diff --git a/.gitignore b/.gitignore
index 2bab528..09a8a9a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,3 +8,4 @@ Gemfile.lock
 .DS_Store
 .backup_*/
 vendor/bundle/
+node_modules/
diff --git a/binop.mjs b/binop.mjs
index 90979ea..9292fd7 100644
--- a/binop.mjs
+++ b/binop.mjs
@@ -13,7 +13,7 @@
  *   {inclusive, exclusive}-scans across a subgroup
  */
 
-class BinOp {
+export class BinOp {
   constructor(args) {
     // no defaults! if something is undefined, go with it
     Object.assign(this, args);
diff --git a/index.d.ts b/index.d.ts
index c1593ba..53d75d9 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -24,6 +24,42 @@ export class BasePrimitive {
   registerBuffer(args: { label: string; buffer: any; device?: GPUDevice }): void;
 }
 
+export class Kernel {
+  label: string;
+  kernel: string | ((args?: { [key: string]: any }) => string);
+
+  constructor(
+    args:
+      | ((args?: { [key: string]: any }) => string)
+      | {
+          kernel: string | ((args?: { [key: string]: any }) => string);
+          label?: string;
+          [key: string]: any;
+        }
+  );
+
+  enabled(): boolean;
+}
+
+export class AllocateBuffer {
+  label: string;
+  size: number;
+
+  constructor(args: {
+    label: string;
+    size: number;
+    usage?: number;
+    [key: string]: any;
+  });
+}
+
+export class WriteGPUBuffer {
+  label: string;
+  cpuSource: any;
+
+  constructor(args: { label: string; cpuSource: any; [key: string]: any });
+}
+
 export class Buffer {
   label: string;
   device: GPUDevice;
diff --git a/package-lock.json b/package-lock.json
new file mode 100644
index 0000000..c1d6b22
--- /dev/null
+++ b/package-lock.json
@@ -0,0 +1,60 @@
+{
+  "name": "gridwise",
+  "version": "0.1.0",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "gridwise",
+      "version": "0.1.0",
+      "license": "Apache-2.0",
+      "devDependencies": {
+        "webgpu": "^0.4.0"
+      }
+    },
+    "node_modules/@webgpu/types": {
+      "version": "0.1.71",
+      "resolved": "https://registry.npmjs.org/@webgpu/types/-/types-0.1.71.tgz",
+      "integrity": "sha512-mMy8/ODcKhab808co15eW+yN+HgXoQxRQHTiBV9Mrvl1r0ufnid7YOcI+gi4eUWSWl9ezD6TW2KXccrL8HCh2A==",
+      "dev": true,
+      "license": "BSD-3-Clause"
+    },
+    "node_modules/debug": {
+      "version": "4.4.3",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-4.4.3.tgz",
+      "integrity": "sha512-RGwwWnwQvkVfavKVt22FGLw+xYSdzARwm0ru6DhTVA3umU5hZc28V3kO4stgYryrTlLpuvgI9GiijltAjNbcqA==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "ms": "^2.1.3"
+      },
+      "engines": {
+        "node": ">=6.0"
+      },
+      "peerDependenciesMeta": {
+        "supports-color": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/ms": {
+      "version": "2.1.3",
+      "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
+      "integrity": "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA==",
+      "dev": true,
+      "license": "MIT"
+    },
+    "node_modules/webgpu": {
+      "version": "0.4.0",
+      "resolved": "https://registry.npmjs.org/webgpu/-/webgpu-0.4.0.tgz",
+      "integrity": "sha512-F5pimn3Aoi0zWjuRdiVs5TnrUwSzD2lESBohsIUsqyitWkGRQlXU2fhV6ycXlQTa1bvAf3sjqiUpBEpmSQ5ptA==",
+      "dev": true,
+      "hasInstallScript": true,
+      "license": "MIT",
+      "dependencies": {
+        "@webgpu/types": "^0.1.69",
+        "debug": "^4.4.0"
+      }
+    }
+  }
+}
diff --git a/package.json b/package.json
index 131e3de..5c6bcaa 100644
--- a/package.json
+++ b/package.json
@@ -6,7 +6,10 @@
   "main": "./index.mjs",
   "types": "./index.d.ts",
   "exports": {
-    ".": "./index.mjs"
+    ".": {
+      "types": "./index.d.ts",
+      "import": "./index.mjs"
+    }
   },
   "scripts": {
     "test:node": "node examples/regression_node.mjs",
@@ -33,6 +36,7 @@
     "datatype.mjs",
     "LICENSE.txt"
   ],
+  "sideEffects": false,
   "repository": {
     "type": "git",
     "url": "git+https://github.com/gridwise-js/gridwise.git"
@@ -48,7 +52,6 @@
     "reduce",
     "gpgpu"
   ],
-  "author": "",
   "license": "Apache-2.0",
   "bugs": {
     "url": "https://github.com/gridwise-js/gridwise/issues"