IQSS/dataverse-frontend
Nov 2024 – Jan 2026
14 Months active
Languages Used
JSONJavaScriptSCSSTypeScriptCSSMarkdowntsxHTML
Technical Skills
API IntegrationCSSDomain ModelingFront End DevelopmentFrontend DevelopmentInternationalization (i18n)
Ellen Kraffmiller
PROFILE
Ellen Kraffmiller
Erik Kraffmiller developed and maintained core features for the IQSS/dataverse-frontend repository over 14 months, focusing on robust data workflows, notifications, and user experience improvements. He engineered solutions for dataset publishing, file metadata editing, and notifications management, applying React, TypeScript, and SCSS to deliver accessible, localized, and testable interfaces. His work included architectural refactoring, integration of API-driven data flows, and enhancements to accessibility and internationalization. By expanding test coverage with Cypress and React Testing Library, Erik ensured reliability and maintainability. His contributions addressed both user-facing functionality and underlying code quality, resulting in a more stable and scalable frontend platform.
Overall Statistics
Feature vs Bugs
57%Features
Repository Contributions
284Total
Bugs
56
Commits
284
Features
74
Lines of code
19,918
Activity Months14
Your Network
11 peopleSame Organization
@hmdc.harvard.edu2
Work History
January 2026
13 Commits • 3 Features
Jan 1, 2026January 2026: Delivered user-facing UI enhancements and a revamped notification workflow for IQSS/dataverse-frontend, while boosting code quality and accessibility tooling. The work focused on cross-browser consistency, clearer user interactions, and improved automation/testing reliability. Business value includes a more consistent UI across browsers (Safari fixes), clearer notification actions, and reduced maintenance risk through lint cleanup and test stabilization.
13 Commits • 3 Features
Jan 1, 2026January 2026: Delivered user-facing UI enhancements and a revamped notification workflow for IQSS/dataverse-frontend, while boosting code quality and accessibility tooling. The work focused on cross-browser consistency, clearer user interactions, and improved automation/testing reliability. Business value includes a more consistent UI across browsers (Safari fixes), clearer notification actions, and reduced maintenance risk through lint cleanup and test stabilization.
January 2026
December 2025
12 Commits • 4 Features
Dec 1, 2025Month: 2025-12 | IQSS/dataverse-frontend – Focused UX, accessibility, and test infrastructure improvements across the frontend. Key outcomes include a robust Notifications pagination UX, reintroduced dataset files listing with optional infinite scroll, and accessibility enhancements, underpinned by strengthened tests and stable dependencies.
December 2025
12 Commits • 4 Features
Dec 1, 2025Month: 2025-12 | IQSS/dataverse-frontend – Focused UX, accessibility, and test infrastructure improvements across the frontend. Key outcomes include a robust Notifications pagination UX, reintroduced dataset files listing with optional infinite scroll, and accessibility enhancements, underpinned by strengthened tests and stable dependencies.
October 2025
19 Commits • 2 Features
Oct 1, 2025In October 2025, delivered substantial updates to the IQSS/dataverse-frontend notification subsystem, completed a full architectural overhaul of notifications, and fixed a critical session-management bug. Focused on business value, reliability, and maintainability with expanded test coverage and modern tooling.
19 Commits • 2 Features
Oct 1, 2025In October 2025, delivered substantial updates to the IQSS/dataverse-frontend notification subsystem, completed a full architectural overhaul of notifications, and fixed a critical session-management bug. Focused on business value, reliability, and maintainability with expanded test coverage and modern tooling.
October 2025
September 2025
22 Commits • 5 Features
Sep 1, 2025September 2025 (IQSS/dataverse-frontend):Delivered core enhancements to the notifications system, UI-design system upgrades, and strengthened test infrastructure. Implemented end-to-end notifications integration with a new NotificationsSection and shared NotificationsContext, fixed fetch timing, memoized unread views, added polling to minimize rerenders, and replaced selection checkboxes with an X icon for read/delete. UI refreshed with JSX-title support in NavBarDropdown and new design-system Buttons. Fixed welcome notification behavior and ingest message handling with translations, timestamped welcome messages, and stabilized flaky tests while expanding test coverage. These changes improve user experience, performance, and release reliability while strengthening code quality and maintainability.
September 2025
22 Commits • 5 Features
Sep 1, 2025September 2025 (IQSS/dataverse-frontend):Delivered core enhancements to the notifications system, UI-design system upgrades, and strengthened test infrastructure. Implemented end-to-end notifications integration with a new NotificationsSection and shared NotificationsContext, fixed fetch timing, memoized unread views, added polling to minimize rerenders, and replaced selection checkboxes with an X icon for read/delete. UI refreshed with JSX-title support in NavBarDropdown and new design-system Buttons. Fixed welcome notification behavior and ingest message handling with translations, timestamped welcome messages, and stabilized flaky tests while expanding test coverage. These changes improve user experience, performance, and release reliability while strengthening code quality and maintainability.
August 2025
2 Commits • 1 Features
Aug 1, 2025August 2025 highlights for IQSS/dataverse-frontend: Implemented unread notifications count in the header and introduced translation helpers for notification messages. Updated translation logic and added tests to cover multiple notification types, improving user awareness, localization accuracy, and test coverage. These changes enhance global usability and support quicker issue detection.
2 Commits • 1 Features
Aug 1, 2025August 2025 highlights for IQSS/dataverse-frontend: Implemented unread notifications count in the header and introduced translation helpers for notification messages. Updated translation logic and added tests to cover multiple notification types, improving user awareness, localization accuracy, and test coverage. These changes enhance global usability and support quicker issue detection.
August 2025
July 2025
5 Commits • 3 Features
Jul 1, 2025July 2025 monthly summary for IQSS/dataverse-frontend: Delivered key frontend improvements and test coverage, focusing on startup reliability, UI stability, and maintainability. Key deliverables include Data Items UI Improvements (loading states and role rendering) with startup sequencing fixes ensuring Keycloak starts only after PostgreSQL health; separate isLoadingRoles and isLoadingItems flags; added tests for role checkbox rendering; Expanded test coverage for AdvancedSearchForm submission; Code formatting cleanup for readability and consistency. Notable commits include: 25be43b224c7ba0dbc41302fla3fa5, a1121d6e048803614c691538f39a481488a35737, ab482b448264aa1f312ab43228db633fe00bceb1, 99b3e1e9c2af3a68a137b984f3b5c383a66a197a, 6871674132a85a419bfb8b43f8b6de80fef008ec.
July 2025
5 Commits • 3 Features
Jul 1, 2025July 2025 monthly summary for IQSS/dataverse-frontend: Delivered key frontend improvements and test coverage, focusing on startup reliability, UI stability, and maintainability. Key deliverables include Data Items UI Improvements (loading states and role rendering) with startup sequencing fixes ensuring Keycloak starts only after PostgreSQL health; separate isLoadingRoles and isLoadingItems flags; added tests for role checkbox rendering; Expanded test coverage for AdvancedSearchForm submission; Code formatting cleanup for readability and consistency. Notable commits include: 25be43b224c7ba0dbc41302fla3fa5, a1121d6e048803614c691538f39a481488a35737, ab482b448264aa1f312ab43228db633fe00bceb1, 99b3e1e9c2af3a68a137b984f3b5c383a66a197a, 6871674132a85a419bfb8b43f8b6de80fef008ec.
June 2025
18 Commits • 1 Features
Jun 1, 2025June 2025 performance summary for IQSS/dataverse-frontend: Delivered role-based data access in the My Data Items panel with per-user data retrieval capabilities for superusers, along with improved loading indicators and robust error handling. Refined UI behavior by updating useEffect dependencies and pagination triggers to align with user experience, and added an error alert for visibility. Reduced UI clutter and improved reliability by refining collection item counts display and stabilizing tests. Documentation and stability cleanup accompanied these changes to reinforce maintainability and onboarding.
18 Commits • 1 Features
Jun 1, 2025June 2025 performance summary for IQSS/dataverse-frontend: Delivered role-based data access in the My Data Items panel with per-user data retrieval capabilities for superusers, along with improved loading indicators and robust error handling. Refined UI behavior by updating useEffect dependencies and pagination triggers to align with user experience, and added an error alert for visibility. Reduced UI clutter and improved reliability by refining collection item counts display and stabilizing tests. Documentation and stability cleanup accompanied these changes to reinforce maintainability and onboarding.
June 2025
May 2025
51 Commits • 24 Features
May 1, 2025May 2025 monthly summary for IQSS/dataverse-frontend. Delivered a more capable My Data experience with targeted UI enhancements, improved filtering, and stronger test coverage while stabilizing the codebase and refining maintenance processes. The month focused on user-facing features that drive data discovery and account management, alongside quality improvements that reduce bug risk and support faster iteration.
May 2025
51 Commits • 24 Features
May 1, 2025May 2025 monthly summary for IQSS/dataverse-frontend. Delivered a more capable My Data experience with targeted UI enhancements, improved filtering, and stronger test coverage while stabilizing the codebase and refining maintenance processes. The month focused on user-facing features that drive data discovery and account management, alongside quality improvements that reduce bug risk and support faster iteration.
April 2025
35 Commits • 9 Features
Apr 1, 2025April 2025 monthly summary for IQSS/dataverse-frontend focused on delivering a robust Edit File Metadata flow, strengthening front-end quality, and aligning with API updates to drive data curation efficiency and reliability.
35 Commits • 9 Features
Apr 1, 2025April 2025 monthly summary for IQSS/dataverse-frontend focused on delivering a robust Edit File Metadata flow, strengthening front-end quality, and aligning with API updates to drive data curation efficiency and reliability.
April 2025
March 2025
24 Commits • 3 Features
Mar 1, 2025March 2025 monthly summary for IQSS/dataverse-frontend focusing on localization, UI reliability, and code quality. Delivered translations support, improved confirmation modal and centralized form state management, expanded functionality with additional unit tests, and resolved key data handling and UI edge cases. Achieved broader test coverage and lint stability, resulting in a more maintainable frontend with clearer localization paths and robust dataset/deaccession workflows.
March 2025
24 Commits • 3 Features
Mar 1, 2025March 2025 monthly summary for IQSS/dataverse-frontend focusing on localization, UI reliability, and code quality. Delivered translations support, improved confirmation modal and centralized form state management, expanded functionality with additional unit tests, and resolved key data handling and UI edge cases. Achieved broader test coverage and lint stability, resulting in a more maintainable frontend with clearer localization paths and robust dataset/deaccession workflows.
February 2025
40 Commits • 10 Features
Feb 1, 2025February 2025: Delivered targeted frontend improvements for IQSS/dataverse-frontend that strengthen publish flow reliability, Terms/License customization, and code quality. Notable outcomes include active-tab search parameter to improve UX for Custom Terms, PublishDatasetModal enhancements (Custom License/Custom Terms of Use integration, rename to customTerms, and scrollIntoView), markdown rendering support for CollectionInfo descriptions, initial Dataset Deaccession modal with DTO integration, and substantial codebase cleanup, performance optimizations, and test coverage improvements.
40 Commits • 10 Features
Feb 1, 2025February 2025: Delivered targeted frontend improvements for IQSS/dataverse-frontend that strengthen publish flow reliability, Terms/License customization, and code quality. Notable outcomes include active-tab search parameter to improve UX for Custom Terms, PublishDatasetModal enhancements (Custom License/Custom Terms of Use integration, rename to customTerms, and scrollIntoView), markdown rendering support for CollectionInfo descriptions, initial Dataset Deaccession modal with DTO integration, and substantial codebase cleanup, performance optimizations, and test coverage improvements.
February 2025
January 2025
21 Commits • 5 Features
Jan 1, 2025January 2025 performance highlights for IQSS/dataverse-frontend: delivered stability improvements, governance enhancements, and expanded test coverage. Notable deliverables include fixes to the major version publish flow, search UX stabilization, and significant improvements to Terms Of Use and Terms Tab support, alongside code quality and test hygiene initiatives. These efforts reduce release risk, improve data governance UX, and strengthen overall code quality and test reliability.
January 2025
21 Commits • 5 Features
Jan 1, 2025January 2025 performance highlights for IQSS/dataverse-frontend: delivered stability improvements, governance enhancements, and expanded test coverage. Notable deliverables include fixes to the major version publish flow, search UX stabilization, and significant improvements to Terms Of Use and Terms Tab support, alongside code quality and test hygiene initiatives. These efforts reduce release risk, improve data governance UX, and strengthen overall code quality and test reliability.
December 2024
13 Commits • 2 Features
Dec 1, 2024December 2024 monthly summary for IQSS/dataverse-frontend. Focused on delivering a robust collection items sorting feature, strengthening code quality, and improving developer productivity.
13 Commits • 2 Features
Dec 1, 2024December 2024 monthly summary for IQSS/dataverse-frontend. Focused on delivering a robust collection items sorting feature, strengthening code quality, and improving developer productivity.
December 2024
November 2024
9 Commits • 2 Features
Nov 1, 2024November 2024: IQSS/dataverse-frontend - focused on delivering a robust dataset publishing workflow and accurate release decision support. Implemented frontend UX improvements for dataset publishing, backend support for version diffs, and expanded test coverage and translations to ensure reliable, localized user guidance. Business value centers on reducing publishing errors, enabling clearer major/minor release decisions, and increasing maintainability.
November 2024
9 Commits • 2 Features
Nov 1, 2024November 2024: IQSS/dataverse-frontend - focused on delivering a robust dataset publishing workflow and accurate release decision support. Implemented frontend UX improvements for dataset publishing, backend support for version diffs, and expanded test coverage and translations to ensure reliable, localized user guidance. Business value centers on reducing publishing errors, enabling clearer major/minor release decisions, and increasing maintainability.
Activity
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Quality Metrics
Correctness89.8%
Maintainability89.0%
Architecture84.6%
Performance84.8%
AI Usage21.0%
Skills & Technologies
Programming Languages
CSSHTMLJSONJSXJavaScriptMarkdownSCSSTypeScriptYAMLtsx
Technical Skills
API IntegrationAccessibilityCSSCSS/SCSSClean CodeCode CleanupCode FormattingCode OrganizationCode RefactoringComponent DesignComponent DevelopmentComponent LibraryComponent OrganizationComponent TestingComponent-Based Architecture
Repositories Contributed To
Overview of all repositories you've contributed to across your timeline