collection

Development

Generate a new Momentum CMS collection with fields, access control, and hooks

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I want to install this Agent Skill for this project in Codex.

Source SKILL.md: https://github.com/majiayu000/claude-skill-registry/blob/HEAD/skills/development/collection-donaldmurillo-momentum-cms-2/SKILL.md

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Generate Momentum CMS Collection

Create a new collection file following project conventions.

Arguments

$ARGUMENTS - Collection name (e.g., "posts", "products", "pages")

Steps

Create the collection file at src/collections/<name>.collection.ts
Use this template:

import {
  defineCollection,
  text,
  richText,
  number,
  date,
  checkbox,
  select,
  relationship,
} from '@momentumcms/core';

export const <PascalName> = defineCollection({
  slug: '<kebab-name>',

  admin: {
    useAsTitle: 'title', // or 'name' - the field to display as title
    defaultColumns: ['title', 'createdAt'],
    group: 'Content', // Admin sidebar group
  },

  access: {
    read: () => true,
    create: ({ req }) => !!req.user,
    update: ({ req }) => req.user?.role === 'admin',
    delete: ({ req }) => req.user?.role === 'admin',
  },

  hooks: {
    beforeChange: [],
    afterChange: [],
  },

  fields: [
    text('title', { required: true }),
    // Add more fields as needed
  ],
});

Add to momentum config. In src/momentum.config.ts, import and add to collections array:

import { <PascalName> } from './collections/<name>.collection';

// In config:
collections: [Posts, <PascalName>],

Remind user to run schema generation:

npx drizzle-kit generate
npx drizzle-kit push

Field Types Available

text(name, options) - Short text (minLength, maxLength)
textarea(name, options) - Multi-line text (rows, minLength, maxLength)
richText(name, options) - Rich text editor
number(name, options) - Numeric value (min, max, step)
date(name, options) - Date/datetime
checkbox(name, options) - Boolean
select(name, { options: [...] }) - Dropdown (hasMany for multi-select)
radio(name, { options: [...] }) - Radio buttons
email(name, options) - Email with validation
upload(name, { relationTo: 'media' }) - File upload
relationship(name, { collection: () => Ref }) - Reference to another collection
array(name, { fields: [...] }) - Array of objects (minRows, maxRows)
group(name, { fields: [...] }) - Nested object
blocks(name, { blocks: [...] }) - Content blocks
json(name, options) - Raw JSON
point(name, options) - Geolocation (lat/lng)
slug(name, { from: 'title' }) - Auto-generated slug

Layout Fields (visual only, no data storage)

tabs(name, { tabs: [{ label, fields }] }) - Tabbed sections
collapsible(name, { fields, defaultOpen }) - Expandable section
row(name, { fields }) - Horizontal row

Access Control Helpers

import {
	allowAll,
	denyAll,
	isAuthenticated,
	hasRole,
	hasAnyRole,
	isOwner,
	and,
	or,
	not,
} from '@momentumcms/core';