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) {
/** @type {undefined|string} */
var lastHash;
var upToDate = function upToDate() {
return /** @type {string} */ (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] " + log.formatError(err));
} else {
log("warning", "[HMR] Update check failed: " + log.formatError(err));
}
});
};
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.");
}