"use strict";

var _typeof = require("@babel/runtime-corejs3/helpers/typeof");

var _WeakMap = require("@babel/runtime-corejs3/core-js-stable/weak-map");

var _Object$getOwnPropertyDescriptor = require("@babel/runtime-corejs3/core-js-stable/object/get-own-property-descriptor");

var _interopRequireDefault = require("@babel/runtime-corejs3/helpers/interopRequireDefault");

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports["default"] = useCacheErrors;

var _slicedToArray2 = _interopRequireDefault(require("@babel/runtime-corejs3/helpers/slicedToArray"));

var React = _interopRequireWildcard(require("react"));

function _getRequireWildcardCache(nodeInterop) { if (typeof _WeakMap !== "function") return null; var cacheBabelInterop = new _WeakMap(); var cacheNodeInterop = new _WeakMap(); return (_getRequireWildcardCache = function _getRequireWildcardCache(nodeInterop) { return nodeInterop ? cacheNodeInterop : cacheBabelInterop; })(nodeInterop); }

function _interopRequireWildcard(obj, nodeInterop) { if (!nodeInterop && obj && obj.__esModule) { return obj; } if (obj === null || _typeof(obj) !== "object" && typeof obj !== "function") { return { "default": obj }; } var cache = _getRequireWildcardCache(nodeInterop); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && _Object$getOwnPropertyDescriptor; for (var key in obj) { if (key !== "default" && Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? _Object$getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj["default"] = obj; if (cache) { cache.set(obj, newObj); } return newObj; }

/**
 * Always debounce error to avoid [error -> null -> error] blink
 */
function useCacheErrors(errors, changeTrigger, directly) {
  var cacheRef = React.useRef({
    errors: errors,
    visible: !!errors.length
  });

  var _React$useState = React.useState({}),
      _React$useState2 = (0, _slicedToArray2["default"])(_React$useState, 2),
      forceUpdate = _React$useState2[1];

  var update = function update() {
    var prevVisible = cacheRef.current.visible;
    var newVisible = !!errors.length;
    var prevErrors = cacheRef.current.errors;
    cacheRef.current.errors = errors;
    cacheRef.current.visible = newVisible;

    if (prevVisible !== newVisible) {
      changeTrigger(newVisible);
    } else if (prevErrors.length !== errors.length || prevErrors.some(function (prevErr, index) {
      return prevErr !== errors[index];
    })) {
      forceUpdate({});
    }
  };

  React.useEffect(function () {
    if (!directly) {
      var timeout = setTimeout(update, 10);
      return function () {
        return clearTimeout(timeout);
      };
    }
  }, [errors]);

  if (directly) {
    update();
  }

  return [cacheRef.current.visible, cacheRef.current.errors];
}