@talend/react-bootstrap/lib/utils/createChainedFunction.js

Bootstrap 3 components built with React

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;
/**
 * 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(...funcs) {
  return funcs.filter(f => f != null).reduce((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(...args) {
      acc.apply(this, args);
      f.apply(this, args);
    };
  }, null);
}
var _default = exports.default = createChainedFunction;
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