fluorine-orchestra/src/util/toMap.js

A data orchestration layer for Fluorine

import invariant from 'invariant'
import { Map, Iterable } from 'immutable'

export default function toMap(value) {
  invariant(Iterable.isKeyed(value), 'toMap: `value` is expected to be a keyed iterable.')

  const item = Map.isMap(value) ? value : new Map(value)
  invariant(
    item.has('id') && typeof item.get('id') === 'string',
    'toMap: `value` is expected to contain an `id`.')

  return item
}