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Joost De Cock ab3204f9f1 chore: Port FreeSewing.dev to docusaurus
The replaces the NextJS site powering FreeSewing.dev with a Docusaurus
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readme.mdx chore: Port FreeSewing.dev to docusaurus 2024-09-28 13:13:48 +02:00

---
title: Store.setIfUnset()
---

The `Store.set()` method stores the value of `value` in the store under key
`key`, but only if that key does not already hold a value.

## Signature

```js
Store store.set(mixed key, mixed value)
```

:::tipThis method is chainable as it returns the `Store` object:::

## Example

```js
const store = new Store()
store.set('example', 'Hi there')
store.setIfUnset('example', 'Hi again') // This has no effect
```