added perf

index.js

@@ -1,4 +1,4 @@
 module.exports = {
-  decode: require("./decode"),
-  encode: require("./encode")
+  decode: require("./decode.js"),
+  encode: require("./encode.js")
 };

package.json

@@ -3,6 +3,11 @@
   "version": "0.0.1",
   "description": "Fast Run Length Encoder and Decoder",
   "main": "index.js",
+  "files": [
+    "index.js",
+    "encode.js",
+    "decode.js"
+  ],
   "scripts": {
     "format": "npx prettier --arrow-parens=avoid --trailing-comma=none --write *.js",
     "test": "node test"

test.js

@@ -1,6 +1,6 @@
 const test = require("flug");
 const decode = require("./decode");
-const encode = require("./encode");
+const encode = require("./encode.js");
 
 const decoded = [3, 3, 3, 3, 3, 8, 0, 0];
 const encoded = [5, 3, 1, 8, 2, 0];
@@ -30,3 +30,10 @@ test("encoded with chunking", ({ eq }) => {
   const actual = encode(decoded, { chunk: true });
   eq(actual, chunked);
 });
+
+const len = 10_000_000;
+const nums = new Uint8Array(len);
+for (let i = 0; i <= len; i++) nums[i] = Math.round(Math.random() * 3);
+test("perf", ({ eq }) => {
+  encode(nums);
+});