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mi-mina/getOptionalProperty.js

Created April 8, 2019 10:13
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getOptionalProperty.js
function getOptionalProperty(obj, ...props) {
const val = obj[props[0]];
if (props.length === 1 || !val) return val;
const rest = props.slice(1);
return getOptionalProperty.apply(null, [val, ...rest]);
}
const user = { name: "fluffy" };
const zip = getOptionalProperty(user, "address", "zip");
console.log("zip", zip);
// From Fun fun function: https://www.youtube.com/watch?v=FKRVqtP8o48
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