Provider.js 2.7 KB

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  1. "use strict";
  2. exports.__esModule = true;
  3. exports.default = void 0;
  4. var React = _interopRequireWildcard(require("react"));
  5. var _Context = require("./Context");
  6. var _Subscription = require("../utils/Subscription");
  7. var _useIsomorphicLayoutEffect = require("../utils/useIsomorphicLayoutEffect");
  8. function _getRequireWildcardCache(nodeInterop) { if (typeof WeakMap !== "function") return null; var cacheBabelInterop = new WeakMap(); var cacheNodeInterop = new WeakMap(); return (_getRequireWildcardCache = function (nodeInterop) { return nodeInterop ? cacheNodeInterop : cacheBabelInterop; })(nodeInterop); }
  9. function _interopRequireWildcard(obj, nodeInterop) { if (!nodeInterop && obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(nodeInterop); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (key !== "default" && Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }
  10. function Provider({
  11. store,
  12. context,
  13. children,
  14. serverState,
  15. stabilityCheck = 'once',
  16. noopCheck = 'once'
  17. }) {
  18. const contextValue = React.useMemo(() => {
  19. const subscription = (0, _Subscription.createSubscription)(store);
  20. return {
  21. store,
  22. subscription,
  23. getServerState: serverState ? () => serverState : undefined,
  24. stabilityCheck,
  25. noopCheck
  26. };
  27. }, [store, serverState, stabilityCheck, noopCheck]);
  28. const previousState = React.useMemo(() => store.getState(), [store]);
  29. (0, _useIsomorphicLayoutEffect.useIsomorphicLayoutEffect)(() => {
  30. const {
  31. subscription
  32. } = contextValue;
  33. subscription.onStateChange = subscription.notifyNestedSubs;
  34. subscription.trySubscribe();
  35. if (previousState !== store.getState()) {
  36. subscription.notifyNestedSubs();
  37. }
  38. return () => {
  39. subscription.tryUnsubscribe();
  40. subscription.onStateChange = undefined;
  41. };
  42. }, [contextValue, previousState]);
  43. const Context = context || _Context.ReactReduxContext; // @ts-ignore 'AnyAction' is assignable to the constraint of type 'A', but 'A' could be instantiated with a different subtype
  44. return /*#__PURE__*/React.createElement(Context.Provider, {
  45. value: contextValue
  46. }, children);
  47. }
  48. var _default = Provider;
  49. exports.default = _default;