Increase type safety

kourge · kourge · commit cfe9c7799f8b · 2017-03-23T14:05:06.000-07:00
diff --git a/src/index.ts b/src/index.ts
@@ -3,7 +3,7 @@ export function Enum<
     T extends { [_: string]: V },
     V extends string
 >(definition: T): T;
-export function Enum(...values: any[]): any {
+export function Enum(...values: any[]): object {
     if (typeof values[0] === "string") {
         const result: any = {};
         for (const value of values) {
@@ -15,4 +15,4 @@ export function Enum(...values: any[]): any {
     }
 }
 
-export type Enum<T> = T[keyof T];
+export type Enum<T extends object> = T[keyof T];

Original file line number	Diff line number	Diff line change
`@@ -3,7 +3,7 @@ export function Enum<`
`3`	`3`	`T extends { [_: string]: V },`
`4`	`4`	`V extends string`
`5`	`5`	`>(definition: T): T;`
`6`		`-export function Enum(...values: any[]): any {`
	`6`	`+export function Enum(...values: any[]): object {`
`7`	`7`	`if (typeof values[0] === "string") {`
`8`	`8`	`const result: any = {};`
`9`	`9`	`for (const value of values) {`
`@@ -15,4 +15,4 @@ export function Enum(...values: any[]): any {`
`15`	`15`	`}`
`16`	`16`	`}`
`17`	`17`
`18`		`-export type Enum<T> = T[keyof T];`
	`18`	`+export type Enum<T extends object> = T[keyof T];`