sanity/src/_internal/cli/commands/check/checkCommand.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 CliCommandDefinition} from '@sanity/cli'

const checkCommand: CliCommandDefinition = {
  name: 'check',
  signature: '',
  description: '[deprecated]',
  helpText: '',
  hideFromHelp: true,
  action: (_args, context) => {
    const {output} = context
    output.print('`sanity check` is deprecated and no longer has any effect')
    return Promise.resolve()
  },
}

export default checkCommand