79 lines
3 KiB
TypeScript
79 lines
3 KiB
TypeScript
//// [conditionalOperatorWithoutIdenticalBCT.ts]
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//Cond ? Expr1 : Expr2, Expr1 and Expr2 have no identical best common type
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class X { propertyX: any; propertyX1: number; propertyX2: string };
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class A extends X { propertyA: number };
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class B extends X { propertyB: string };
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var x: X;
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var a: A;
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var b: B;
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// No errors anymore, uses union types
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true ? a : b;
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var result1 = true ? a : b;
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//Be contextually typed and and bct is not identical, results in errors that union type is not assignable to target
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var result2: A = true ? a : b;
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var result3: B = true ? a : b;
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var result31: A | B = true ? a : b;
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var result4: (t: X) => number = true ? (m) => m.propertyX1 : (n) => n.propertyX2;
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var result5: (t: X) => string = true ? (m) => m.propertyX1 : (n) => n.propertyX2;
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var result6: (t: X) => boolean = true ? (m) => m.propertyX1 : (n) => n.propertyX2;
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var result61: (t: X) => number| string = true ? (m) => m.propertyX1 : (n) => n.propertyX2;
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//// [conditionalOperatorWithoutIdenticalBCT.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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//Cond ? Expr1 : Expr2, Expr1 and Expr2 have no identical best common type
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var X = /** @class */ (function () {
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function X() {
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}
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return X;
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}());
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;
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var A = /** @class */ (function (_super) {
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__extends(A, _super);
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function A() {
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return _super !== null && _super.apply(this, arguments) || this;
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}
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return A;
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}(X));
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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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}(X));
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;
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var x;
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var a;
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var b;
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// No errors anymore, uses union types
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true ? a : b;
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var result1 = true ? a : b;
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//Be contextually typed and and bct is not identical, results in errors that union type is not assignable to target
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var result2 = true ? a : b;
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var result3 = true ? a : b;
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var result31 = true ? a : b;
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var result4 = true ? function (m) { return m.propertyX1; } : function (n) { return n.propertyX2; };
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var result5 = true ? function (m) { return m.propertyX1; } : function (n) { return n.propertyX2; };
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var result6 = true ? function (m) { return m.propertyX1; } : function (n) { return n.propertyX2; };
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var result61 = true ? function (m) { return m.propertyX1; } : function (n) { return n.propertyX2; };
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