nrgy/react.cjs

The library for reactive programming using efficient computing and MVC/MVVM patterns

"use strict";Object.defineProperty(exports, "__esModule", {value: true});

var _chunkDUWWIS26cjs = require('./chunk-DUWWIS26.cjs');



var _chunk4OYRW4HCcjs = require('./chunk-4OYRW4HC.cjs');

// src/react/useAtom.ts
var _react = require('react');
function useAtom(source) {
  const [value, setValue] = _react.useState.call(void 0, source);
  _react.useEffect.call(void 0, () => {
    const subscription = _chunk4OYRW4HCcjs.effect.call(void 0, source, (value2) => setValue(value2));
    return subscription.destroy;
  }, [source]);
  return value;
}

// src/react/useAtoms.ts

var EMPTY_ATOMS_SOURCES = {};
var EMPTY_ATOMS_RESULTS = {};
var useAtoms = function(sources) {
  const sourcesArg = sources != null ? sources : EMPTY_ATOMS_SOURCES;
  const $result = _react.useMemo.call(void 0, () => createComputedAtoms(sourcesArg), [sourcesArg]);
  return useAtom($result);
};
function createComputedAtoms(sources) {
  if (sources === EMPTY_ATOMS_SOURCES) {
    return _chunk4OYRW4HCcjs.compute.call(void 0, () => EMPTY_ATOMS_RESULTS);
  }
  return _chunk4OYRW4HCcjs.compute.call(void 0, 
    () => {
      const sourceAtoms = sources;
      const result = {};
      for (const key of Object.keys(sourceAtoms)) {
        result[key] = sourceAtoms[key]();
      }
      return result;
    },
    { equal: _chunkDUWWIS26cjs.objectEquals }
  );
}



exports.useAtom = useAtom; exports.useAtoms = useAtoms;