refun/web/map-handlers.js

A collection of React Hook-enabled functions that compose harmoniously with each other. Similar to `recompose`, but:

import { useRef } from 'react';
import { getObjectKeys, EMPTY_OBJECT } from 'tsfn';
export var mapHandlers = function mapHandlers(handlers) {
  return function (props) {
    var actualHandlers = useRef(EMPTY_OBJECT);
    var propsRef = useRef(props);
    propsRef.current = props;

    if (actualHandlers.current === EMPTY_OBJECT) {
      actualHandlers.current = getObjectKeys(handlers).reduce(function (result, key) {
        result[key] = function () {
          return handlers[key](propsRef.current).apply(void 0, arguments);
        };

        return result;
      }, {});
    }

    return Object.assign({}, props, actualHandlers.current);
  };
};
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