react-eventsource-hook/dist/index.cjs

⚠️ DEPRECATED: Use 'react-eventsource' instead. React hook for Server-Sent Events with custom headers support, built on @microsoft/fetch-event-source

"use strict";
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
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 __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);

// src/index.ts
var index_exports = {};
__export(index_exports, {
  useEventSource: () => useEventSource,
  useSSE: () => useEventSource
});
module.exports = __toCommonJS(index_exports);

// src/use-eventsource.ts
var import_react = require("react");
var import_fetch_event_source = require("@microsoft/fetch-event-source");
function useEventSource(options) {
  const { url, headers, method, body, onMessage, onOpen, onError, fetch: customFetch } = options;
  const [readyState, setReadyState] = (0, import_react.useState)(0);
  const controllerRef = (0, import_react.useRef)(null);
  const connect = () => {
    if (controllerRef.current) {
      controllerRef.current.abort();
    }
    const controller = new AbortController();
    controllerRef.current = controller;
    setReadyState(0);
    (0, import_fetch_event_source.fetchEventSource)(url, {
      method: method || "GET",
      headers,
      body,
      signal: controller.signal,
      fetch: customFetch,
      async onopen(response) {
        setReadyState(1);
        onOpen == null ? void 0 : onOpen(response);
      },
      onmessage(message) {
        onMessage == null ? void 0 : onMessage(message);
      },
      onerror(err) {
        setReadyState(2);
        onError == null ? void 0 : onError(err);
      }
    });
  };
  const close = () => {
    if (controllerRef.current) {
      controllerRef.current.abort();
      setReadyState(2);
    }
  };
  const reconnect = () => {
    connect();
  };
  (0, import_react.useEffect)(() => {
    connect();
    return () => {
      close();
    };
  }, [url, headers, method, body, onMessage, onOpen, onError]);
  return {
    readyState,
    close,
    reconnect
  };
}
// Annotate the CommonJS export names for ESM import in node:
0 && (module.exports = {
  useEventSource,
  useSSE
});
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