47 lines
1.7 KiB
Plaintext
47 lines
1.7 KiB
Plaintext
=== tests/cases/conformance/expressions/typeGuards/typeGuardsInExternalModule.ts ===
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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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// local variable in external module
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var num: number;
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>num : Symbol(num, Decl(typeGuardsInExternalModule.ts, 4, 3))
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var var1: string | number;
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>var1 : Symbol(var1, Decl(typeGuardsInExternalModule.ts, 5, 3))
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if (typeof var1 === "string") {
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>var1 : Symbol(var1, Decl(typeGuardsInExternalModule.ts, 5, 3))
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num = var1.length; // string
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>num : Symbol(num, Decl(typeGuardsInExternalModule.ts, 4, 3))
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>var1.length : Symbol(String.length, Decl(lib.d.ts, 414, 19))
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>var1 : Symbol(var1, Decl(typeGuardsInExternalModule.ts, 5, 3))
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>length : Symbol(String.length, Decl(lib.d.ts, 414, 19))
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}
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else {
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num = var1; // number
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>num : Symbol(num, Decl(typeGuardsInExternalModule.ts, 4, 3))
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>var1 : Symbol(var1, Decl(typeGuardsInExternalModule.ts, 5, 3))
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}
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// exported variable in external module
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var strOrNum: string | number;
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>strOrNum : Symbol(strOrNum, Decl(typeGuardsInExternalModule.ts, 14, 3))
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export var var2: string | number;
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>var2 : Symbol(var2, Decl(typeGuardsInExternalModule.ts, 15, 10))
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if (typeof var2 === "string") {
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>var2 : Symbol(var2, Decl(typeGuardsInExternalModule.ts, 15, 10))
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// export makes the var property and not variable
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strOrNum = var2; // string | number
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>strOrNum : Symbol(strOrNum, Decl(typeGuardsInExternalModule.ts, 14, 3))
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>var2 : Symbol(var2, Decl(typeGuardsInExternalModule.ts, 15, 10))
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}
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else {
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strOrNum = var2; // number | string
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>strOrNum : Symbol(strOrNum, Decl(typeGuardsInExternalModule.ts, 14, 3))
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>var2 : Symbol(var2, Decl(typeGuardsInExternalModule.ts, 15, 10))
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}
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