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tantaka tomokazu

PROFILE

Tantaka Tomokazu

Tomokazu Tantaka contributed to the reearth/reearth-visualizer and related repositories by building robust backend features and improving data integrity across project import/export, multilingual support, and geospatial validation. He implemented GraphQL APIs and Go-based server logic to enable reliable asset management, custom domain support, and advanced layer ordering, while also refining test infrastructure for faster CI and more maintainable code. His work addressed concurrency and database challenges in MongoDB, enhanced data validation for GeoJSON, and streamlined CI/CD automation. By integrating TypeScript and React on the frontend, Tomokazu delivered solutions that improved end-to-end data consistency and expanded user-facing capabilities.

Overall Statistics

Feature vs Bugs

64%Features

Repository Contributions

22Total
Bugs
5
Commits
22
Features
9
Lines of code
8,068
Activity Months4

Work History

January 2025

6 Commits • 4 Features

Jan 1, 2025

January 2025 monthly summary for reearth/reearth-visualizer: Four major capabilities delivered across testing, data modeling, domain support, and geospatial validation. The work improves test reliability and CI speed, expands API capabilities for sketch layer properties, extends domain deployment options, and strengthens geospatial data integrity. Together, these changes accelerate release velocity and reinforce data quality, leveraging Go-based server code, GraphQL APIs, and frontend-backend integration.

December 2024

3 Commits • 1 Features

Dec 1, 2024

December 2024 monthly summary: Delivered stability enhancements and extended layer management capabilities across two repositories. In reearth-classic, fixed core data representation and release reliability: (1) Widget UI padding now correctly reflects nil in JSON, preventing rendering/data issues, with tests updated; (2) CI/CD release pipeline stabilized by fixing goreleaser invocation. In reearth-visualizer, introduced a robust layer management feature: Chainable reordering of NLS layers with a new index field and batch update capability (updateNLSLayers), along with updates to GraphQL schema, resolvers, use cases, and data models to support persistent ordering. Overall, these efforts improved data integrity, rendering fidelity, and release reliability, while expanding end-user capabilities for layer organization. Tools/tech: Go backend, GraphQL mutations and schema, data modeling, test maintenance, and CI/CD automation with goreleaser.

November 2024

12 Commits • 3 Features

Nov 1, 2024

November 2024 performance highlights across reearth-visualizer and reearthx: delivered user-centric features and robust data-layer fixes that drive reliability, discoverability, and scalability. Key features include multilingual placeholder text for input fields, coreSupport-aware asset/project filtering, and improved project export/import reliability, plus hardened pagination and filtering and MongoDB-backed robustness for large-scale usage. These efforts reduce manual rework, accelerate data workflows, and improve performance for end users and data pipelines.

October 2024

1 Commits • 1 Features

Oct 1, 2024

October 2024 monthly summary for reearth/reearth-visualizer: Delivered backend feature to support project import/export with external asset URL handling, refined test coverage, and established reliable integration of external URLs into project data. This work enhances project portability and asset management, reduces manual data wrangling, and improves end-to-end data consistency. Commit referenced: 1eba6e15296d8a3f82b993b145330b71bfe32855 (feat(server): project import export external url (#1205)).

Activity

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Quality Metrics

Correctness88.2%
Maintainability83.6%
Architecture83.6%
Performance78.2%
AI Usage21.0%

Skills & Technologies

Programming Languages

GoGraphQLJavaScriptMakefileShellTypeScriptYAML

Technical Skills

API DevelopmentAPI TestingBackend DevelopmentBuild AutomationCI/CDConcurrencyData SerializationData ValidationDatabaseDatabase InteractionDatabase ManagementDatabase QueryingEnd-to-End TestingFile HandlingFrontend Development

Repositories Contributed To

3 repos

Overview of all repositories you've contributed to across your timeline

reearth/reearth-visualizer

Oct 2024 Jan 2025
4 Months active

Languages Used

GoTypeScriptGraphQLJavaScriptMakefileShell

Technical Skills

API DevelopmentBackend DevelopmentGraphQLTestingData SerializationDatabase Interaction

reearth/reearthx

Nov 2024 Nov 2024
1 Month active

Languages Used

Go

Technical Skills

Backend DevelopmentConcurrencyDatabaseDatabase InteractionDatabase ManagementGo

reearth/reearth-classic

Dec 2024 Dec 2024
1 Month active

Languages Used

GoYAML

Technical Skills

Backend DevelopmentBuild AutomationCI/CD

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