Merge pull request #26176 from lylejohnson/add-to-millis-to-luxon-datetime

Update index.d.ts for 'luxon' to add toMillis() for DateTime class

types/luxon/index.d.ts

@@ -208,6 +208,7 @@ declare module 'luxon' {
             toLocaleParts(options?: DateTimeFormatOptions): any[];
             toLocaleString(options?: DateTimeFormatOptions): string;
             toObject(options?: { includeConfig?: boolean }): DateObject;
+            toMillis(): number;
             toRFC2822(): string;
             toSQL(options?: Object): string;
             toSQLDate(): string;

types/luxon/luxon-tests.ts

@@ -54,6 +54,8 @@ DateTime.utc();
 DateTime.local().toUTC();
 DateTime.utc().toLocal();
 
+DateTime.fromMillis(1527780819458).toMillis();
+
 /* Duration */
 const dur = Duration.fromObject({ hours: 2, minutes: 7 });
 dt.plus(dur);