diff --git a/.github/workflows/release-please.yml b/.github/workflows/release-please.yml
index 60d425d..4454fc9 100644
--- a/.github/workflows/release-please.yml
+++ b/.github/workflows/release-please.yml
@@ -49,3 +49,9 @@ jobs:
         env:
           NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}
         if: ${{ steps.release.outputs.release_created }}
+
+      - name: Publish to JSR
+        run: |
+          npm run build --if-present
+          npx jsr publish
+        if: ${{ steps.release.outputs.release_created }}
\ No newline at end of file
diff --git a/jsr.json b/jsr.json
new file mode 100644
index 0000000..66b1a93
--- /dev/null
+++ b/jsr.json
@@ -0,0 +1,21 @@
+{
+  "name": "@luanrt/googlevideo",
+  "version": "1.1.0",
+  "exports": "./src/index.ts",
+  "imports": {
+    "@bufbuild/protobuf": "npm:@bufbuild/protobuf@^2.0.0"
+  },
+  "publish": {
+    "include": [
+      "LICENSE",
+      "README.md",
+      "protos/generated/**/*.ts",
+      "src/**/*.ts"
+    ],
+    "exclude": [
+      "test",
+      "scripts",
+      "examples"
+    ]
+  }
+}
\ No newline at end of file
diff --git a/package.json b/package.json
index 6260a78..617c144 100644
--- a/package.json
+++ b/package.json
@@ -7,34 +7,35 @@
   "types": "./dist/src/index.d.ts",
   "module": "./dist/src/index.js",
   "scripts": {
+    "watch": "npx tsc --watch",
     "lint": "npx eslint ./src/**/*.ts",
     "lint:fix": "npx eslint --fix ./src/**/*.ts",
-    "clean": "npx rimraf ./dist ./bundle ./protos/generated",
-    "build": "npm run clean && npm run lint && npm run build:proto && npm run build:esm && npm run bundle:node",
+    "clean": "npx rimraf ./dist ./protos/generated",
+    "build": "npm run clean && npm run lint && npm run build:proto && npm run build:esm",
     "build:esm": "npx tsc",
     "build:proto": "node ./dev-scripts/generate-proto.mjs",
-    "bundle:node": "npx esbuild ./dist/src/index.js --bundle --outfile=./bundle/index.cjs --platform=node --target=node16 --format=cjs --sourcemap --banner:js=\"/* eslint-disable */\"",
     "prepare": "npm run build"
   },
-  "repository": {
-    "type": "git",
-    "url": "git+https://github.com/LuanRT/GoogleVideo.git"
-  },
+  "author": "LuanRT <luan.lrt4@gmail.com> (https://github.com/LuanRT)",
+  "funding": [
+    "https://github.com/sponsors/LuanRT"
+  ],
   "keywords": [
     "UMP",
     "SABR",
     "Google",
     "YouTube"
   ],
-  "author": "LuanRT <luan.lrt4@gmail.com> (https://github.com/LuanRT)",
   "license": "MIT",
-  "bugs": {
-    "url": "https://github.com/LuanRT/GoogleVideo/issues"
+  "exports": {
+    ".": {
+      "node": {
+        "import": "./dist/src/index.js"
+      },
+      "types": "./dist/src/index.d.ts",
+      "default": "./dist/src/index.js"
+    }
   },
-  "homepage": "https://github.com/LuanRT/GoogleVideo#readme",
-  "funding": [
-    "https://github.com/sponsors/LuanRT"
-  ],
   "devDependencies": {
     "@eslint/js": "^9.9.0",
     "@stylistic/eslint-plugin": "^2.6.4",
@@ -46,14 +47,15 @@
     "typescript": "^5.5.4",
     "typescript-eslint": "^8.2.0"
   },
-  "exports": {
-    ".": {
-      "types": "./dist/src/index.d.ts",
-      "import": "./dist/src/index.js",
-      "require": "./bundle/index.cjs"
-    }
-  },
   "dependencies": {
     "@bufbuild/protobuf": "^2.0.0"
+  },
+  "bugs": {
+    "url": "https://github.com/LuanRT/GoogleVideo/issues"
+  },
+  "homepage": "https://github.com/LuanRT/GoogleVideo#readme",
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/LuanRT/GoogleVideo.git"
   }
-}
+}
\ No newline at end of file
diff --git a/src/core/UMP.ts b/src/core/UMP.ts
index 6d7f071..9bad348 100644
--- a/src/core/UMP.ts
+++ b/src/core/UMP.ts
@@ -113,7 +113,6 @@ export class UMP {
   }
 
   public canReadFromCurrentChunk(offset: number, length: number): boolean {
-    this.chunkedDataBuffer.isFocused(offset);
     return offset - this.chunkedDataBuffer.currentChunkOffset + length <= this.chunkedDataBuffer.chunks[this.chunkedDataBuffer.currentChunkIndex].length;
   }
 
diff --git a/src/utils/helpers.ts b/src/utils/helpers.ts
index 94a0c79..8fbd91b 100644
--- a/src/utils/helpers.ts
+++ b/src/utils/helpers.ts
@@ -90,7 +90,7 @@ export class CustomEvent extends Event {
     this.#detail = options?.detail ?? null;
   }
 
-  get detail() {
+  get detail(): any[] | null {
     return this.#detail;
   }
 }
\ No newline at end of file