/**
 * @description This function will ensure that we propertly treat a potential string value for a boolean attribute
 * as the boolean representation
 *
 * @param {string} attributeName Name of the boolean attribute we are normalizing for
 * @param {boolean|string} value Existing value of the boolean html attribute represented as a boolean or string
 *
 * @returns {boolean}
 */
export function normalizeBooleanAttribute(attributeName: string, value: boolean | string): boolean {
  let ret: boolean;

  // tslint:disable-next-line
  if (typeof value === 'string') {
    ret = value === '' || value.toLocaleLowerCase() === attributeName.toLocaleLowerCase();
  } else {
    ret = value as boolean;
  }

  return ret;
}

export function normalizeNumberAttribute(val: number | string | undefined): number | undefined | null {
  if (val === undefined || val === '' || val === 'undefined' || val === 'NaN') {
    return undefined;
  } else if (val === null || val === 'null') {
    return null;
  } else {
    return Number(val);
  }
}