gravity-ui/markdown-editor
Nov 2024 – Oct 2025
11 Months active
Languages Used
CSSJavaScriptTypeScriptSCSSYAMLReactJSONtsx
Technical Skills
CSSCodeMirrorDependency ManagementExtension DevelopmentFront-end DevelopmentJavaScript
Yuriy Demidov
PROFILE
Yuriy Demidov
Dmitry Demidov developed and maintained the gravity-ui/markdown-editor, delivering a robust, extensible rich text editor with advanced table, drag-and-drop, and markdown processing features. He engineered modular enhancements such as shared editing state, dynamic YFM configuration, and granular context menus, focusing on editing reliability and cross-browser consistency. Using TypeScript, React, and ProseMirror, Dmitry implemented features like mobile rendering, custom iconography, and visual regression testing, while also addressing complex bugs in paste handling and table serialization. His work demonstrated depth in API design, build systems, and end-to-end testing, resulting in a maintainable codebase and a seamless authoring experience.
Overall Statistics
Feature vs Bugs
66%Features
Repository Contributions
93Total
Bugs
19
Commits
93
Features
37
Lines of code
28,435
Activity Months11
Your Network
110 people
Work History
October 2025
8 Commits • 5 Features
Oct 1, 2025October 2025: Delivered significant enhancements to gravity-ui/markdown-editor's YFM Table, focusing on drag-and-drop UX, visual stability, and editing reliability. Implemented ghost drag visuals, improved drag state handling, and reinforced keyboard navigation and selection feedback. Also updated integration compatibility for the cut extension and ensured input rule stability to prevent unintended wrapping. These changes collectively improve editing throughput, reduce user errors, and simplify future maintenance.
8 Commits • 5 Features
Oct 1, 2025October 2025: Delivered significant enhancements to gravity-ui/markdown-editor's YFM Table, focusing on drag-and-drop UX, visual stability, and editing reliability. Implemented ghost drag visuals, improved drag state handling, and reinforced keyboard navigation and selection feedback. Also updated integration compatibility for the cut extension and ensured input rule stability to prevent unintended wrapping. These changes collectively improve editing throughput, reduce user errors, and simplify future maintenance.
October 2025
September 2025
7 Commits • 2 Features
Sep 1, 2025September 2025 — gravity-ui/markdown-editor: Key features delivered include drag-and-drop table editing with row/column reordering and insertion, and enhanced YFM modifiers/configuration. Major bugs fixed address DnD-related row deletion, folding heading visibility in ProseMirror, and serialization of empty paragraphs with preserveEmptyRows. Impact: smoother editing workflow, more reliable rendering for complex documents, and easier configuration across projects. Technologies demonstrated include ProseMirror CSS adjustments, drag-and-drop UI logic, and YFM configuration extensions across YfmTableControls, YfmConfigs, BaseSchema, and FoldingHeading.
September 2025
7 Commits • 2 Features
Sep 1, 2025September 2025 — gravity-ui/markdown-editor: Key features delivered include drag-and-drop table editing with row/column reordering and insertion, and enhanced YFM modifiers/configuration. Major bugs fixed address DnD-related row deletion, folding heading visibility in ProseMirror, and serialization of empty paragraphs with preserveEmptyRows. Impact: smoother editing workflow, more reliable rendering for complex documents, and easier configuration across projects. Technologies demonstrated include ProseMirror CSS adjustments, drag-and-drop UI logic, and YFM configuration extensions across YfmTableControls, YfmConfigs, BaseSchema, and FoldingHeading.
August 2025
2 Commits • 2 Features
Aug 1, 2025August 2025 — gravity-ui/markdown-editor: Two key features delivered, a critical DOM prop safety fix, and improvements to iconography, yielding tangible business value and stronger maintainability.
2 Commits • 2 Features
Aug 1, 2025August 2025 — gravity-ui/markdown-editor: Two key features delivered, a critical DOM prop safety fix, and improvements to iconography, yielding tangible business value and stronger maintainability.
August 2025
July 2025
6 Commits • 3 Features
Jul 1, 2025July 2025: Focused on robustness, API flexibility, and release readiness for gravity-ui/markdown-editor. Delivered parsing improvements and stability across table parsing, token streams, and paste handling, and prepared a release for 15.16.2. These efforts reduce edge-case bugs, enable broader customization, and streamline deployment for downstream apps.
July 2025
6 Commits • 3 Features
Jul 1, 2025July 2025: Focused on robustness, API flexibility, and release readiness for gravity-ui/markdown-editor. Delivered parsing improvements and stability across table parsing, token streams, and paste handling, and prepared a release for 15.16.2. These efforts reduce edge-case bugs, enable broader customization, and streamline deployment for downstream apps.
May 2025
11 Commits • 6 Features
May 1, 2025May 2025: Focused on delivering core features for the markdown editor, tightening UX safety nets, and expanding visual QA to ensure consistent editor behavior across modes and screen sizes. The work improves editing accuracy, reduces confusion with preview and links, and provides robust testing coverage for future iterations.
11 Commits • 6 Features
May 1, 2025May 2025: Focused on delivering core features for the markdown editor, tightening UX safety nets, and expanding visual QA to ensure consistent editor behavior across modes and screen sizes. The work improves editing accuracy, reduces confusion with preview and links, and provides robust testing coverage for future iterations.
May 2025
April 2025
5 Commits • 5 Features
Apr 1, 2025April 2025: Delivered core UX and reliability improvements to gravity-ui/markdown-editor, strengthening content authoring workflow and cross-browser paste reliability. Implemented heading level indicator in the editor toolbar to provide immediate visual feedback on document structure; introduced customizable selection context popup with adjustable placement/flip behavior and Storybook test coverage; refined HTML paste handling in markup mode with configurable parsing and more robust event processing; expanded test coverage with a Clipboard Regression Test Suite for WYSIWYG/Markup modes across browsers/OS; improved demo markup visuals and spacing to better illustrate markdown and YFM features, aiding adoption and demonstrations.
April 2025
5 Commits • 5 Features
Apr 1, 2025April 2025: Delivered core UX and reliability improvements to gravity-ui/markdown-editor, strengthening content authoring workflow and cross-browser paste reliability. Implemented heading level indicator in the editor toolbar to provide immediate visual feedback on document structure; introduced customizable selection context popup with adjustable placement/flip behavior and Storybook test coverage; refined HTML paste handling in markup mode with configurable parsing and more robust event processing; expanded test coverage with a Clipboard Regression Test Suite for WYSIWYG/Markup modes across browsers/OS; improved demo markup visuals and spacing to better illustrate markdown and YFM features, aiding adoption and demonstrations.
March 2025
15 Commits • 4 Features
Mar 1, 2025In March 2025, gravity-ui/markdown-editor focused on stability, editing consistency, and test coverage. Delivered a unified editing state across Mermaid and YFM HTML blocks via a new SharedState extension and the useSharedEditingState hook, improving editing persistence and correctness across complex blocks. Fixed a critical autocomplete selection range bug to ensure the correct range is used when selecting items in suggestions and emoji picker, reducing mis-edits. Added a Code Block Paste Handling plugin to format pasted content correctly inside code blocks and inline code. Introduced Entity ID utilities to generate and validate unique IDs for editor nodes, enabling robust item traversal. Expanded QA tooling with Playwright-based tests, QA attributes, clipboard test coverage, and editor configuration options, enabling faster regression checks and configuration flexibility. These changes collectively enhance reliability, developer productivity, and end-user editing experience.
15 Commits • 4 Features
Mar 1, 2025In March 2025, gravity-ui/markdown-editor focused on stability, editing consistency, and test coverage. Delivered a unified editing state across Mermaid and YFM HTML blocks via a new SharedState extension and the useSharedEditingState hook, improving editing persistence and correctness across complex blocks. Fixed a critical autocomplete selection range bug to ensure the correct range is used when selecting items in suggestions and emoji picker, reducing mis-edits. Added a Code Block Paste Handling plugin to format pasted content correctly inside code blocks and inline code. Introduced Entity ID utilities to generate and validate unique IDs for editor nodes, enabling robust item traversal. Expanded QA tooling with Playwright-based tests, QA attributes, clipboard test coverage, and editor configuration options, enabling faster regression checks and configuration flexibility. These changes collectively enhance reliability, developer productivity, and end-user editing experience.
March 2025
February 2025
17 Commits • 4 Features
Feb 1, 2025February 2025: Modernized gravity-ui/markdown-editor through a comprehensive v15 upgrade, targeted observability enhancements, and critical build-quality improvements. This release also includes formal release tagging for the v14.12.2 milestone, a new image widget capability for custom forms, and a strengthened development experience via ESLint/type-import improvements, ESM build refinements, and import alias support. The combined work delivers tangible business value: faster, more reliable editor features, better debugging visibility, and a maintainable codebase for future iterations.
February 2025
17 Commits • 4 Features
Feb 1, 2025February 2025: Modernized gravity-ui/markdown-editor through a comprehensive v15 upgrade, targeted observability enhancements, and critical build-quality improvements. This release also includes formal release tagging for the v14.12.2 milestone, a new image widget capability for custom forms, and a strengthened development experience via ESLint/type-import improvements, ESM build refinements, and import alias support. The combined work delivers tangible business value: faster, more reliable editor features, better debugging visibility, and a maintainable codebase for future iterations.
January 2025
5 Commits • 2 Features
Jan 1, 2025January 2025 monthly summary for gravity-ui/markdown-editor. Focused on delivering a more capable Markdown editing experience and stabilizing the CI/CD pipeline. The work bridged editor usability improvements with robust rendering and deployment reliability, driving faster feedback and higher quality releases.
5 Commits • 2 Features
Jan 1, 2025January 2025 monthly summary for gravity-ui/markdown-editor. Focused on delivering a more capable Markdown editing experience and stabilizing the CI/CD pipeline. The work bridged editor usability improvements with robust rendering and deployment reliability, driving faster feedback and higher quality releases.
January 2025
December 2024
8 Commits • 3 Features
Dec 1, 2024December 2024 — Gravity UI Markdown Editor: Delivered reliable editor enhancements and stability fixes that improve authoring productivity and cross-module reliability. Key features delivered include Checkbox extension enhancements (improved click handling, attribute management, and HTML checkbox paste/parse) and Toolbar UI color/selection improvements (new light popup state and support for custom icon colors). Major bugs fixed include GapCursor input rule reliability fix, Markdown paste link fix, and Code block markdown serialization fix, all contributing to a more predictable editing experience.
December 2024
8 Commits • 3 Features
Dec 1, 2024December 2024 — Gravity UI Markdown Editor: Delivered reliable editor enhancements and stability fixes that improve authoring productivity and cross-module reliability. Key features delivered include Checkbox extension enhancements (improved click handling, attribute management, and HTML checkbox paste/parse) and Toolbar UI color/selection improvements (new light popup state and support for custom icon colors). Major bugs fixed include GapCursor input rule reliability fix, Markdown paste link fix, and Code block markdown serialization fix, all contributing to a more predictable editing experience.
November 2024
9 Commits • 1 Features
Nov 1, 2024November 2024 monthly summary for gravity-ui/markdown-editor focused on delivering high-impact editor enhancements, stabilizing core functionality, and ensuring cross-version compatibility. Key introduction of a directiveSyntax experiment enables granular control over YFM extensions across editor components, with incremental commits that progressively extended support (YfmCut, YfmFile). Resolved critical upload reliability in WYSIWYG mode and ensured backward compatibility for video sources when integrating @diplodoc/transform across library versions. Standardized CodeMirror keymap formatting and completed essential maintenance to align diplodoc packages and refactor to the file-extension package, improving maintainability and dependency hygiene.
9 Commits • 1 Features
Nov 1, 2024November 2024 monthly summary for gravity-ui/markdown-editor focused on delivering high-impact editor enhancements, stabilizing core functionality, and ensuring cross-version compatibility. Key introduction of a directiveSyntax experiment enables granular control over YFM extensions across editor components, with incremental commits that progressively extended support (YfmCut, YfmFile). Resolved critical upload reliability in WYSIWYG mode and ensured backward compatibility for video sources when integrating @diplodoc/transform across library versions. Standardized CodeMirror keymap formatting and completed essential maintenance to align diplodoc packages and refactor to the file-extension package, improving maintainability and dependency hygiene.
November 2024
Activity
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Quality Metrics
Correctness94.0%
Maintainability91.8%
Architecture90.2%
Performance88.4%
AI Usage21.2%
Skills & Technologies
Programming Languages
CSSJSONJavaScriptReactSCSSTypeScriptYAMLtsx
Technical Skills
API DesignBug FixingBuild SystemsBuild ToolsCI/CDCSSCode Block HandlingCode LintingCode RefactoringCodeMirrorCodeMirror Plugin DevelopmentComponent DevelopmentComponent TestingConfigurationConfiguration Management
Repositories Contributed To
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