Merged open-source work in codebases people already depend on.
I contribute by reading unfamiliar systems, isolating the smallest useful change, backing it with tests or CI where needed, and iterating with maintainers until the work is merged. This page pulls my merged PRs from GitHub so the proof stays tied to real repositories, review history, and shipped code.
32
Merged PRs
4
Repositories
+1.1K
Lines added
-194
Lines removed
Top languages
Highest starred repo
★ 860
sugarlabs/musicblocks
What I Contribute
Production bug fixes
Trace regressions in unfamiliar code, keep the fix narrow, and add coverage where the behavior was previously unprotected.
Feature work in existing systems
Ship changes that fit the repository's architecture instead of treating open source as isolated demo code.
Tests, CI, and workflows
Improve project confidence with regression tests, reproducible checks, and automation that runs before code reaches main.
Maintainer-led iteration
Use review feedback to clarify tradeoffs, reduce scope, and land code that maintainers are comfortable owning.
Highlighted Work
sugarlabs/musicblocksPR #7207★ 860JavaScriptperf(blocks): spatial grid for O(1) nearest-dock lookup on block drop
Replaces the ON×M full-scan in findBestConnection with a spatial hash grid that reduces block connection search to O1 amortized time per blo...
sugarlabs/musicblocksPR #7209★ 860JavaScriptsecurity(planet): replace window.parent access with postMessage bridge
The Planet iframe currently accesses parent Music Blocks internals directly via window.parent.activity and window.parent.platformColor. This...
By Organization

sugarlabs
19 PRs
sugarlabs/musicblocksPR #7207★ 860JavaScriptperf(blocks): spatial grid for O(1) nearest-dock lookup on block drop
Replaces the ON×M full-scan in findBestConnection with a spatial hash grid that reduces block connection search to O1 amortized time per blo...
sugarlabs/musicblocksPR #7209★ 860JavaScriptsecurity(planet): replace window.parent access with postMessage bridge
The Planet iframe currently accesses parent Music Blocks internals directly via window.parent.activity and window.parent.platformColor. This...
sugarlabs/musicblocksPR #7213★ 860JavaScriptsecurity(aidebugger): require explicit consent before sending project data
The AI Debugger widget currently exports the full project and POSTs it to an external server the moment it opens, before the user types anyt...
sugarlabs/musicblocksPR #7340★ 860JavaScriptfix: retry timeout failures in RequestManager instead of returning immediately
executeWithRetry only retried ERRORCONNECTIONFAILURE responses. Timeouts were resolved not rejected by the internal promisifyRequest timer a...
sugarlabs/musicblocksPR #7290★ 860JavaScriptHoist findBlockInstance temperament1 lookup out of per-block loop
processOneBlock called findBlockInstance"temperament1" for every block during project load. Since findBlockInstance does a linear scan of bl...
sugarlabs/musicblocksPR #7221★ 860JavaScriptfix(#7216): remove inline sr-only styles breaking textMsg visibility
Merged contribution with public review history, repository context, and implementation details available on GitHub.
sugarlabs/musicblocksPR #7292★ 860JavaScriptDebounce local project rename to avoid repeated full DB writes
The input event listener on the local project title field calls Planet.ProjectStorage.renameProject on every keystroke. Since renameProject...
sugarlabs/musicblocksPR #6988★ 860JavaScriptfix: guard division by zero in Staccato and Slur blocks
Merged contribution with public review history, repository context, and implementation details available on GitHub.
sugarlabs/musicblocksPR #6986★ 860JavaScriptfix: add missing validate task and cssTask to gulpfile.mjs
Merged contribution with public review history, repository context, and implementation details available on GitHub.
sugarlabs/musicblocksPR #6964★ 860JavaScriptfix: disconnect synth before toDestination to prevent duplicate audio graph connections
Merged contribution with public review history, repository context, and implementation details available on GitHub.
sugarlabs/musicblocksPR #6902★ 860JavaScriptfix: remove drag-and-drop listeners on sampler widget close
js/widgets/sampler.js registered dragover and drop event listeners using anonymous arrow functions in the draganddrop method lines 400-412....
sugarlabs/musicblocksPR #6901★ 860JavaScriptfix: replace document.onkeydown with addEventListener in help widget
The help widget directly overwrote document.onkeydown in two places lines 126 and 534 to set up arrow key navigation. This silently broke ke...
sugarlabs/musicblocksPR #6900★ 860JavaScriptfix: add epoch guard before setNote in synthutils
The triggerAttackRelease path line 1945 correctly checks this.instrumentEpoch === epoch before playing a note, but the setNote path lines 19...
sugarlabs/musicblocksPR #6896★ 860JavaScriptfix: guard against division by zero in PhraseMaker audio
js/widgets/PhraseMakerAudio.js:314 computed 1 / cell.getAttribute"alt" without validation: These corrupt all downstream duration calculation...
sugarlabs/musicblocksPR #6895★ 860JavaScriptfix: add Secure and SameSite flags to setCookie
Cookies were set without security flags:
sugarlabs/musicblocksPR #6894★ 860JavaScriptfix: centralise hardcoded API keys into env.js
API keys were hardcoded directly in client-side JavaScript across multiple files: This made keys visible in DevTools/source, hard to rotate,...
sugarlabs/musicblocksPR #6893★ 860JavaScriptfix: guard indexOf() before array access in rubrics and turtle-singer
Array.indexOf returns -1 when an item is not found. Using that value directly causes: | js/rubrics.js | Guard both scoresPALS.indexOf... wit...
sugarlabs/musicblocksPR #6892★ 860JavaScriptfix: wrap JSON.parse in try-catch in Publisher.dataToTags
planet/js/Publisher.js:43 called JSON.parse directly without error handling. If a user loads a corrupted project or the server returns malfo...
sugarlabs/musicblocksPR #6871★ 860JavaScriptfix(#6870): clear typing indicator interval before resetting conversation
Merged contribution with public review history, repository context, and implementation details available on GitHub.

medic
11 PRs
medic/cht-corePR #11020★ 551JavaScriptfix(#11017): fix legacy UI styling gaps for UI extensions
Fixes two styling issues with UI Extensions when rendered under the legacy navigation canviewoldnavigation. 1. accentcolor not applied to se...
medic/cht-corePR #11023★ 551JavaScriptfix(#10679): prevent geolocation timeout from blocking form submission
Fixes https://github.com/medic/cht-core/issues/10679 When GPS signal is weak and coordinates haven't been acquired by the time a user submit...
medic/cht-corePR #11022★ 551JavaScriptfix(#11019): reload extension content when navigating between tabs
Fixes https://github.com/medic/cht-core/issues/11019 When navigating between multiple UI extension tabs, the UiExtensionsTabComponent was no...
medic/cht-corePR #10954★ 551JavaScriptfix(#10953): fix memory leak from unmanaged subscription in FastActionButtonComponent
The FastActionButtonComponent had a store subscription for Selectors.getDirection created in the constructor that was not added to the compo...
medic/cht-corePR #11021★ 551JavaScriptfeat(#11018): rebuild service worker on UI extension changes
Fixes https://github.com/medic/cht-core/issues/11018 When a ui-extension: document is created or updated in CouchDB, the service worker is n...
medic/cht-corePR #10986★ 551JavaScriptfix(#10985): add missing special character escaping in nouveau query builder
Merged contribution with public review history, repository context, and implementation details available on GitHub.
medic/cht-corePR #10989★ 551JavaScriptfix(#10987): pass container ID to togglePassword on login page
Merged contribution with public review history, repository context, and implementation details available on GitHub.
medic/cht-corePR #10932★ 551JavaScriptfix(#10931): fix broken aria-label binding and translate storage text
Merged contribution with public review history, repository context, and implementation details available on GitHub.
medic/cht-corePR #10928★ 551JavaScriptfeat(#10915): add cht- prefix to custom element name for UI extensions
Merged contribution with public review history, repository context, and implementation details available on GitHub.
medic/cht-corePR #10922★ 551JavaScriptfeat(#10904): route file attachments to correct sub-docs in report forms
When a report form contains db-doc="true" sub-documents with binary/file fields, attachments are now routed to the owning sub-document inste...
medic/cht-corePR #10918★ 551JavaScriptfeat(#10907): add accent color and styling support for UI extensions
Adds styling and theming capabilities to UI extensions, enabling extension authors to customize the visual appearance of their tabs within t...

