react-bootstrap
Version:
Bootstrap 3 components build with React
37 lines (33 loc) • 741 B
JavaScript
/**
* Safe chained function
*
* Will only create a new function if needed,
* otherwise will pass back existing functions or null.
*
* @param {function} one
* @param {function} two
* @returns {function|null}
*/
;
Object.defineProperty(exports, '__esModule', {
value: true
});
function createChainedFunction(one, two) {
var hasOne = typeof one === 'function';
var hasTwo = typeof two === 'function';
if (!hasOne && !hasTwo) {
return null;
}
if (!hasOne) {
return two;
}
if (!hasTwo) {
return one;
}
return function chainedFunction() {
one.apply(this, arguments);
two.apply(this, arguments);
};
}
exports['default'] = createChainedFunction;
module.exports = exports['default'];