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//// [derivedUninitializedPropertyDeclaration.ts]
class A {
property = 'x';
m() { return 1 }
}
class B extends A {
property: any; // error
}
class BD extends A {
declare property: any; // ok because it's implicitly initialised
}
class BDBang extends A {
declare property!: any; // ! is not allowed, this is an ambient declaration
}
class BOther extends A {
declare m() { return 2 } // not allowed on methods
declare nonce: any; // ok, even though it's not in the base
declare property = 'y' // initialiser not allowed with declare
}
class U {
declare nonce: any; // ok, even though there's no base
}
class C {
p: string;
}
class D extends C {
p: 'hi'; // error
}
class DD extends C {
declare p: 'bye'; // ok
}
declare class E {
p1: string
p2: string
}
class F extends E {
p1!: 'z'
declare p2: 'alpha'
}
class G extends E {
p1: 'z'
constructor() {
super()
this.p1 = 'z'
}
}
abstract class H extends E {
abstract p1: 'a' | 'b' | 'c'
declare abstract p2: 'a' | 'b' | 'c'
}
interface I {
q: number
}
interface J extends I { }
class J {
r = 5
}
class K extends J {
q!: 1 | 2 | 3 // ok, extends a property from an interface
r!: 4 | 5 // error, from class
}
// #35327
class L {
a: any;
constructor(arg: any) {
this.a = arg;
}
}
class M extends L {
declare a: number;
constructor(arg: number) {
super(arg);
console.log(this.a); // should be OK, M.a is ambient
}
}
//// [derivedUninitializedPropertyDeclaration.js]
"use strict";
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() {
this.property = 'x';
}
A.prototype.m = function () { return 1; };
return A;
}());
var B = /** @class */ (function (_super) {
__extends(B, _super);
function B() {
return _super !== null && _super.apply(this, arguments) || this;
}
return B;
}(A));
var BD = /** @class */ (function (_super) {
__extends(BD, _super);
function BD() {
return _super !== null && _super.apply(this, arguments) || this;
}
return BD;
}(A));
var BDBang = /** @class */ (function (_super) {
__extends(BDBang, _super);
function BDBang() {
return _super !== null && _super.apply(this, arguments) || this;
}
return BDBang;
}(A));
var BOther = /** @class */ (function (_super) {
__extends(BOther, _super);
function BOther() {
return _super !== null && _super.apply(this, arguments) || this;
}
BOther.prototype.m = function () { return 2; }; // not allowed on methods
return BOther;
}(A));
var U = /** @class */ (function () {
function U() {
}
return U;
}());
var C = /** @class */ (function () {
function C() {
}
return C;
}());
var D = /** @class */ (function (_super) {
__extends(D, _super);
function D() {
return _super !== null && _super.apply(this, arguments) || this;
}
return D;
}(C));
var DD = /** @class */ (function (_super) {
__extends(DD, _super);
function DD() {
return _super !== null && _super.apply(this, arguments) || this;
}
return DD;
}(C));
var F = /** @class */ (function (_super) {
__extends(F, _super);
function F() {
return _super !== null && _super.apply(this, arguments) || this;
}
return F;
}(E));
var G = /** @class */ (function (_super) {
__extends(G, _super);
function G() {
var _this = _super.call(this) || this;
_this.p1 = 'z';
return _this;
}
return G;
}(E));
var H = /** @class */ (function (_super) {
__extends(H, _super);
function H() {
return _super !== null && _super.apply(this, arguments) || this;
}
return H;
}(E));
var J = /** @class */ (function () {
function J() {
this.r = 5;
}
return J;
}());
var K = /** @class */ (function (_super) {
__extends(K, _super);
function K() {
return _super !== null && _super.apply(this, arguments) || this;
}
return K;
}(J));
// #35327
var L = /** @class */ (function () {
function L(arg) {
this.a = arg;
}
return L;
}());
var M = /** @class */ (function (_super) {
__extends(M, _super);
function M(arg) {
var _this = _super.call(this, arg) || this;
console.log(_this.a); // should be OK, M.a is ambient
return _this;
}
return M;
}(L));
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