2fecc132ab
From spec: Note that type guards affect types of variables and parameters only and have no effect on members of objects such as properties
27 lines
901 B
TypeScript
27 lines
901 B
TypeScript
//@target: es5
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// Note that type guards affect types of variables and parameters only and
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// have no effect on members of objects such as properties.
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var num: number;
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var strOrNum: string | number;
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class C1 {
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private pp1: string | number;
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pp2: string | number;
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// Inside public accessor getter
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get pp3() {
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return strOrNum;
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}
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method() {
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strOrNum = typeof this.pp1 === "string" && this.pp1; // string | number
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strOrNum = typeof this.pp2 === "string" && this.pp2; // string | number
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strOrNum = typeof this.pp3 === "string" && this.pp3; // string | number
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}
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}
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var c1: C1;
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strOrNum = typeof c1.pp2 === "string" && c1.pp2; // string | number
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strOrNum = typeof c1.pp3 === "string" && c1.pp3; // string | number
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var obj1: {
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x: string | number;
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};
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strOrNum = typeof obj1.x === "string" && obj1.x; // string | number
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