Files
payloadcms/docs/configuration/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

107 lines
8.4 KiB
Plaintext

---
title: Collection Configs
label: Collections
order: 20
desc: Structure your Collections for your needs by defining fields, adding slugs and labels, establishing access control, tying in hooks, setting timestamps and more.
keywords: collections, config, configuration, documentation, Content Management System, cms, headless, javascript, node, react, nextjs
---
A Collection is a group of records, called Documents, that all share a common schema. You can define as many Collections as your application needs. Each Document in a Collection is stored in the [Database](../database/overview) based on the [Fields](../fields/overview) that you define, and automatically generates a [Local API](../local-api/overview), [REST API](../rest-api/overview), and [GraphQL API](../graphql/overview) used to manage your Documents.
Collections are also used to achieve [Authentication](../authentication/overview) in Payload. By defining a Collection with `auth` options, that Collection receives additional operations to support user authentication.
Collections are the primary way to structure recurring data in your application, such as users, products, pages, posts, and other types of content that you might want to manage. Each Collection can have its own unique [Access Control](../access-control/overview), [Hooks](../hooks/overview), [Admin Options](#admin-options), and more.
To define a Collection Config, use the `collection` property in your [Payload Config](./overview):
```ts
import { buildConfig } from 'payload'
export default buildConfig({
// ...
collections: [ // highlight-line
// Your Collections go here
],
})
```
<Banner type="success">
<strong>Tip:</strong>
If your Collection is only ever meant to contain a single Document, consider using a [Global](./globals) instead.
</Banner>
## Config Options
It's often best practice to write your Collections in separate files and then import them into the main [Payload Config](../overview).
Here is what a simple Collection Config might look like:
```ts
import { CollectionConfig } from 'payload'
export const Posts: CollectionConfig = {
slug: 'posts',
fields: [
{
name: 'title',
type: 'text',
}
]
}
```
<Banner type="success">
<strong>Reminder:</strong>
For a more complex example, see the [Public Demo](https://github.com/payloadcms/public-demo) source code on GitHub, or the [Templates](https://github.com/payloadcms/payload/tree/main/templates) and [Examples](https://github.com/payloadcms/payload/tree/main/examples) directories in the Payload repository.
</Banner>
The following options are available:
| Option | Description |
|------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| **`admin`** | The configuration options for the Admin Panel. [More details](../admin/collections). |
| **`access`** | Provide Access Control functions to define exactly who should be able to do what with Documents in this Collection. [More details](../access-control/collections). |
| **`auth`** | Specify options if you would like this Collection to feature authentication. [More details](../authentication/overview). |
| **`custom`** | Extension point for adding custom data (e.g. for plugins) |
| **`disableDuplicate`** | When true, do not show the "Duplicate" button while editing documents within this Collection and prevent `duplicate` from all APIs. |
| **`defaultSort`** | Pass a top-level field to sort by default in the Collection List View. Prefix the name of the field with a minus symbol ("-") to sort in descending order. |
| **`dbName`** | Custom table or Collection name depending on the Database Adapter. Auto-generated from slug if not defined. |
| **`endpoints`** | Add custom routes to the REST API. Set to `false` to disable routes. [More details](../rest-api/overview#custom-endpoints). |
| **`fields`** \* | Array of field types that will determine the structure and functionality of the data stored within this Collection. [More details](../fields/overview). |
| **`graphQL`** | An object with `singularName` and `pluralName` strings used in schema generation. Auto-generated from slug if not defined. Set to `false` to disable GraphQL. |
| **`hooks`** | Entry point for Hooks. [More details](../hooks/overview#collection-hooks). |
| **`labels`** | Singular and plural labels for use in identifying this Collection throughout Payload. Auto-generated from slug if not defined. |
| **`slug`** \* | Unique, URL-friendly string that will act as an identifier for this Collection. |
| **`timestamps`** | Set to false to disable documents' automatically generated `createdAt` and `updatedAt` timestamps. |
| **`typescript`** | An object with property `interface` as the text used in schema generation. Auto-generated from slug if not defined. |
| **`upload`** | Specify options if you would like this Collection to support file uploads. For more, consult the [Uploads](../upload/overview) documentation. |
| **`versions`** | Set to true to enable default options, or configure with object properties. [More details](../versions/overview#collection-config). |
_\* An asterisk denotes that a property is required._
### Fields
Fields define the schema of the Documents within a Collection. To learn more, go to the [Fields](../fields/overview) documentation.
### Access Control
[Collection Access Control](../access-control/overview) determines what a user can and cannot do with any given Document within a Collection. To learn more, go to the [Access Control](../access-control/overview) documentation.
### Hooks
[Collection Hooks](../hooks/collections) allow you to tie into the lifecycle of your Documents so you can execute your own logic during specific events. To learn more, go to the [Hooks](../hooks/overview) documentation.
### Admin Options
You can customize the way that the [Admin Panel](../admin/overview) behaves on a Collection-by-Collection basis. To learn more, go to the [Collection Admin Options](../admin/collections) documentation.
## TypeScript
You can import types from Payload to help make writing your Collection configs easier and type-safe. There are two main types that represent the Collection Config, `CollectionConfig` and `SanitizeCollectionConfig`.
The `CollectionConfig` type represents a raw Collection Config in its full form, where only the bare minimum properties are marked as required. The `SanitizedCollectionConfig` type represents a Collection Config after it has been fully sanitized. Generally, this is only used internally by Payload.
```ts
import type { CollectionConfig, SanitizedCollectionConfig } from 'payload'
```