feat(cli): update to TypeScript 4.5 (#12410)

Co-authored-by: Bartek Iwańczuk <biwanczuk@gmail.com>

1 files changed, 23 insertions, 11 deletions

diff --git a/cli/dts/lib.es2018.intl.d.ts b/cli/dts/lib.es2018.intl.d.ts
index 0d7961101..97c0eedb0 100644
--- a/cli/dts/lib.es2018.intl.d.ts
+++ b/cli/dts/lib.es2018.intl.d.ts
@@ -25,13 +25,13 @@ declare namespace Intl {
     type PluralRuleType = "cardinal" | "ordinal";
 
     interface PluralRulesOptions {
-        localeMatcher?: "lookup" | "best fit";
-        type?: PluralRuleType;
-        minimumIntegerDigits?: number;
-        minimumFractionDigits?: number;
-        maximumFractionDigits?: number;
-        minimumSignificantDigits?: number;
-        maximumSignificantDigits?: number;
+        localeMatcher?: "lookup" | "best fit" | undefined;
+        type?: PluralRuleType | undefined;
+        minimumIntegerDigits?: number | undefined;
+        minimumFractionDigits?: number | undefined;
+        maximumFractionDigits?: number | undefined;
+        minimumSignificantDigits?: number | undefined;
+        maximumSignificantDigits?: number | undefined;
     }
 
     interface ResolvedPluralRulesOptions {
@@ -53,9 +53,21 @@ declare namespace Intl {
     const PluralRules: {
         new (locales?: string | string[], options?: PluralRulesOptions): PluralRules;
         (locales?: string | string[], options?: PluralRulesOptions): PluralRules;
-        supportedLocalesOf(
-            locales: string | string[],
-            options?: PluralRulesOptions,
-        ): string[];
+
+        supportedLocalesOf(locales: string | string[], options?: { localeMatcher?: "lookup" | "best fit" }): string[];
     };
+
+    // We can only have one definition for 'type' in TypeScript, and so you can learn where the keys come from here:
+    type ES2018NumberFormatPartType = "literal" | "nan" | "infinity" | "percent" | "integer" | "group" | "decimal" | "fraction" | "plusSign" | "minusSign" | "percentSign" | "currency" | "code" | "symbol" | "name";
+    type ES2020NumberFormatPartType = "compact" | "exponentInteger" | "exponentMinusSign" | "exponentSeparator" | "unit" | "unknown";
+    type NumberFormatPartTypes = ES2018NumberFormatPartType | ES2020NumberFormatPartType;
+
+    interface NumberFormatPart {
+        type: NumberFormatPartTypes;
+        value: string;
+    }
+
+    interface NumberFormat {
+        formatToParts(number?: number | bigint): NumberFormatPart[];
+    }
 }