Change default target from ES5 to ESNext

src/compiler/commandLineParser.ts

@@ -583,7 +583,7 @@ export const targetOptionDeclaration: CommandLineOptionOfCustomType = {
     showInSimplifiedHelpView: true,
     category: Diagnostics.Language_and_Environment,
     description: Diagnostics.Set_the_JavaScript_language_version_for_emitted_JavaScript_and_include_compatible_library_declarations,
-    defaultValueDescription: ScriptTarget.ES5,
+    defaultValueDescription: ScriptTarget.ESNext,
 };
 
 /** @internal */

src/compiler/utilities.ts

@@ -8989,7 +8989,7 @@ const _computedOptions = createComputedCompilerOptions({
                     (compilerOptions.module === ModuleKind.Node18 && ScriptTarget.ES2022) ||
                     (compilerOptions.module === ModuleKind.Node20 && ScriptTarget.ES2023) ||
                     (compilerOptions.module === ModuleKind.NodeNext && ScriptTarget.ESNext) ||
-                    ScriptTarget.ES5);
+                    ScriptTarget.ESNext);
         },
     },
     module: {

tests/baselines/reference/AmbientModuleAndNonAmbientClassWithSameNameAndCommonRoot.js

@@ -25,13 +25,14 @@ var p = new A.Point(0, 0); // unexpected error here, bug 840000
 //// [classPoint.js]
 var A;
 (function (A) {
-    var Point = /** @class */ (function () {
-        function Point(x, y) {
+    class Point {
+        x;
+        y;
+        constructor(x, y) {
             this.x = x;
             this.y = y;
         }
-        return Point;
-    }());
+    }
     A.Point = Point;
 })(A || (A = {}));
 //// [test.js]

tests/baselines/reference/ClassAndModuleThatMergeWithModuleMemberThatUsesClassTypeParameter.js

@@ -53,44 +53,37 @@ module clodule4 {
 
 //// [ClassAndModuleThatMergeWithModuleMemberThatUsesClassTypeParameter.js]
 // all expected to be errors
-var clodule1 = /** @class */ (function () {
-    function clodule1() {
-    }
-    return clodule1;
-}());
+class clodule1 {
+    id;
+    value;
+}
 (function (clodule1) {
     function f(x) { }
 })(clodule1 || (clodule1 = {}));
-var clodule2 = /** @class */ (function () {
-    function clodule2() {
-    }
-    return clodule2;
-}());
+class clodule2 {
+    id;
+    value;
+}
 (function (clodule2) {
     var x;
-    var D = /** @class */ (function () {
-        function D() {
-        }
-        return D;
-    }());
-})(clodule2 || (clodule2 = {}));
-var clodule3 = /** @class */ (function () {
-    function clodule3() {
+    class D {
+        id;
+        value;
     }
-    return clodule3;
-}());
+})(clodule2 || (clodule2 = {}));
+class clodule3 {
+    id;
+    value;
+}
 (function (clodule3) {
     clodule3.y = { id: T };
 })(clodule3 || (clodule3 = {}));
-var clodule4 = /** @class */ (function () {
-    function clodule4() {
-    }
-    return clodule4;
-}());
+class clodule4 {
+    id;
+    value;
+}
 (function (clodule4) {
-    var D = /** @class */ (function () {
-        function D() {
-        }
-        return D;
-    }());
+    class D {
+        name;
+    }
 })(clodule4 || (clodule4 = {}));

tests/baselines/reference/ClassAndModuleThatMergeWithModulesExportedGenericFunctionAndGenericClassStaticFunctionOfTheSameName.js

@@ -18,12 +18,11 @@ module clodule {
 
 
 //// [ClassAndModuleThatMergeWithModulesExportedGenericFunctionAndGenericClassStaticFunctionOfTheSameName.js]
-var clodule = /** @class */ (function () {
-    function clodule() {
-    }
-    clodule.fn = function (id) { };
-    return clodule;
-}());
+class clodule {
+    id;
+    value;
+    static fn(id) { }
+}
 (function (clodule) {
     // error: duplicate identifier expected
     function fn(x, y) {

tests/baselines/reference/ClassAndModuleThatMergeWithModulesExportedGenericFunctionAndNonGenericClassStaticFunctionOfTheSameName.js

@@ -18,12 +18,11 @@ module clodule {
 
 
 //// [ClassAndModuleThatMergeWithModulesExportedGenericFunctionAndNonGenericClassStaticFunctionOfTheSameName.js]
-var clodule = /** @class */ (function () {
-    function clodule() {
-    }
-    clodule.fn = function (id) { };
-    return clodule;
-}());
+class clodule {
+    id;
+    value;
+    static fn(id) { }
+}
 (function (clodule) {
     // error: duplicate identifier expected
     function fn(x, y) {

tests/baselines/reference/ClassAndModuleThatMergeWithModulesExportedStaticFunctionUsingClassPrivateStatics.js

@@ -18,12 +18,11 @@ module clodule {
 
 
 //// [ClassAndModuleThatMergeWithModulesExportedStaticFunctionUsingClassPrivateStatics.js]
-var clodule = /** @class */ (function () {
-    function clodule() {
-    }
-    clodule.sfn = function (id) { return 42; };
-    return clodule;
-}());
+class clodule {
+    id;
+    value;
+    static sfn(id) { return 42; }
+}
 (function (clodule) {
     // error: duplicate identifier expected
     function fn(x, y) {

tests/baselines/reference/ClassAndModuleThatMergeWithStaticFunctionAndExportedFunctionThatShareAName.js

@@ -25,28 +25,30 @@ module A {
 }
 
 //// [ClassAndModuleThatMergeWithStaticFunctionAndExportedFunctionThatShareAName.js]
-var Point = /** @class */ (function () {
-    function Point(x, y) {
+class Point {
+    x;
+    y;
+    constructor(x, y) {
         this.x = x;
         this.y = y;
     }
-    Point.Origin = function () { return { x: 0, y: 0 }; }; // unexpected error here bug 840246
-    return Point;
-}());
+    static Origin() { return { x: 0, y: 0 }; } // unexpected error here bug 840246
+}
 (function (Point) {
     function Origin() { return null; } //expected duplicate identifier error
     Point.Origin = Origin;
 })(Point || (Point = {}));
 var A;
 (function (A) {
-    var Point = /** @class */ (function () {
-        function Point(x, y) {
+    class Point {
+        x;
+        y;
+        constructor(x, y) {
             this.x = x;
             this.y = y;
         }
-        Point.Origin = function () { return { x: 0, y: 0 }; }; // unexpected error here bug 840246
-        return Point;
-    }());
+        static Origin() { return { x: 0, y: 0 }; } // unexpected error here bug 840246
+    }
     A.Point = Point;
     (function (Point) {
         function Origin() { return ""; } //expected duplicate identifier error

tests/baselines/reference/ClassAndModuleThatMergeWithStaticFunctionAndNonExportedFunctionThatShareAName.js

@@ -25,27 +25,29 @@ module A {
 }
 
 //// [ClassAndModuleThatMergeWithStaticFunctionAndNonExportedFunctionThatShareAName.js]
-var Point = /** @class */ (function () {
-    function Point(x, y) {
+class Point {
+    x;
+    y;
+    constructor(x, y) {
         this.x = x;
         this.y = y;
     }
-    Point.Origin = function () { return { x: 0, y: 0 }; };
-    return Point;
-}());
+    static Origin() { return { x: 0, y: 0 }; }
+}
 (function (Point) {
     function Origin() { return ""; } // not an error, since not exported
 })(Point || (Point = {}));
 var A;
 (function (A) {
-    var Point = /** @class */ (function () {
-        function Point(x, y) {
+    class Point {
+        x;
+        y;
+        constructor(x, y) {
             this.x = x;
             this.y = y;
         }
-        Point.Origin = function () { return { x: 0, y: 0 }; };
-        return Point;
-    }());
+        static Origin() { return { x: 0, y: 0 }; }
+    }
     A.Point = Point;
     (function (Point) {
         function Origin() { return ""; } // not an error since not exported

tests/baselines/reference/ClassAndModuleThatMergeWithStaticVariableAndExportedVarThatShareAName.js

@@ -25,27 +25,29 @@ module A {
 }
 
 //// [ClassAndModuleThatMergeWithStaticVariableAndExportedVarThatShareAName.js]
-var Point = /** @class */ (function () {
-    function Point(x, y) {
+class Point {
+    x;
+    y;
+    constructor(x, y) {
         this.x = x;
         this.y = y;
     }
-    Point.Origin = { x: 0, y: 0 };
-    return Point;
-}());
+    static Origin = { x: 0, y: 0 };
+}
 (function (Point) {
     Point.Origin = ""; //expected duplicate identifier error
 })(Point || (Point = {}));
 var A;
 (function (A) {
-    var Point = /** @class */ (function () {
-        function Point(x, y) {
+    class Point {
+        x;
+        y;
+        constructor(x, y) {
             this.x = x;
             this.y = y;
         }
-        Point.Origin = { x: 0, y: 0 };
-        return Point;
-    }());
+        static Origin = { x: 0, y: 0 };
+    }
     A.Point = Point;
     (function (Point) {
         Point.Origin = ""; //expected duplicate identifier error

tests/baselines/reference/ClassAndModuleThatMergeWithStaticVariableAndNonExportedVarThatShareAName.js

@@ -25,27 +25,29 @@ module A {
 }
 
 //// [ClassAndModuleThatMergeWithStaticVariableAndNonExportedVarThatShareAName.js]
-var Point = /** @class */ (function () {
-    function Point(x, y) {
+class Point {
+    x;
+    y;
+    constructor(x, y) {
         this.x = x;
         this.y = y;
     }
-    Point.Origin = { x: 0, y: 0 };
-    return Point;
-}());
+    static Origin = { x: 0, y: 0 };
+}
 (function (Point) {
     var Origin = ""; // not an error, since not exported
 })(Point || (Point = {}));
 var A;
 (function (A) {
-    var Point = /** @class */ (function () {
-        function Point(x, y) {
+    class Point {
+        x;
+        y;
+        constructor(x, y) {
             this.x = x;
             this.y = y;
         }
-        Point.Origin = { x: 0, y: 0 };
-        return Point;
-    }());
+        static Origin = { x: 0, y: 0 };
+    }
     A.Point = Point;
     (function (Point) {
         var Origin = ""; // not an error since not exported

tests/baselines/reference/ClassAndModuleWithSameNameAndCommonRoot.js

@@ -45,13 +45,14 @@ var X;
 (function (X) {
     var Y;
     (function (Y) {
-        var Point = /** @class */ (function () {
-            function Point(x, y) {
+        class Point {
+            constructor(x, y) {
                 this.x = x;
                 this.y = y;
             }
-            return Point;
-        }());
+            x;
+            y;
+        }
         Y.Point = Point;
     })(Y = X.Y || (X.Y = {}));
 })(X || (X = {}));
@@ -60,7 +61,7 @@ var X;
 (function (X) {
     var Y;
     (function (Y) {
-        var Point;
+        let Point;
         (function (Point) {
             Point.Origin = new Point(0, 0);
         })(Point = Y.Point || (Y.Point = {}));
@@ -71,11 +72,9 @@ var X;
 var cl = new X.Y.Point(1, 1);
 var cl = X.Y.Point.Origin; // error not expected here same as bug 83996 ?
 //// [simple.js]
-var A = /** @class */ (function () {
-    function A() {
-    }
-    return A;
-}());
+class A {
+    id;
+}
 (function (A) {
     A.Instance = new A();
 })(A || (A = {}));

tests/baselines/reference/EnumAndModuleWithSameNameAndCommonRoot.js

@@ -25,13 +25,14 @@ var enumdule;
     enumdule[enumdule["Blue"] = 1] = "Blue";
 })(enumdule || (enumdule = {}));
 (function (enumdule) {
-    var Point = /** @class */ (function () {
-        function Point(x, y) {
+    class Point {
+        x;
+        y;
+        constructor(x, y) {
             this.x = x;
             this.y = y;
         }
-        return Point;
-    }());
+    }
     enumdule.Point = Point;
 })(enumdule || (enumdule = {}));
 var x;