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app_vue/node_modules/webpack/hot/signal.js

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+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+/* globals __resourceQuery */
+if (module.hot) {
+	var log = require("./log");
+
+	/**
+	 * @param {boolean=} fromUpdate true when called from update
+	 */
+	var checkForUpdate = function checkForUpdate(fromUpdate) {
+		module.hot
+			.check()
+			.then(function (updatedModules) {
+				if (!updatedModules) {
+					if (fromUpdate) log("info", "[HMR] Update applied.");
+					else log("warning", "[HMR] Cannot find update.");
+					return;
+				}
+
+				return module.hot
+					.apply({
+						ignoreUnaccepted: true,
+						onUnaccepted: function (data) {
+							log(
+								"warning",
+								"Ignored an update to unaccepted module " +
+									data.chain.join(" -> ")
+							);
+						}
+					})
+					.then(function (renewedModules) {
+						require("./log-apply-result")(updatedModules, renewedModules);
+
+						checkForUpdate(true);
+						return null;
+					});
+			})
+			.catch(function (err) {
+				var status = module.hot.status();
+				if (["abort", "fail"].indexOf(status) >= 0) {
+					log("warning", "[HMR] Cannot apply update.");
+					log("warning", "[HMR] " + log.formatError(err));
+					log("warning", "[HMR] You need to restart the application!");
+				} else {
+					log("warning", "[HMR] Update failed: " + (err.stack || err.message));
+				}
+			});
+	};
+
+	process.on(__resourceQuery.slice(1) || "SIGUSR2", function () {
+		if (module.hot.status() !== "idle") {
+			log(
+				"warning",
+				"[HMR] Got signal but currently in " + module.hot.status() + " state."
+			);
+			log("warning", "[HMR] Need to be in idle state to start hot update.");
+			return;
+		}
+
+		checkForUpdate();
+	});
+} else {
+	throw new Error("[HMR] Hot Module Replacement is disabled.");
+}