one/dist/cjs/useBlocker.native.js

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

"use strict";

var __create = Object.create;
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __getProtoOf = Object.getPrototypeOf;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
  for (var name in all) __defProp(target, name, {
    get: all[name],
    enumerable: true
  });
};
var __copyProps = (to, from, except, desc) => {
  if (from && typeof from === "object" || typeof from === "function") {
    for (let key of __getOwnPropNames(from)) if (!__hasOwnProp.call(to, key) && key !== except) __defProp(to, key, {
      get: () => from[key],
      enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable
    });
  }
  return to;
};
var __toESM = (mod, isNodeMode, target) => (target = mod != null ? __create(__getProtoOf(mod)) : {}, __copyProps(
// If the importer is in node compatibility mode or this is not an ESM
// file that has been converted to a CommonJS file using a Babel-
// compatible transform (i.e. "__esModule" has not been set), then set
// "default" to the CommonJS "module.exports" for node compatibility.
isNodeMode || !mod || !mod.__esModule ? __defProp(target, "default", {
  value: mod,
  enumerable: true
}) : target, mod));
var __toCommonJS = mod => __copyProps(__defProp({}, "__esModule", {
  value: true
}), mod);
var useBlocker_native_exports = {};
__export(useBlocker_native_exports, {
  checkBlocker: () => checkBlocker,
  useBlocker: () => useBlocker
});
module.exports = __toCommonJS(useBlocker_native_exports);
var import_native = require("@react-navigation/native");
var React = __toESM(require("react"), 1);
function useBlocker(shouldBlock) {
  var navigation = (0, import_native.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;
}
//# sourceMappingURL=useBlocker.native.js.map