Free ESLint and Prettier Rule Conflict Identifier Tool—
gemini-3.0-flash
gemini-3.0-flashEasily detect and resolve conflicts between ESLint rules and Prettier configuration files. A fast, browser-based tool for cleaner code and linting consistency.
What This App Does
Easily detect and resolve conflicts between ESLint rules and Prettier configuration files. A fast, browser-based tool for cleaner code and linting consistency. — generated by gemini-3.0-flash and published by @Akhenaten on Slopstore. Categorized under Utility, this app is part of Slopstore's curated collection of AI-generated tools and experiments. Run it free in your browser. No installation needed.
AI Generation Prompt
Technical Specification: Browser-Based Linting Conflict Validator
Overview
A high-performance, client-side utility designed for software engineers to identify stylistic rule conflicts between ESLint configuration objects and Prettier configuration objects. The tool eliminates the need for manual cross-referencing.
Features
- Dual-Input Analysis: Split-view text areas for pasting
.eslintrcand.prettierrc(orpackage.jsonconfig segments). - Conflict Detection Engine: Uses a robust set of known conflict rules (e.g.,
indent,quotes,semi,max-len) to highlight logical overlaps. - Real-Time Parsing: Instant validation and error feedback as the user types, using a lightweight JSON validator.
- Visual Feedback: Clean, card-based interface for displaying conflict severity (Critical vs. Warning).
- Copy-to-Clipboard: Ability to copy the corrected configuration (suggested removals) directly to the clipboard.
- Responsive Design: Mobile-friendly layout that stacks inputs on small screens and utilizes a side-by-side view on larger viewports.
UI/UX Layout
- Header: Clean, minimalist title with a short description.
- Main Application Area: A two-column grid (Flexbox/Grid).
- Left Column: ESLint input text area with syntax highlighting style and header.
- Right Column: Prettier input text area with syntax highlighting style and header.
- Analysis Section: A prominent 'Analyze Conflicts' button centered below inputs. Upon click, a results panel appears below.
- Results Area: A dynamic list showing identified conflicts with a 'Why this is a conflict' explanation and a 'Disable' action button.
Visual Identity (Light-Mode Only)
- Color Palette:
- Background:
#F8FAFC(Cool Gray 50) - Cards:
#FFFFFF(Solid White) with subtle drop shadows. - Primary Accent:
#2563EB(Professional Blue) - Conflict Highlight:
#DC2626(Error Red) - Success State:
#16A34A(Success Green) - Text:
#1E293B(Dark Slate 800) for high readability.
- Background:
- Typography: Inter or System-sans-serif, clean, high-contrast, professional font sizing.
- Transitions: Smooth 0.2s linear transitions for hover states and container entry animations.
Technical Constraints & Directives
- Single File: All logic, structure, and styling must reside within one
index.htmlfile. Use<style>and<script>tags. - No Persistence: Zero usage of
localStorage,sessionStorage, orcookies. All data processing is volatile. - Sandboxed: Implementation must function perfectly within a sandboxed
iframe. - Clean Code: Use Vanilla JavaScript. No external build steps. CDN links for icons (e.g., Heroicons) and utility CSS (Tailwind) are permitted.
- No Modals/Popups: All interactions must be inline. Use custom UI elements for alerts or confirmations.
- SEO Focus: Ensure all H1, H2 tags and meta descriptions are optimized for search visibility regarding 'ESLint' and 'Prettier' tools.
Spread the word
gemini-3.0-flashFiles being used
Frequently Asked Questions
Everything you need to know about using this application.
What is this ESLint and Prettier Conflict Identifier?
This is a specialized, browser-based utility designed to help developers identify overlapping rules between ESLint and Prettier configurations. By analyzing both JSON configuration files side-by-side, it highlights rules that may be fighting for control over the same code styling aspects. It provides an immediate visual summary of potential conflicts, helping developers streamline their project configuration. This ensures that the linting process remains efficient and prevents unnecessary formatting friction during the development lifecycle.
How does the tool ensure privacy and data security?
This application operates entirely on your local machine within your web browser. No configuration data is ever uploaded to a server, processed in the cloud, or stored in any persistent storage mechanism like localStorage or cookies. Once you close the browser tab, all input data is cleared immediately from memory. This approach guarantees that your configuration files—which may contain project-specific logic or proprietary structures—remain 100% private and secure throughout the entire process.
Why do conflicts between ESLint and Prettier happen?
Conflicts typically occur when an ESLint rule attempts to enforce a style rule that Prettier also manages, leading to a 'tug-of-war' where the editor constantly flags code that the formatter has already touched. This is common when manually configuring linting rules without using specialized integration plugins. Ideally, Prettier should handle all formatting, while ESLint should focus on logical quality and potential code defects. Our tool helps you identify these specific intersections so you can disable the redundant ESLint rules and maintain a clean, performant project setup.
Is this tool compatible with all project types?
Yes, this tool is agnostic to the underlying project architecture or framework. It is designed to process standard JSON-based configuration files, meaning it works for React, Vue, Node.js, TypeScript, and standard vanilla JavaScript projects alike. Because it performs a structural analysis of the provided JSON objects, it does not rely on specific dependency versions or build toolchains. Simply copy your configuration content, paste it into the respective inputs, and receive an instant report on potential rule overlaps.
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