diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index fa65dc85..83d21d57 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -37,3 +37,15 @@ updates:
       - lopopolo
     labels:
       - A-deps
+  - package-ecosystem: npm
+    directory: "/"
+    schedule:
+      interval: monthly
+    groups:
+      npm-deps:
+        patterns:
+          - "*"
+    assignees:
+      - lopopolo
+    labels:
+      - A-deps
diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 8d359c53..3dd3737a 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -204,6 +204,14 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v4.1.1
 
+      - name: Setup Node.js runtime
+        uses: actions/setup-node@v4.0.1
+        with:
+          node-version: "lts/*"
+
+      - name: Install toolchain
+        run: npm ci
+
       - name: Format with prettier
         run: npx prettier --check '**/*'
 
diff --git a/.gitignore b/.gitignore
index d590539b..60680792 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,145 @@
-# Created by https://www.toptal.com/developers/gitignore/api/vim,rust,ruby
-# Edit at https://www.toptal.com/developers/gitignore?templates=vim,rust,ruby
+# Created by https://www.toptal.com/developers/gitignore/api/vim,ruby,rust,node
+# Edit at https://www.toptal.com/developers/gitignore?templates=vim,ruby,rust,node
+
+### Node ###
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+lerna-debug.log*
+.pnpm-debug.log*
+
+# Diagnostic reports (https://nodejs.org/api/report.html)
+report.[0-9]*.[0-9]*.[0-9]*.[0-9]*.json
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+*.lcov
+
+# nyc test coverage
+.nyc_output
+
+# Grunt intermediate storage (https://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# Bower dependency directory (https://bower.io/)
+bower_components
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (https://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directories
+node_modules/
+jspm_packages/
+
+# Snowpack dependency directory (https://snowpack.dev/)
+web_modules/
+
+# TypeScript cache
+*.tsbuildinfo
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Optional stylelint cache
+.stylelintcache
+
+# Microbundle cache
+.rpt2_cache/
+.rts2_cache_cjs/
+.rts2_cache_es/
+.rts2_cache_umd/
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+# dotenv environment variable files
+.env
+.env.development.local
+.env.test.local
+.env.production.local
+.env.local
+
+# parcel-bundler cache (https://parceljs.org/)
+.cache
+.parcel-cache
+
+# Next.js build output
+.next
+out
+
+# Nuxt.js build / generate output
+.nuxt
+dist
+
+# Gatsby files
+.cache/
+# Comment in the public line in if your project uses Gatsby and not Next.js
+# https://nextjs.org/blog/next-9-1#public-directory-support
+# public
+
+# vuepress build output
+.vuepress/dist
+
+# vuepress v2.x temp and cache directory
+.temp
+
+# Docusaurus cache and generated files
+.docusaurus
+
+# Serverless directories
+.serverless/
+
+# FuseBox cache
+.fusebox/
+
+# DynamoDB Local files
+.dynamodb/
+
+# TernJS port file
+.tern-port
+
+# Stores VSCode versions used for testing VSCode extensions
+.vscode-test
+
+# yarn v2
+.yarn/cache
+.yarn/unplugged
+.yarn/build-state.yml
+.yarn/install-state.gz
+.pnp.*
+
+### Node Patch ###
+# Serverless Webpack directories
+.webpack/
+
+# Optional stylelint cache
+
+# SvelteKit build / generate output
+.svelte-kit
 
 ### Ruby ###
 *.gem
@@ -95,7 +235,7 @@ tags
 # Persistent undo
 [._]*.un~
 
-# End of https://www.toptal.com/developers/gitignore/api/vim,rust,ruby
+# End of https://www.toptal.com/developers/gitignore/api/vim,ruby,rust,node
 
 # Overrides
 
diff --git a/.node-version b/.node-version
new file mode 100644
index 00000000..b009dfb9
--- /dev/null
+++ b/.node-version
@@ -0,0 +1 @@
+lts/*
diff --git a/package-lock.json b/package-lock.json
new file mode 100644
index 00000000..033bed95
--- /dev/null
+++ b/package-lock.json
@@ -0,0 +1,30 @@
+{
+  "name": "@artichokeruby/intaglio",
+  "version": "0.0.0",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "@artichokeruby/intaglio",
+      "version": "0.0.0",
+      "devDependencies": {
+        "prettier": "^3.2.5"
+      }
+    },
+    "node_modules/prettier": {
+      "version": "3.2.5",
+      "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.2.5.tgz",
+      "integrity": "sha512-3/GWa9aOC0YeD7LUfvOG2NiDyhOWRvt1k+rcKhOuYnMY24iiCphgneUfJDyFXd6rZCAnuLBv6UeAULtrhT/F4A==",
+      "dev": true,
+      "bin": {
+        "prettier": "bin/prettier.cjs"
+      },
+      "engines": {
+        "node": ">=14"
+      },
+      "funding": {
+        "url": "https://github.com/prettier/prettier?sponsor=1"
+      }
+    }
+  }
+}
diff --git a/package.json b/package.json
new file mode 100644
index 00000000..1f5c51b0
--- /dev/null
+++ b/package.json
@@ -0,0 +1,22 @@
+{
+  "name": "@artichokeruby/intaglio",
+  "version": "0.0.0",
+  "private": true,
+  "description": "UTF-8 string and byte string interner and symbol table",
+  "keywords": [
+    "intern",
+    "interner",
+    "symbol",
+    "rust"
+  ],
+  "repository": "github:artichoke/intaglio",
+  "author": "Ryan Lopopolo <rjl@hyperbo.la> (https://hyperbo.la/)",
+  "homepage": "https://www.artichokeruby.org",
+  "bugs": "https://github.com/artichoke/intaglio/issues",
+  "devDependencies": {
+    "prettier": "^3.2.5"
+  },
+  "scripts": {
+    "fmt": "prettier --write \"**/*\""
+  }
+}