webpack/hot/only-dev-server.js

69 lines
1.8 KiB
JavaScript

/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
/*globals window __webpack_hash__ */
if(module.hot) {
var lastHash;
var upToDate = function upToDate() {
return lastHash.indexOf(__webpack_hash__) >= 0;
};
var check = function check() {
module.hot.check().then(function(updatedModules) {
if(!updatedModules) {
console.warn("[HMR] Cannot find update. Need to do a full reload!");
console.warn("[HMR] (Probably because of restarting the webpack-dev-server)");
return;
}
module.hot.apply({
ignoreUnaccepted: true
}, function(err, renewedModules) {
if(err) {
if(module.hot.status() in {
abort: 1,
fail: 1
}) {
console.warn("[HMR] Cannot apply update. Need to do a full reload!");
console.warn("[HMR] " + err.stack || err.message);
} else {
console.warn("[HMR] Update failed: " + err.stack || err.message);
}
return;
}
if(!upToDate()) {
check();
}
require("./log-apply-result")(updatedModules, renewedModules);
if(upToDate()) {
console.log("[HMR] App is up to date.");
}
});
}).catch(function(err) {
if(module.hot.status() in {
abort: 1,
fail: 1
}) {
console.warn("[HMR] Cannot check for update. Need to do a full reload!");
console.warn("[HMR] " + err.stack || err.message);
} else {
console.warn("[HMR] Update check failed: " + err.stack || err.message);
}
});
};
var hotEmitter = require("./emitter");
hotEmitter.on("webpackHotUpdate", function(currentHash) {
lastHash = currentHash;
if(!upToDate() && module.hot.status() === "idle") {
console.log("[HMR] Checking for updates on the server...");
check();
}
});
console.log("[HMR] Waiting for update signal from WDS...");
} else {
throw new Error("[HMR] Hot Module Replacement is disabled.");
}