119 lines
2.6 KiB
TypeScript
119 lines
2.6 KiB
TypeScript
//// [classExtendingClassLikeType.ts]
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interface Base<T, U> {
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x: T;
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y: U;
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}
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// Error, no Base constructor function
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class D0 extends Base<string, string> {
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}
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interface BaseConstructor {
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new (x: string, y: string): Base<string, string>;
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new <T>(x: T): Base<T, T>;
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new <T>(x: T, y: T): Base<T, T>;
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new <T, U>(x: T, y: U): Base<T, U>;
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}
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declare function getBase(): BaseConstructor;
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class D1 extends getBase() {
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constructor() {
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super("abc", "def");
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this.x = "x";
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this.y = "y";
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}
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}
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class D2 extends getBase() <number> {
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constructor() {
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super(10);
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super(10, 20);
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this.x = 1;
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this.y = 2;
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}
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}
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class D3 extends getBase() <string, number> {
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constructor() {
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super("abc", 42);
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this.x = "x";
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this.y = 2;
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}
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}
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// Error, no constructors with three type arguments
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class D4 extends getBase() <string, string, string> {
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}
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interface BadBaseConstructor {
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new (x: string): Base<string, string>;
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new (x: number): Base<number, number>;
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}
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declare function getBadBase(): BadBaseConstructor;
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// Error, constructor return types differ
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class D5 extends getBadBase() {
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}
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//// [classExtendingClassLikeType.js]
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var __extends = (this && this.__extends) || function (d, b) {
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for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p];
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function __() { this.constructor = d; }
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__.prototype = b.prototype;
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d.prototype = new __();
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};
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// Error, no Base constructor function
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var D0 = (function (_super) {
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__extends(D0, _super);
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function D0() {
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_super.apply(this, arguments);
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}
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return D0;
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})(Base);
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var D1 = (function (_super) {
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__extends(D1, _super);
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function D1() {
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_super.call(this, "abc", "def");
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this.x = "x";
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this.y = "y";
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}
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return D1;
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})(getBase());
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var D2 = (function (_super) {
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__extends(D2, _super);
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function D2() {
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_super.call(this, 10);
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_super.call(this, 10, 20);
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this.x = 1;
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this.y = 2;
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}
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return D2;
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})(getBase());
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var D3 = (function (_super) {
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__extends(D3, _super);
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function D3() {
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_super.call(this, "abc", 42);
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this.x = "x";
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this.y = 2;
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}
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return D3;
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})(getBase());
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// Error, no constructors with three type arguments
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var D4 = (function (_super) {
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__extends(D4, _super);
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function D4() {
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_super.apply(this, arguments);
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}
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return D4;
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})(getBase());
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// Error, constructor return types differ
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var D5 = (function (_super) {
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__extends(D5, _super);
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function D5() {
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_super.apply(this, arguments);
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}
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return D5;
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})(getBadBase());
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