23 lines
326 B
Markdown
23 lines
326 B
Markdown
---
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title: preInit
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---
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The `preInit` lifecycle hook runs just before a pattern will be initialized.
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## Signature
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```js
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null hook(Pattern pattern)
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```
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## Example
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```js
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pattern.on('preInit', pattern => {
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// Mutate the pattern object here
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}
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```
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## Notes
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The `preInit` hook is rarely used, but it's there if you need it.
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