Merge pull request #10 from AlexErrant/us-ascii

Add "us-ascii"

Author: Borewit

lib/index.ts

@@ -2,6 +2,7 @@ export type SupportedEncoding =
   | "utf-8"
   | "utf8"
   | "utf-16le"
+  | "us-ascii"
   | "ascii"
   | "latin1"
   | "iso-8859-1"
@@ -54,6 +55,7 @@ export function textDecode(
     }
     case "utf-16le":
       return decodeUTF16LE(bytes);
+    case "us-ascii":
     case "ascii":
       return decodeASCII(bytes);
     case "latin1":
@@ -78,6 +80,7 @@ export function textEncode(
     }
     case "utf-16le":
       return encodeUTF16LE(input);
+    case "us-ascii":
     case "ascii":
       return encodeASCII(input);
     case "latin1":