Function isSpecial

docs/app/js/sanddance-app.js:6897–6900

(value)

    return !!value && typeof value === "object";
}
function isSpecial(value) {
    var stringValue = Object.prototype.toString.call(value);
    return stringValue === "[object RegExp]" || stringValue === "[object Date]" || isReactElement(value);
}
// see https://github.com/facebook/react/blob/b5ac963fb791d1298e7f396236383bc955f916c1/src/isomorphic/classic/element/ReactElement.js#L21-L25
var canUseSymbol = typeof Symbol === "function" && Symbol.for;
var REACT_ELEMENT_TYPE = canUseSymbol ? Symbol.for("react.element") : 0xeac7;