Add lib.esnext.temporal

src/compiler/commandLineParser.ts

@@ -251,11 +251,13 @@ const libEntries: [string, string][] = [
     // ESNext By-feature options
     ["esnext.array", "lib.esnext.array.d.ts"],
     ["esnext.collection", "lib.esnext.collection.d.ts"],
+    ["esnext.date", "lib.esnext.date.d.ts"],
     ["esnext.decorators", "lib.esnext.decorators.d.ts"],
     ["esnext.disposable", "lib.esnext.disposable.d.ts"],
     ["esnext.error", "lib.esnext.error.d.ts"],
     ["esnext.intl", "lib.esnext.intl.d.ts"],
     ["esnext.sharedmemory", "lib.esnext.sharedmemory.d.ts"],
+    ["esnext.temporal", "lib.esnext.temporal.d.ts"],
     ["esnext.typedarrays", "lib.esnext.typedarrays.d.ts"],
     // Decorators
     ["decorators", "lib.decorators.d.ts"],

src/compiler/utilities.ts

@@ -1953,6 +1953,11 @@ export const getScriptTargetFeatures: () => ScriptTargetFeatures = /* @__PURE__
                 "fromHex",
             ],
         })),
+        Date: new Map(Object.entries({
+            esnext: [
+                "toTemporalInstant",
+            ],
+        })),
         DisposableStack: new Map(Object.entries({
             esnext: emptyArray,
         })),

src/lib/esnext.d.ts

@@ -7,3 +7,5 @@
 /// <reference lib="esnext.error" />
 /// <reference lib="esnext.sharedmemory" />
 /// <reference lib="esnext.typedarrays" />
+/// <reference lib="esnext.temporal" />
+/// <reference lib="esnext.date" />

src/lib/esnext.date.d.ts

@@ -0,0 +1,5 @@
+/// <reference lib="esnext.temporal" />
+
+interface Date {
+    toTemporalInstant(): Temporal.Instant;
+}

src/lib/esnext.intl.d.ts

@@ -1,4 +1,15 @@
+/// <reference lib="esnext.temporal" />
+
 declare namespace Intl {
+    type FormattableTemporalObject = Temporal.PlainDate | Temporal.PlainYearMonth | Temporal.PlainMonthDay | Temporal.PlainTime | Temporal.PlainDateTime | Temporal.Instant;
+
+    interface DateTimeFormat {
+        format(date?: FormattableTemporalObject | Date | number): string;
+        formatToParts(date?: FormattableTemporalObject | Date | number): DateTimeFormatPart[];
+        formatRange(startDate: FormattableTemporalObject | Date | number, endDate: FormattableTemporalObject | Date | number): string;
+        formatRangeToParts(startDate: FormattableTemporalObject | Date | number, endDate: FormattableTemporalObject | Date | number): DateTimeRangeFormatPart[];
+    }
+
     interface Locale {
         /**
          * Returns a list of one or more unique calendar identifiers for this locale.

src/lib/libs.json

@@ -88,11 +88,13 @@
         "es2025.regexp",
         "esnext.array",
         "esnext.collection",
+        "esnext.date",
         "esnext.decorators",
         "esnext.disposable",
         "esnext.error",
         "esnext.intl",
         "esnext.sharedmemory",
+        "esnext.temporal",
         "esnext.typedarrays",
         "decorators",
         "decorators.legacy",

tests/baselines/reference/config/convertCompilerOptionsFromJson/Convert empty string option of libs array to compiler-options with json api.js

@@ -30,5 +30,5 @@ CompilerOptions::
   "configFilePath": "/apath/tsconfig.json"
 }
 Errors::
-error TS6046: Argument for '--lib' option must be: 'es5', 'es6', 'es2015', 'es7', 'es2016', 'es2017', 'es2018', 'es2019', 'es2020', 'es2021', 'es2022', 'es2023', 'es2024', 'es2025', 'esnext', 'dom', 'dom.iterable', 'dom.asynciterable', 'webworker', 'webworker.importscripts', 'webworker.iterable', 'webworker.asynciterable', '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.arraybuffer', 'es2017.date', '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', 'es2019.intl', 'es2020.bigint', 'es2020.date', 'es2020.promise', 'es2020.sharedmemory', 'es2020.string', 'es2020.symbol.wellknown', 'es2020.intl', 'es2020.number', 'es2021.promise', 'es2021.string', 'es2021.weakref', 'es2021.intl', 'es2022.array', 'es2022.error', 'es2022.intl', 'es2022.object', 'es2022.string', 'es2022.regexp', 'es2023.array', 'es2023.collection', 'es2023.intl', 'es2024.arraybuffer', 'es2024.collection', 'es2024.object', 'es2024.promise', 'es2024.regexp', 'es2024.sharedmemory', 'es2024.string', 'es2025.collection', 'es2025.float16', 'es2025.intl', 'es2025.iterator', 'es2025.promise', 'es2025.regexp', 'esnext.asynciterable', 'esnext.symbol', 'esnext.bigint', 'esnext.weakref', 'esnext.object', 'esnext.regexp', 'esnext.string', 'esnext.float16', 'esnext.iterator', 'esnext.promise', 'esnext.array', 'esnext.collection', 'esnext.decorators', 'esnext.disposable', 'esnext.error', 'esnext.intl', 'esnext.sharedmemory', 'esnext.typedarrays', 'decorators', 'decorators.legacy'.
+error TS6046: Argument for '--lib' option must be: 'es5', 'es6', 'es2015', 'es7', 'es2016', 'es2017', 'es2018', 'es2019', 'es2020', 'es2021', 'es2022', 'es2023', 'es2024', 'es2025', 'esnext', 'dom', 'dom.iterable', 'dom.asynciterable', 'webworker', 'webworker.importscripts', 'webworker.iterable', 'webworker.asynciterable', '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.arraybuffer', 'es2017.date', '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', 'es2019.intl', 'es2020.bigint', 'es2020.date', 'es2020.promise', 'es2020.sharedmemory', 'es2020.string', 'es2020.symbol.wellknown', 'es2020.intl', 'es2020.number', 'es2021.promise', 'es2021.string', 'es2021.weakref', 'es2021.intl', 'es2022.array', 'es2022.error', 'es2022.intl', 'es2022.object', 'es2022.string', 'es2022.regexp', 'es2023.array', 'es2023.collection', 'es2023.intl', 'es2024.arraybuffer', 'es2024.collection', 'es2024.object', 'es2024.promise', 'es2024.regexp', 'es2024.sharedmemory', 'es2024.string', 'es2025.collection', 'es2025.float16', 'es2025.intl', 'es2025.iterator', 'es2025.promise', 'es2025.regexp', 'esnext.asynciterable', 'esnext.symbol', 'esnext.bigint', 'esnext.weakref', 'esnext.object', 'esnext.regexp', 'esnext.string', 'esnext.float16', 'esnext.iterator', 'esnext.promise', 'esnext.array', 'esnext.collection', 'esnext.date', 'esnext.decorators', 'esnext.disposable', 'esnext.error', 'esnext.intl', 'esnext.sharedmemory', 'esnext.temporal', 'esnext.typedarrays', 'decorators', 'decorators.legacy'.