webpack/hot/poll.js

38 lines
1.1 KiB
JavaScript

/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
/*globals __resourceQuery */
if (module.hot) {
var hotPollInterval = +__resourceQuery.substr(1) || 10 * 60 * 1000;
var log = require("./log");
var checkForUpdate = function checkForUpdate(fromUpdate) {
if (module.hot.status() === "idle") {
module.hot
.check(true)
.then(function(updatedModules) {
if (!updatedModules) {
if (fromUpdate) log("info", "[HMR] Update applied.");
return;
}
require("./log-apply-result")(updatedModules, updatedModules);
checkForUpdate(true);
})
.catch(function(err) {
var status = module.hot.status();
if (["abort", "fail"].indexOf(status) >= 0) {
log("warning", "[HMR] Cannot apply update.");
log("warning", "[HMR] " + log.formatError(err));
log("warning", "[HMR] You need to restart the application!");
} else {
log("warning", "[HMR] Update failed: " + log.formatError(err));
}
});
}
};
setInterval(checkForUpdate, hotPollInterval);
} else {
throw new Error("[HMR] Hot Module Replacement is disabled.");
}