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//// [typeGuardsNestedAssignments.ts]
class Foo {
x: string;
}
declare function getFooOrNull(): Foo | null;
declare function getStringOrNumberOrNull(): string | number | null;
function f1() {
let foo: Foo | null;
if ((foo = getFooOrNull()) !== null) {
foo; // Foo
}
}
function f2() {
let foo1: Foo | null;
let foo2: Foo | null;
if ((foo1 = getFooOrNull(), foo2 = foo1) !== null) {
foo1; // Foo | null
foo2; // Foo
}
}
function f3() {
let obj: Object | null;
if ((obj = getFooOrNull()) instanceof Foo) {
obj;
}
}
function f4() {
let x: string | number | null;
if (typeof (x = getStringOrNumberOrNull()) === "number") {
x;
}
}
// Repro from #8851
const re = /./g
let match: RegExpExecArray | null
while ((match = re.exec("xxx")) != null) {
const length = match[1].length + match[2].length
}
//// [typeGuardsNestedAssignments.js]
var Foo = /** @class */ (function () {
function Foo() {
}
return Foo;
}());
function f1() {
var foo;
if ((foo = getFooOrNull()) !== null) {
foo; // Foo
}
}
function f2() {
var foo1;
var foo2;
if ((foo1 = getFooOrNull(), foo2 = foo1) !== null) {
foo1; // Foo | null
foo2; // Foo
}
}
function f3() {
var obj;
if ((obj = getFooOrNull()) instanceof Foo) {
obj;
}
}
function f4() {
var x;
if (typeof (x = getStringOrNumberOrNull()) === "number") {
x;
}
}
// Repro from #8851
var re = /./g;
var match;
while ((match = re.exec("xxx")) != null) {
var length_1 = match[1].length + match[2].length;
}
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