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Deno

Build with Deno runtime avoiding permission gotchas, URL import traps, and Node.js migration pitfalls.

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High Signal

Build with Deno runtime avoiding permission gotchas, URL import traps, and Node.js migration pitfalls.

โฌ‡ 0 downloads โ˜… 0 stars Unverified but indexed

Install for OpenClaw

Quick setup
  1. Download the package from Yavira.
  2. Extract the archive and review SKILL.md first.
  3. Import or place the package into your OpenClaw setup.

Requirements

Target platform
OpenClaw
Install method
Manual import
Extraction
Extract archive
Prerequisites
OpenClaw
Primary doc
SKILL.md

Package facts

Download mode
Yavira redirect
Package format
ZIP package
Source platform
Tencent SkillHub
What's included
SKILL.md, imports.md, node-compat.md, permissions.md

Validation

  • Use the Yavira download entry.
  • Review SKILL.md after the package is downloaded.
  • Confirm the extracted package contains the expected setup assets.

Install with your agent

Agent handoff

Hand the extracted package to your coding agent with a concrete install brief instead of figuring it out manually.

  1. Download the package from Yavira.
  2. Extract it into a folder your agent can access.
  3. Paste one of the prompts below and point your agent at the extracted folder.
New install

I downloaded a skill package from Yavira. Read SKILL.md from the extracted folder and install it by following the included instructions. Tell me what you changed and call out any manual steps you could not complete.

Upgrade existing

I downloaded an updated skill package from Yavira. Read SKILL.md from the extracted folder, compare it with my current installation, and upgrade it while preserving any custom configuration unless the package docs explicitly say otherwise. Summarize what changed and any follow-up checks I should run.

Trust & source

Release facts

Source
Tencent SkillHub
Verification
Indexed source record
Version
1.0.0

Documentation

ClawHub primary doc Primary doc: SKILL.md 9 sections Open source page

When to Use

User needs Deno expertise โ€” secure TypeScript runtime with permissions model. Agent handles permission configuration, dependency management via URLs/npm, and migration from Node.js.

Quick Reference

TopicFilePermission systempermissions.mdImports and dependenciesimports.mdNode.js migrationnode-compat.md

Permission Traps

--allow-all in development โ€” then production crashes because you don't know what permissions you actually need --allow-read without path โ€” grants access to entire filesystem, security hole --allow-run without list โ€” subprocess can run anything, specify: --allow-run=git,npm --allow-env without list โ€” leaks all env vars, specify: --allow-env=API_KEY,DATABASE_URL --allow-net without list โ€” can connect anywhere, specify hosts: --allow-net=api.example.com Missing permission in CI โ€” hangs waiting for prompt that never comes, add --no-prompt

Import Traps

Remote URLs in production โ€” network failure = app won't start, vendor dependencies locally No lockfile by default โ€” deps can change between runs, always use deno.lock @^1.0.0 semver syntax doesn't exist โ€” use exact URLs or import maps Import maps in wrong place โ€” must be in deno.json, not separate file (Deno 2.x) HTTPS required โ€” HTTP imports blocked by default, most CDNs work but self-hosted may not URL typo โ€” no error until runtime when import fails

TypeScript Traps

.ts extension required in imports โ€” model generates extensionless imports that fail tsconfig.json paths ignored โ€” Deno uses import maps in deno.json, not tsconfig Type-only imports โ€” must use import type or bundler may fail Decorators โ€” experimental, different from tsc behavior /// <reference> โ€” handled differently than tsc, may be ignored

Deployment Traps

deno compile includes runtime โ€” binary is 50MB+ minimum --cached-only requires prior cache โ€” fresh server needs deno cache first Deno Deploy limitations โ€” no filesystem, no subprocess, no FFI Environment variables โ€” different API: Deno.env.get("VAR") not process.env.VAR Signals โ€” Deno.addSignalListener not process.on("SIGTERM")

Testing Traps

Deno.test different from Jest โ€” no describe, different assertions Async test without await โ€” test passes before promise resolves Resource leaks โ€” tests fail if you don't close files/connections Permissions in tests โ€” test may need different permissions than main code Snapshot testing โ€” format differs from Jest snapshots

npm Compatibility Traps

npm: specifier โ€” works for most packages but native addons fail node: specifier required โ€” import fs from 'fs' fails, need import fs from 'node:fs' node_modules optional โ€” enable with "nodeModulesDir": true in deno.json package.json scripts โ€” not automatically supported, use deno.json tasks Peer dependencies โ€” handled differently, may get wrong versions

Runtime Differences

Deno.readTextFile vs fs.readFile โ€” different API, different error types fetch is global โ€” no import needed, unlike Node 18- Top-level await โ€” works everywhere, no wrapper needed Permissions at runtime โ€” can request dynamically but user must approve

Category context

Code helpers, APIs, CLIs, browser automation, testing, and developer operations.

Source: Tencent SkillHub

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Package contents

Included in package
4 Docs
  • SKILL.md Primary doc
  • imports.md Docs
  • node-compat.md Docs
  • permissions.md Docs