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29 lines
1.1 KiB
Markdown
29 lines
1.1 KiB
Markdown
# Add Item To An Array Of References In Sanity
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Let's say we have an existing record in our Sanity dataset. The schema for that
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record allows for an array of references to another type of record. As part of
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programmatically importing some data, we need to tie some records together by
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adding to that array of references.
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We've already set up our [Sanity client](https://www.sanity.io/docs/js-client)
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(via the JavaScript SDK). We have an `_id` for the record we want to patch. We
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have a `resourceId` for the resource that we want to _reference_ in the array.
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Here is how we perform that `patch`:
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```javascript
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await sanityClient
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.patch(_id)
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.setIfMissing({resources: []})
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.append('resources', [{_type: 'reference', _ref: resourceId}])
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.commit({autoGenerateArrayKeys: true})
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```
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1. We give it the `_id` of the record we want to `patch`.
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2. We set our array of `resources` to an empty array (`[]`) if it hasn't
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already been set.
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3. We `append` to the `resources` array with an array containing a single item,
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a reference to our resource.
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4. We `commit` the changes with the directive that Sanity should auto-generate
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the `_key` value for any new array items.
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