51 lines
1.2 KiB
JavaScript
51 lines
1.2 KiB
JavaScript
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/* global __resourceQuery */
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"use strict";
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var urlBase = decodeURIComponent(__resourceQuery.slice(1));
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/**
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* @param {{ data: string, onError: (err: Error) => void, active: boolean, module: module }} options options
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* @returns {() => void} function to destroy response
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*/
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exports.keepAlive = function (options) {
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var data = options.data;
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var onError = options.onError;
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var active = options.active;
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var module = options.module;
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/** @type {import("http").IncomingMessage} */
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var response;
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var request = (
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urlBase.startsWith("https") ? require("https") : require("http")
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).request(
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urlBase + data,
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{
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agent: false,
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headers: { accept: "text/event-stream" }
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},
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function (res) {
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response = res;
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response.on("error", errorHandler);
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if (!active && !module.hot) {
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console.log(
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"Hot Module Replacement is not enabled. Waiting for process restart..."
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);
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}
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}
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);
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/**
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* @param {Error} err error
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*/
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function errorHandler(err) {
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err.message =
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"Problem communicating active modules to the server: " + err.message;
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onError(err);
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}
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request.on("error", errorHandler);
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request.end();
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return function () {
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response.destroy();
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};
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};
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