@storm-stack/hooks/dist/use-network-state.cjs

A collection of React hooks used by Storm Software in various client libraries and applications.

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.useNetworkState = useNetworkState;
exports.useNetworkStateSubscribe = void 0;
var _isEqual = require("@storm-stack/types/type-checks/is-equal");
var _react = require("react");
const getConnection = () => {
  const connectionKey = "connection";
  const mozConnectionKey = "mozConnection";
  const webkitConnectionKey = "webkitConnection";
  return navigator[connectionKey] || navigator[mozConnectionKey] || navigator[webkitConnectionKey];
};
const useNetworkStateSubscribe = callback => {
  window.addEventListener("online", callback, {
    passive: true
  });
  window.addEventListener("offline", callback, {
    passive: true
  });
  const connection = getConnection();
  if (connection) {
    connection.addEventListener("change", callback, {
      passive: true
    });
  }
  return () => {
    window.removeEventListener("online", callback);
    window.removeEventListener("offline", callback);
    if (connection) {
      connection.removeEventListener("change", callback);
    }
  };
};
exports.useNetworkStateSubscribe = useNetworkStateSubscribe;
const getNetworkStateServerSnapshot = () => {
  throw Error("useNetworkState is a client-only hook");
};
function useNetworkState() {
  const cache = (0, _react.useRef)({});
  const getSnapshot = () => {
    const online = navigator.onLine;
    const connection = getConnection();
    const nextState = {
      online,
      downlink: connection?.downlink,
      downlinkMax: connection?.downlinkMax,
      effectiveType: connection?.effectiveType,
      rtt: connection?.rtt,
      saveData: connection?.saveData,
      type: connection?.type
    };
    if ((0, _isEqual.isEqual)(cache.current, nextState)) {
      return cache.current;
    } else {
      cache.current = nextState;
      return nextState;
    }
  };
  return (0, _react.useSyncExternalStore)(useNetworkStateSubscribe, getSnapshot, getNetworkStateServerSnapshot);
}