refactor: upgrade React 16 to 19 with function components#157
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magnus-madsen merged 1 commit intomasterfrom Mar 24, 2026
Merged
refactor: upgrade React 16 to 19 with function components#157magnus-madsen merged 1 commit intomasterfrom
magnus-madsen merged 1 commit intomasterfrom
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- Upgrade react/react-dom 16 → 19, reactstrap 8 → 9, react-ace 10 → 14, react-spinners 0.10 → 0.15 - Replace ReactDOM.render with createRoot from react-dom/client - Convert all 19 class components to function components with hooks - Remove string refs, dead code, and deprecated react-fontawesome (replaced with react-icons) - Switch JSX runtime from classic to automatic Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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Summary
ReactDOM.renderwithcreateRootfromreact-dom/clientreact-fontawesomepackage (replaced withFaExternalLinkAltfromreact-icons)toggleDropDown,getNameOfSelection), and deprecatedsizeUnitpropclassictoautomatic(no moreimport Reactboilerplate)Test plan
npm run dev— verify dev server starts, all pages render, Ace editor loads with Flix highlighting, WebSocket connectsnpm run build && npm run preview— verify production build completes and serves correctly🤖 Generated with Claude Code