62 lines
1.7 KiB
TypeScript
62 lines
1.7 KiB
TypeScript
//// [classSideInheritance3.ts]
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class A {
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constructor(public x: string) {
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}
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}
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class B extends A {
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constructor(x: string, public data: string) {
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super(x);
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}
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}
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class C extends A {
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constructor(x: string) {
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super(x);
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}
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}
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var r1: typeof A = B; // error
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var r2: new (x: string) => A = B; // error
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var r3: typeof A = C; // ok
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//// [classSideInheritance3.js]
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var __extends = (this && this.__extends) || (function () {
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var extendStatics = function (d, b) {
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extendStatics = Object.setPrototypeOf ||
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({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
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function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
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return extendStatics(d, b);
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};
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return function (d, b) {
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if (typeof b !== "function" && b !== null)
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throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
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extendStatics(d, b);
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function __() { this.constructor = d; }
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d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
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};
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})();
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var A = /** @class */ (function () {
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function A(x) {
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this.x = x;
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}
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return A;
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}());
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var B = /** @class */ (function (_super) {
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__extends(B, _super);
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function B(x, data) {
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var _this = _super.call(this, x) || this;
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_this.data = data;
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return _this;
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}
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return B;
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}(A));
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var C = /** @class */ (function (_super) {
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__extends(C, _super);
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function C(x) {
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return _super.call(this, x) || this;
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}
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return C;
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}(A));
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var r1 = B; // error
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var r2 = B; // error
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var r3 = C; // ok
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