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Strict performance rules for lists — FlashList, stable renderItem, extracted item components, and naming patterns.

Skill by hzblj

IndexedMIT★ 1
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Works with Claude Code, Claude apps, Codex, Cursor, Gemini CLI, GitHub Copilot, VS Code, OpenCode, Goose, Windsurf. Read the repository before you give any tool access to your data.

npx agentmarket install skill/hzblj-lists

Asks which of your tools to add it to (Claude Code, Codex, Cursor, VS Code, Windsurf, Gemini CLI, Claude Desktop) and shows the change first. See https://agentmart.dev/cli.

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About

Strict performance rules for lists — FlashList, stable renderItem, extracted item components, and naming patterns. Use when building or optimizing list views. Triggers on: FlashList, FlatList, renderItem, estimatedItemSize, list performance, list item component, list naming.

Use cases: design, frontend

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Permissions

What this skill can do and what it asks for, from its SKILL.md. Checked Oct 25, 2026.

Tools
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Install scripts
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Network hosts it talks to 1

  • codeload.github.com · found in install command

Files it touches

  • ~/.claude/skills/lists

What's inside

Skill name
lists
Description
Strict performance rules for lists — FlashList, stable renderItem, extracted item components, and naming patterns. Use when building or optimizing list views. Triggers on: FlashList, FlatList, renderItem, estimatedItemSize, list performance, list item component, list naming.
License
MIT
Instructions
21 lines in SKILL.md · view on GitHub

Files (2)

  • SKILL.md
  • openai.yaml · agents/

SKILL.md (first lines)

# Lists (Strict Performance Rules)

- Always use `FlashList`.
- Do not use `FlatList` unless strongly justified.
- `estimatedItemSize` must be provided.
- `renderItem` must be stable.
- No anonymous arrow functions in list rendering.
- Extract list items into dedicated components.
- No inline JSX inside `.map()`.

List feature naming pattern:

- `SpellList.tsx`
- `SpellListCard.tsx`
- `SpellListEmpty.tsx`
- `SpellListSkeleton.tsx`
- `SpellListHeader.tsx`

Prefix related files with the feature name.

From hzblj/skills, MIT.

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Stars
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Last commit (this folder)
Jul 16, 2026 (3 months ago)
Last release
Aug 19, 2026 (2 months ago)

From GitHub (fetched Oct 24, 2026).

Details

License
MIT
First seen
Oct 24, 2026
Last checked
Oct 24, 2026

More from hzblj

Cite this page

lists skill. Agent Mart. https://agentmart.dev/skills/hzblj-lists (last updated 2026-10-24)