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=== tests/cases/conformance/expressions/typeGuards/typeGuardsObjectMethods.ts ===
// Note that type guards affect types of variables and parameters only and
// have no effect on members of objects such as properties.
// variables in global
var num: number;
>num : number
var strOrNum: string | number;
>strOrNum : string | number
var var1: string | number;
>var1 : string | number
var obj1 = {
>obj1 : { method(param: string | number): string | number; prop: string | number; }
>{ // Inside method method(param: string | number) { // global vars in function declaration num = typeof var1 === "string" && var1.length; // string // variables in function declaration var var2: string | number; num = typeof var2 === "string" && var2.length; // string // parameters in function declaration num = typeof param === "string" && param.length; // string return strOrNum; }, get prop() { // global vars in function declaration num = typeof var1 === "string" && var1.length; // string // variables in function declaration var var2: string | number; num = typeof var2 === "string" && var2.length; // string return strOrNum; }, set prop(param: string | number) { // global vars in function declaration num = typeof var1 === "string" && var1.length; // string // variables in function declaration var var2: string | number; num = typeof var2 === "string" && var2.length; // string // parameters in function declaration num = typeof param === "string" && param.length; // string }} : { method(param: string | number): string | number; prop: string | number; }
// Inside method
method(param: string | number) {
>method : (param: string | number) => string | number
>param : string | number
// global vars in function declaration
num = typeof var1 === "string" && var1.length; // string
>num = typeof var1 === "string" && var1.length : number
>num : number
>typeof var1 === "string" && var1.length : number
>typeof var1 === "string" : boolean
>typeof var1 : "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function"
>var1 : string | number
>"string" : "string"
>var1.length : number
>var1 : string
>length : number
// variables in function declaration
var var2: string | number;
>var2 : string | number
num = typeof var2 === "string" && var2.length; // string
>num = typeof var2 === "string" && var2.length : number
>num : number
>typeof var2 === "string" && var2.length : number
>typeof var2 === "string" : boolean
>typeof var2 : "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function"
>var2 : string | number
>"string" : "string"
>var2.length : number
>var2 : string
>length : number
// parameters in function declaration
num = typeof param === "string" && param.length; // string
>num = typeof param === "string" && param.length : number
>num : number
>typeof param === "string" && param.length : number
>typeof param === "string" : boolean
>typeof param : "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function"
>param : string | number
>"string" : "string"
>param.length : number
>param : string
>length : number
return strOrNum;
>strOrNum : string | number
},
get prop() {
>prop : string | number
// global vars in function declaration
num = typeof var1 === "string" && var1.length; // string
>num = typeof var1 === "string" && var1.length : number
>num : number
>typeof var1 === "string" && var1.length : number
>typeof var1 === "string" : boolean
>typeof var1 : "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function"
>var1 : string | number
>"string" : "string"
>var1.length : number
>var1 : string
>length : number
// variables in function declaration
var var2: string | number;
>var2 : string | number
num = typeof var2 === "string" && var2.length; // string
>num = typeof var2 === "string" && var2.length : number
>num : number
>typeof var2 === "string" && var2.length : number
>typeof var2 === "string" : boolean
>typeof var2 : "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function"
>var2 : string | number
>"string" : "string"
>var2.length : number
>var2 : string
>length : number
return strOrNum;
>strOrNum : string | number
},
set prop(param: string | number) {
>prop : string | number
>param : string | number
// global vars in function declaration
num = typeof var1 === "string" && var1.length; // string
>num = typeof var1 === "string" && var1.length : number
>num : number
>typeof var1 === "string" && var1.length : number
>typeof var1 === "string" : boolean
>typeof var1 : "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function"
>var1 : string | number
>"string" : "string"
>var1.length : number
>var1 : string
>length : number
// variables in function declaration
var var2: string | number;
>var2 : string | number
num = typeof var2 === "string" && var2.length; // string
>num = typeof var2 === "string" && var2.length : number
>num : number
>typeof var2 === "string" && var2.length : number
>typeof var2 === "string" : boolean
>typeof var2 : "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function"
>var2 : string | number
>"string" : "string"
>var2.length : number
>var2 : string
>length : number
// parameters in function declaration
num = typeof param === "string" && param.length; // string
>num = typeof param === "string" && param.length : number
>num : number
>typeof param === "string" && param.length : number
>typeof param === "string" : boolean
>typeof param : "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function"
>param : string | number
>"string" : "string"
>param.length : number
>param : string
>length : number
}
};
// return expression of the method
strOrNum = typeof obj1.method(strOrNum) === "string" && obj1.method(strOrNum);
>strOrNum = typeof obj1.method(strOrNum) === "string" && obj1.method(strOrNum) : string | number
>strOrNum : string | number
>typeof obj1.method(strOrNum) === "string" && obj1.method(strOrNum) : string | number
>typeof obj1.method(strOrNum) === "string" : boolean
>typeof obj1.method(strOrNum) : "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function"
>obj1.method(strOrNum) : string | number
>obj1.method : (param: string | number) => string | number
>obj1 : { method(param: string | number): string | number; prop: string | number; }
>method : (param: string | number) => string | number
>strOrNum : string | number
>"string" : "string"
>obj1.method(strOrNum) : string | number
>obj1.method : (param: string | number) => string | number
>obj1 : { method(param: string | number): string | number; prop: string | number; }
>method : (param: string | number) => string | number
>strOrNum : string | number
// accessing getter property
strOrNum = typeof obj1.prop === "string" && obj1.prop;
>strOrNum = typeof obj1.prop === "string" && obj1.prop : string
>strOrNum : string | number
>typeof obj1.prop === "string" && obj1.prop : string
>typeof obj1.prop === "string" : boolean
>typeof obj1.prop : "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function"
>obj1.prop : string | number
>obj1 : { method(param: string | number): string | number; prop: string | number; }
>prop : string | number
>"string" : "string"
>obj1.prop : string
>obj1 : { method(param: string | number): string | number; prop: string | number; }
>prop : string
|
