sourcesContent":["/**\n * Check if the given variable is a function\n * @method\n * @memberof Popper.Utils\n * @argument {Any} functionToCheck - variable to check\n * @returns {Boolean} answer to: is a function?\n */\nexport default function isFunction(functionToCheck) {\n  const getType = {};\n  return (\n    functionToCheck &&\n    getType.toString.call(functionToCheck) === '[object Function]'\n  );\n}\n","/**\n * Get CSS computed property of the given element\n * @method\n * @memberof Popper.Utils\n...