code: function _getWishContext(wish, wishContextTypes) {
    let wishContext = []
    wishContextTypes = wishContextTypes || ['all', 'any', 'none']
  
    wishContextTypes = _arrayify(wishContextTypes)
    _each(wishContextTypes, wishContextType => {
      if (wish.context[wishContextType]) {
        wishContext = wishContext.concat(wish.context[wishContextType])
      }
    })
  
    return wishContext
  }
docs: Gets the wish context based on the wishContextTypes.
  @param {object} wish
  @param {string|Array.<string>} wishContextTypes
  @returns {Array.<string>}
  @private