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