refactor: use union type in DateConstructor (microsoft#21757)

alan-agius4 · mhegazy · commit 7b9ceb85fa4e · 2018-02-08T12:22:37.000-08:00
* refactor: use union type in `DateConstructor` Add support for union types in `DateConstructor` This will add support for something like the below; ` let date; string | number; const date = new Date(x); ` Closes: microsoft#21758 * fix: date constructor can't be passed `string | Date`, but takes either individually Closes: microsoft#20900
diff --git a/lib/lib.es5.d.ts b/lib/lib.es5.d.ts
@@ -792,8 +792,7 @@ interface Date {
 
 interface DateConstructor {
     new(): Date;
-    new(value: number): Date;
-    new(value: string): Date;
+    new(value: string | number): Date;
     new(year: number, month: number, date?: number, hours?: number, minutes?: number, seconds?: number, ms?: number): Date;
     (): string;
     readonly prototype: Date;
diff --git a/src/lib/es2015.core.d.ts b/src/lib/es2015.core.d.ts
@@ -69,7 +69,7 @@ interface ArrayConstructor {
 }
 
 interface DateConstructor {
-    new (value: Date): Date;
+    new (value: number | string | Date): Date;
 }
 
 interface Function {

Original file line number	Diff line number	Diff line change
`@@ -69,7 +69,7 @@ interface ArrayConstructor {`
`69`	`69`	`}`
`70`	`70`
`71`	`71`	`interface DateConstructor {`
`72`		`- new (value: Date): Date;`
	`72`	`+ new (value: number \| string \| Date): Date;`
`73`	`73`	`}`
`74`	`74`
`75`	`75`	`interface Function {`