Building a Custom Code Editor in React (Monaco + Chakra UI)

Hey,

Hope you're keeping well.

To reduce Monaco’s bundle size in a React app, use dynamic imports with React.lazy and the monaco-editor-webpack-plugin to only include required languages, and lazy-load additional language features on demand. For linting and Prettier, run ESLint and Prettier inside a Web Worker and feed results back via monaco.editor.setModelMarkers to avoid blocking the UI; JSX support requires setting the language mode to typescript with jsx: true in the compiler options. Theme management works well by mapping Chakra UI’s useColorMode values to Monaco via monaco.editor.defineTheme, persisting preferences in local storage or Azure App Service user settings for multi-user scenarios. If integrating into a .NET or ASP.NET Core backend, expose formatting or linting rules through APIs so the editor stays consistent with server-side validation.

Thanks and regards,

Taz

1 Reply

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Tasadduq Burney9mo ago
Hey,
Hope you're keeping well.
To reduce Monaco’s bundle size in a React app, use dynamic imports with React.lazy and the monaco-editor-webpack-plugin to only include required languages, and lazy-load additional language features on demand. For linting and Prettier, run ESLint and Prettier inside a Web Worker and feed results back via monaco.editor.setModelMarkers to avoid blocking the UI; JSX support requires setting the language mode to typescript with jsx: true in the compiler options. Theme management works well by mapping Chakra UI’s useColorMode values to Monaco via monaco.editor.defineTheme, persisting preferences in local storage or Azure App Service user settings for multi-user scenarios. If integrating into a .NET or ASP.NET Core backend, expose formatting or linting rules through APIs so the editor stays consistent with server-side validation.
Thanks and regards,
Taz
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