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bbassieandClaude Opus 5.5
54e9340e61
Host not connected, host shutting down and instance not running are now UnavailableError (503) instead of ConflictError. The request error migration notes move to a new 2.1 guide, since this ships in 2.1. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
27 lines
1.3 KiB
Markdown
27 lines
1.3 KiB
Markdown
# Migrating Plugins to 2.1
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This guide covers the changes needed to bring a plugin written for 2.0 up to 2.1.
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Plugins still on an alpha should start with the [2.0 guide](plugin-migration-to-2.0.md).
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## Request errors
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`RequestError` is gone.
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Errors thrown by request handlers are now received by the requester as the same class, see [Request errors](/docs/writing-plugins.md#request-errors).
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Replace `RequestError` with the class that fits:
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- Invalid input: `ValidationError`.
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- Operation disabled by config: `ForbiddenError`.
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- Missing instance, user, save etc.: `NotFoundError`.
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- Instance running, name taken etc.: `ConflictError`.
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- Host not connected, instance not running: `UnavailableError`.
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- Timeouts: `TimeoutError`.
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`catch` blocks that check `err instanceof RequestError` should check `ClientError` instead, or the specific class.
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Checks of `err.code` for remote errors can use `instanceof`, e.g. `err instanceof lib.SessionLost`.
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The config errors `lib.InvalidValue`, `lib.InvalidField` and `lib.InvalidAccess` were renamed to `lib.InvalidValueError`, `lib.InvalidFieldError` and `lib.InvalidAccessError`.
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Errors of classes that are not registered, like a `TypeError` from a bug, are received as `InternalServerError`.
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Plugins that define their own error classes need to list them in `errors` of the plugin declaration.
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