Using locally scoped variables for objects and documents in Sanity schema files.

 defineField({
      name: "sectionBlocks",
      type: "array",
      title: "Content Blocks",
      description: "Add, and edit section blocks",
      of: [
        {
          type: "reference",
          to: [
            { title: "Section Block", type: "sectionBlock" },
            { title: "Form", type: "form" },
            { title: "Tag Index", type: "tagIndex" }
          ],
        },
      ],
    }),

/**
 * OBJECTS : Root
 * Re-usable objects to make life easier
 */
import * as objects from "./objects";
const allObjects = Object.values(objects).map((myObject) => {
  return { ...myObject };
});

export default {
  types: [
    ...allDocuments,
    ...allConfigs,
    ...allObjects,
    ...allPlugs,
    ...allTagIndexTypes,
    ...allBlockTypeOptions,
    ...allMotionAnimationOptions
  ],
};

export { default as anchor } from './anchor'
export { default as animatedBLockConfig } from './animatedBlockConfig'
export { default as animatedLineConfig } from './animatedLineConfig'
export { default as animationKeysNumbers } from './animationKeysNumbers'

const wtf = defineType({
  name: "wtf",
  type: "object",
  title: "What the F",
  description:
    "So weird if this doesn't work",
  fields: [
    {
      name: "name",
      title: "Name",
      type: "string",
      description: "Internal Name for Reference Onl",
    }
  ]
})

fields: [
wtf,
defineField({....
]

defineField({
  ...brands,
  name: "field_name",
}),