Common Lwc Runtime Errors

Quality score: 70/100 · Category: Security · Sub-category: zero-trust

type:debug

Diagnose and fix runtime errors in Lightning Web Components including wire adapter failures, shadow DOM boundary violations, event propagation mistakes, async rendering timing bugs, NavigationMixin errors, Lightning Locker vs Lightning Web Security conflicts, and slot projection problems. Triggers: 'wire adapter returns undefined', 'querySelector returns null in LWC', 'custom event not received by parent', 'LWC component not rendering after connected callback', 'NavigationMixin page reference error'. NOT for LWC fundamentals, build/deployment errors, or Aura component debugging.

What this skill does

Common Lwc Runtime Errors is a production-ready Claude Code skill (quality score 70/100) in the zero-trust sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/common-lwc-runtime-errors/ and loads when your prompt matches the skill's trigger.

Who uses this skill

The Common Lwc Runtime Errors skill is built for security engineers, penetration testers, DevSecOps practitioners, and development teams hardening codebases and infrastructure. It is part of the open ClaudSkills registry, a community-curated catalog of 15,000+ capabilities you can install for Claude Code — the Claude CLI agent.

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/common-lwc-runtime-errors
curl -L https://claudskills.com/skills/common-lwc-runtime-errors/SKILL.md \
  -o ~/.claude/skills/common-lwc-runtime-errors/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/common-lwc-runtime-errors/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/common-lwc-runtime-errors/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\common-lwc-runtime-errors\SKILL.md on Windows. See the full install guide for step-by-step instructions.

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

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