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/**
* Extracts event handlers from a given object.
* A prop is considered an event handler if it is a function and its name starts with `on`.
*
* @param object An object to extract event handlers from.
* @param excludeKeys An array of keys to exclude from the returned object.
*/
function extractEventHandlers(object) {
var excludeKeys = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : [];
if (object === undefined) {
return {};
}
var result = {};
Object.keys(object).filter(function (prop) {
return prop.match(/^on[A-Z]/) && typeof object[prop] === 'function' && !excludeKeys.includes(prop);
}).forEach(function (prop) {
result[prop] = object[prop];
});
return result;
}
export default extractEventHandlers; |