Advanced Js Mocking Patterns

Quality score: 70/100 · Category: General · Sub-category: general-misc

Advanced mocking patterns for Jest and Vitest including module mocking, spies, and fake timers. PROACTIVELY activate for: (1) Module mocking, (2) Partial mocking with spies, (3) Mock lifecycle management, (4) Fake timers for time-dependent code, (5) Complex mock implementations. Triggers: "jest.mock", "vi.mock", "spyOn", "fakeTimers", "mockImplementation", "mockReturnValue", "mock lifecycle"

What this skill does

Advanced Js Mocking Patterns is a production-ready Claude Code skill (quality score 70/100) in the general-misc sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/advanced-js-mocking-patterns/ and loads when your prompt matches the skill's trigger.

Who uses this skill

The Advanced Js Mocking Patterns skill is built for Claude Code users and developers across all disciplines looking for general-purpose AI assistance. 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/advanced-js-mocking-patterns
curl -L https://claudskills.com/skills/advanced-js-mocking-patterns/SKILL.md \
  -o ~/.claude/skills/advanced-js-mocking-patterns/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/advanced-js-mocking-patterns/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/advanced-js-mocking-patterns/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\advanced-js-mocking-patterns\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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Part of ClaudSkills — the open registry for Claude Code skills. · What's New · Install guide · About · llms.txt

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