microsoft · gabritto · Apr 12, 2024 · Apr 10, 2024
diff --git a/src/compiler/commandLineParser.ts b/src/compiler/commandLineParser.ts
@@ -534,6 +534,7 @@ export const targetOptionDeclaration: CommandLineOptionOfCustomType = {
         es2020: ScriptTarget.ES2020,
         es2021: ScriptTarget.ES2021,
         es2022: ScriptTarget.ES2022,
+        es2023: ScriptTarget.ES2023,
         esnext: ScriptTarget.ESNext,
     })),
     affectsSourceFile: true,

diff --git a/src/compiler/types.ts b/src/compiler/types.ts
@@ -7362,6 +7362,7 @@ export const enum ScriptTarget {
     ES2020 = 7,
     ES2021 = 8,
     ES2022 = 9,
+    ES2023 = 10,
     ESNext = 99,
     JSON = 100,
     Latest = ESNext,

diff --git a/src/compiler/utilitiesPublic.ts b/src/compiler/utilitiesPublic.ts
@@ -311,6 +311,8 @@ export function getDefaultLibFileName(options: CompilerOptions): string {
     switch (getEmitScriptTarget(options)) {
         case ScriptTarget.ESNext:
             return "lib.esnext.full.d.ts";
+        case ScriptTarget.ES2023:
+            return "lib.es2023.full.d.ts";
         case ScriptTarget.ES2022:
             return "lib.es2022.full.d.ts";
         case ScriptTarget.ES2021:

diff --git a/src/server/protocol.ts b/src/server/protocol.ts
@@ -3142,6 +3142,7 @@ export const enum ScriptTarget {
     ES2020 = "es2020",
     ES2021 = "es2021",
     ES2022 = "es2022",
+    ES2023 = "es2023",
     ESNext = "esnext",
     JSON = "json",
     Latest = ESNext,

diff --git a/tests/baselines/reference/api/typescript.d.ts b/tests/baselines/reference/api/typescript.d.ts
@@ -2416,6 +2416,7 @@ declare namespace ts {
                 ES2020 = "es2020",
                 ES2021 = "es2021",
                 ES2022 = "es2022",
+                ES2023 = "es2023",
                 ESNext = "esnext",
                 JSON = "json",
                 Latest = "esnext",
@@ -7019,6 +7020,7 @@ declare namespace ts {
         ES2020 = 7,
         ES2021 = 8,
         ES2022 = 9,
+        ES2023 = 10,
         ESNext = 99,
         JSON = 100,
         Latest = 99,

diff --git a/tests/baselines/reference/callChainWithSuper(target=es2023).js b/tests/baselines/reference/callChainWithSuper(target=es2023).js
@@ -0,0 +1,20 @@
+//// [tests/cases/conformance/expressions/optionalChaining/callChain/callChainWithSuper.ts] ////
+
+//// [callChainWithSuper.ts]
+// GH#34952
+class Base { method?() {} }
+class Derived extends Base {
+    method1() { return super.method?.(); }
+    method2() { return super["method"]?.(); }
+}
+
+//// [callChainWithSuper.js]
+"use strict";
+// GH#34952
+class Base {
+    method() { }
+}
+class Derived extends Base {
+    method1() { return super.method?.(); }
+    method2() { return super["method"]?.(); }
+}
diff --git a/...s/reference/config/commandLineParsing/parseCommandLine/Parse empty options of --target.js b/...s/reference/config/commandLineParsing/parseCommandLine/Parse empty options of --target.js
@@ -7,4 +7,4 @@ FileNames::
 0.ts
 Errors::
 error TS6044: Compiler option 'target' expects an argument.
-error TS6046: Argument for '--target' option must be: 'es5', 'es6', 'es2015', 'es2016', 'es2017', 'es2018', 'es2019', 'es2020', 'es2021', 'es2022', 'esnext'.
+error TS6046: Argument for '--target' option must be: 'es5', 'es6', 'es2015', 'es2016', 'es2017', 'es2018', 'es2019', 'es2020', 'es2021', 'es2022', 'es2023', 'esnext'.
diff --git a/...erOptionsFromJson/Convert incorrect option of target to compiler-options with json api.js b/...erOptionsFromJson/Convert incorrect option of target to compiler-options with json api.js
@@ -23,5 +23,5 @@ CompilerOptions::
   "configFilePath": "tsconfig.json"
 }
 Errors::
-[91merror[0m[90m TS6046: [0mArgument for '--target' option must be: 'es5', 'es6', 'es2015', 'es2016', 'es2017', 'es2018', 'es2019', 'es2020', 'es2021', 'es2022', 'esnext'.
+[91merror[0m[90m TS6046: [0mArgument for '--target' option must be: 'es5', 'es6', 'es2015', 'es2016', 'es2017', 'es2018', 'es2019', 'es2020', 'es2021', 'es2022', 'es2023', 'esnext'.
 
diff --git a/...romJson/Convert incorrect option of target to compiler-options with jsonSourceFile api.js b/...romJson/Convert incorrect option of target to compiler-options with jsonSourceFile api.js
@@ -23,7 +23,7 @@ CompilerOptions::
   "configFilePath": "tsconfig.json"
 }
 Errors::
-[96mtsconfig.json[0m:[93m3[0m:[93m15[0m - [91merror[0m[90m TS6046: [0mArgument for '--target' option must be: 'es5', 'es6', 'es2015', 'es2016', 'es2017', 'es2018', 'es2019', 'es2020', 'es2021', 'es2022', 'esnext'.
+[96mtsconfig.json[0m:[93m3[0m:[93m15[0m - [91merror[0m[90m TS6046: [0mArgument for '--target' option must be: 'es5', 'es6', 'es2015', 'es2016', 'es2017', 'es2018', 'es2019', 'es2020', 'es2021', 'es2022', 'es2023', 'esnext'.
 
 [7m3[0m     "target": "",
 [7m [0m [91m              ~~[0m

diff --git a/...nvert tsconfig options when there are multiple invalid strings with jsonSourceFile api.js b/...nvert tsconfig options when there are multiple invalid strings with jsonSourceFile api.js
@@ -47,7 +47,7 @@ Errors::
 [7m   [0m [91m~~~[0m
 [7m 19[0m }
 [7m   [0m [91m~[0m
-[96mtsconfig.json[0m:[93m3[0m:[93m15[0m - [91merror[0m[90m TS6046: [0mArgument for '--target' option must be: 'es5', 'es6', 'es2015', 'es2016', 'es2017', 'es2018', 'es2019', 'es2020', 'es2021', 'es2022', 'esnext'.
+[96mtsconfig.json[0m:[93m3[0m:[93m15[0m - [91merror[0m[90m TS6046: [0mArgument for '--target' option must be: 'es5', 'es6', 'es2015', 'es2016', 'es2017', 'es2018', 'es2019', 'es2020', 'es2021', 'es2022', 'es2023', 'esnext'.
 
 [7m3[0m     "target": "<%- options.useTsWithBabel ? 'esnext' : 'es5' %>",
 [7m [0m [91m              ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~[0m

diff --git a/tests/baselines/reference/tsc/runWithoutArgs/does-not-add-color-when-NO_COLOR-is-set.js b/tests/baselines/reference/tsc/runWithoutArgs/does-not-add-color-when-NO_COLOR-is-set.js
@@ -101,7 +101,7 @@ default: false
 
 --target, -t
 Set the JavaScript language version for emitted JavaScript and include compatible library declarations.
-one of: es5, es6/es2015, es2016, es2017, es2018, es2019, es2020, es2021, es2022, esnext
+one of: es5, es6/es2015, es2016, es2017, es2018, es2019, es2020, es2021, es2022, es2023, esnext
 default: es5
 
 --module, -m

diff --git a/...th-ExitStatus.DiagnosticsPresent_OutputsSkipped-when-host-can't-provide-terminal-width.js b/...th-ExitStatus.DiagnosticsPresent_OutputsSkipped-when-host-can't-provide-terminal-width.js
@@ -101,7 +101,7 @@ default: false
 
 [94m--target, -t[39m
 Set the JavaScript language version for emitted JavaScript and include compatible library declarations.
-one of: es5, es6/es2015, es2016, es2017, es2018, es2019, es2020, es2021, es2022, esnext
+one of: es5, es6/es2015, es2016, es2017, es2018, es2019, es2020, es2021, es2022, es2023, esnext
 default: es5
 
 [94m--module, -m[39m

diff --git a/...ference/tsc/runWithoutArgs/show-help-with-ExitStatus.DiagnosticsPresent_OutputsSkipped.js b/...ference/tsc/runWithoutArgs/show-help-with-ExitStatus.DiagnosticsPresent_OutputsSkipped.js
@@ -101,7 +101,7 @@ default: false
 
 [94m--target, -t[39m
 Set the JavaScript language version for emitted JavaScript and include compatible library declarations.
-one of: es5, es6/es2015, es2016, es2017, es2018, es2019, es2020, es2021, es2022, esnext
+one of: es5, es6/es2015, es2016, es2017, es2018, es2019, es2020, es2021, es2022, es2023, esnext
 default: es5
 
 [94m--module, -m[39m