Fixed a mistake in the narrowingDestructuring test (microsoft#52411)

Author: Andarist

tests/baselines/reference/narrowingDestructuring.js

@@ -34,10 +34,11 @@ function func3<T extends { kind: "a", a: string } | { kind: "b", b: number }>(t:
 
 function farr<T extends [number, string, string] | [string, number, number]>(x: T) {
     const [head, ...tail] = x;
-    if (x[0] === 'number') {
+    if (typeof x[0] === 'number') {
         const [head, ...tail] = x;
     }
-}
+}
+
 
 //// [narrowingDestructuring.js]
 var __rest = (this && this.__rest) || function (s, e) {
@@ -83,7 +84,7 @@ function func3(t) {
 }
 function farr(x) {
     var head = x[0], tail = x.slice(1);
-    if (x[0] === 'number') {
+    if (typeof x[0] === 'number') {
         var head_1 = x[0], tail_1 = x.slice(1);
     }
 }

tests/baselines/reference/narrowingDestructuring.symbols

@@ -136,7 +136,7 @@ function farr<T extends [number, string, string] | [string, number, number]>(x:
 >tail : Symbol(tail, Decl(narrowingDestructuring.ts, 34, 16))
 >x : Symbol(x, Decl(narrowingDestructuring.ts, 33, 77))
 
-    if (x[0] === 'number') {
+    if (typeof x[0] === 'number') {
 >x : Symbol(x, Decl(narrowingDestructuring.ts, 33, 77))
 >0 : Symbol(0)
 
@@ -146,3 +146,4 @@ function farr<T extends [number, string, string] | [string, number, number]>(x:
 >x : Symbol(x, Decl(narrowingDestructuring.ts, 33, 77))
     }
 }
+

tests/baselines/reference/narrowingDestructuring.types

@@ -135,16 +135,18 @@ function farr<T extends [number, string, string] | [string, number, number]>(x:
 >tail : [string, string] | [number, number]
 >x : [number, string, string] | [string, number, number]
 
-    if (x[0] === 'number') {
->x[0] === 'number' : boolean
+    if (typeof x[0] === 'number') {
+>typeof x[0] === 'number' : boolean
+>typeof x[0] : "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function"
 >x[0] : string | number
 >x : [number, string, string] | [string, number, number]
 >0 : 0
 >'number' : "number"
 
         const [head, ...tail] = x;
->head : "number"
+>head : number
 >tail : [string, string] | [number, number]
 >x : [number, string, string] | [string, number, number]
     }
 }
+

tests/cases/compiler/narrowingDestructuring.ts

@@ -33,7 +33,7 @@ function func3<T extends { kind: "a", a: string } | { kind: "b", b: number }>(t:
 
 function farr<T extends [number, string, string] | [string, number, number]>(x: T) {
     const [head, ...tail] = x;
-    if (x[0] === 'number') {
+    if (typeof x[0] === 'number') {
         const [head, ...tail] = x;
     }
-}
+}