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docs: add comprehensive CONTRIBUTING.md guide#97

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ManishPanda-ta wants to merge 4 commits intomlc-ai:mainfrom
ManishPanda-ta:docs/add-contributing-guide
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docs: add comprehensive CONTRIBUTING.md guide#97
ManishPanda-ta wants to merge 4 commits intomlc-ai:mainfrom
ManishPanda-ta:docs/add-contributing-guide

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Description

Adds a comprehensive CONTRIBUTING.md file to guide contributors through the entire contribution process, from setup to PR submission.

Fixes Issues

Fixes #91
Also addresses #89 and #90 (duplicate requests)

What's Included

This PR adds:

1. CONTRIBUTING.md (515 lines)

A complete contribution guide with:

  • Getting Started - Prerequisites, development setup, verification steps
  • Development Workflow - Branch naming, commit conventions, keeping fork updated
  • Code Style Guidelines - TypeScript & React best practices, file organization, naming conventions
  • Pull Request Process - Pre-submission checklist, PR template, review process
  • Testing Guidelines - Running tests, writing tests, manual testing checklist
  • Documentation Standards - README updates, JSDoc requirements, inline documentation
  • Community Resources - Discord, GitHub Discussions, bug reporting, feature requests
  • Issue Labels - Explanation of priority, type, status, and area labels
  • Additional Resources - Links to WebLLM docs, learning resources, examples

2. Implementation Plans

Benefits

This contribution guide will:

Lower the barrier to entry for new contributors
Improve code quality through clear standards and examples
Reduce maintainer workload by setting expectations upfront
Speed up PR reviews with consistent, well-structured submissions
Build a stronger community with clear communication channels
Attract more contributors by being welcoming and organized
Align with OSS best practices followed by major projects

Examples from Similar Projects

This guide follows the structure of successful OSS projects:

Screenshots

N/A - Documentation only

Testing

  • Markdown formatting is correct
  • All links are valid and working
  • Code examples are syntactically correct
  • Instructions are clear and actionable
  • File renders correctly on GitHub
  • No typos or grammatical errors

Type of Change

  • Bug fix
  • New feature
  • Documentation update
  • Code refactoring

Additional Context

This addresses three related issues (#89, #90, #91) all requesting contribution guidelines. The growing community interest in the project makes this documentation essential for scaling contributions effectively.

Implementation Notes

What Works Well

  • Comprehensive coverage of all contribution aspects
  • Clear examples with code snippets
  • Beginner-friendly language
  • Follows conventional commits format
  • Links to all relevant resources

Future Enhancements (Separate PRs)

  • Add PR template (.github/pull_request_template.md)
  • Update issue templates to reference CONTRIBUTING.md
  • Add "good first issue" labels to appropriate issues
  • Create video tutorial for first-time contributors

Checklist


Ready for Review 🎉

Thank you for considering this contribution! Looking forward to feedback and helping build a more contributor-friendly project.

- Add complete contribution guidelines
- Include setup instructions and prerequisites
- Document development workflow and branching strategy
- Add code style guidelines for TypeScript and React
- Define PR process and review workflow
- Include testing guidelines
- Add documentation standards
- List community resources and issue labels

Fixes mlc-ai#91
- Add plan-85.md: comprehensive implementation plan for model loading bug
- Add plan-89.md: implementation plan for CONTRIBUTING.md guide
- Both plans include simple vs optimized approaches
- Include decision matrices and action items

Related to mlc-ai#89, mlc-ai#90, mlc-ai#91
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Summary of Changes

Hello @ManishPanda-ta, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request significantly enhances the project's contributor experience by introducing a comprehensive CONTRIBUTING.md guide. This guide aims to lower the barrier to entry for new contributors, standardize development practices, and improve overall code quality by providing clear instructions from setup to PR submission. By setting clear expectations and outlining community resources, it seeks to reduce maintainer workload and foster a more engaged and efficient open-source community. Additionally, the PR includes detailed plans for resolving a critical model loading issue and for the implementation of the contribution guide itself.

Highlights

  • Comprehensive Contribution Guide Added: A new CONTRIBUTING.md file has been added, providing extensive guidelines for new and existing contributors covering development setup, code style, PR process, testing, and documentation standards.
  • Detailed Development Workflow: The guide includes clear instructions on branch naming conventions, commit message formats following Conventional Commits, and how to keep a forked repository updated.
  • Code Style and Quality Standards: Specific guidelines for TypeScript and React components, file organization, naming conventions, and code formatting (ESLint, Prettier) are now documented to ensure consistent code quality.
  • Structured Pull Request Process: A step-by-step pull request process is outlined, including a pre-submission checklist, PR template, and an explanation of the review and merging procedures.
  • Implementation Plans for Key Issues: This PR also introduces detailed implementation plans (plan-85.md and plan-89.md) for addressing a critical model loading bug (issue [Bug] chat.weblm.ai not loading LLMs #85) and for the creation of this CONTRIBUTING.md guide itself (issue Add CONTRIBUTING.md file to guide contributors #89).

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Changelog
  • CONTRIBUTING.md
    • Added a new comprehensive guide for contributors, detailing prerequisites, development setup, and verification steps.
    • Included sections on development workflow, covering branch naming, commit conventions, and keeping forks updated.
    • Provided extensive code style guidelines for TypeScript and React, including file organization and naming conventions.
    • Outlined the pull request process, from pre-submission checks to review and post-merge steps.
    • Detailed testing guidelines, documentation standards, and community resources for support and issue reporting.
    • Explained issue labels to help contributors find relevant tasks and understand project priorities.
  • plan-85.md
    • Added a detailed implementation plan for addressing issue [Bug] chat.weblm.ai not loading LLMs #85, which concerns LLM model loading failures across various platforms.
    • Outlined a hybrid solution approach, combining immediate quick fixes with a comprehensive long-term strategy for a resilient model loading system.
    • Included sections on problem analysis, solution architecture, testing plan, rollout strategy, and monitoring metrics for the model loading issue.
  • plan-89.md
    • Added an implementation plan for issue Add CONTRIBUTING.md file to guide contributors #89, detailing the creation and integration of the new CONTRIBUTING.md file.
    • Described the content structure, implementation phases, and anticipated benefits of the comprehensive contribution guide.
    • Included a testing checklist and success metrics specifically for the CONTRIBUTING.md file's effectiveness.
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Code Review

This is an excellent pull request that adds a comprehensive CONTRIBUTING.md file and detailed implementation plans. The contribution guide is well-structured and will be a great resource for new contributors, significantly improving the onboarding experience. I've identified a few minor issues in CONTRIBUTING.md, such as a broken link and references to npm scripts that don't exist. My feedback is detailed in the specific comments. Overall, this is a valuable addition to the project.

Comment thread CONTRIBUTING.md

## Code of Conduct

This project follows the [MLC.ai Community Code of Conduct](https://github.com/mlc-ai). By participating, you are expected to uphold this code. Please report unacceptable behavior to the project maintainers.
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medium

The link to the MLC.ai Community Code of Conduct points to the organization's main GitHub page instead of the Code of Conduct file itself. Please update it to point directly to the CODE_OF_CONDUCT.md file for clarity.

Suggested change
This project follows the [MLC.ai Community Code of Conduct](https://github.com/mlc-ai). By participating, you are expected to uphold this code. Please report unacceptable behavior to the project maintainers.
This project follows the [MLC.ai Community Code of Conduct](https://github.com/mlc-ai/.github/blob/main/CODE_OF_CONDUCT.md). By participating, you are expected to uphold this code. Please report unacceptable behavior to the project maintainers.

Comment thread CONTRIBUTING.md
Comment on lines +208 to +213

# Auto-fix linting issues
npm run lint:fix

# Format code (if using Prettier)
npm run format
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medium

The guide mentions npm run lint:fix and npm run format, but these scripts are not defined in package.json. This could be confusing for contributors. Please remove these commands from the guide to avoid this confusion.

Comment thread CONTRIBUTING.md
Comment on lines +323 to +332
```bash
# Run all tests
npm test

# Run tests in watch mode
npm test -- --watch

# Run tests with coverage
npm test -- --coverage
```
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medium

The npm test script is mentioned multiple times in the guide (e.g., here and on line 240), but it's not defined in package.json. This will cause an error for contributors who try to run tests. Please either add a test script to package.json or remove the instructions for running tests from this guide.

- Rename plan file to match actual issue number created by ManishPanda-ta
- Update all mlc-ai#89 references to mlc-ai#91 throughout the file
- Update reporter from @Arunvallal to @ManishPanda-ta
- Add references to duplicate issues mlc-ai#89 and mlc-ai#90
- Update PR reference to mlc-ai#97

Relates to mlc-ai#91
- Add license, Next.js, and TypeScript badges
- Add detailed table of contents
- Expand overview with project mission
- Enhance key features descriptions with better formatting
- Add backup files for reference
- Include blueprint generator prompt file

Updates for better project documentation and contributor onboarding.
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[Feature Request] Add CONTRIBUTING.md file for contributor guidelines

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