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=== tests/cases/conformance/expressions/typeGuards/typeGuardOfFormTypeOfFunction.ts ===
function f1(x: any) {
>f1 : (x: any) => void
>x : any
if (typeof x === "function") {
>typeof x === "function" : boolean
>typeof x : "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function"
>x : any
>"function" : "function"
x; // any
>x : any
}
}
function f2(x: unknown) {
>f2 : (x: unknown) => void
>x : unknown
if (typeof x === "function") {
>typeof x === "function" : boolean
>typeof x : "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function"
>x : unknown
>"function" : "function"
x; // Function
>x : Function
}
}
function f3(x: {}) {
>f3 : (x: {}) => void
>x : {}
if (typeof x === "function") {
>typeof x === "function" : boolean
>typeof x : "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function"
>x : {}
>"function" : "function"
x; // Function
>x : Function
}
}
function f4<T>(x: T) {
>f4 : <T>(x: T) => void
>x : T
if (typeof x === "function") {
>typeof x === "function" : boolean
>typeof x : "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function"
>x : T
>"function" : "function"
x; // T & Function
>x : T & Function
}
}
function f5(x: { s: string }) {
>f5 : (x: { s: string;}) => void
>x : { s: string; }
>s : string
if (typeof x === "function") {
>typeof x === "function" : boolean
>typeof x : "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function"
>x : { s: string; }
>"function" : "function"
x; // never
>x : never
}
}
function f6(x: () => string) {
>f6 : (x: () => string) => void
>x : () => string
if (typeof x === "function") {
>typeof x === "function" : boolean
>typeof x : "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function"
>x : () => string
>"function" : "function"
x; // () => string
>x : () => string
}
}
function f10(x: string | (() => string)) {
>f10 : (x: string | (() => string)) => void
>x : string | (() => string)
if (typeof x === "function") {
>typeof x === "function" : boolean
>typeof x : "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function"
>x : string | (() => string)
>"function" : "function"
x; // () => string
>x : () => string
}
else {
x; // string
>x : string
}
}
function f11(x: { s: string } | (() => string)) {
>f11 : (x: { s: string;} | (() => string)) => void
>x : { s: string; } | (() => string)
>s : string
if (typeof x === "function") {
>typeof x === "function" : boolean
>typeof x : "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function"
>x : { s: string; } | (() => string)
>"function" : "function"
x; // () => string
>x : () => string
}
else {
x; // { s: string }
>x : { s: string; }
}
}
function f12(x: { s: string } | { n: number }) {
>f12 : (x: { s: string;} | { n: number;}) => void
>x : { s: string; } | { n: number; }
>s : string
>n : number
if (typeof x === "function") {
>typeof x === "function" : boolean
>typeof x : "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function"
>x : { s: string; } | { n: number; }
>"function" : "function"
x; // never
>x : never
}
else {
x; // { s: string } | { n: number }
>x : { s: string; } | { n: number; }
}
}
// Repro from #18238
function f100<T, K extends keyof T>(obj: T, keys: K[]) : void {
>f100 : <T, K extends keyof T>(obj: T, keys: K[]) => void
>obj : T
>keys : K[]
for (const k of keys) {
>k : K
>keys : K[]
const item = obj[k];
>item : T[K]
>obj[k] : T[K]
>obj : T
>k : K
if (typeof item == 'function')
>typeof item == 'function' : boolean
>typeof item : "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function"
>item : T[K]
>'function' : "function"
item.call(obj);
>item.call(obj) : any
>item.call : (this: Function, thisArg: any, ...argArray: any[]) => any
>item : T[K] & Function
>call : (this: Function, thisArg: any, ...argArray: any[]) => any
>obj : T
}
}
// Repro from #49316
function configureStore<S extends object>(reducer: (() => void) | Record<keyof S, () => void>) {
>configureStore : <S extends object>(reducer: (() => void) | Record<keyof S, () => void>) => void
>reducer : Record<keyof S, () => void> | (() => void)
let rootReducer: () => void;
>rootReducer : () => void
if (typeof reducer === 'function') {
>typeof reducer === 'function' : boolean
>typeof reducer : "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function"
>reducer : Record<keyof S, () => void> | (() => void)
>'function' : "function"
rootReducer = reducer;
>rootReducer = reducer : () => void
>rootReducer : () => void
>reducer : () => void
}
}
function f101(x: string | Record<string, any>) {
>f101 : (x: string | Record<string, any>) => any
>x : string | Record<string, any>
return typeof x === "object" && x.anything;
>typeof x === "object" && x.anything : any
>typeof x === "object" : boolean
>typeof x : "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function"
>x : string | Record<string, any>
>"object" : "object"
>x.anything : any
>x : Record<string, any>
>anything : any
}
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