1 |
|
2 |
|
3 |
|
4 |
|
5 |
|
6 | if (module.hot) {
|
7 | var lastHash;
|
8 | var upToDate = function upToDate() {
|
9 | return lastHash.indexOf(__webpack_hash__) >= 0;
|
10 | };
|
11 | var log = require("./log");
|
12 | var check = function check() {
|
13 | module.hot
|
14 | .check(true)
|
15 | .then(function (updatedModules) {
|
16 | if (!updatedModules) {
|
17 | log("warning", "[HMR] Cannot find update. Need to do a full reload!");
|
18 | log(
|
19 | "warning",
|
20 | "[HMR] (Probably because of restarting the webpack-dev-server)"
|
21 | );
|
22 | window.location.reload();
|
23 | return;
|
24 | }
|
25 |
|
26 | if (!upToDate()) {
|
27 | check();
|
28 | }
|
29 |
|
30 | require("./log-apply-result")(updatedModules, updatedModules);
|
31 |
|
32 | if (upToDate()) {
|
33 | log("info", "[HMR] App is up to date.");
|
34 | }
|
35 | })
|
36 | .catch(function (err) {
|
37 | var status = module.hot.status();
|
38 | if (["abort", "fail"].indexOf(status) >= 0) {
|
39 | log(
|
40 | "warning",
|
41 | "[HMR] Cannot apply update. Need to do a full reload!"
|
42 | );
|
43 | log("warning", "[HMR] " + log.formatError(err));
|
44 | window.location.reload();
|
45 | } else {
|
46 | log("warning", "[HMR] Update failed: " + log.formatError(err));
|
47 | }
|
48 | });
|
49 | };
|
50 | var hotEmitter = require("./emitter");
|
51 | hotEmitter.on("webpackHotUpdate", function (currentHash) {
|
52 | lastHash = currentHash;
|
53 | if (!upToDate() && module.hot.status() === "idle") {
|
54 | log("info", "[HMR] Checking for updates on the server...");
|
55 | check();
|
56 | }
|
57 | });
|
58 | log("info", "[HMR] Waiting for update signal from WDS...");
|
59 | } else {
|
60 | throw new Error("[HMR] Hot Module Replacement is disabled.");
|
61 | }
|