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Update osa6c.md #3815

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6 changes: 6 additions & 0 deletions src/content/6/fi/osa6c.md
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Expand Up @@ -380,6 +380,12 @@ Molemmat komponentit dispatchaisivat ainoastaan actionin välittämättä siitä

Redux Thunkin ansiosta on mahdollista määritellä <i>action creatoreja</i>, jotka palauttavat objektin sijaan funktion. Tämän funktion parametreina ovat Redux-storen <em>dispatch</em>- ja <em>getState</em>-metodi. Tämän ansiosta on mahdollista toteuttaa asynkronisia action creatoreja, jotka ensin odottavat jonkin asynkronisen toimenpiteen valmistumista ja vasta sen jälkeen dispatchaavat varsinaisen actionin.

Asennetaan projektiin Redux-thunk

```bash
npm install redux-thunk@2.4.2
```

Voimme nyt määritellä muistiinpanojen alkutilan palvelimelta hakevan action creatorin <em>initializeNotes</em> seuraavasti:

```js
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