Recursive partial object matching with Jest expectations

nested_object.ts

import expect from "expect"
import lodash from "lodash"

function objectToNestedExpectations(input: any) {
  const target = {} as any

  for (const [key, value] of Object.entries(input)) {
    if (lodash.isPlainObject(value)) {
      target[key] = objectToNestedExpectations(value)
    } else {
      target[key] = value
    }
  }

  return expect.objectContaining(target)
}