authoring-components

Guide for creating new Elements components with all required files, base classes, metadata patterns, and test boilerplate. Use this skill whenever the user wants to create, scaffold, or set up a new component from scratch, needs to understand the required 10-file structure, asks about base classes and mixins (LitElement vs ButtonFormControlMixin), define.ts vs index.ts patterns, static metadata, component registration, or sub-component parent relationships. Also trigger when the user mentions creating test boilerplate for all 5 test types.

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저장소: NVIDIA/elements
최근 소스 활동: 2026년 8월 12일 00:30
감지된 SKILL.md 언어: 영어
스타: 93
포크: 18

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Follow https://skillsmp.com/skill-install/prompt.md to install only the Agent Skill at https://github.com/NVIDIA/elements/tree/main/.agents/skills/authoring-components.

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npx skills add https://github.com/NVIDIA/elements --skill authoring-components

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SKILL.md

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name: authoring-components
description: Guide for creating new Elements components with all required files, base classes, metadata patterns, and test boilerplate. Use this skill whenever the user wants to create, scaffold, or set up a new component from scratch, needs to understand the required 10-file structure, asks about base classes and mixins (LitElement vs ButtonFormControlMixin), define.ts vs index.ts patterns, static metadata, component registration, or sub-component parent relationships. Also trigger when the user mentions creating test boilerplate for all 5 test types.

# Authoring Components You MUST review the component creation guideline before creating or modifying components. ## When to Use This Skill - Creating a new component from scratch - Understanding the required file structure for components - Setting up test boilerplate for all 5 test types - Choosing the appropriate base class or mixin (ButtonFormControlMixin vs LitElement) - Understanding component metadata and registration patterns - Setting up JSDoc comments for components ## Must Read File Read the [component creation guide](projects/site/src/docs/internal/guidelines/component-creation.md) to get critical context for component creation guidance. ## Workflow 1. **Gather requirements**: confirm the component name (kebab-case), purpose, and whether to use `LitElement` directly or apply `ButtonFormControlMixin` for button-like interactive components. 2. **Study a reference**: read the closest reference component listed below to understand the pattern in practice. 3. **Create the 10 required files** in `projects/core/src/<component-name>/`: - `component-name.ts`:component class with metadata, JSDoc, and render method - `component-name.css`:styles using CSS custom properties - `component-name.examples.ts`:example templates with `@summary` JSDoc - `component-name.test.ts`:unit tests - `component-name.test.axe.ts`:accessibility tests - `component-name.test.visual.ts`:visual regression tests - `component-name.test.ssr.ts`:SSR tests - `component-name.test.lighthouse.ts`:lighthouse tests - `define.ts`:registration using `define()` helper with `HTMLElementTagNameMap` - `index.ts`:side-effect-free export 4. **Update shared entry points**: - Add only `import '@nvidia-elements/core/<component-name>/define.js'` to `projects/core/src/bundle.ts` in alphabetical order. Keep this registration bundle import-only. Export the public API from the component `index.ts` and expose its entry point through the package `exports` map. - Add the definition import to the `js-modules` list in `projects/core/src/index.test.lighthouse.ts` so the combined direct-import benchmark measures the component. 5. **Measure payloads**: run `mise exec -- pnpm run test:lighthouse` from `projects/core`. Increase a bundle-size limit only when the measured payload exceeds the current limit. 6. **Verify**: confirm all files follow the templates in the component creation guide, then run `mise exec -- pnpm run lint` and `mise exec -- pnpm run test` from `projects/core`. ## References - [Component Creation Guide](/projects/site/src/docs/internal/guidelines/component-creation.md) - Complete component creation workflow - [TypeScript Guidelines](/projects/site/src/docs/internal/guidelines/typescript.md) - Type safety patterns - [Examples Guidelines](/projects/site/src/docs/internal/guidelines/examples.md) - Example file structure - [Testing Guidelines](/projects/site/src/docs/internal/guidelines/testing.md) - Testing strategy - [API Design - Properties](/projects/site/src/docs/api-design/properties-attributes.md) - Property design patterns - [API Design - Styles](/projects/site/src/docs/api-design/styles.md) - CSS custom properties ### Reference Components - `/projects/core/src/button/` - ButtonFormControlMixin pattern example - `/projects/core/src/badge/` - LitElement pattern example - `/projects/core/src/card/` - Composition with slots example

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summarize-releases

Create a monthly NVIDIA Elements “What’s New” docs page, matching video, and concise, copy-ready summary from local release tags, tagged changelogs, package versions, and commit history. Use for a scheduled release PR, monthly update, release roundup, changelog digest, Slack blurb, announcement, or plain-language explanation of recent Elements releases.

2026-10-01

summarize-video-releases

Create the 24–36 second marketing video for a monthly NVIDIA Elements “What’s New” post, rendered to projects/site/public/static/video/releases/MM-YYYY.webm from real Elements components, with feature snapshots inserted into the post. Use after the summarize-releases skill creates or updates a post, and whenever someone asks for a release video, what’s new video, monthly recap clip, changelog teaser, social video, or animated summary of Elements releases, even if they do not say “video skill”.

2026-10-01

agent-starters

Verify every starter supported by the stable production NVIDIA Elements CLI from a fresh consumer environment, investigate failures, and prepare at most one focused repair pull request. Use for nightly or scheduled production starter verification and starter availability failures.

2026-09-30

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authoring-components

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