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//// [typeGuardOfFormTypeOfString.ts]
class C { private p: string };
var str: string;
var bool: boolean;
var num: number;
var strOrNum: string | number;
var strOrBool: string | boolean;
var numOrBool: number | boolean
var strOrNumOrBool: string | number | boolean;
var strOrC: string | C;
var numOrC: number | C;
var boolOrC: boolean | C;
var c: C;
// A type guard of the form typeof x === s,
// where s is a string literal with the value 'string', 'number', or 'boolean',
// - when true, narrows the type of x to the given primitive type, or
// - when false, removes the primitive type from the type of x.
if (typeof strOrNum === "string") {
str = strOrNum; // string
}
else {
num === strOrNum; // number
}
if (typeof strOrBool === "string") {
str = strOrBool; // string
}
else {
bool = strOrBool; // boolean
}
if (typeof strOrNumOrBool === "string") {
str = strOrNumOrBool; // string
}
else {
numOrBool = strOrNumOrBool; // number | boolean
}
if (typeof strOrC === "string") {
str = strOrC; // string
}
else {
c = strOrC; // C
}
if (typeof numOrBool === "string") {
let x1: {} = numOrBool; // {}
}
else {
let x2: number | boolean = numOrBool; // number | boolean
}
// A type guard of the form typeof x !== s, where s is a string literal,
// - when true, narrows the type of x by typeof x === s when false, or
// - when false, narrows the type of x by typeof x === s when true.
if (typeof strOrNum !== "string") {
num === strOrNum; // number
}
else {
str = strOrNum; // string
}
if (typeof strOrBool !== "string") {
bool = strOrBool; // boolean
}
else {
str = strOrBool; // string
}
if (typeof strOrNumOrBool !== "string") {
numOrBool = strOrNumOrBool; // number | boolean
}
else {
str = strOrNumOrBool; // string
}
if (typeof strOrC !== "string") {
c = strOrC; // C
}
else {
str = strOrC; // string
}
if (typeof numOrBool !== "string") {
let x1: number | boolean = numOrBool; // number | boolean
}
else {
let x2: {} = numOrBool; // {}
}
//// [typeGuardOfFormTypeOfString.js]
var C = /** @class */ (function () {
function C() {
}
return C;
}());
;
var str;
var bool;
var num;
var strOrNum;
var strOrBool;
var numOrBool;
var strOrNumOrBool;
var strOrC;
var numOrC;
var boolOrC;
var c;
// A type guard of the form typeof x === s,
// where s is a string literal with the value 'string', 'number', or 'boolean',
// - when true, narrows the type of x to the given primitive type, or
// - when false, removes the primitive type from the type of x.
if (typeof strOrNum === "string") {
str = strOrNum; // string
}
else {
num === strOrNum; // number
}
if (typeof strOrBool === "string") {
str = strOrBool; // string
}
else {
bool = strOrBool; // boolean
}
if (typeof strOrNumOrBool === "string") {
str = strOrNumOrBool; // string
}
else {
numOrBool = strOrNumOrBool; // number | boolean
}
if (typeof strOrC === "string") {
str = strOrC; // string
}
else {
c = strOrC; // C
}
if (typeof numOrBool === "string") {
var x1 = numOrBool; // {}
}
else {
var x2 = numOrBool; // number | boolean
}
// A type guard of the form typeof x !== s, where s is a string literal,
// - when true, narrows the type of x by typeof x === s when false, or
// - when false, narrows the type of x by typeof x === s when true.
if (typeof strOrNum !== "string") {
num === strOrNum; // number
}
else {
str = strOrNum; // string
}
if (typeof strOrBool !== "string") {
bool = strOrBool; // boolean
}
else {
str = strOrBool; // string
}
if (typeof strOrNumOrBool !== "string") {
numOrBool = strOrNumOrBool; // number | boolean
}
else {
str = strOrNumOrBool; // string
}
if (typeof strOrC !== "string") {
c = strOrC; // C
}
else {
str = strOrC; // string
}
if (typeof numOrBool !== "string") {
var x1 = numOrBool; // number | boolean
}
else {
var x2 = numOrBool; // {}
}
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