol(b, Decl(narrowingOfDottedNames.ts, 7, 12))
>x.prop : Symbol(B.prop, Decl(narrowingOfDottedNames.ts, 6, 9))
>x : Symbol(x, Decl(narrowingOfDottedNames.ts, 18, 12))
>prop : Symbol(B.prop, Decl(narrowingOfDottedNames.ts, 6, 9))
>b : Symbol(b, Decl(narrowingOfDottedNames.ts, 7, 12))
}
}
}
function f2(x: A | B) {
>f2 : Symbol(f2, Decl(narrowingOfDottedNames.ts, 27, 1))
>x : Symbol(x, Decl(narrowingOfDottedNames.ts, 29, 12))
>A : Symbol(A, Decl(narrowingOfDottedNames.ts, 0, 0))
>B : Symbol(B, Decl(narrowingOfDottedNames.ts, 4, 1))
while (true) {
if (isA(x)) {
>isA : Symbol(isA, Decl(narrowingOfDottedNames.ts, 8, 1))
>x : Symbol(x, Decl(narrowingOfDottedNames.ts, 29, 12))
x.prop.a;
>x.prop.a : Symbol(a, Decl(narrowingOfDottedNames.ts, 3, 12))
>x.prop : Symbol(A.prop, Decl(narrowingOfDottedNames.ts, 2, 9))
>x : Symbol(x, Decl(narrowingOfDottedNames.ts, 29, 12))
>prop : Symbol(A.prop, Decl(narrowingOfDottedNames.ts, 2, 9))
>a : Symbol(a, Decl(narrowingOfDottedNames.ts, 3, 12))
}
else if (isB(x)) {
>isB : Symbol(isB, Decl(narrowingOfDottedNames.ts, 12, 1))
>x : Symbol(x, Decl(narrowingOfDottedNames.ts, 29, 12))
x.prop.b;
>x.prop.b : Symbol(b, Decl(narrowingOfDottedNames.ts, 7, 12))
>x.prop : Symbol(B.prop, Decl(narrowingOfDottedNames.ts, 6, 9))
>x : Symbol(x, Decl(narrowingOfDottedNames.ts, 29, 12))
>prop : Symbol(B.prop, Decl(narrowingOfDottedNames.ts, 6, 9))
>b : Symbol(b, Decl(narrowingOfDottedNames.ts, 7, 12))
}
}
}
// Repro from #28100
class Foo1
>Foo1 : Symbol(Foo1, Decl(narrowingOfDottedNames.ts, 38, 1))
{
x: number; // Error
>x : Symbol(Foo1.x, Decl(narrowingOfDottedNames.ts, 43, 1))
constructor() {
if (this instanceof Boolean) {
>this : Symbol(Foo1, Decl(narrowingOfDottedNames.ts, 38, 1))
>Boolean : Symbol(Boolean, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --))
}
}
}
class Foo2
>Foo2 : Symbol(Foo2, Decl(narrowingOfDottedNames.ts, 49, 1))
{
x: number; // Error
>x : Symbol(Foo2.x, Decl(narrowingOfDottedNames.ts, 52, 1))
constructor() {
}
}
// Repro from #29513
class AInfo {
>AInfo : Symbol(AInfo, Decl(narrowingOfDottedNames.ts, 56, 1))
a_count: number = 1;
>a_count : Symbol(AInfo.a_count, Decl(narrowingOfDottedNames.ts, 60, 13))
}
class BInfo {
>BInfo : Symbol(BInfo, Decl(narrowingOfDottedNames.ts, 62, 1))
b_count: number = 1;
>b_count : Symbol(BInfo.b_count, Decl(narrowingOfDottedNames.ts, 64, 13))
}
class Base {
>Base : Symbol(Base, Decl(narrowingOfDottedNames.ts, 66, 1))
id: number = 0;
>id : Symbol(Base.id, Decl(narrowingOfDottedNames.ts, 68, 12))
}
class A2 extends Base {
>A2 : Symbol(A2, Decl(narrowingOfDottedNames.ts, 70, 1))
>Base : Symbol(Base, Decl(narrowingOfDottedNames.ts, 66, 1))
info!: AInfo;
>info : Symbol(A2.info, Decl(narrowingOfDottedNames.ts, 72, 23))
>AInfo : Symbol(AInfo, Decl(narrowingOfDottedNames.ts, 56, 1))
}
class B2 extends Base {
>B2 : Symbol(B2, Decl(narrowingOfDottedNames.ts, 74, 1))
>Base : Symbol(Base, Decl(narrowingOfDottedNames.ts, 66, 1))
info!: BInfo;
>info : Symbol(B2.info, Decl(narrowingOfDottedNames.ts, 76, 23))
>BInfo : Symbol(BInfo, Decl(narrowingOfDottedNames.ts, 62, 1))
}
let target: Base = null as any;
>target : Symbol(target, Decl(narrowingOfDottedNames.ts, 80, 3))
>Base : Symbol(Base, Decl(narrowingOfDottedNames.ts, 66, 1))
while (target) {
>target : Symbol(target, Decl(narrowingOfDottedNames.ts, 80, 3))
if (target instanceof A2) {
>target : Symbol(target, Decl(narrowingOfDottedNames.ts, 80, 3))
>A2 : Symbol(A2, Decl(narrowingOfDottedNames.ts, 70, 1))
target.info.a_count = 3;
>target.info.a_count : Symbol(AInfo.a_count, Decl(narrowingOfDottedNames.ts, 60, 13))
>target.info : Symbol(A2.info, Decl(narrowingOfDottedNames.ts, 72, 23))
>target : Symbol(target, Decl(narrowingOfDottedNames.ts, 80, 3))
>info : Symbol(A2.info, Decl(narrowingOfDottedNames.ts, 72, 23))
>a_count : Symbol(AInfo.a_count, Decl(narrowingOfDottedNames.ts, 60, 13))
}
else if (target instanceof B2) {
>target : Symbol(target, Decl(narrowingOfDottedNames.ts, 80, 3))
>B2 : Symbol(B2, Decl(narrowingOfDottedNames.ts, 74, 1))
const j: BInfo = target.info;
>j : Symbol(j, Decl(narrowingOfDottedNames.ts, 87, 13))
>BInfo : Symbol(BInfo, Decl(narrowingOfDottedNames.ts, 62, 1))
>target.info : Symbol(B2.info, Decl(narrowingOfDottedNames.ts, 76, 23))
>target : Symbol(target, Decl(narrowingOfDottedNames.ts, 80, 3))
>info : Symbol(B2.info, Decl(narrowingOfDottedNames.ts, 76, 23))
}
}
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