skypager-repl/dist/app/signal.js

an awesome repl

"use strict";

/* eslint-disable */
if (module.hot) {
  var checkForUpdate = function checkForUpdate(fromUpdate) {
    module.hot.check(function (err, updatedModules) {
      if (err) {
        if (module.hot.status() in {
          abort: 1,
          fail: 1
        }) {
          console.debug("[HMR] Cannot apply update.");
          console.debug("[HMR] " + err.stack || err.message);
          console.debug("[HMR] You need to restart the application!");
        } else {
          console.debug("[HMR] Update failed: " + err.stack || err.message);
        }
        return;
      }
      if (!updatedModules) {
        return;
      }

      module.hot.apply({
        ignoreUnaccepted: true
      }, function (err, renewedModules) {
        if (err) {
          if (module.hot.status() in {
            abort: 1,
            fail: 1
          }) {
            console.debug("[HMR] Cannot apply update (Need to do a full reload!)");
            console.debug("[HMR] " + err.stack || err.message);
            console.debug("[HMR] You need to restart the application!");
          } else {
            console.debug("[HMR] Update failed: " + err.stack || err.message);
          }
          return;
        }

        checkForUpdate(true);
      });
    });
  };

  process.on("SIGUSR2", function () {
    console.debug('GOT SIG');
    if (module.hot.status() !== "idle") {
      console.debug("[HMR] Got signal but currently in " + module.hot.status() + " state.");
      console.debug("[HMR] Need to be in idle state to start hot update.");
      return;
    }

    checkForUpdate();
  });
} else {
  throw new Error("[HMR] Hot Module Replacement is disabled.");
}
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