add proposal-temporal ancillaries to lib.esnext.{date,intl}

Author: Renegade334

src/compiler/commandLineParser.ts

@@ -252,6 +252,7 @@ const libEntries: [string, string][] = [
     ["esnext.error", "lib.esnext.error.d.ts"],
     ["esnext.sharedmemory", "lib.esnext.sharedmemory.d.ts"],
     ["esnext.temporal", "lib.esnext.temporal.d.ts"],
+    ["esnext.date", "lib.esnext.date.d.ts"],
     ["decorators", "lib.decorators.d.ts"],
     ["decorators.legacy", "lib.decorators.legacy.d.ts"],
 ];

src/compiler/utilities.ts

@@ -1923,6 +1923,11 @@ export const getScriptTargetFeatures: () => ScriptTargetFeatures = /* @__PURE__
                 "fromHex",
             ],
         })),
+        Date: new Map(Object.entries({
+            esnext: [
+                "toTemporalInstant",
+            ],
+        })),
     }))
 );
 

src/lib/esnext.d.ts

@@ -11,3 +11,4 @@
 /// <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

@@ -1,3 +1,12 @@
+/// <reference lib="esnext.temporal" />
+
 declare namespace Intl {
-    // Empty
+    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[];
+    }
 }

src/lib/libs.json

@@ -91,6 +91,7 @@
         "esnext.error",
         "esnext.sharedmemory",
         "esnext.temporal",
+        "esnext.date",
         "decorators",
         "decorators.legacy",
         // Default libraries

tests/baselines/reference/bundlerDirectoryModule(module=nodenext,moduleresolution=nodenext).trace.json

@@ -197,5 +197,7 @@
     "File '/.ts/package.json' does not exist according to earlier cached lookups.",
     "File '/package.json' does not exist according to earlier cached lookups.",
     "File '/.ts/package.json' does not exist according to earlier cached lookups.",
+    "File '/package.json' does not exist according to earlier cached lookups.",
+    "File '/.ts/package.json' does not exist according to earlier cached lookups.",
     "File '/package.json' does not exist according to earlier cached lookups."
 ]