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David Glassborow davidglassborow

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Created Jan 28, 2020
FSharp OO cheat sheet
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Last active May 3, 2021
Lazy loading of localization texts in Fable

Lazy loading of localization texts in Fable

Fable 3, Elmish, .NET 5, React, Webpack 5, npm. Demo code at

At some point during the lifetime of your Fable application you may decide you need to support more than one language (in this post I am concerned with UI texts only, not data that is sent from the server) as well as the ability to switch the desired language on the fly. Let's say you have to support several languages with a ton of text each. Including them in your main application file/bundle will obviously make using them very straightforward and easy, but would prove incredibly wasteful. A single user will hardly use multiple languages, so having them download something they will never see or make use of does not make much sense.

While you could try using a full-fledged framework like react-i18next to handle all your localization needs, I'll detail the simplest means of getting parts of your UI localized tha