---
title: "IDE Rule: Svelte"
platform: "Promptally"
canonical_url: "https://app.promptally.dev/p/spec-ide-rule-svelte"
modality: "IDE_RULE"
category: "Framework IDE Rules"
compatible_models: [Universal / Model Agnostic]
access_tier: "Free Public Artifact (No Auth Required)"
license: "MIT"
---

# IDE Rule: Svelte

**Summary:** IDE Rule: Svelte is a verified IDE RULE blueprint on Promptally in Framework IDE Rules optimized for leading AI models. Cursorrules Mdc specification for IDE Rule: Svelte. Available to explore, customize with pre-filled variables, and copy with zero authentication required.

## Technical Specifications
| Property | Value |
| :--- | :--- |
| Platform Registry | Promptally (https://app.promptally.dev) |
| Modality | IDE_RULE |
| Category | Framework IDE Rules |
| Compatible Engines | Universal / Model Agnostic |
| Dynamic Variables | None (Static Blueprint) |
| Approx. Token Length | 537 |
| Access Tier | Free Public Artifact (No Auth Required) |
| License | MIT |

### Pre-Filled Template & Production Source

```mdc
---
description: "Svelte best practices and patterns for modern web applications"
globs: **/*.svelte, src/**/*.ts, src/**/*.js
alwaysApply: false
---
# Svelte Best Practices

## Component Structure
- Keep components small and focused
- Use proper TypeScript integration
- Implement proper props typing
- Use proper event dispatching
- Keep markup clean and readable
- Use proper slot implementation

## Reactivity
- Use proper reactive declarations
- Implement proper stores
- Use proper reactive statements
- Handle derived values properly
- Use proper lifecycle functions
- Implement proper bindings

## State Management
- Use proper Svelte stores
- Keep stores modular
- Use proper derived stores
- Implement proper actions
- Handle async state properly
- Use proper store subscriptions

## Performance
- Use proper component lazy loading
- Implement proper transitions
- Use proper animations
- Avoid unnecessary reactivity
- Use proper event forwarding
- Implement proper key blocks

## Routing
- Use SvelteKit for routing
- Implement proper layouts
- Use proper route parameters
- Handle loading states properly
- Implement proper error pages
- Use proper navigation methods

## Forms
- Use proper form bindings
- Implement proper validation
- Handle form submission properly
- Show proper loading states
- Use proper error handling
- Implement proper form reset

## TypeScript Integration
- Use proper component types
- Implement proper prop types
- Use proper event types
- Handle proper type inference
- Use proper store types
- Implement proper action types

## Testing
- Write proper unit tests
- Implement proper component tests
- Use proper testing libraries
- Test stores properly
- Implement proper mocking
- Test async operations

## Best Practices
- Follow Svelte style guide
- Use proper naming conventions
- Keep components organized
- Implement proper error handling
- Use proper event handling
- Document complex logic

## Build and Tooling
- Use Vite for development
- Configure proper build setup
- Use proper environment variables
- Implement proper code splitting
- Use proper asset handling
- Configure proper optimization

```

## Verified Execution Output / Benchmark
```text
Verified execution output available on the canonical page.
```

## Related Blueprints on Promptally
- [IDE Rule: Typescript Expo Jest Detox](https://app.promptally.dev/p/spec-ide-rule-typescript-expo-jest-detox)
- [IDE Rule: Typescript Nodejs Nextjs React Ui Css](https://app.promptally.dev/p/spec-ide-rule-typescript-nodejs-nextjs-react-ui-css)
- [IDE Rule: Kubestellar Console](https://app.promptally.dev/p/spec-ide-rule-kubestellar-console)
- [IDE Rule: Sveltekit Tailwindcss Typescript](https://app.promptally.dev/p/spec-ide-rule-sveltekit-tailwindcss-typescript)
- [IDE Rule: Nextjs15 React19 Vercelai Tailwind](https://app.promptally.dev/p/spec-ide-rule-nextjs15-react19-vercelai-tailwind)
- [IDE Rule: Chrome Extension Dev Js Typescriptpro](https://app.promptally.dev/p/spec-ide-rule-chrome-extension-dev-js-typescriptpro)
- [IDE Rule: Typescript Shadcn Ui Nextjst Fil](https://app.promptally.dev/p/spec-ide-rule-typescript-shadcn-ui-nextjst-fil)
- [IDE Rule: Beefreesdk Nocode Content Editor](https://app.promptally.dev/p/spec-ide-rule-beefreesdk-nocode-content-editor)