@git.zone/tsdeno

Documentation for @git.zone/tsdeno

readme.md for @git.zone/tsdeno

A smart wrapper around deno compile that isolates package.json during compilation — preventing devDependencies from inflating your binary by hundreds of megabytes.

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Install

# Global install (recommended for CLI usage)
npm install -g @git.zone/tsdeno

# Or as a project dev dependency
pnpm install --save-dev @git.zone/tsdeno

🔥 The Problem

When you run deno compile in a project that has a package.json, Deno resolves every dependency listed — including devDependencies. It does not distinguish between dependencies and devDependencies. This means build tools like:

...all get bundled into your compiled executable, even though they're never imported at runtime.

A real-world example: a Deno server binary went from 596 MB to 1022 MB — with 426 MB of pure dead weight from dev-only build tools.

The root cause: Deno reads package.json and resolves the full dependency graph into its global cache, then embeds everything when compiling. There is no --omit=dev flag, no config to skip devDependencies, and --node-modules-dir=none alone doesn't help if package.json is present.

✅ The Solution

tsdeno compile wraps deno compile with a simple but effective strategy:

  1. Temporarily renames package.json → package.json.bak
  2. Adds --node-modules-dir=none automatically (uses Deno's global cache instead of local node_modules)
  3. Runs deno compile with all your arguments passed through
  4. Restores package.json — guaranteed, even if compilation fails (try/finally)

With package.json hidden, Deno only resolves dependencies declared in deno.json via npm: specifiers — which are your actual runtime dependencies.

Usage

CLI — Passthrough Mode

Drop-in replacement — just swap deno compile for tsdeno compile:

# Before (bloated binary):
deno compile --allow-all --no-check --output myapp mod.ts

# After (lean binary):
tsdeno compile --allow-all --no-check --output myapp mod.ts

All deno compile flags are passed through untouched. Cross-compilation works the same way:

tsdeno compile --allow-all --no-check \
  --output dist/myapp-linux-x64 \
  --target x86_64-unknown-linux-gnu \
  mod.ts

tsdeno compile --allow-all --no-check \
  --output dist/myapp-macos-arm64 \
  --target aarch64-apple-darwin \
  mod.ts

CLI — Config Mode (.smartconfig.json)

For projects with multiple compile targets, define them in .smartconfig.json instead of writing long CLI commands. Just run tsdeno compile with no arguments:

tsdeno compile

tsdeno reads compile targets from the @git.zone/tsdeno key in your .smartconfig.json:

{
  "@git.zone/tsdeno": {
    "compileTargets": [
      {
        "name": "myapp-linux-x64",
        "entryPoint": "mod.ts",
        "outDir": "./dist",
        "target": "x86_64-unknown-linux-gnu",
        "permissions": ["--allow-all"],
        "noCheck": true
      },
      {
        "name": "myapp-macos-arm64",
        "entryPoint": "mod.ts",
        "outDir": "./dist",
        "target": "aarch64-apple-darwin",
        "permissions": ["--allow-all"],
        "noCheck": true
      }
    ]
  }
}

Each compile target supports these fields:

Field Type Required Description
name string ✅ Output binary name (combined with outDir for path)
entryPoint string ✅ Path to the entry TypeScript file
outDir string ✅ Directory for the compiled output
target string ✅ Deno compile target triple (e.g. x86_64-unknown-linux-gnu)
permissions string[] ❌ Deno permission flags (e.g. ["--allow-all"])
noCheck boolean ❌ Skip type checking (--no-check)

In config mode, package.json is hidden once for the entire batch — all targets compile in sequence with a single hide/restore cycle.

Programmatic API

You can also use tsdeno as a library in your build scripts:

import { TsDeno } from '@git.zone/tsdeno';

const tsDeno = new TsDeno(); // uses process.cwd()
// or: new TsDeno('/path/to/project')

// Passthrough mode — pass args directly
await tsDeno.compile([
  '--allow-all',
  '--no-check',
  '--output', 'dist/myapp',
  '--target', 'x86_64-unknown-linux-gnu',
  'mod.ts',
]);

// Config mode — reads compile targets from .smartconfig.json
await tsDeno.compileFromConfig();

The TsDeno class handles the full package.json isolation lifecycle automatically.

CI/CD Integration

Example Gitea/GitHub Actions workflow:

steps:
  - name: Set up Deno
    uses: denoland/setup-deno@v1
    with:
      deno-version: v2.x

  - name: Set up Node.js
    uses: actions/setup-node@v4
    with:
      node-version: '22'

  - name: Install tsdeno
    run: npm install -g @git.zone/tsdeno

  - name: Compile binary
    run: tsdeno compile --allow-all --no-check --output myapp mod.ts

🧠 How It Works — Deep Dive

Why package.json Causes Bloat

Deno projects often have both deno.json (with npm: import specifiers for runtime deps) and a package.json (for npm publishing, scripts like tswatch/tsbundle, etc.). When deno compile runs:

  1. Deno discovers package.json and resolves all listed packages (deps + devDeps)
  2. These get cached in Deno's global npm cache
  3. deno compile embeds everything it resolved — the full transitive closure
  4. Your binary now contains build tools, linters, test frameworks, etc.

What tsdeno Does Differently

By hiding package.json during compilation, Deno falls back to resolving only the npm: specifiers in your deno.json. These are your intentionally declared runtime dependencies. Combined with --node-modules-dir=none (which prevents Deno from creating/reading a local node_modules), the result is a clean binary with only what you actually import.

Safety Guarantees

This repository contains open-source code licensed under the MIT License. A copy of the license can be found in the license file.

Please note: The MIT License does not grant permission to use the trade names, trademarks, service marks, or product names of the project, except as required for reasonable and customary use in describing the origin of the work and reproducing the content of the NOTICE file.

Trademarks

This project is owned and maintained by Task Venture Capital GmbH. The names and logos associated with Task Venture Capital GmbH and any related products or services are trademarks of Task Venture Capital GmbH or third parties, and are not included within the scope of the MIT license granted herein.

Use of these trademarks must comply with Task Venture Capital GmbH's Trademark Guidelines or the guidelines of the respective third-party owners, and any usage must be approved in writing. Third-party trademarks used herein are the property of their respective owners and used only in a descriptive manner, e.g. for an implementation of an API or similar.

Company Information

Task Venture Capital GmbH Registered at District Court Bremen HRB 35230 HB, Germany

By using this repository, you acknowledge that you have read this section, agree to comply with its terms, and understand that the licensing of the code does not imply endorsement by Task Venture Capital GmbH of any derivative works.

changelog.md for @git.zone/tsdeno

2026-03-24 - 1.3.1 - fix(config)

rename smartconfig metadata file and update config-based compile references

2026-03-24 - 1.3.0 - feat(config)

switch compile target configuration from npmextra to smartconfig

2026-03-15 - 1.2.0 - feat(readme)

document config-based compile targets via npmextra.json

2026-03-15 - 1.1.1 - fix(repository)

no changes to commit

2026-03-15 - 1.1.0 - feat(cli)

add npmextra-based compile target configuration for deno builds

2026-03-15 - 1.0.1 - fix(repo)

no changes to commit

2026-03-15 - 1.0.0 - release

Initial release of @git.zone/tsdeno, a Deno compile wrapper that strips package.json to prevent devDependency bloat.