diff --git a/.github/workflows/test-node.yml b/.github/workflows/test-node.yml
new file mode 100644
index 0000000..6be0cac
--- /dev/null
+++ b/.github/workflows/test-node.yml
@@ -0,0 +1,27 @@
+name: Test (Node)
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+  workflow_dispatch:
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 22.x
+      - name: Install deps
+        run: |
+          npx jsr install
+      - name: Test
+        run: |
+          npx --yes tsx --test *_test.ts
+          npx --yes tsx --test async/*_test.ts
+          npx --yes tsx --test pipe/*_test.ts
+          npx --yes tsx --test pipe/async/*_test.ts
+        timeout-minutes: 5
diff --git a/.gitignore b/.gitignore
index 4e4b189..eabbba7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 /docs
 deno.lock
 .coverage
+node_modules
diff --git a/.npmrc b/.npmrc
new file mode 100644
index 0000000..41583e3
--- /dev/null
+++ b/.npmrc
@@ -0,0 +1 @@
+@jsr:registry=https://npm.jsr.io
diff --git a/package-lock.json b/package-lock.json
new file mode 100644
index 0000000..19a54a0
--- /dev/null
+++ b/package-lock.json
@@ -0,0 +1,87 @@
+{
+  "name": "pipe",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "dependencies": {
+        "@cross/test": "npm:@jsr/cross__test@^0.0.9",
+        "@std/assert": "npm:@jsr/std__assert@^1.0.2",
+        "@std/testing": "npm:@jsr/std__testing@^1.0.0-rc.5"
+      }
+    },
+    "node_modules/@cross/test": {
+      "name": "@jsr/cross__test",
+      "version": "0.0.9",
+      "resolved": "https://npm.jsr.io/~/11/@jsr/cross__test/0.0.9.tgz",
+      "integrity": "sha512-zwDSXQHw8n6k/gBj1Q67Td34Lb1PfkzLTggXnNZzcRO9SxcdAlzyOKFCF62kTFM7ZjVPqYvqu2gHzMLtj6cayw==",
+      "dependencies": {
+        "@jsr/cross__runtime": "^1.0.0"
+      }
+    },
+    "node_modules/@jsr/cross__runtime": {
+      "version": "1.0.0",
+      "resolved": "https://npm.jsr.io/~/11/@jsr/cross__runtime/1.0.0.tgz",
+      "integrity": "sha512-wUtjVBTk65ae4AKQRnxD5x3h4vVmopdKAYie/uS01Qolii2XQ81bKtRTvJ4kx133GYYgIAgyl3ihQ0OK8LcPmQ=="
+    },
+    "node_modules/@jsr/std__assert": {
+      "version": "1.0.2",
+      "resolved": "https://npm.jsr.io/~/11/@jsr/std__assert/1.0.2.tgz",
+      "integrity": "sha512-xujHXXeT3zvMNZeCXiDyfiITaqP4rgH8wqHNUD0Iyr4c2R0Ea//zJ4pASA1utIEIxeVu1jpeSlHU4+pagscqgQ==",
+      "dependencies": {
+        "@jsr/std__internal": "^1.0.1"
+      }
+    },
+    "node_modules/@jsr/std__async": {
+      "version": "1.0.3",
+      "resolved": "https://npm.jsr.io/~/11/@jsr/std__async/1.0.3.tgz",
+      "integrity": "sha512-j5NZqYHN/czhfjBKh0jvPU5IRhP3Y5Lk7X3qL5ghw0gDSwI8h/kzlxSMV98ML0L6tXN9SvZU8lqa8Q5evtL4sA=="
+    },
+    "node_modules/@jsr/std__data-structures": {
+      "version": "1.0.1",
+      "resolved": "https://npm.jsr.io/~/11/@jsr/std__data-structures/1.0.1.tgz",
+      "integrity": "sha512-rxVsLaPwJEZNqVAfvOSfVw9WKgLwzUgwUIs7aMjKogGSPBSJkwXED6a3zL4eIrXQR+HR3+E0/Y10XYifu0gHkw=="
+    },
+    "node_modules/@jsr/std__fs": {
+      "version": "1.0.1",
+      "resolved": "https://npm.jsr.io/~/11/@jsr/std__fs/1.0.1.tgz",
+      "integrity": "sha512-QXNJz3X3IBYhxC1KEhtNPCUrtS8bofqxlVVN8ONrWXm0V9LbaJKJzsKsH3Z2KvdDmdHF3u+sNjRpafbJkOYedg==",
+      "dependencies": {
+        "@jsr/std__path": "^1.0.2"
+      }
+    },
+    "node_modules/@jsr/std__internal": {
+      "version": "1.0.1",
+      "resolved": "https://npm.jsr.io/~/11/@jsr/std__internal/1.0.1.tgz",
+      "integrity": "sha512-ssI1kvluIero6cCfiWNmYItqCR8QpQB+STBJoe/xQVZ79SDpoqjK5VF2Eq/2M+Dz8WbqHVmrXRCaGN162x+Ebw=="
+    },
+    "node_modules/@jsr/std__path": {
+      "version": "1.0.2",
+      "resolved": "https://npm.jsr.io/~/11/@jsr/std__path/1.0.2.tgz",
+      "integrity": "sha512-VadQVUlJZhIjRi8RcDQcNzqKcowfEdqntIXhphae0MeHaC1y60OiFealO25WTzBTHqBC58KFNlM7KWH+tepgOg=="
+    },
+    "node_modules/@std/assert": {
+      "name": "@jsr/std__assert",
+      "version": "1.0.2",
+      "resolved": "https://npm.jsr.io/~/11/@jsr/std__assert/1.0.2.tgz",
+      "integrity": "sha512-xujHXXeT3zvMNZeCXiDyfiITaqP4rgH8wqHNUD0Iyr4c2R0Ea//zJ4pASA1utIEIxeVu1jpeSlHU4+pagscqgQ==",
+      "dependencies": {
+        "@jsr/std__internal": "^1.0.1"
+      }
+    },
+    "node_modules/@std/testing": {
+      "name": "@jsr/std__testing",
+      "version": "1.0.0-rc.5",
+      "resolved": "https://npm.jsr.io/~/11/@jsr/std__testing/1.0.0-rc.5.tgz",
+      "integrity": "sha512-p4Fa2fFk3qS9VMkpCCTmo/Jgwz7h6+iXBPbDVSgy2lbAyBDGWVw8d4S0qx8i7O6TQkSgEHyB4bP9z8HYao7NyQ==",
+      "dependencies": {
+        "@jsr/std__assert": "^1.0.1",
+        "@jsr/std__async": "^1.0.1",
+        "@jsr/std__data-structures": "^1.0.1",
+        "@jsr/std__fs": "^1.0.0",
+        "@jsr/std__internal": "^1.0.1",
+        "@jsr/std__path": "^1.0.2"
+      }
+    }
+  }
+}
diff --git a/package.json b/package.json
new file mode 100644
index 0000000..03bac82
--- /dev/null
+++ b/package.json
@@ -0,0 +1,8 @@
+{
+  "type": "module",
+  "dependencies": {
+    "@cross/test": "npm:@jsr/cross__test@^0.0.9",
+    "@std/assert": "npm:@jsr/std__assert@^1.0.2",
+    "@std/testing": "npm:@jsr/std__testing@^1.0.0-rc.5"
+  }
+}