plotly/plotly.js
Oct 2025 – Feb 2026
4 Months active
Languages Used
JavaScriptMarkdownJSON
Technical Skills
BiomeCode FormattingData VisualizationDocumentationFront End DevelopmentFront-end Development
Alex Hsu
PROFILE
Alex Hsu
Contributed to plotly.js by building advanced multi-axis shape rendering and enhancing chart interactivity, focusing on robust axis referencing and improved legend behavior. Leveraged JavaScript, D3.js, and JSON to refactor shape coordinate logic, centralize utility functions, and modernize code for maintainability. Addressed schema alignment and test baseline management to ensure regression safety and visual consistency across updates. Enhanced user experience by refining legend interactions for pie-like traces and implementing features like legend title click-to-toggle. Emphasized documentation and code clarity, adding detailed attribute descriptions and pure function refactors. These efforts improved dashboard fidelity, developer productivity, and the reliability of data visualizations.
Overall Statistics
Feature vs Bugs
83%Features
Repository Contributions
62Total
Bugs
3
Commits
62
Features
15
Lines of code
3,551,106
Activity Months4
Your Network
37 peopleShared Repositories
37
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Mojtaba SamimiMember
Austin MartinMember
Austin MartinMember
Austin MartinMember
Austin MartinMember
Work History
February 2026
19 Commits • 3 Features
Feb 1, 2026February 2026: Delivered significant improvements in charting capabilities and maintainability for plotly.js. Key features include multi-axis shape rendering with enhanced label handling, and legend interaction enhancements for pie-like traces. Core maintainability work centralized id generation and supported release readiness with schema updates and draftlog scaffolding. These changes improve dashboard fidelity, UX stability, and ease future enhancements.
19 Commits • 3 Features
Feb 1, 2026February 2026: Delivered significant improvements in charting capabilities and maintainability for plotly.js. Key features include multi-axis shape rendering with enhanced label handling, and legend interaction enhancements for pie-like traces. Core maintainability work centralized id generation and supported release readiness with schema updates and draftlog scaffolding. These changes improve dashboard fidelity, UX stability, and ease future enhancements.
February 2026
January 2026
27 Commits • 10 Features
Jan 1, 2026January 2026 focused on robustness, test coverage, and CI reliability for plotly.js. Highlights include multi-axis rendering improvements, expanded tests, and API/schema clarity that reduce regression risk and improve developer productivity. Key outcomes: (1) Multi-axis shapes: Jasmine tests added; fixes to shape labels for multi-axis references; corrected path conversion. (2) CI and regression: uploaded correct image baselines and added a baseline image for visual regression tests. (3) Schema and axis handling: plot-schema alignment, axis reference normalization, and consistent coerceRefArray processing. (4) UX and testing enhancements: legend title click feature with setup, mocks, tests, and default enablement when multiple legends. (5) Code quality and documentation: pure function refactor of calcArrayRefAutorange, var-to-const modernization, and enhanced attribute documentation.)
January 2026
27 Commits • 10 Features
Jan 1, 2026January 2026 focused on robustness, test coverage, and CI reliability for plotly.js. Highlights include multi-axis rendering improvements, expanded tests, and API/schema clarity that reduce regression risk and improve developer productivity. Key outcomes: (1) Multi-axis shapes: Jasmine tests added; fixes to shape labels for multi-axis references; corrected path conversion. (2) CI and regression: uploaded correct image baselines and added a baseline image for visual regression tests. (3) Schema and axis handling: plot-schema alignment, axis reference normalization, and consistent coerceRefArray processing. (4) UX and testing enhancements: legend title click feature with setup, mocks, tests, and default enablement when multiple legends. (5) Code quality and documentation: pure function refactor of calcArrayRefAutorange, var-to-const modernization, and enhanced attribute documentation.)
December 2025
10 Commits • 1 Features
Dec 1, 2025Month: 2025-12 – Focused on delivering a major enhancement to shape rendering in plotly.js: Multi-axis Shapes and Flexible Axis Referencing. This work extends xref/yref to support multiple axes and array-based references, adds robust validation and coordinate coercion for shape coordinates, refactors the coercion logic for maintainability, and updates autorange and clip-path calculations. It also updates the plot schema and includes image-based test baselines and test data to ensure correctness. The effort improves correctness, rendering stability, and developer experience, enabling richer charts with multiple axes and more flexible layouts. Stakeholders benefit from more expressive shapes, fewer manual workarounds, and stronger regression coverage.
10 Commits • 1 Features
Dec 1, 2025Month: 2025-12 – Focused on delivering a major enhancement to shape rendering in plotly.js: Multi-axis Shapes and Flexible Axis Referencing. This work extends xref/yref to support multiple axes and array-based references, adds robust validation and coordinate coercion for shape coordinates, refactors the coercion logic for maintainability, and updates autorange and clip-path calculations. It also updates the plot schema and includes image-based test baselines and test data to ensure correctness. The effort improves correctness, rendering stability, and developer experience, enabling richer charts with multiple axes and more flexible layouts. Stakeholders benefit from more expressive shapes, fewer manual workarounds, and stronger regression coverage.
December 2025
October 2025
6 Commits • 1 Features
Oct 1, 20252025-10: Plotly.js contributions focused on axis label fidelity and test stability. Implemented extended SI prefixes (f, p, a) for axis tick labels and refined numFormat for improved readability and precision. Completed maintenance to preserve plot-schema integrity and updated test baselines after bug fixes, including mocks and visual diffs. These changes enhance cross-scale data interpretation, reduce rendering inconsistencies, and strengthen test reliability.
October 2025
6 Commits • 1 Features
Oct 1, 20252025-10: Plotly.js contributions focused on axis label fidelity and test stability. Implemented extended SI prefixes (f, p, a) for axis tick labels and refined numFormat for improved readability and precision. Completed maintenance to preserve plot-schema integrity and updated test baselines after bug fixes, including mocks and visual diffs. These changes enhance cross-scale data interpretation, reduce rendering inconsistencies, and strengthen test reliability.
Activity
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Quality Metrics
Correctness95.4%
Maintainability92.4%
Architecture91.2%
Performance90.4%
AI Usage22.0%
Skills & Technologies
Programming Languages
JSONJavaScriptMarkdown
Technical Skills
BiomeCode FormattingD3.jsData VisualizationDocumentationFront End DevelopmentFront-end DevelopmentJSONJasmineJavaScriptJavaScript DevelopmentReactSchema ManagementTestingUI/UX design
Repositories Contributed To
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