only-dev-server.js
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/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
/*globals __webpack_hash__ */
if(module.hot) {
var lastHash;
var upToDate = function upToDate() {
return lastHash.indexOf(__webpack_hash__) >= 0;
};
var log = require("./log");
var check = function check() {
module.hot.check().then(function(updatedModules) {
if(!updatedModules) {
log("warning", "[HMR] Cannot find update. Need to do a full reload!");
log("warning", "[HMR] (Probably because of restarting the webpack-dev-server)");
return;
}
return module.hot.apply({
ignoreUnaccepted: true,
ignoreDeclined: true,
ignoreErrored: true,
onUnaccepted: function(data) {
log("warning", "Ignored an update to unaccepted module " + data.chain.join(" -> "));
},
onDeclined: function(data) {
log("warning", "Ignored an update to declined module " + data.chain.join(" -> "));
},
onErrored: function(data) {
log("error", data.error);
log("warning", "Ignored an error while updating module " + data.moduleId + " (" + data.type + ")");
}
}).then(function(renewedModules) {
if(!upToDate()) {
check();
}
require("./log-apply-result")(updatedModules, renewedModules);
if(upToDate()) {
log("info", "[HMR] App is up to date.");
}
});
}).catch(function(err) {
var status = module.hot.status();
if(["abort", "fail"].indexOf(status) >= 0) {
log("warning", "[HMR] Cannot check for update. Need to do a full reload!");
log("warning", "[HMR] " + err.stack || err.message);
} else {
log("warning", "[HMR] Update check failed: " + err.stack || err.message);
}
});
};
var hotEmitter = require("./emitter");
hotEmitter.on("webpackHotUpdate", function(currentHash) {
lastHash = currentHash;
if(!upToDate()) {
var status = module.hot.status();
if(status === "idle") {
log("info", "[HMR] Checking for updates on the server...");
check();
} else if(["abort", "fail"].indexOf(status) >= 0) {
log("warning", "[HMR] Cannot apply update as a previous update " + status + "ed. Need to do a full reload!");
}
}
});
log("info", "[HMR] Waiting for update signal from WDS...");
} else {
throw new Error("[HMR] Hot Module Replacement is disabled.");
}