62 lines
1.4 KiB
TypeScript
62 lines
1.4 KiB
TypeScript
//// [chainedAssignment3.ts]
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class A {
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id: number;
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}
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class B extends A {
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value: string;
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}
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var a: A;
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var b: B;
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a = b = null;
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a = b = new B();
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b = a = new B();
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a.id = b.value = null;
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// error cases
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b = a = new A();
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a = b = new A();
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//// [chainedAssignment3.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() {
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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() {
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return _super !== null && _super.apply(this, arguments) || this;
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}
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return B;
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}(A));
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var a;
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var b;
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a = b = null;
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a = b = new B();
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b = a = new B();
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a.id = b.value = null;
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// error cases
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b = a = new A();
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a = b = new A();
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