@lyra/form-builder/lib/utils/isEmpty.js

Lyra form builder

'use strict';

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

var _hasOwn = require('./hasOwn');

var _hasOwn2 = _interopRequireDefault(_hasOwn);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function isEmptyObject(value /*: {[string]: any}*/) /*: boolean*/ {
  for (const key in value) {
    if (key === '_type' || key === '_key') {
      continue;
    }
    if ((0, _hasOwn2.default)(value, key) && !isEmpty(value[key])) {
      return false;
    }
  }
  return true;
}


function isEmptyArray(value /*: Array<any>*/) /*: boolean*/ {
  if (value === undefined) {
    return true;
  }

  for (let i = 0; i < value.length; i++) {
    if (isEmpty(value[i])) {
      return true;
    }
  }
  return false;
}

function isEmptyPrimitive(value /*: any*/) {
  return value === undefined;
}

function isEmpty(value /*: any*/) /*: boolean*/ {
  if (value === undefined) {
    return true;
  }
  const type = typeof value;
  if (type === 'object' && type !== null) {
    return isEmptyObject(value);
  }
  if (Array.isArray(value)) {
    return isEmptyArray(value);
  }
  return isEmptyPrimitive(value);
}