Intl.NumberFormat: add ECMA-402 version 10 changes under es2023.intl

Author: Renegade334

src/compiler/commandLineParser.ts

@@ -215,6 +215,7 @@ const libEntries: [string, string][] = [
     ["es2022.regexp", "lib.es2022.regexp.d.ts"],
     ["es2023.array", "lib.es2023.array.d.ts"],
     ["es2023.collection", "lib.es2023.collection.d.ts"],
+    ["es2023.intl", "lib.es2023.intl.d.ts"],
     ["esnext.array", "lib.es2023.array.d.ts"],
     ["esnext.collection", "lib.es2023.collection.d.ts"],
     ["esnext.symbol", "lib.es2019.symbol.d.ts"],

src/lib/es2020.intl.d.ts

@@ -223,11 +223,20 @@ declare namespace Intl {
         ): UnicodeBCP47LocaleIdentifier[];
     };
 
+    interface NumberFormatOptionsSignDisplayRegistry {
+        auto: any;
+        never: any;
+        always: any;
+        exceptZero: any;
+    }
+
+    type NumberFormatOptionsSignDisplay = keyof NumberFormatOptionsSignDisplayRegistry;
+
     interface NumberFormatOptions {
         numberingSystem: string | undefined;
         compactDisplay?: "short" | "long" | undefined;
         notation?: "standard" | "scientific" | "engineering" | "compact" | undefined;
-        signDisplay?: "auto" | "never" | "always" | "exceptZero" | undefined;
+        signDisplay?: NumberFormatOptionsSignDisplay | undefined;
         unit?: string | undefined;
         unitDisplay?: "short" | "long" | "narrow" | undefined;
         currencySign?: string | undefined;
@@ -236,7 +245,7 @@ declare namespace Intl {
     interface ResolvedNumberFormatOptions {
         compactDisplay?: "short" | "long";
         notation: "standard" | "scientific" | "engineering" | "compact";
-        signDisplay: "auto" | "never" | "always" | "exceptZero";
+        signDisplay: NumberFormatOptionsSignDisplay;
         unit?: string;
         unitDisplay?: "short" | "long" | "narrow";
         currencySign?: string;

src/lib/es2023.d.ts

@@ -1,3 +1,4 @@
 /// <reference lib="es2022" />
 /// <reference lib="es2023.array" />
 /// <reference lib="es2023.collection" />
+/// <reference lib="es2023.intl" />

src/lib/es2023.intl.d.ts

@@ -0,0 +1,27 @@
+declare namespace Intl {
+    interface NumberFormatUseGroupingRegistry {
+        true: any;
+        false: any;
+        min2: any;
+        auto: any;
+        always: any;
+    }
+
+    interface NumberFormatSignDisplayRegistry {
+        negative: any;
+    }
+
+    interface NumberFormatOptions {
+        roundingPriority?: "auto" | "morePrecision" | "lessPrecision" | undefined;
+        roundingIncrement?: 1 | 2 | 5 | 10 | 20 | 25 | 50 | 100 | 200 | 250 | 500 | 1000 | 2000 | 2500 | 5000 | undefined;
+        roundingMode?: "ceil" | "floor" | "expand" | "trunc" | "halfCeil" | "halfFloor" | "halfExpand" | "halfTrunc" | "halfEven" | undefined;
+        trailingZeroDisplay?: "auto" | "stripIfInteger" | undefined;
+    }
+
+    interface ResolvedNumberFormatOptions {
+        roundingPriority: "auto" | "morePrecision" | "lessPrecision";
+        roundingMode: "ceil" | "floor" | "expand" | "trunc" | "halfCeil" | "halfFloor" | "halfExpand" | "halfTrunc" | "halfEven";
+        roundingIncrement: 1 | 2 | 5 | 10 | 20 | 25 | 50 | 100 | 200 | 250 | 500 | 1000 | 2000 | 2500 | 5000;
+        trailingZeroDisplay: "auto" | "stripIfInteger";
+    }
+}

src/lib/es5.d.ts

@@ -4409,12 +4409,16 @@ declare namespace Intl {
 
     var Collator: CollatorConstructor;
 
+    interface NumberFormatOptionsUseGroupingRegistry {}
+
+    type NumberFormatOptionsUseGrouping = keyof NumberFormatOptionsUseGroupingRegistry | boolean;
+
     interface NumberFormatOptions {
         localeMatcher?: string | undefined;
         style?: string | undefined;
         currency?: string | undefined;
         currencyDisplay?: string | undefined;
-        useGrouping?: boolean | undefined;
+        useGrouping?: NumberFormatOptionsUseGrouping | undefined;
         minimumIntegerDigits?: number | undefined;
         minimumFractionDigits?: number | undefined;
         maximumFractionDigits?: number | undefined;
@@ -4433,7 +4437,7 @@ declare namespace Intl {
         maximumFractionDigits: number;
         minimumSignificantDigits?: number;
         maximumSignificantDigits?: number;
-        useGrouping: boolean;
+        useGrouping: NumberFormatOptionsUseGrouping;
     }
 
     interface NumberFormat {

src/lib/libs.json

@@ -68,6 +68,7 @@
         "es2022.regexp",
         "es2023.array",
         "es2023.collection",
+        "es2023.intl",
         "esnext.decorators",
         "esnext.intl",
         "esnext.disposable",