### What:
This PR adds `limit` and `page` fields to the export options, allowing
users to control the number of documents exported and the page from
which to start the export. It also enforces that limit must be a
positive multiple of 100.
### Why:
This feature is needed to provide pagination support for large exports,
enabling users to export manageable chunks of data rather than the
entire dataset at once. Enforcing multiples-of-100 for `limit` ensures
consistent chunking behavior and prevents unexpected export issues.
### How:
- The `limit` field determines the maximum number of documents to export
and **must be a positive multiple of 100**.
- The `page` field defines the starting page of the export and is
displayed only when a `limit` is specified.
- If `limit` is cleared, the `page` resets to 1 to maintain consistency.
- Export logic was adjusted to respect the `limit` and `page` values
when fetching documents.
---------
Co-authored-by: Patrik Kozak <35232443+PatrikKozak@users.noreply.github.com>
### What?
Fixes an issue where CSV exports and the preview table displayed all
fields of documents in hasMany monomorphic relationships instead of only
their IDs.
### Why?
This caused cluttered output and inconsistent CSV formats, since only
IDs should be exported for hasMany monomorphic relationships.
### How?
Added explicit `toCSV` handling for all relationship types in
`getCustomFieldFunctions`, updated `flattenObject` to delegate to these
handlers, and adjusted `getFlattenedFieldKeys` to generate the correct
headers.
### What?
Fixes CSV export support for polymorphic relationship and upload fields.
### Why?
Polymorphic fields in Payload use a `{ relationTo, value }` structure.
The previous implementation incorrectly accessed `.id` directly on the
top-level object, which caused issues depending on query depth or data
shape. This led to missing or invalid values in exported CSVs.
### How?
- Updated getCustomFieldFunctions to safely access relationTo and
value.id from polymorphic fields
- Ensured `hasMany` polymorphic fields export each related ID and
relationTo as separate CSV columns
This makes it possible to add custom logic into how we map the document
data into the CSV data on a field-by-field basis.
- Allow custom data transformation to be added to
`custom.['plugin-import-export'].toCSV inside the field config
- Add type declaration to FieldCustom to improve types
- Export with `depth: 1`
Example:
```ts
{
name: 'customRelationship',
type: 'relationship',
relationTo: 'users',
custom: {
'plugin-import-export': {
toCSV: ({ value, columnName, row, siblingDoc, doc }) => {
row[`${columnName}_id`] = value.id
row[`${columnName}_email`] = value.email
},
},
},
},
```
Continuation of https://github.com/payloadcms/payload/pull/12265.
Currently, using `select` on new relationship virtual fields:
```
const doc = await payload.findByID({
collection: 'virtual-relations',
depth: 0,
id,
select: { postTitle: true },
})
```
doesn't work, because in order to calculate `post.title`, the `post`
field must be selected as well. This PR adds logic that sanitizes the
incoming `select` to include those relationships into `select` (that are
related to selected virtual fields)
---------
Co-authored-by: Dan Ribbens <dan.ribbens@gmail.com>
Adds new plugin-import-export initial version.
Allows for direct download and creation of downloadable collection data
stored to a json or csv uses the access control of the user creating the
request to make the file.
config options:
```ts
/**
* Collections to include the Import/Export controls in
* Defaults to all collections
*/
collections?: string[]
/**
* Enable to force the export to run synchronously
*/
disableJobsQueue?: boolean
/**
* This function takes the default export collection configured in the plugin and allows you to override it by modifying and returning it
* @param collection
* @returns collection
*/
overrideExportCollection?: (collection: CollectionOverride) => CollectionOverride
// payload.config.ts:
plugins: [
importExportPlugin({
collections: ['pages', 'users'],
overrideExportCollection: (collection) => {
collection.admin.group = 'System'
collection.upload.staticDir = path.resolve(dirname, 'uploads')
return collection
},
disableJobsQueue: true,
}),
],
```
---------
Co-authored-by: Jessica Chowdhury <jessica@trbl.design>
Co-authored-by: Kendell Joseph <kendelljoseph@gmail.com>
