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//// [narrowingOfDottedNames.ts]
// Repro from #8383
class A {
prop!: { a: string; };
}
class B {
prop!: { b: string; }
}
function isA(x: any): x is A {
return x instanceof A;
}
function isB(x: any): x is B {
return x instanceof B;
}
function f1(x: A | B) {
while (true) {
if (x instanceof A) {
x.prop.a;
}
else if (x instanceof B) {
x.prop.b;
}
}
}
function f2(x: A | B) {
while (true) {
if (isA(x)) {
x.prop.a;
}
else if (isB(x)) {
x.prop.b;
}
}
}
// Repro from #28100
class Foo1
{
x: number; // Error
constructor() {
if (this instanceof Boolean) {
}
}
}
class Foo2
{
x: number; // Error
constructor() {
}
}
// Repro from #29513
class AInfo {
a_count: number = 1;
}
class BInfo {
b_count: number = 1;
}
class Base {
id: number = 0;
}
class A2 extends Base {
info!: AInfo;
}
class B2 extends Base {
info!: BInfo;
}
let target: Base = null as any;
while (target) {
if (target instanceof A2) {
target.info.a_count = 3;
}
else if (target instanceof B2) {
const j: BInfo = target.info;
}
}
//// [narrowingOfDottedNames.js]
"use strict";
// Repro from #8383
var __extends = (this && this.__extends) || (function () {
var extendStatics = function (d, b) {
extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
return extendStatics(d, b);
};
return function (d, b) {
if (typeof b !== "function" && b !== null)
throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
var A = /** @class */ (function () {
function A() {
}
return A;
}());
var B = /** @class */ (function () {
function B() {
}
return B;
}());
function isA(x) {
return x instanceof A;
}
function isB(x) {
return x instanceof B;
}
function f1(x) {
while (true) {
if (x instanceof A) {
x.prop.a;
}
else if (x instanceof B) {
x.prop.b;
}
}
}
function f2(x) {
while (true) {
if (isA(x)) {
x.prop.a;
}
else if (isB(x)) {
x.prop.b;
}
}
}
// Repro from #28100
var Foo1 = /** @class */ (function () {
function Foo1() {
if (this instanceof Boolean) {
}
}
return Foo1;
}());
var Foo2 = /** @class */ (function () {
function Foo2() {
}
return Foo2;
}());
// Repro from #29513
var AInfo = /** @class */ (function () {
function AInfo() {
this.a_count = 1;
}
return AInfo;
}());
var BInfo = /** @class */ (function () {
function BInfo() {
this.b_count = 1;
}
return BInfo;
}());
var Base = /** @class */ (function () {
function Base() {
this.id = 0;
}
return Base;
}());
var A2 = /** @class */ (function (_super) {
__extends(A2, _super);
function A2() {
return _super !== null && _super.apply(this, arguments) || this;
}
return A2;
}(Base));
var B2 = /** @class */ (function (_super) {
__extends(B2, _super);
function B2() {
return _super !== null && _super.apply(this, arguments) || this;
}
return B2;
}(Base));
var target = null;
while (target) {
if (target instanceof A2) {
target.info.a_count = 3;
}
else if (target instanceof B2) {
var j = target.info;
}
}
|
