How to use the is-lite.undefined function in is-lite
To help you get started, we’ve selected a few is-lite examples, based on popular ways it is used in public projects.
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gilbarbara / react-joyride / src / modules / helpers.js View on Github 
export function isEqual(left: any, right: any): boolean {
let type;
const hasReactElement = isValidElement(left) || isValidElement(right);
const hasUndefined = is.undefined(left) || is.undefined(right);
if (getObjectType(left) !== getObjectType(right) || hasReactElement || hasUndefined) {
return false;
}
if (is.domElement(left)) {
return left.isSameNode(right);
}
if (is.number(left)) {
return left === right;
}
if (is.function(left)) {
return left.toString() === right.toString();
}
