GoScrobble/web/node_modules/react-bootstrap/esm/createChainedFunction.js

36 lines
983 B
JavaScript

/**
* Safe chained function
*
* Will only create a new function if needed,
* otherwise will pass back existing functions or null.
*
* @param {function} functions to chain
* @returns {function|null}
*/
function createChainedFunction() {
for (var _len = arguments.length, funcs = new Array(_len), _key = 0; _key < _len; _key++) {
funcs[_key] = arguments[_key];
}
return funcs.filter(function (f) {
return f != null;
}).reduce(function (acc, f) {
if (typeof f !== 'function') {
throw new Error('Invalid Argument Type, must only provide functions, undefined, or null.');
}
if (acc === null) return f;
return function chainedFunction() {
for (var _len2 = arguments.length, args = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
args[_key2] = arguments[_key2];
}
// @ts-ignore
acc.apply(this, args); // @ts-ignore
f.apply(this, args);
};
}, null);
}
export default createChainedFunction;