budibase/packages/materialdesign-components/src/Common/FormfieldStore.js

import { writable } from "svelte/store"

function store() {
  const { set, update, subscribe } = writable({})

  function setInput(inp) {
    update(n => {
      n.input = inp
    })
  }

  return {
    subscribe,
    set,
    setInput,
  }
}

export const fieldStore = store()