ant-design-vue/components/_util/createChainedFunction.js
2020-10-02 15:44:10 +08:00

23 lines
496 B
JavaScript

/**
* Safe chained function
*
* Will only create a new function if needed,
* otherwise will pass back existing functions or null.
*
* @returns {function|null}
*/
export default function createChainedFunction() {
const args = [].slice.call(arguments, 0);
if (args.length === 1) {
return args[0];
}
return function chainedFunction() {
for (let i = 0; i < args.length; i++) {
if (args[i] && args[i].apply) {
args[i].apply(this, arguments);
}
}
};
}