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//// [typeGuardsInProperties.ts]
// Note that type guards affect types of variables and parameters only and
// have no effect on members of objects such as properties.
var num: number;
var strOrNum: string | number;
class C1 {
private pp1: string | number;
pp2: string | number;
// Inside public accessor getter
get pp3() {
return strOrNum;
}
method() {
strOrNum = typeof this.pp1 === "string" && this.pp1; // string | number
strOrNum = typeof this.pp2 === "string" && this.pp2; // string | number
strOrNum = typeof this.pp3 === "string" && this.pp3; // string | number
}
}
var c1: C1;
strOrNum = typeof c1.pp2 === "string" && c1.pp2; // string | number
strOrNum = typeof c1.pp3 === "string" && c1.pp3; // string | number
var obj1: {
x: string | number;
};
strOrNum = typeof obj1.x === "string" && obj1.x; // string | number
//// [typeGuardsInProperties.js]
// Note that type guards affect types of variables and parameters only and
// have no effect on members of objects such as properties.
var num;
var strOrNum;
var C1 = (function () {
function C1() {
}
Object.defineProperty(C1.prototype, "pp3", {
// Inside public accessor getter
get: function () {
return strOrNum;
},
enumerable: true,
configurable: true
});
C1.prototype.method = function () {
strOrNum = typeof this.pp1 === "string" && this.pp1; // string | number
strOrNum = typeof this.pp2 === "string" && this.pp2; // string | number
strOrNum = typeof this.pp3 === "string" && this.pp3; // string | number
};
return C1;
}());
var c1;
strOrNum = typeof c1.pp2 === "string" && c1.pp2; // string | number
strOrNum = typeof c1.pp3 === "string" && c1.pp3; // string | number
var obj1;
strOrNum = typeof obj1.x === "string" && obj1.x; // string | number
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