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Add serverPrefetch to list of lifecycle hooks called during SSR #244

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Add serverPrefetch to list of lifecycle hooks called during SSR #244

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2 changes: 1 addition & 1 deletion docs/guide/universal.md
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Expand Up @@ -10,7 +10,7 @@ Because the actual rendering process needs to be deterministic, we will also be

## Component Lifecycle Hooks

Since there are no dynamic updates, of all the lifecycle hooks, only `beforeCreate` and `created` will be called during SSR. This means any code inside other lifecycle hooks such as `beforeMount` or `mounted` will only be executed on the client.
Since there are no dynamic updates, of all the lifecycle hooks, only `beforeCreate`, `created` and `serverPrefetch` will be called during SSR. This means any code inside other lifecycle hooks such as `beforeMount` or `mounted` will only be executed on the client.

Another thing to note is that you should avoid code that produces global side effects in `beforeCreate` and `created`, for example setting up timers with `setInterval`. In client-side only code we may setup a timer and then tear it down in `beforeDestroy` or `destroyed`. However, because the destroy hooks will not be called during SSR, the timers will stay around forever. To avoid this, move your side-effect code into `beforeMount` or `mounted` instead.

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