34 lines
941 B
Markdown
34 lines
941 B
Markdown
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---
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title: Sharing data between parts
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for: developers
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about: Shows how you use the pattern store to share data between parts
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---
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Sometimes, you'll want to access data from one part into another part.
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For example, you may store the length of the armhole in your front and back parts,
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and then read that value when drafting the sleeve so you can verify the sleeve fits the armhole.
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For this, you should use the [Store](/reference/api/store/), which is available via
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the [shorthand](/howtos/core/shorthand/) call:
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```js
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export default function(part) {
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let { store } = part.shorthand();
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store.set('hello', 'world');
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return part();
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}
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```
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```js
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export default function(part) {
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let { store } = part.shorthand();
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store.get('hello'); // Returns 'world'
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return part();
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}
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```
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In a case like this, the order in which parts are drafted becomes important, so you
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should reflect that in the [pattern configuration](/reference/config/).
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