simpler type

0xadada · Nov 24, 2019 · 8b3d616 · 8b3d616
1 parent 1953c19
commit 8b3d616
Showing 1 changed file with 2 additions and 7 deletions.
diff --git a/src/index.ts b/src/index.ts
@@ -1,9 +1,4 @@
-interface NamedCharRange {
-  emoticons: string;
-  food: string;
-  animals: string;
-  expressions: string;
-}
+type NamedCharRange = 'emoticons' | 'food' | 'animals' | 'expressions';
 
 const CHAR_RANGE = {
   emoticons: [0x1f600, 0x1f64f],
@@ -12,7 +7,7 @@ const CHAR_RANGE = {
   expressions: [0x1f910, 0x1f92f]
 };
 
-const random = function(range: keyof NamedCharRange = 'emoticons'): string {
+const random = function(range: NamedCharRange = 'emoticons'): string {
   const [max, min] = CHAR_RANGE[range];
   const codePoint = Math.floor(Math.random() * (max - min) + min);
   return String.fromCodePoint(codePoint);