@dillonkearns/elm-graphql/examples/src/subscription/node_modules/@jumpn/utils-composite/dist/haveSameProps.js.flow

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// @flow

import {curry} from "flow-static-land/lib/Fun";

import get from "./get";
import getKeys from "./getKeys";
import hasKey from "./hasKey";

import type {Composite} from "./types";

/**
 * Returns true if both composites have the same props or false otherwise.
 */
const haveSameProps = (c1: Composite, c2: Composite): boolean => {
  const keys1 = getKeys(c1);

  return (
    keys1.length === getKeys(c2).length &&
    keys1.every(k1 => hasKey(k1, c2) && get(k1, c1) === get(k1, c2))
  );
};

export default curry(haveSameProps);