use-lodash-debounce-throttle/lib/use-stable-memo.js

Bring debounce & throttle of lodash version to react-hooks

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports["default"] = useStableMemo;

var _react = require("react");

function useStableMemo(nextCreate, deps) {
  var valueRef = (0, _react.useRef)(undefined);
  var depsRef = (0, _react.useRef)(undefined);

  if (depsRef.current && deps && areHookInputsEqual(deps, depsRef.current)) {
    return valueRef.current;
  }

  valueRef.current = nextCreate();
  depsRef.current = deps;
  return valueRef.current;
}

function areHookInputsEqual(nextDeps, prevDeps) {
  for (var i = 0; i < prevDeps.length && i < nextDeps.length; i++) {
    if (Object.is(nextDeps[i], prevDeps[i])) {
      continue;
    }

    return false;
  }

  return true;
}