ysengoku/42-ft_transcendence
Dec 2024 – Sep 2025
10 Months active
Languages Used
CSSHTMLJavaScriptSVGDockerfileMarkdownPythonYAML
Technical Skills
BootstrapCSSFront End DevelopmentFront-end DevelopmentHTMLJavaScript
ysengoku
PROFILE
Ysengoku
Yusuke Sengoku developed and maintained the ysengoku/42-ft_transcendence repository, delivering a robust, production-ready web application focused on real-time multiplayer gameplay, tournaments, and user management. He architected a modular frontend using JavaScript, CSS, and Three.js, integrating features such as chat, matchmaking, and tournament flows with responsive UI and scalable state management. His work included API integration, WebSocket-based real-time communication, and secure authentication, while ensuring code quality through ESLint, CI/CD pipelines, and comprehensive documentation. By implementing IntersectionObserver-driven pagination, Dockerized deployments, and cross-browser compatibility, Yusuke enabled reliable, maintainable releases and a seamless user experience across complex, data-driven workflows.
Overall Statistics
Feature vs Bugs
61%Features
Repository Contributions
1,737Total
Bugs
330
Commits
1,737
Features
514
Lines of code
645,338
Activity Months10
Your Network
7 people
Work History
September 2025
75 Commits • 28 Features
Sep 1, 2025September 2025 monthly summary for ysengoku/42-ft_transcendence focused on production readiness, UI/UX enhancements, stability improvements, and code quality. Delivered features and fixes across frontend, backend, and ops that reduce risk, improve user experience, and enable scalable deployments. Key business value includes more reliable gameplay across modes, faster time-to-value for new features, and stronger resilience in production.
75 Commits • 28 Features
Sep 1, 2025September 2025 monthly summary for ysengoku/42-ft_transcendence focused on production readiness, UI/UX enhancements, stability improvements, and code quality. Delivered features and fixes across frontend, backend, and ops that reduce risk, improve user experience, and enable scalable deployments. Key business value includes more reliable gameplay across modes, faster time-to-value for new features, and stronger resilience in production.
September 2025
August 2025
186 Commits • 56 Features
Aug 1, 2025August 2025 monthly summary for repository ysengoku/42-ft_transcendence: Key features delivered: - Data Visualization Documentation: updated docs to cover donut and line rendering in SVG, added data visualization figures, and introduced JSDoc comments in pigraph and line chart modules. - Partial Update After Unblocking (Selective Refresh): improved UI responsiveness by updating only the affected user item after unblocking instead of reloading the entire list. - Security and data handling improvements: securely clear avatar file data and password data after update; clear input fields after profile updates to prevent resubmission issues. - Pagination and scroll improvements: upgraded to IntersectionObserver-based pagination, replacing legacy item-count checks and scrollend logic; added anchor-based pagination and related tests/docs alignment. - CI/QA and code quality: updated CI workflow Node version and fixed ESLint normalization errors to improve build reliability. - Vite/Avatar upload and theme refactor: refactored Vite plugin to remove theme initialization; added extension checks to avatar upload module with placeholder fallback. - Documentation and frontend flow: broad documentation updates (README, FRONTEND config, Chat and Live events docs) and new frontend flow diagrams for authentication, online status, and game invitation. - Misc. quality improvements: UI/UX debounces for chat, overflow handling for dropdowns, modal cleanup improvements, and refactoring of theme/controller tests and utilities. Major bugs fixed: - ESLint normalization and CI workflow stability improvements. - Scroll/pagination reliability: fixed last-item handling and migrated to IntersectionObserver for pagination across chat/duel menus. - Input handling bugs: cleared fields after profile updates to prevent stale data being sent; removed unused LocalStorage.setItem calls. - UI and DOM stability: removed GameOptions element on DuelMenu disconnect; fixed removeEventListener usage; modal cleanup logic updated to be independent of legacy events. - Server/API robustness: improved 404 handling for /api/chats/username and enforced timestamp in sending messages; fixed broken internal docs links. Overall impact and accomplishments: - Significantly improved UI reliability and performance, especially around pagination and selective refresh, leading to smoother user experiences in chat, tournaments, and game lobbies. - Reduced server-side errors and data risks by clearing sensitive data and preventing duplicate submissions. - Strengthened development and deployment workflow with CI updates, ESLint hygiene, and comprehensive documentation coverage to accelerate onboarding and reduce maintenance cost. - Positioned the product for better cross-browser compatibility and resilience with IntersectionObserver-driven pagination and debounced chat interactions. Technologies/skills demonstrated: - JavaScript/TypeScript and modern web APIs (IntersectionObserver, debouncing, Image loading checks) - Frontend engineering patterns: selective refresh, DOM cleanup, and robust event handling - CI/CD hygiene: Node version upgrades, ESLint fixes, non-blocking format/lint handling - Documentation and developer experience: JSDoc, README, CI docs, and frontend/backend flow diagrams - Security-conscious data handling: explicit clearing of sensitive data after profile updates
August 2025
186 Commits • 56 Features
Aug 1, 2025August 2025 monthly summary for repository ysengoku/42-ft_transcendence: Key features delivered: - Data Visualization Documentation: updated docs to cover donut and line rendering in SVG, added data visualization figures, and introduced JSDoc comments in pigraph and line chart modules. - Partial Update After Unblocking (Selective Refresh): improved UI responsiveness by updating only the affected user item after unblocking instead of reloading the entire list. - Security and data handling improvements: securely clear avatar file data and password data after update; clear input fields after profile updates to prevent resubmission issues. - Pagination and scroll improvements: upgraded to IntersectionObserver-based pagination, replacing legacy item-count checks and scrollend logic; added anchor-based pagination and related tests/docs alignment. - CI/QA and code quality: updated CI workflow Node version and fixed ESLint normalization errors to improve build reliability. - Vite/Avatar upload and theme refactor: refactored Vite plugin to remove theme initialization; added extension checks to avatar upload module with placeholder fallback. - Documentation and frontend flow: broad documentation updates (README, FRONTEND config, Chat and Live events docs) and new frontend flow diagrams for authentication, online status, and game invitation. - Misc. quality improvements: UI/UX debounces for chat, overflow handling for dropdowns, modal cleanup improvements, and refactoring of theme/controller tests and utilities. Major bugs fixed: - ESLint normalization and CI workflow stability improvements. - Scroll/pagination reliability: fixed last-item handling and migrated to IntersectionObserver for pagination across chat/duel menus. - Input handling bugs: cleared fields after profile updates to prevent stale data being sent; removed unused LocalStorage.setItem calls. - UI and DOM stability: removed GameOptions element on DuelMenu disconnect; fixed removeEventListener usage; modal cleanup logic updated to be independent of legacy events. - Server/API robustness: improved 404 handling for /api/chats/username and enforced timestamp in sending messages; fixed broken internal docs links. Overall impact and accomplishments: - Significantly improved UI reliability and performance, especially around pagination and selective refresh, leading to smoother user experiences in chat, tournaments, and game lobbies. - Reduced server-side errors and data risks by clearing sensitive data and preventing duplicate submissions. - Strengthened development and deployment workflow with CI updates, ESLint hygiene, and comprehensive documentation coverage to accelerate onboarding and reduce maintenance cost. - Positioned the product for better cross-browser compatibility and resilience with IntersectionObserver-driven pagination and debounced chat interactions. Technologies/skills demonstrated: - JavaScript/TypeScript and modern web APIs (IntersectionObserver, debouncing, Image loading checks) - Frontend engineering patterns: selective refresh, DOM cleanup, and robust event handling - CI/CD hygiene: Node version upgrades, ESLint fixes, non-blocking format/lint handling - Documentation and developer experience: JSDoc, README, CI docs, and frontend/backend flow diagrams - Security-conscious data handling: explicit clearing of sensitive data after profile updates
July 2025
140 Commits • 43 Features
Jul 1, 2025July 2025 monthly summary for ysengoku/42-ft_transcendence: Delivered code-quality improvements, UX enhancements, and robust error handling, delivering measurable business value in reliability, performance, and developer productivity. Key features delivered: - ESLint-based code quality normalization across the repository (commits 3f697e802d8d499ccef03a7464fa3394385bc5ce; d092111432c43d3ef0369dc6b252b3533648c219). - Waiting animation to improve UX (commits b7235cf0519ae0d158d7d7334ac462b1c51757f3; f0a129eee06dcad8c02cb0abc20d349cfe4f26fe). - Status update button to streamline interactions (commits caec912b724a0f4f6c14d69c91f9c8f2afe1dd5e; fc74c770b8bb0fa4dc8455350a5f18dbd6fbe81b). - Status polling for tournament overview with a loading animation and a loading page for API-request-before-render pages (commits f7c89c1bc97bd999601eea310c239861e54b772c; dc15561d38e770b5b7c76c860e2063997ec5c9c6; a64d41d5e48c5dc3b2043d281766872be540877d; d7337388ea91530ac09877b6875f6d00b6e6cb22). - Navbar update using user data from Custom events, maintaining ESLint style passes (commits 511b93cd4f53e46bc238e15a55e924b04433d5a2; af66527514ecffc7b5e6646d1bbd7f5c65b8205c). - Documentation update for README cover image to reflect branding (commits c91169c8739fd0b995fef754b7769b694b379309; 00f93c576b8c76eda2f08e51876528f730eecb5e). - Render optimization during status updates to show only status and brackets with an updating animation (commits 5abbdd846724b4aa51b66a91649dfb603534075a; 2ebe84b6003ba247905b9d46b22d7bc933b88250). - Add timestamp in new_message and pending message rendering, improving message traceability (commits 5b605f964a14c72895753664f6a16df8e78b1f68; c38b53cf9d625031816db9cf4b4763838812f77f). - Mock data function for tournament tree rendering issues (commits 05aa7035d67c184d83b7f3e58558da9a8f790c13; 5f0b7b43823ba2e423e43ee393e3c762617c855e). - Additional UX/robustness enhancements: 429 handling in apiRequest and related components; improved loading states across the app (commits 133279e5c14080edd9aafc1bfb2f6f346ed073c9; 9b6d2b0da3ab8e0241176b7d895b37348b092ad6). Major bugs fixed: - 404/422 handling for GET tournament/id: show bracket first, then redirect to Game when the user's current bracket is ongoing (commits 3de5b908efb8073b1f5c99f9390202c303d0301a; 14e2551f2170641fd201d28d7f9f01a37276581b). - Bracket reordering function bug fix to reorder brackets within rounds and render tournament tree (commits 88e58e4bce8db1253d32a68fead977b371528163; 23c4ac267237ce93f579b0ec522055c192bbf9f9). - Navigate/redirect history handling: replace navigate() with redirect() for pages not to be pushed to history (commits 3f13d323cecfc58078ff4602a8c1e6be77f2633d; 5de43e1c7a4777f57b76175a32dd94f87f09a157). - API resilience: add 429 handling logic in apiRequest and related fetch flow (commits 133279e5c14080edd9aafc1bfb2f6f346ed073c9; 9b6d2b0da3ab8e0241176b7d895b37348b092ad6). Overall impact and accomplishments: - Significantly improved user experience in tournament flows and more predictable API behavior under high load; reduced dead-ends in navigation; rendered UI more reliably with status updates and loading indicators. Enhanced developer productivity through standardized ESLint styling, expanded unit tests, and comprehensive documentation updates. Technologies/skills demonstrated: - ESLint-based code quality enforcement; frontend UX patterns (loading states, animations, status updates); robust error handling and retry/backoff (429s); data-flow improvements (custom events, session storage usage); testing modernization (Vitest migration); router and API tooling improvements; Docker tooling upgrades and documentation discipline.
140 Commits • 43 Features
Jul 1, 2025July 2025 monthly summary for ysengoku/42-ft_transcendence: Delivered code-quality improvements, UX enhancements, and robust error handling, delivering measurable business value in reliability, performance, and developer productivity. Key features delivered: - ESLint-based code quality normalization across the repository (commits 3f697e802d8d499ccef03a7464fa3394385bc5ce; d092111432c43d3ef0369dc6b252b3533648c219). - Waiting animation to improve UX (commits b7235cf0519ae0d158d7d7334ac462b1c51757f3; f0a129eee06dcad8c02cb0abc20d349cfe4f26fe). - Status update button to streamline interactions (commits caec912b724a0f4f6c14d69c91f9c8f2afe1dd5e; fc74c770b8bb0fa4dc8455350a5f18dbd6fbe81b). - Status polling for tournament overview with a loading animation and a loading page for API-request-before-render pages (commits f7c89c1bc97bd999601eea310c239861e54b772c; dc15561d38e770b5b7c76c860e2063997ec5c9c6; a64d41d5e48c5dc3b2043d281766872be540877d; d7337388ea91530ac09877b6875f6d00b6e6cb22). - Navbar update using user data from Custom events, maintaining ESLint style passes (commits 511b93cd4f53e46bc238e15a55e924b04433d5a2; af66527514ecffc7b5e6646d1bbd7f5c65b8205c). - Documentation update for README cover image to reflect branding (commits c91169c8739fd0b995fef754b7769b694b379309; 00f93c576b8c76eda2f08e51876528f730eecb5e). - Render optimization during status updates to show only status and brackets with an updating animation (commits 5abbdd846724b4aa51b66a91649dfb603534075a; 2ebe84b6003ba247905b9d46b22d7bc933b88250). - Add timestamp in new_message and pending message rendering, improving message traceability (commits 5b605f964a14c72895753664f6a16df8e78b1f68; c38b53cf9d625031816db9cf4b4763838812f77f). - Mock data function for tournament tree rendering issues (commits 05aa7035d67c184d83b7f3e58558da9a8f790c13; 5f0b7b43823ba2e423e43ee393e3c762617c855e). - Additional UX/robustness enhancements: 429 handling in apiRequest and related components; improved loading states across the app (commits 133279e5c14080edd9aafc1bfb2f6f346ed073c9; 9b6d2b0da3ab8e0241176b7d895b37348b092ad6). Major bugs fixed: - 404/422 handling for GET tournament/id: show bracket first, then redirect to Game when the user's current bracket is ongoing (commits 3de5b908efb8073b1f5c99f9390202c303d0301a; 14e2551f2170641fd201d28d7f9f01a37276581b). - Bracket reordering function bug fix to reorder brackets within rounds and render tournament tree (commits 88e58e4bce8db1253d32a68fead977b371528163; 23c4ac267237ce93f579b0ec522055c192bbf9f9). - Navigate/redirect history handling: replace navigate() with redirect() for pages not to be pushed to history (commits 3f13d323cecfc58078ff4602a8c1e6be77f2633d; 5de43e1c7a4777f57b76175a32dd94f87f09a157). - API resilience: add 429 handling logic in apiRequest and related fetch flow (commits 133279e5c14080edd9aafc1bfb2f6f346ed073c9; 9b6d2b0da3ab8e0241176b7d895b37348b092ad6). Overall impact and accomplishments: - Significantly improved user experience in tournament flows and more predictable API behavior under high load; reduced dead-ends in navigation; rendered UI more reliably with status updates and loading indicators. Enhanced developer productivity through standardized ESLint styling, expanded unit tests, and comprehensive documentation updates. Technologies/skills demonstrated: - ESLint-based code quality enforcement; frontend UX patterns (loading states, animations, status updates); robust error handling and retry/backoff (429s); data-flow improvements (custom events, session storage usage); testing modernization (Vitest migration); router and API tooling improvements; Docker tooling upgrades and documentation discipline.
July 2025
June 2025
270 Commits • 63 Features
Jun 1, 2025June 2025 performance summary for ysengoku/42-ft_transcendence: Delivered end-to-end gameplay and infra improvements, strengthening reliability and UX, enabling scalable production and faster matchmaking. Key features and bug fixes delivered across the repo, along with expanded test coverage and coding discipline.
June 2025
270 Commits • 63 Features
Jun 1, 2025June 2025 performance summary for ysengoku/42-ft_transcendence: Delivered end-to-end gameplay and infra improvements, strengthening reliability and UX, enabling scalable production and faster matchmaking. Key features and bug fixes delivered across the repo, along with expanded test coverage and coding discipline.
May 2025
216 Commits • 57 Features
May 1, 2025May 2025 monthly summary for ysengoku/42-ft_transcendence: Delivered core tournament enhancements, aligned local state with origin data, boosted UX for large datasets, and strengthened real-time reliability. Focused on business value by centralizing critical flows, reducing maintenance overhead, and ensuring consistent behavior across environments.
216 Commits • 57 Features
May 1, 2025May 2025 monthly summary for ysengoku/42-ft_transcendence: Delivered core tournament enhancements, aligned local state with origin data, boosted UX for large datasets, and strengthened real-time reliability. Focused on business value by centralizing critical flows, reducing maintenance overhead, and ensuring consistent behavior across environments.
May 2025
April 2025
185 Commits • 62 Features
Apr 1, 2025April 2025 monthly summary for ysengoku/42-ft_transcendence. Focused on stabilizing the codebase, delivering key duel/game features, and upgrading infrastructure, with strong emphasis on business value, reliability, and developer experience.
April 2025
185 Commits • 62 Features
Apr 1, 2025April 2025 monthly summary for ysengoku/42-ft_transcendence. Focused on stabilizing the codebase, delivering key duel/game features, and upgrading infrastructure, with strong emphasis on business value, reliability, and developer experience.
March 2025
204 Commits • 67 Features
Mar 1, 2025March 2025 delivered substantial business value by shipping user-facing profile and chat enhancements, hardening settings workflows, and stabilizing core UI. The work spans Profile improvements (game history) and real-time communication (Chat) plus governance and theming updates, driving engagement, data integrity, and maintainability.
204 Commits • 67 Features
Mar 1, 2025March 2025 delivered substantial business value by shipping user-facing profile and chat enhancements, hardening settings workflows, and stabilizing core UI. The work spans Profile improvements (game history) and real-time communication (Chat) plus governance and theming updates, driving engagement, data integrity, and maintainability.
March 2025
February 2025
347 Commits • 89 Features
Feb 1, 2025February 2025 performance summary for ysengoku/42-ft_transcendence: Focused on delivering user-centric features, strengthening security and API reliability, and refactoring for maintainability. The month yielded notable frontend UX improvements, enhanced authentication/token flows, expanded API reliability, and several QA/maintainability upgrades. Business value was driven by smoother onboarding, improved real-time communication, and more robust API and UI foundations.
February 2025
347 Commits • 89 Features
Feb 1, 2025February 2025 performance summary for ysengoku/42-ft_transcendence: Focused on delivering user-centric features, strengthening security and API reliability, and refactoring for maintainability. The month yielded notable frontend UX improvements, enhanced authentication/token flows, expanded API reliability, and several QA/maintainability upgrades. Business value was driven by smoother onboarding, improved real-time communication, and more robust API and UI foundations.
January 2025
109 Commits • 48 Features
Jan 1, 2025January 2025 monthly summary for ysengoku/42-ft_transcendence. Delivered foundational frontend architecture, routing scaffolding, and key user-facing UI enhancements, setting the stage for rapid feature delivery across the product. Highlights include a new Frontend Foundation with a dev server mounted to the working directory, Navbar integration with static positioning and dynamic avatar/dropdown, a working User Authentication UI with login/logout tests, and routing/local server scaffolding that stabilized navigation flows. Additional progress includes ThemeController for dark/light mode, Profile and Settings groundwork, and ESLint and Docker improvements that raise code quality and deployment reliability.
109 Commits • 48 Features
Jan 1, 2025January 2025 monthly summary for ysengoku/42-ft_transcendence. Delivered foundational frontend architecture, routing scaffolding, and key user-facing UI enhancements, setting the stage for rapid feature delivery across the product. Highlights include a new Frontend Foundation with a dev server mounted to the working directory, Navbar integration with static positioning and dynamic avatar/dropdown, a working User Authentication UI with login/logout tests, and routing/local server scaffolding that stabilized navigation flows. Additional progress includes ThemeController for dark/light mode, Profile and Settings groundwork, and ESLint and Docker improvements that raise code quality and deployment reliability.
January 2025
December 2024
5 Commits • 1 Features
Dec 1, 2024Month 2024-12: Delivered the Front-end Landing Page and Navbar UI Foundation for ysengoku/42-ft_transcendence, establishing Bootstrap-based styling, avatar placeholder, and navbar scaffolding with dynamic rendering setup. Implemented initial login/signup action scaffolding and wired landing page content, enabling rapid UI iterations and improved first-time user experience. No major bugs fixed this period; minor UI refinements and scaffolding improvements completed. This lays the groundwork for a scalable, responsive front-end and faster feature delivery.
December 2024
5 Commits • 1 Features
Dec 1, 2024Month 2024-12: Delivered the Front-end Landing Page and Navbar UI Foundation for ysengoku/42-ft_transcendence, establishing Bootstrap-based styling, avatar placeholder, and navbar scaffolding with dynamic rendering setup. Implemented initial login/signup action scaffolding and wired landing page content, enabling rapid UI iterations and improved first-time user experience. No major bugs fixed this period; minor UI refinements and scaffolding improvements completed. This lays the groundwork for a scalable, responsive front-end and faster feature delivery.
Activity
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Quality Metrics
Correctness85.2%
Maintainability84.8%
Architecture77.6%
Performance79.0%
AI Usage21.8%
Skills & Technologies
Programming Languages
CSSDjangoDockerfileGLSLGitHTMLImageJSONJavaScriptMakefile
Technical Skills
3D Graphics3D Graphics (Three.js)API DesignAPI DevelopmentAPI DocumentationAPI IntegrationAPI Integration (Mocked)API MockingAnimationAsset ManagementAsynchronous ProgrammingAuthenticationAuthentication ManagementBack-end DevelopmentBackend Development
Repositories Contributed To
Overview of all repositories you've contributed to across your timeline