Files
payload/docs/admin/collections.mdx
Alessio Gravili 90b7b20699 feat!: beta-next (#7620)
This PR makes three major changes to the codebase:

1. [Component Paths](#component-paths)
Instead of importing custom components into your config directly, they
are now defined as file paths and rendered only when needed. That way
the Payload config will be significantly more lightweight, and ensures
that the Payload config is 100% server-only and Node-safe. Related
discussion: https://github.com/payloadcms/payload/discussions/6938

2. [Client Config](#client-config)
Deprecates the component map by merging its logic into the client
config. The main goal of this change is for performance and
simplification. There was no need to deeply iterate over the Payload
config twice, once for the component map, and another for the client
config. Instead, we can do everything in the client config one time.
This has also dramatically simplified the client side prop drilling
through the UI library. Now, all components can share the same client
config which matches the exact shape of their Payload config (with the
exception of non-serializable props and mapped custom components).

3. [Custom client component are no longer
server-rendered](#custom-client-components-are-no-longer-server-rendered)
Previously, custom components would be server-rendered, no matter if
they are server or client components. Now, only server components are
rendered on the server. Client components are automatically detected,
and simply get passed through as `MappedComponent` to be rendered fully
client-side.

## Component Paths

Instead of importing custom components into your config directly, they
are now defined as file paths and rendered only when needed. That way
the Payload config will be significantly more lightweight, and ensures
that the Payload config is 100% server-only and Node-safe. Related
discussion: https://github.com/payloadcms/payload/discussions/6938

In order to reference any custom components in the Payload config, you
now have to specify a string path to the component instead of importing
it.

Old:

```ts
import { MyComponent2} from './MyComponent2.js'

admin: {
  components: {
    Label: MyComponent2
  },
},
```

New:

```ts
admin: {
  components: {
    Label: '/collections/Posts/MyComponent2.js#MyComponent2', // <= has to be a relative path based on a baseDir configured in the Payload config - NOT relative based on the importing file
  },
},
```

### Local API within Next.js routes

Previously, if you used the Payload Local API within Next.js pages, all
the client-side modules are being added to the bundle for that specific
page, even if you only need server-side functionality.

This `/test` route, which uses the Payload local API, was previously 460
kb. It is now down to 91 kb and does not bundle the Payload client-side
admin panel anymore.

All tests done
[here](https://github.com/payloadcms/payload-3.0-demo/tree/feat/path-test)
with beta.67/PR, db-mongodb and default richtext-lexical:

**dev /admin before:**
![CleanShot 2024-07-29 at 22 49
12@2x](https://github.com/user-attachments/assets/4428e766-b368-4bcf-8c18-d0187ab64f3e)

**dev /admin after:**
![CleanShot 2024-07-29 at 22 50
49@2x](https://github.com/user-attachments/assets/f494c848-7247-4b02-a650-a3fab4000de6)

---

**dev /test before:**
![CleanShot 2024-07-29 at 22 56
18@2x](https://github.com/user-attachments/assets/1a7e9500-b859-4761-bf63-abbcdac6f8d6)

**dev /test after:**
![CleanShot 2024-07-29 at 22 47
45@2x](https://github.com/user-attachments/assets/f89aa76d-f2d5-4572-9753-2267f034a45a)

---

**build before:**
![CleanShot 2024-07-29 at 22 57
14@2x](https://github.com/user-attachments/assets/5f8f7281-2a4a-40a5-a788-c30ddcdd51b5)

**build after::**
![CleanShot 2024-07-29 at 22 56
39@2x](https://github.com/user-attachments/assets/ea8772fd-512f-4db0-9a81-4b014715a1b7)

### Usage of the Payload Local API / config outside of Next.js

This will make it a lot easier to use the Payload config / local API in
other, server-side contexts. Previously, you might encounter errors due
to client files (like .scss files) not being allowed to be imported.

## Client Config

Deprecates the component map by merging its logic into the client
config. The main goal of this change is for performance and
simplification. There was no need to deeply iterate over the Payload
config twice, once for the component map, and another for the client
config. Instead, we can do everything in the client config one time.
This has also dramatically simplified the client side prop drilling
through the UI library. Now, all components can share the same client
config which matches the exact shape of their Payload config (with the
exception of non-serializable props and mapped custom components).

This is breaking change. The `useComponentMap` hook no longer exists,
and most component props have changed (for the better):

```ts
const { componentMap } = useComponentMap() // old
const { config } = useConfig() // new
```

The `useConfig` hook has also changed in shape, `config` is now a
property _within_ the context obj:

```ts
const config = useConfig() // old
const { config } = useConfig() // new
```

## Custom Client Components are no longer server rendered

Previously, custom components would be server-rendered, no matter if
they are server or client components. Now, only server components are
rendered on the server. Client components are automatically detected,
and simply get passed through as `MappedComponent` to be rendered fully
client-side.

The benefit of this change:

Custom client components can now receive props. Previously, the only way
for them to receive dynamic props from a parent client component was to
use hooks, e.g. `useFieldProps()`. Now, we do have the option of passing
in props to the custom components directly, if they are client
components. This will be simpler than having to look for the correct
hook.

This makes rendering them on the client a little bit more complex, as
you now have to check if that component is a server component (=>
already has been rendered) or a client component (=> not rendered yet,
has to be rendered here). However, this added complexity has been
alleviated through the easy-to-use `<RenderMappedComponent />` helper.

This helper now also handles rendering arrays of custom components (e.g.
beforeList, beforeLogin ...), which actually makes rendering custom
components easier in some cases.

## Misc improvements

This PR includes misc, breaking changes. For example, we previously
allowed unions between components and config object for the same
property. E.g. for the custom view property, you were allowed to pass in
a custom component or an object with other properties, alongside a
custom component.

Those union types are now gone. You can now either pass an object, or a
component. The previous `{ View: MyViewComponent}` is now `{ View: {
Component: MyViewComponent} }` or `{ View: { Default: { Component:
MyViewComponent} } }`.

This dramatically simplifies the way we read & process those properties,
especially in buildComponentMap. We can now simply check for the
existence of one specific property, which always has to be a component,
instead of running cursed runtime checks on a shared union property
which could contain a component, but could also contain functions or
objects.

![CleanShot 2024-07-29 at 23 07
07@2x](https://github.com/user-attachments/assets/1e75aa4c-7a4c-419f-9070-216bb7b9a5e5)

![CleanShot 2024-07-29 at 23 09
40@2x](https://github.com/user-attachments/assets/b4c96450-6b7e-496c-a4f7-59126bfd0991)

- [x] I have read and understand the
[CONTRIBUTING.md](https://github.com/payloadcms/payload/blob/main/CONTRIBUTING.md)
document in this repository.

---------

Co-authored-by: PatrikKozak <patrik@payloadcms.com>
Co-authored-by: Paul <paul@payloadcms.com>
Co-authored-by: Paul Popus <paul@nouance.io>
Co-authored-by: Jacob Fletcher <jacobsfletch@gmail.com>
Co-authored-by: James <james@trbl.design>
2024-08-13 12:54:33 -04:00

173 lines
11 KiB
Plaintext

---
title: Collection Admin Config
label: Collections
order: 20
desc:
keywords: admin, components, custom, documentation, Content Management System, cms, headless, javascript, node, react, nextjs
---
The behavior of [Collections](../configuration/collections) within the [Admin Panel](./overview) can be fully customized to fit the needs of your application. This includes grouping or hiding their navigation links, adding [Custom Components](./components), selecting which fields to display in the List View, and more.
To configure Admin Options for Collections, use the `admin` property in your Collection Config:
```ts
import { CollectionConfig } from 'payload'
export const MyCollection: CollectionConfig = {
// ...
admin: { // highlight-line
// ...
},
}
```
## Admin Options
The following options are available:
| Option | Description |
| ---------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| **`group`** | Text used as a label for grouping Collection and Global links together in the navigation. |
| **`hidden`** | Set to true or a function, called with the current user, returning true to exclude this Collection from navigation and admin routing. |
| **`hooks`** | Admin-specific hooks for this Collection. [More details](../hooks/collections). |
| **`useAsTitle`** | Specify a top-level field to use for a document title throughout the Admin Panel. If no field is defined, the ID of the document is used as the title. |
| **`description`** | Text or React component to display below the Collection label in the List View to give editors more information. |
| **`defaultColumns`** | Array of field names that correspond to which columns to show by default in this Collection's List View. |
| **`hideAPIURL`** | Hides the "API URL" meta field while editing documents within this Collection. |
| **`enableRichTextLink`** | The [Rich Text](../fields/rich-text) field features a `Link` element which allows for users to automatically reference related documents within their rich text. Set to `true` by default. |
| **`enableRichTextRelationship`** | The [Rich Text](../fields/rich-text) field features a `Relationship` element which allows for users to automatically reference related documents within their rich text. Set to `true` by default. |
| **`meta`** | Metadata overrides to apply to the Admin Panel. Included properties are `description` and `openGraph`. |
| **`preview`** | Function to generate preview URLs within the Admin Panel that can point to your app. [More details](#preview). |
| **`livePreview`** | Enable real-time editing for instant visual feedback of your front-end application. [More details](../live-preview/overview). |
| **`components`** | Swap in your own React components to be used within this Collection. [More details](#components). |
| **`listSearchableFields`** | Specify which fields should be searched in the List search view. [More details](#list-searchable-fields). |
| **`pagination`** | Set pagination-specific options for this Collection. [More details](#pagination). |
### Components
Collections can set their own [Custom Components](./components) which only apply to [Collection](../configuration/collections)-specific UI within the [Admin Panel](./overview). This includes elements such as the Save Button, or entire layouts such as the Edit View.
To override Collection Components, use the `admin.components` property in your [Collection Config](../configuration/collections):
```ts
import type { SanitizedCollectionConfig } from 'payload'
export const MyCollection: SanitizedCollectionConfig = {
// ...
admin: {
components: { // highlight-line
// ...
},
},
}
```
The following options are available:
| Path | Description |
| -------------------------- | ---------------------------------------------------------------------------------------------------------------------- |
| **`beforeList`** | An array of components to inject _before_ the built-in List View |
| **`beforeListTable`** | An array of components to inject _before_ the built-in List View's table |
| **`afterList`** | An array of components to inject _after_ the built-in List View |
| **`afterListTable`** | An array of components to inject _after_ the built-in List View's table |
| **`edit.SaveButton`** | Replace the default Save Button with a Custom Component. [Drafts](../versions/drafts) must be disabled. |
| **`edit.SaveDraftButton`** | Replace the default Save Draft Button with a Custom Component. [Drafts](../versions/drafts) must be enabled and autosave must be disabled. |
| **`edit.PublishButton`** | Replace the default Publish Button with a Custom Component. [Drafts](../versions/drafts) must be enabled. |
| **`edit.PreviewButton`** | Replace the default Preview Button with a Custom Component. [Preview](#preview) must be enabled. |
| **`views`** | Override or create new views within the Admin Panel. [More details](./views). |
<Banner type="success">
<strong>Note:</strong>
For details on how to build Custom Components, see [Building Custom Components](./components#building-custom-components).
</Banner>
### Preview
It is possible to display a Preview Button within the Edit View of the Admin Panel. This will allow editors to visit the frontend of your app the corresponds to the document they are actively editing. This way they can preview the latest, potentially unpublished changes.
To configure the Preview Button, set the `admin.preview` property to a function in your [Collection Config](../configuration/collections):
```ts
import { CollectionConfig } from 'payload'
export const Posts: CollectionConfig = {
// ...
admin: {
// highlight-start
preview: (doc, { locale }) => {
if (doc?.slug) {
return `/${doc.slug}?locale=${locale}`
}
return null
},
// highlight-end
},
}
```
The preview function receives two arguments:
| Argument | Description |
| --- | --- |
| **`doc`** | The Document being edited. |
| **`ctx`** | An object containing `locale` and `token` properties. The `token` is the currently logged-in user's JWT. |
<Banner type="success">
<strong>Note:</strong>
For fully working example of this, check of the official [Draft Preview Example](https://github.com/payloadcms/payload/tree/main/examples/draft-preview) in the [Examples Directory](https://github.com/payloadcms/payload/tree/main/examples).
</Banner>
### Pagination
All Collections receive their own List View which displays a paginated list of documents that can be sorted and filtered. The pagination behavior of the List View can be customized on a per-Collection basis, and uses the same [Pagination](../queries/pagination) API that Payload provides.
To configure pagination options, use the `admin.pagination` property in your [Collection Config](../configuration/collections):
```ts
import { CollectionConfig } from 'payload'
export const Posts: CollectionConfig = {
// ...
admin: {
// highlight-start
pagination: {
defaultLimit: 10,
limits: [10, 20, 50],
},
// highlight-end
},
}
```
The following options are available:
| Option | Description |
| -------------- | --------------------------------------------------------------------------------------------------- |
| `defaultLimit` | Integer that specifies the default per-page limit that should be used. Defaults to 10. |
| `limits` | Provide an array of integers to use as per-page options for admins to choose from in the List View. |
### List Searchable Fields
In the List View, there is a "search" box that allows you to quickly find a document through a simple text search. By default, it searches on the ID field. If defined, the `admin.useAsTitle` field is used. Or, you can explicitly define which fields to search based on the needs of your application.
To define which fields should be searched, use the `admin.listSearchableFields` property in your [Collection Config](../configuration/collections):
```ts
import { CollectionConfig } from 'payload'
export const Posts: CollectionConfig = {
// ...
admin: {
// highlight-start
listSearchableFields: ['title', 'slug'],
// highlight-end
},
}
```
<Banner type="warning">
<strong>Tip:</strong>
If you are adding `listSearchableFields`, make sure you index each of these fields so your admin queries can remain performant.
</Banner>