one/dist/esm/useBlocker.native.js

One is a new React Framework that makes Vite serve both native and web.

import { useNavigation } from "@react-navigation/native";
import * as React from "react";
function useBlocker(shouldBlock) {
  var navigation = useNavigation();
  var [state, setState] = React.useState("unblocked");
  var [pendingEvent, setPendingEvent] = React.useState(null);
  var [blockedLocation, setBlockedLocation] = React.useState(null);
  var shouldBlockRef = React.useRef(shouldBlock);
  shouldBlockRef.current = shouldBlock;
  React.useEffect(function () {
    var unsubscribe = navigation.addListener("beforeRemove", function (e) {
      var _e_data_action, _e_data;
      var currentShouldBlock = shouldBlockRef.current;
      var payload = (_e_data = e.data) === null || _e_data === void 0 ? void 0 : (_e_data_action = _e_data.action) === null || _e_data_action === void 0 ? void 0 : _e_data_action.payload;
      var nextLocation = (payload === null || payload === void 0 ? void 0 : payload.name) || "previous screen";
      var block = typeof currentShouldBlock === "function" ? currentShouldBlock({
        currentLocation: "",
        // Not easily available on native
        nextLocation,
        historyAction: "pop"
      }) : currentShouldBlock;
      if (!block) {
        return;
      }
      e.preventDefault();
      setPendingEvent(e);
      setBlockedLocation(nextLocation);
      setState("blocked");
    });
    return unsubscribe;
  }, [navigation]);
  var reset = React.useCallback(function () {
    setPendingEvent(null);
    setBlockedLocation(null);
    setState("unblocked");
  }, []);
  var proceed = React.useCallback(function () {
    if (!pendingEvent) return;
    setState("proceeding");
    navigation.dispatch(pendingEvent.data.action);
    setTimeout(function () {
      setPendingEvent(null);
      setBlockedLocation(null);
      setState("unblocked");
    }, 100);
  }, [navigation, pendingEvent]);
  if (state === "unblocked") {
    return {
      state: "unblocked"
    };
  }
  if (state === "proceeding") {
    return {
      state: "proceeding",
      location: blockedLocation
    };
  }
  return {
    state: "blocked",
    reset,
    proceed,
    location: blockedLocation
  };
}
function checkBlocker(_nextLocation) {
  var _historyAction = arguments.length > 1 && arguments[1] !== void 0 ? arguments[1] : "push";
  return false;
}
export { checkBlocker, useBlocker };
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