sanity/src/core/scheduledPublishing/plugin/documentActions/schedule/index.ts

Sanity is a real-time content infrastructure with a scalable, hosted backend featuring a Graph Oriented Query Language (GROQ), asset pipelines and fast edge caches

import {type DocumentActionComponent, type DocumentActionsContext} from '../../../../config'
import {ScheduleAction} from './ScheduleAction'

type Action = DocumentActionComponent

export default function resolveDocumentActions(
  existingActions: Action[],
  context: DocumentActionsContext,
): Action[] {
  if (context.versionType === 'published') {
    return existingActions
  }

  // Add schedule action after default publish action
  const index = existingActions.findIndex((a) => a.action === 'publish')
  if (index < 0) {
    return [ScheduleAction, ...existingActions]
  }
  return existingActions.flatMap((action) =>
    action.action === 'publish' ? [action, ScheduleAction] : action,
  )
}