feat: add destroy lifecycle hook to blocks #6678
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BeksOmega
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PR: feature
gonfunko
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Dec 5, 2022
core/block.ts
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| init?: (() => AnyDuringMigration)|null = undefined; | ||
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| /** An optional method called during disposal. */ | ||
| destroy?: (() => AnyDuringMigration)|null = undefined; |
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Why AnyDuringMigration as the return type rather than void? It also seems like it might be nicer to make it non-optional and just initialize it to null rather than undefined?
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I went with void & removed the |null. I thought undefined made more sense as a default value, since this property /is/ optional, and its either defined or its not.
gonfunko
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Dec 5, 2022
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The basics
npm run formatandnpm run lintThe details
Resolves
Fixes #6319 maybe actually finally
Proposed Changes
Adds a new
destroylifecycle hook that is called at the end ofdisposewhich can be used for cleanup (e.g. of any backing data models for the block).Reason for Changes
Sometimes you need to clean data up!
Test Coverage
Adds tests to make sure dispose gets called at the proper time, and events fired from it are actually fired.
Documentation
N/A
Additional Information
Putting this up as a draft until we're sure we're definitely happy with the design.