| 1 | /*
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| 2 | MIT License http://www.opensource.org/licenses/mit-license.php
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| 3 | Author Tobias Koppers @sokra
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| 4 | */
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| 5 | /* globals __webpack_hash__ */
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| 6 | if (module.hot) {
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| 7 | /** @type {undefined|string} */
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| 8 | var lastHash;
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| 9 | var upToDate = function upToDate() {
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| 10 | return /** @type {string} */ (lastHash).indexOf(__webpack_hash__) >= 0;
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| 11 | };
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| 12 | var log = require("./log");
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| 13 | var check = function check() {
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| 14 | module.hot
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| 15 | .check()
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| 16 | .then(function (updatedModules) {
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| 17 | if (!updatedModules) {
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| 18 | log("warning", "[HMR] Cannot find update. Need to do a full reload!");
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| 19 | log(
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| 20 | "warning",
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| 21 | "[HMR] (Probably because of restarting the webpack-dev-server)"
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| 22 | );
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| 23 | return;
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| 24 | }
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| 25 |
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| 26 | return module.hot
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| 27 | .apply({
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| 28 | ignoreUnaccepted: true,
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| 29 | ignoreDeclined: true,
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| 30 | ignoreErrored: true,
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| 31 | onUnaccepted: function (data) {
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| 32 | log(
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| 33 | "warning",
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| 34 | "Ignored an update to unaccepted module " +
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| 35 | data.chain.join(" -> ")
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| 36 | );
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| 37 | },
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| 38 | onDeclined: function (data) {
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| 39 | log(
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| 40 | "warning",
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| 41 | "Ignored an update to declined module " +
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| 42 | data.chain.join(" -> ")
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| 43 | );
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| 44 | },
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| 45 | onErrored: function (data) {
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| 46 | log("error", data.error);
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| 47 | log(
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| 48 | "warning",
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| 49 | "Ignored an error while updating module " +
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| 50 | data.moduleId +
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| 51 | " (" +
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| 52 | data.type +
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| 53 | ")"
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| 54 | );
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| 55 | }
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| 56 | })
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| 57 | .then(function (renewedModules) {
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| 58 | if (!upToDate()) {
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| 59 | check();
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| 60 | }
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| 61 |
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| 62 | require("./log-apply-result")(updatedModules, renewedModules);
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| 63 |
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| 64 | if (upToDate()) {
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| 65 | log("info", "[HMR] App is up to date.");
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| 66 | }
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| 67 | });
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| 68 | })
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| 69 | .catch(function (err) {
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| 70 | var status = module.hot.status();
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| 71 | if (["abort", "fail"].indexOf(status) >= 0) {
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| 72 | log(
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| 73 | "warning",
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| 74 | "[HMR] Cannot check for update. Need to do a full reload!"
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| 75 | );
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| 76 | log("warning", "[HMR] " + log.formatError(err));
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| 77 | } else {
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| 78 | log("warning", "[HMR] Update check failed: " + log.formatError(err));
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| 79 | }
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| 80 | });
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| 81 | };
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| 82 | var hotEmitter = require("./emitter");
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| 83 | hotEmitter.on("webpackHotUpdate", function (currentHash) {
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| 84 | lastHash = currentHash;
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| 85 | if (!upToDate()) {
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| 86 | var status = module.hot.status();
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| 87 | if (status === "idle") {
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| 88 | log("info", "[HMR] Checking for updates on the server...");
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| 89 | check();
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| 90 | } else if (["abort", "fail"].indexOf(status) >= 0) {
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| 91 | log(
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| 92 | "warning",
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| 93 | "[HMR] Cannot apply update as a previous update " +
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| 94 | status +
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| 95 | "ed. Need to do a full reload!"
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| 96 | );
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| 97 | }
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| 98 | }
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| 99 | });
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| 100 | log("info", "[HMR] Waiting for update signal from WDS...");
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| 101 | } else {
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| 102 | throw new Error("[HMR] Hot Module Replacement is disabled.");
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| 103 | }
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