[RFR] Improve translation loading - #3152
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April 21, 2019 08:45
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Build is failing because you did not apply eslint on the modified files. |
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Oops, true, fixed it. Thanks 🙌 |
djhi
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Apr 21, 2019
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This might be improved to delay it for a short while, so there is no spinner when the messages are returned immediately.
I tried it on the demo. It does not even appear. It does trigger a useless state update though. I don't think it matters
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| componentDidUpdate(prevProps) { | ||
| if (prevProps.locale !== this.props.locale) { | ||
| if (prevProps.locale !== this.props.locale || prevProps.messages !== this.props.messages) { |
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You're comparing object references here for messages. This should be enough as the reference to the messages object should change when loading new ones
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Thanks! |
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These changes do two things:
When receiving a new locale and messages it's not only checked if the locale has changed but also if the messages have changed. This fixes Translations not updating using an async function as provider and not changing language key #3139 .
Object comparison might not be the best use here, but I think that the messages object won't be too large for it to still be performant.
It will start showing the fetch spinner before loading the translations and end it afterwards. This is useful when translations are loaded async. When it takes longer, the user doesn't know that anything is happening and then suddenly the strings switch.
This might be improved to delay it for a short while, so there is no spinner when the messages are returned immediately.