MailMood

💭 Inspiration

As a non-native English speaker, I often found myself in situations where I might miss subtle emotional nuances in professors' emails. While this might not matter for casual communication, in academic settings, misinterpreting emotional undertones could have significant consequences.

This personal challenge inspired me to create MailMood - a tool that helps bridge the emotional comprehension gap in digital communication, especially for those who might struggle with linguistic subtleties in their non-native language.

🛠️ How I Built It

The development journey of MailMood followed these key steps:

1. Foundation: Started with creating a Chrome extension structure using React, TypeScript, and Vite for a modern development experience.

2. Core Analysis:

   • Integrated Hume AI for precise emotion detection
   • Implemented Gemini for generating context-aware responses
   • Created a non-intrusive overlay system for displaying results

3. User Experience:

   • Designed a cute and friendly interface that makes emotion analysis approachable
   • Implemented keyboard shortcuts for seamless workflow integration
   • Added real-time text selection and analysis features

4. Technical Architecture:

   • Used React with TypeScript for type-safe development
   • Implemented custom hooks for state management
   • Created a modular system for easy feature expansion

🎯 Challenges and Solutions

Data Processing Complexity

One of the major challenges was handling the extensive data from Hume AI's response. The emotion analysis returned large, complex datasets that needed careful aggregation and processing. I solved this by:

• Implementing efficient data filtering algorithms
• Creating a robust aggregation system
• Optimizing the processing pipeline for real-time analysis

Cross-browser Communication

Managing communication between content scripts and background services required careful handling of Chrome's messaging system. The solution involved:

• Creating a structured message passing system
• Implementing proper error handling
• Ensuring consistent state management across contexts

UI/UX Balance

Finding the right balance between functionality and non-intrusiveness was crucial. The solution was:

• Creating a overlay design
• Implementing smooth animations for better user experience
• Using keyboard shortcuts for quick access

🔮 What's Next

• Adding support for more languages
• Implementing machine learning for personalized suggestions
• Expanding to other communication platforms

Built With

• chrome
• gemini
• hume
• react
• typescript
• vite