fix: add es2016.intl.d.ts

src/compiler/commandLineParser.ts

@@ -48,6 +48,7 @@ namespace ts {
         ["es2015.symbol", "lib.es2015.symbol.d.ts"],
         ["es2015.symbol.wellknown", "lib.es2015.symbol.wellknown.d.ts"],
         ["es2016.array.include", "lib.es2016.array.include.d.ts"],
+        ["es2016.intl", "lib.es2016.intl.d.ts"],
         ["es2017.object", "lib.es2017.object.d.ts"],
         ["es2017.sharedmemory", "lib.es2017.sharedmemory.d.ts"],
         ["es2017.string", "lib.es2017.string.d.ts"],

src/lib/es2016.d.ts

@@ -1,2 +1,3 @@
 /// <reference lib="es2015" />
-/// <reference lib="es2016.array.include" />
+/// <reference lib="es2016.array.include" />
+/// <reference lib="es2016.intl" />

src/lib/es2016.intl.d.ts

@@ -0,0 +1,19 @@
+declare namespace Intl {
+    /**
+     * [Unicode BCP 47 Locale Identifiers](https://unicode.org/reports/tr35/#Unicode_Language_and_Locale_Identifiers) definition.
+     *
+     * [MDN](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl#locales_argument).
+     *
+     * [Wikipedia](https://en.wikipedia.org/wiki/IETF_language_tag).
+     */
+    type UnicodeBCP47LocaleIdentifier = string;
+
+    /**
+     * The Intl.getCanonicalLocales() method returns an array containing
+     * the canonical locale names. Duplicates will be omitted and elements
+     * will be validated as structurally valid language tags.
+     * See https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl/getCanonicalLocales
+     * @param locale A list of string values for which to get the canonical locale names.
+     */
+    function getCanonicalLocales(locale?: UnicodeBCP47LocaleIdentifier | UnicodeBCP47LocaleIdentifier[]): UnicodeBCP47LocaleIdentifier[];
+}

src/lib/es2020.intl.d.ts

@@ -1,13 +1,5 @@
 declare namespace Intl {
 
-    /**
-     * [Unicode BCP 47 Locale Identifiers](https://unicode.org/reports/tr35/#Unicode_Language_and_Locale_Identifiers) definition.
-     *
-     * [MDN](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl#locales_argument).
-     *
-     */
-    type UnicodeBCP47LocaleIdentifier = string;
-
     /**
      * Unit to use in the relative time internationalized message.
      *

src/lib/libs.json

@@ -28,6 +28,7 @@
         "es2015.symbol",
         "es2015.symbol.wellknown",
         "es2016.array.include",
+        "es2016.intl",
         "es2017.object",
         "es2017.sharedmemory",
         "es2017.string",

src/testRunner/unittests/config/convertCompilerOptionsFromJson.ts

@@ -295,7 +295,7 @@ namespace ts {
                         file: undefined,
                         start: 0,
                         length: 0,
-                        messageText: "Argument for '--lib' option must be: 'es5', 'es6', 'es2015', 'es7', 'es2016', 'es2017', 'es2018', 'esnext', 'dom', 'dom.iterable', 'webworker', 'webworker.importscripts', 'scripthost', 'es2015.core', 'es2015.collection', 'es2015.generator', 'es2015.iterable', 'es2015.promise', 'es2015.proxy', 'es2015.reflect', 'es2015.symbol', 'es2015.symbol.wellknown', 'es2016.array.include', 'es2017.object', 'es2017.sharedmemory', 'es2017.string', 'es2017.intl', 'es2017.typedarrays', 'es2018.asynciterable', 'es2018.intl', 'es2018.promise', 'es2018.regexp', 'esnext.array', 'esnext.symbol', 'esnext.intl', 'esnext.bigint', 'esnext.bigint', 'esnext.string', 'esnext.promise'.",
+                        messageText: "Argument for '--lib' option must be: 'es5', 'es6', 'es2015', 'es7', 'es2016', 'es2017', 'es2018', 'esnext', 'dom', 'dom.iterable', 'webworker', 'webworker.importscripts', 'scripthost', 'es2015.core', 'es2015.collection', 'es2015.generator', 'es2015.iterable', 'es2015.promise', 'es2015.proxy', 'es2015.reflect', 'es2015.symbol', 'es2015.symbol.wellknown', 'es2016.array.include', 'es2016.intl', 'es2017.object', 'es2017.sharedmemory', 'es2017.string', 'es2017.intl', 'es2017.typedarrays', 'es2018.asynciterable', 'es2018.intl', 'es2018.promise', 'es2018.regexp', 'esnext.array', 'esnext.symbol', 'esnext.intl', 'esnext.bigint', 'esnext.bigint', 'esnext.string', 'esnext.promise'.",
                         code: Diagnostics.Argument_for_0_option_must_be_Colon_1.code,
                         category: Diagnostics.Argument_for_0_option_must_be_Colon_1.category
                     }]
@@ -326,7 +326,7 @@ namespace ts {
                         file: undefined,
                         start: 0,
                         length: 0,
-                        messageText: "Argument for '--lib' option must be: 'es5', 'es6', 'es2015', 'es7', 'es2016', 'es2017', 'es2018', 'esnext', 'dom', 'dom.iterable', 'webworker', 'webworker.importscripts', 'scripthost', 'es2015.core', 'es2015.collection', 'es2015.generator', 'es2015.iterable', 'es2015.promise', 'es2015.proxy', 'es2015.reflect', 'es2015.symbol', 'es2015.symbol.wellknown', 'es2016.array.include', 'es2017.object', 'es2017.sharedmemory', 'es2017.string', 'es2017.intl', 'es2017.typedarrays', 'es2018.asynciterable', 'es2018.intl', 'es2018.promise', 'es2018.regexp', 'esnext.array', 'esnext.symbol', 'esnext.intl', 'esnext.bigint', 'esnext.string', 'esnext.promise'.",
+                        messageText: "Argument for '--lib' option must be: 'es5', 'es6', 'es2015', 'es7', 'es2016', 'es2017', 'es2018', 'esnext', 'dom', 'dom.iterable', 'webworker', 'webworker.importscripts', 'scripthost', 'es2015.core', 'es2015.collection', 'es2015.generator', 'es2015.iterable', 'es2015.promise', 'es2015.proxy', 'es2015.reflect', 'es2015.symbol', 'es2015.symbol.wellknown', 'es2016.array.include', 'es2016.intl', 'es2017.object', 'es2017.sharedmemory', 'es2017.string', 'es2017.intl', 'es2017.typedarrays', 'es2018.asynciterable', 'es2018.intl', 'es2018.promise', 'es2018.regexp', 'esnext.array', 'esnext.symbol', 'esnext.intl', 'esnext.bigint', 'esnext.string', 'esnext.promise'.",
                         code: Diagnostics.Argument_for_0_option_must_be_Colon_1.code,
                         category: Diagnostics.Argument_for_0_option_must_be_Colon_1.category
                     }]
@@ -357,7 +357,7 @@ namespace ts {
                         file: undefined,
                         start: 0,
                         length: 0,
-                        messageText: "Argument for '--lib' option must be: 'es5', 'es6', 'es2015', 'es7', 'es2016', 'es2017', 'es2018', 'esnext', 'dom', 'dom.iterable', 'webworker', 'webworker.importscripts', 'scripthost', 'es2015.core', 'es2015.collection', 'es2015.generator', 'es2015.iterable', 'es2015.promise', 'es2015.proxy', 'es2015.reflect', 'es2015.symbol', 'es2015.symbol.wellknown', 'es2016.array.include', 'es2017.object', 'es2017.sharedmemory', 'es2017.string', 'es2017.intl', 'es2017.typedarrays', 'es2018.asynciterable', 'es2018.intl', 'es2018.promise', 'es2018.regexp', 'esnext.array', 'esnext.symbol', 'esnext.intl', 'esnext.bigint', 'esnext.string', 'esnext.promise'.",
+                        messageText: "Argument for '--lib' option must be: 'es5', 'es6', 'es2015', 'es7', 'es2016', 'es2017', 'es2018', 'esnext', 'dom', 'dom.iterable', 'webworker', 'webworker.importscripts', 'scripthost', 'es2015.core', 'es2015.collection', 'es2015.generator', 'es2015.iterable', 'es2015.promise', 'es2015.proxy', 'es2015.reflect', 'es2015.symbol', 'es2015.symbol.wellknown', 'es2016.array.include', 'es2016.intl', 'es2017.object', 'es2017.sharedmemory', 'es2017.string', 'es2017.intl', 'es2017.typedarrays', 'es2018.asynciterable', 'es2018.intl', 'es2018.promise', 'es2018.regexp', 'esnext.array', 'esnext.symbol', 'esnext.intl', 'esnext.bigint', 'esnext.string', 'esnext.promise'.",
                         code: Diagnostics.Argument_for_0_option_must_be_Colon_1.code,
                         category: Diagnostics.Argument_for_0_option_must_be_Colon_1.category
                     }]
@@ -388,7 +388,7 @@ namespace ts {
                         file: undefined,
                         start: 0,
                         length: 0,
-                        messageText: "Argument for '--lib' option must be: 'es5', 'es6', 'es2015', 'es7', 'es2016', 'es2017', 'es2018', 'esnext', 'dom', 'dom.iterable', 'webworker', 'webworker.importscripts', 'scripthost', 'es2015.core', 'es2015.collection', 'es2015.generator', 'es2015.iterable', 'es2015.promise', 'es2015.proxy', 'es2015.reflect', 'es2015.symbol', 'es2015.symbol.wellknown', 'es2016.array.include', 'es2017.object', 'es2017.sharedmemory', 'es2017.string', 'es2017.intl', 'es2017.typedarrays', 'es2018.asynciterable', 'es2018.intl', 'es2018.promise', 'es2018.regexp', 'esnext.array', 'esnext.symbol', 'esnext.intl', 'esnext.bigint', 'esnext.string', 'esnext.promise'.",
+                        messageText: "Argument for '--lib' option must be: 'es5', 'es6', 'es2015', 'es7', 'es2016', 'es2017', 'es2018', 'esnext', 'dom', 'dom.iterable', 'webworker', 'webworker.importscripts', 'scripthost', 'es2015.core', 'es2015.collection', 'es2015.generator', 'es2015.iterable', 'es2015.promise', 'es2015.proxy', 'es2015.reflect', 'es2015.symbol', 'es2015.symbol.wellknown', 'es2016.array.include', 'es2016.intl', 'es2017.object', 'es2017.sharedmemory', 'es2017.string', 'es2017.intl', 'es2017.typedarrays', 'es2018.asynciterable', 'es2018.intl', 'es2018.promise', 'es2018.regexp', 'esnext.array', 'esnext.symbol', 'esnext.intl', 'esnext.bigint', 'esnext.string', 'esnext.promise'.",
                         code: Diagnostics.Argument_for_0_option_must_be_Colon_1.code,
                         category: Diagnostics.Argument_for_0_option_must_be_Colon_1.category
                     }]

tests/baselines/reference/bigintWithLib.symbols

@@ -242,14 +242,14 @@ let z = 12n; // should emit type bigint in declaration file
 new Intl.NumberFormat("fr").format(3000n);
 >new Intl.NumberFormat("fr").format : Symbol(Intl.NumberFormat.format, Decl(lib.es5.d.ts, --, --), Decl(lib.es2020.bigint.d.ts, --, --))
 >Intl.NumberFormat : Symbol(Intl.NumberFormat, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es2020.bigint.d.ts, --, --))
->Intl : Symbol(Intl, Decl(lib.es5.d.ts, --, --), Decl(lib.es2017.intl.d.ts, --, --), Decl(lib.es2018.intl.d.ts, --, --), Decl(lib.es2020.bigint.d.ts, --, --), Decl(lib.es2020.intl.d.ts, --, --))
+>Intl : Symbol(Intl, Decl(lib.es5.d.ts, --, --), Decl(lib.es2016.intl.d.ts, --, --), Decl(lib.es2017.intl.d.ts, --, --), Decl(lib.es2018.intl.d.ts, --, --), Decl(lib.es2020.bigint.d.ts, --, --) ... and 1 more)
 >NumberFormat : Symbol(Intl.NumberFormat, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es2020.bigint.d.ts, --, --))
 >format : Symbol(Intl.NumberFormat.format, Decl(lib.es5.d.ts, --, --), Decl(lib.es2020.bigint.d.ts, --, --))
 
 new Intl.NumberFormat("fr").format(bigintVal);
 >new Intl.NumberFormat("fr").format : Symbol(Intl.NumberFormat.format, Decl(lib.es5.d.ts, --, --), Decl(lib.es2020.bigint.d.ts, --, --))
 >Intl.NumberFormat : Symbol(Intl.NumberFormat, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es2020.bigint.d.ts, --, --))
->Intl : Symbol(Intl, Decl(lib.es5.d.ts, --, --), Decl(lib.es2017.intl.d.ts, --, --), Decl(lib.es2018.intl.d.ts, --, --), Decl(lib.es2020.bigint.d.ts, --, --), Decl(lib.es2020.intl.d.ts, --, --))
+>Intl : Symbol(Intl, Decl(lib.es5.d.ts, --, --), Decl(lib.es2016.intl.d.ts, --, --), Decl(lib.es2017.intl.d.ts, --, --), Decl(lib.es2018.intl.d.ts, --, --), Decl(lib.es2020.bigint.d.ts, --, --) ... and 1 more)
 >NumberFormat : Symbol(Intl.NumberFormat, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es2020.bigint.d.ts, --, --))
 >format : Symbol(Intl.NumberFormat.format, Decl(lib.es5.d.ts, --, --), Decl(lib.es2020.bigint.d.ts, --, --))
 >bigintVal : Symbol(bigintVal, Decl(bigintWithLib.ts, 1, 3))

tests/baselines/reference/formatToPartsBigInt.symbols

@@ -5,14 +5,14 @@
 new Intl.NumberFormat("fr").formatToParts(3000n);
 >new Intl.NumberFormat("fr").formatToParts : Symbol(Intl.NumberFormat.formatToParts, Decl(lib.esnext.intl.d.ts, --, --))
 >Intl.NumberFormat : Symbol(Intl.NumberFormat, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es2020.bigint.d.ts, --, --), Decl(lib.esnext.intl.d.ts, --, --))
->Intl : Symbol(Intl, Decl(lib.es5.d.ts, --, --), Decl(lib.es2017.intl.d.ts, --, --), Decl(lib.es2018.intl.d.ts, --, --), Decl(lib.es2020.bigint.d.ts, --, --), Decl(lib.es2020.intl.d.ts, --, --) ... and 1 more)
+>Intl : Symbol(Intl, Decl(lib.es5.d.ts, --, --), Decl(lib.es2016.intl.d.ts, --, --), Decl(lib.es2017.intl.d.ts, --, --), Decl(lib.es2018.intl.d.ts, --, --), Decl(lib.es2020.bigint.d.ts, --, --) ... and 2 more)
 >NumberFormat : Symbol(Intl.NumberFormat, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es2020.bigint.d.ts, --, --), Decl(lib.esnext.intl.d.ts, --, --))
 >formatToParts : Symbol(Intl.NumberFormat.formatToParts, Decl(lib.esnext.intl.d.ts, --, --))
 
 new Intl.NumberFormat("fr").formatToParts(BigInt(123));
 >new Intl.NumberFormat("fr").formatToParts : Symbol(Intl.NumberFormat.formatToParts, Decl(lib.esnext.intl.d.ts, --, --))
 >Intl.NumberFormat : Symbol(Intl.NumberFormat, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es2020.bigint.d.ts, --, --), Decl(lib.esnext.intl.d.ts, --, --))
->Intl : Symbol(Intl, Decl(lib.es5.d.ts, --, --), Decl(lib.es2017.intl.d.ts, --, --), Decl(lib.es2018.intl.d.ts, --, --), Decl(lib.es2020.bigint.d.ts, --, --), Decl(lib.es2020.intl.d.ts, --, --) ... and 1 more)
+>Intl : Symbol(Intl, Decl(lib.es5.d.ts, --, --), Decl(lib.es2016.intl.d.ts, --, --), Decl(lib.es2017.intl.d.ts, --, --), Decl(lib.es2018.intl.d.ts, --, --), Decl(lib.es2020.bigint.d.ts, --, --) ... and 2 more)
 >NumberFormat : Symbol(Intl.NumberFormat, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es2020.bigint.d.ts, --, --), Decl(lib.esnext.intl.d.ts, --, --))
 >formatToParts : Symbol(Intl.NumberFormat.formatToParts, Decl(lib.esnext.intl.d.ts, --, --))
 >BigInt : Symbol(BigInt, Decl(lib.es2020.bigint.d.ts, --, --), Decl(lib.es2020.bigint.d.ts, --, --))

tests/baselines/reference/tsc/runWithoutArgs/initial-build/does-not-add-color-when-NO_COLOR-is-set.js

@@ -77,7 +77,7 @@ one of: none, commonjs, amd, system, umd, es6, es2015, es2020, esnext
 
 --lib
 Specify a set of bundled library declaration files that describe the target runtime environment.
-one or more: es5, es6, es2015, es7, es2016, es2017, es2018, es2019, es2020, es2021, esnext, dom, dom.iterable, webworker, webworker.importscripts, webworker.iterable, scripthost, es2015.core, es2015.collection, es2015.generator, es2015.iterable, es2015.promise, es2015.proxy, es2015.reflect, es2015.symbol, es2015.symbol.wellknown, es2016.array.include, es2017.object, es2017.sharedmemory, es2017.string, es2017.intl, es2017.typedarrays, es2018.asyncgenerator, es2018.asynciterable, es2018.intl, es2018.promise, es2018.regexp, es2019.array, es2019.object, es2019.string, es2019.symbol, es2020.bigint, es2020.promise, es2020.sharedmemory, es2020.string, es2020.symbol.wellknown, es2020.intl, es2021.promise, es2021.string, es2021.weakref, esnext.array, esnext.symbol, esnext.asynciterable, esnext.intl, esnext.bigint, esnext.string, esnext.promise, esnext.weakref
+one or more: es5, es6, es2015, es7, es2016, es2017, es2018, es2019, es2020, es2021, esnext, dom, dom.iterable, webworker, webworker.importscripts, webworker.iterable, scripthost, es2015.core, es2015.collection, es2015.generator, es2015.iterable, es2015.promise, es2015.proxy, es2015.reflect, es2015.symbol, es2015.symbol.wellknown, es2016.array.include, es2016.intl, es2017.object, es2017.sharedmemory, es2017.string, es2017.intl, es2017.typedarrays, es2018.asyncgenerator, es2018.asynciterable, es2018.intl, es2018.promise, es2018.regexp, es2019.array, es2019.object, es2019.string, es2019.symbol, es2020.bigint, es2020.promise, es2020.sharedmemory, es2020.string, es2020.symbol.wellknown, es2020.intl, es2021.promise, es2021.string, es2021.weakref, esnext.array, esnext.symbol, esnext.asynciterable, esnext.intl, esnext.bigint, esnext.string, esnext.promise, esnext.weakref
 
 --allowJs
 Allow JavaScript files to be a part of your program. Use the `checkJS` option to get errors from these files.

tests/baselines/reference/tsc/runWithoutArgs/initial-build/show-help-with-ExitStatus.DiagnosticsPresent_OutputsSkipped-when-host-can't-provide-terminal-width.js

@@ -77,7 +77,7 @@ one of: none, commonjs, amd, system, umd, es6, es2015, es2020, esnext
 
 --lib
 Specify a set of bundled library declaration files that describe the target runtime environment.
-one or more: es5, es6, es2015, es7, es2016, es2017, es2018, es2019, es2020, es2021, esnext, dom, dom.iterable, webworker, webworker.importscripts, webworker.iterable, scripthost, es2015.core, es2015.collection, es2015.generator, es2015.iterable, es2015.promise, es2015.proxy, es2015.reflect, es2015.symbol, es2015.symbol.wellknown, es2016.array.include, es2017.object, es2017.sharedmemory, es2017.string, es2017.intl, es2017.typedarrays, es2018.asyncgenerator, es2018.asynciterable, es2018.intl, es2018.promise, es2018.regexp, es2019.array, es2019.object, es2019.string, es2019.symbol, es2020.bigint, es2020.promise, es2020.sharedmemory, es2020.string, es2020.symbol.wellknown, es2020.intl, es2021.promise, es2021.string, es2021.weakref, esnext.array, esnext.symbol, esnext.asynciterable, esnext.intl, esnext.bigint, esnext.string, esnext.promise, esnext.weakref
+one or more: es5, es6, es2015, es7, es2016, es2017, es2018, es2019, es2020, es2021, esnext, dom, dom.iterable, webworker, webworker.importscripts, webworker.iterable, scripthost, es2015.core, es2015.collection, es2015.generator, es2015.iterable, es2015.promise, es2015.proxy, es2015.reflect, es2015.symbol, es2015.symbol.wellknown, es2016.array.include, es2016.intl, es2017.object, es2017.sharedmemory, es2017.string, es2017.intl, es2017.typedarrays, es2018.asyncgenerator, es2018.asynciterable, es2018.intl, es2018.promise, es2018.regexp, es2019.array, es2019.object, es2019.string, es2019.symbol, es2020.bigint, es2020.promise, es2020.sharedmemory, es2020.string, es2020.symbol.wellknown, es2020.intl, es2021.promise, es2021.string, es2021.weakref, esnext.array, esnext.symbol, esnext.asynciterable, esnext.intl, esnext.bigint, esnext.string, esnext.promise, esnext.weakref
 
 --allowJs
 Allow JavaScript files to be a part of your program. Use the `checkJS` option to get errors from these files.

tests/baselines/reference/tsc/runWithoutArgs/initial-build/show-help-with-ExitStatus.DiagnosticsPresent_OutputsSkipped.js

@@ -77,7 +77,7 @@ one of: none, commonjs, amd, system, umd, es6, es2015, es2020, esnext
 
 --lib
 Specify a set of bundled library declaration files that describe the target runtime environment.
-one or more: es5, es6, es2015, es7, es2016, es2017, es2018, es2019, es2020, es2021, esnext, dom, dom.iterable, webworker, webworker.importscripts, webworker.iterable, scripthost, es2015.core, es2015.collection, es2015.generator, es2015.iterable, es2015.promise, es2015.proxy, es2015.reflect, es2015.symbol, es2015.symbol.wellknown, es2016.array.include, es2017.object, es2017.sharedmemory, es2017.string, es2017.intl, es2017.typedarrays, es2018.asyncgenerator, es2018.asynciterable, es2018.intl, es2018.promise, es2018.regexp, es2019.array, es2019.object, es2019.string, es2019.symbol, es2020.bigint, es2020.promise, es2020.sharedmemory, es2020.string, es2020.symbol.wellknown, es2020.intl, es2021.promise, es2021.string, es2021.weakref, esnext.array, esnext.symbol, esnext.asynciterable, esnext.intl, esnext.bigint, esnext.string, esnext.promise, esnext.weakref
+one or more: es5, es6, es2015, es7, es2016, es2017, es2018, es2019, es2020, es2021, esnext, dom, dom.iterable, webworker, webworker.importscripts, webworker.iterable, scripthost, es2015.core, es2015.collection, es2015.generator, es2015.iterable, es2015.promise, es2015.proxy, es2015.reflect, es2015.symbol, es2015.symbol.wellknown, es2016.array.include, es2016.intl, es2017.object, es2017.sharedmemory, es2017.string, es2017.intl, es2017.typedarrays, es2018.asyncgenerator, es2018.asynciterable, es2018.intl, es2018.promise, es2018.regexp, es2019.array, es2019.object, es2019.string, es2019.symbol, es2020.bigint, es2020.promise, es2020.sharedmemory, es2020.string, es2020.symbol.wellknown, es2020.intl, es2021.promise, es2021.string, es2021.weakref, esnext.array, esnext.symbol, esnext.asynciterable, esnext.intl, esnext.bigint, esnext.string, esnext.promise, esnext.weakref
 
 --allowJs
 Allow JavaScript files to be a part of your program. Use the `checkJS` option to get errors from these files.