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frontend/node_modules/unload/dist/browserify.js

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+(function(){function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c="function"==typeof require&&require;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){var n=e[i][1][r];return o(n||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u="function"==typeof require&&require,i=0;i<t.length;i++)o(t[i]);return o}return r})()({1:[function(require,module,exports){
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports["default"] = void 0;
+
+/* global WorkerGlobalScope */
+function add(fn) {
+  if (typeof WorkerGlobalScope === 'function' && self instanceof WorkerGlobalScope) {// this is run inside of a webworker
+  } else {
+    /**
+     * if we are on react-native, there is no window.addEventListener
+     * @link https://github.com/pubkey/unload/issues/6
+     */
+    if (typeof window.addEventListener !== 'function') return;
+    /**
+     * for normal browser-windows, we use the beforeunload-event
+     */
+
+    window.addEventListener('beforeunload', function () {
+      fn();
+    }, true);
+    /**
+     * for iframes, we have to use the unload-event
+     * @link https://stackoverflow.com/q/47533670/3443137
+     */
+
+    window.addEventListener('unload', function () {
+      fn();
+    }, true);
+  }
+  /**
+   * TODO add fallback for safari-mobile
+   * @link https://stackoverflow.com/a/26193516/3443137
+   */
+
+}
+
+var _default = {
+  add: add
+};
+exports["default"] = _default;
+},{}],2:[function(require,module,exports){
+"use strict";
+
+var unload = require('./index.js');
+
+window['unload'] = unload;
+},{"./index.js":3}],3:[function(require,module,exports){
+"use strict";
+
+var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.add = add;
+exports.runAll = runAll;
+exports.removeAll = removeAll;
+exports.getSize = getSize;
+exports["default"] = void 0;
+
+var _detectNode = _interopRequireDefault(require("detect-node"));
+
+var _browser = _interopRequireDefault(require("./browser.js"));
+
+var _node = _interopRequireDefault(require("./node.js"));
+
+var USE_METHOD = _detectNode["default"] ? _node["default"] : _browser["default"];
+var LISTENERS = new Set();
+var startedListening = false;
+
+function startListening() {
+  if (startedListening) return;
+  startedListening = true;
+  USE_METHOD.add(runAll);
+}
+
+function add(fn) {
+  startListening();
+  if (typeof fn !== 'function') throw new Error('Listener is no function');
+  LISTENERS.add(fn);
+  var addReturn = {
+    remove: function remove() {
+      return LISTENERS["delete"](fn);
+    },
+    run: function run() {
+      LISTENERS["delete"](fn);
+      return fn();
+    }
+  };
+  return addReturn;
+}
+
+function runAll() {
+  var promises = [];
+  LISTENERS.forEach(function (fn) {
+    promises.push(fn());
+    LISTENERS["delete"](fn);
+  });
+  return Promise.all(promises);
+}
+
+function removeAll() {
+  LISTENERS.clear();
+}
+
+function getSize() {
+  return LISTENERS.size;
+}
+
+var _default = {
+  add: add,
+  runAll: runAll,
+  removeAll: removeAll,
+  getSize: getSize
+};
+exports["default"] = _default;
+},{"./browser.js":1,"./node.js":5,"@babel/runtime/helpers/interopRequireDefault":4,"detect-node":6}],4:[function(require,module,exports){
+function _interopRequireDefault(obj) {
+  return obj && obj.__esModule ? obj : {
+    "default": obj
+  };
+}
+
+module.exports = _interopRequireDefault;
+},{}],5:[function(require,module,exports){
+
+},{}],6:[function(require,module,exports){
+module.exports = false;
+
+
+},{}]},{},[2]);

frontend/node_modules/unload/dist/es/browser.js

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+/* global WorkerGlobalScope */
+function add(fn) {
+  if (typeof WorkerGlobalScope === 'function' && self instanceof WorkerGlobalScope) {// this is run inside of a webworker
+  } else {
+    /**
+     * if we are on react-native, there is no window.addEventListener
+     * @link https://github.com/pubkey/unload/issues/6
+     */
+    if (typeof window.addEventListener !== 'function') return;
+    /**
+     * for normal browser-windows, we use the beforeunload-event
+     */
+
+    window.addEventListener('beforeunload', function () {
+      fn();
+    }, true);
+    /**
+     * for iframes, we have to use the unload-event
+     * @link https://stackoverflow.com/q/47533670/3443137
+     */
+
+    window.addEventListener('unload', function () {
+      fn();
+    }, true);
+  }
+  /**
+   * TODO add fallback for safari-mobile
+   * @link https://stackoverflow.com/a/26193516/3443137
+   */
+
+}
+
+export default {
+  add: add
+};

frontend/node_modules/unload/dist/es/index.browserify.js

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+var unload = require('./index.js');
+
+window['unload'] = unload;

frontend/node_modules/unload/dist/es/index.js

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+import isNode from 'detect-node';
+import BrowserMethod from './browser.js';
+import NodeMethod from './node.js';
+var USE_METHOD = isNode ? NodeMethod : BrowserMethod;
+var LISTENERS = new Set();
+var startedListening = false;
+
+function startListening() {
+  if (startedListening) return;
+  startedListening = true;
+  USE_METHOD.add(runAll);
+}
+
+export function add(fn) {
+  startListening();
+  if (typeof fn !== 'function') throw new Error('Listener is no function');
+  LISTENERS.add(fn);
+  var addReturn = {
+    remove: function remove() {
+      return LISTENERS["delete"](fn);
+    },
+    run: function run() {
+      LISTENERS["delete"](fn);
+      return fn();
+    }
+  };
+  return addReturn;
+}
+export function runAll() {
+  var promises = [];
+  LISTENERS.forEach(function (fn) {
+    promises.push(fn());
+    LISTENERS["delete"](fn);
+  });
+  return Promise.all(promises);
+}
+export function removeAll() {
+  LISTENERS.clear();
+}
+export function getSize() {
+  return LISTENERS.size;
+}
+export default {
+  add: add,
+  runAll: runAll,
+  removeAll: removeAll,
+  getSize: getSize
+};

frontend/node_modules/unload/dist/es/node.js

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+// set to true to log events
+var DEBUG = false;
+
+function add(fn) {
+  process.on('exit', function () {
+    DEBUG && console.log('node: exit');
+    return fn();
+  });
+  /**
+   * on the following events,
+   * the process will not end if there are
+   * event-handlers attached,
+   * therefore we have to call process.exit()
+   */
+
+  process.on('beforeExit', function () {
+    DEBUG && console.log('node: beforeExit');
+    return fn().then(function () {
+      return process.exit();
+    });
+  }); // catches ctrl+c event
+
+  process.on('SIGINT', function () {
+    DEBUG && console.log('node: SIGNINT');
+    return fn().then(function () {
+      return process.exit();
+    });
+  }); // catches uncaught exceptions
+
+  process.on('uncaughtException', function (err) {
+    DEBUG && console.log('node: uncaughtException');
+    return fn().then(function () {
+      console.trace(err);
+      process.exit(1);
+    });
+  });
+}
+
+export default {
+  add: add
+};

frontend/node_modules/unload/dist/lib/browser.js

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+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports["default"] = void 0;
+
+/* global WorkerGlobalScope */
+function add(fn) {
+  if (typeof WorkerGlobalScope === 'function' && self instanceof WorkerGlobalScope) {// this is run inside of a webworker
+  } else {
+    /**
+     * if we are on react-native, there is no window.addEventListener
+     * @link https://github.com/pubkey/unload/issues/6
+     */
+    if (typeof window.addEventListener !== 'function') return;
+    /**
+     * for normal browser-windows, we use the beforeunload-event
+     */
+
+    window.addEventListener('beforeunload', function () {
+      fn();
+    }, true);
+    /**
+     * for iframes, we have to use the unload-event
+     * @link https://stackoverflow.com/q/47533670/3443137
+     */
+
+    window.addEventListener('unload', function () {
+      fn();
+    }, true);
+  }
+  /**
+   * TODO add fallback for safari-mobile
+   * @link https://stackoverflow.com/a/26193516/3443137
+   */
+
+}
+
+var _default = {
+  add: add
+};
+exports["default"] = _default;

frontend/node_modules/unload/dist/lib/index.browserify.js

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+"use strict";
+
+var unload = require('./index.js');
+
+window['unload'] = unload;

frontend/node_modules/unload/dist/lib/index.js

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+"use strict";
+
+var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.add = add;
+exports.runAll = runAll;
+exports.removeAll = removeAll;
+exports.getSize = getSize;
+exports["default"] = void 0;
+
+var _detectNode = _interopRequireDefault(require("detect-node"));
+
+var _browser = _interopRequireDefault(require("./browser.js"));
+
+var _node = _interopRequireDefault(require("./node.js"));
+
+var USE_METHOD = _detectNode["default"] ? _node["default"] : _browser["default"];
+var LISTENERS = new Set();
+var startedListening = false;
+
+function startListening() {
+  if (startedListening) return;
+  startedListening = true;
+  USE_METHOD.add(runAll);
+}
+
+function add(fn) {
+  startListening();
+  if (typeof fn !== 'function') throw new Error('Listener is no function');
+  LISTENERS.add(fn);
+  var addReturn = {
+    remove: function remove() {
+      return LISTENERS["delete"](fn);
+    },
+    run: function run() {
+      LISTENERS["delete"](fn);
+      return fn();
+    }
+  };
+  return addReturn;
+}
+
+function runAll() {
+  var promises = [];
+  LISTENERS.forEach(function (fn) {
+    promises.push(fn());
+    LISTENERS["delete"](fn);
+  });
+  return Promise.all(promises);
+}
+
+function removeAll() {
+  LISTENERS.clear();
+}
+
+function getSize() {
+  return LISTENERS.size;
+}
+
+var _default = {
+  add: add,
+  runAll: runAll,
+  removeAll: removeAll,
+  getSize: getSize
+};
+exports["default"] = _default;

frontend/node_modules/unload/dist/lib/node.js

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+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports["default"] = void 0;
+// set to true to log events
+var DEBUG = false;
+
+function add(fn) {
+  process.on('exit', function () {
+    DEBUG && console.log('node: exit');
+    return fn();
+  });
+  /**
+   * on the following events,
+   * the process will not end if there are
+   * event-handlers attached,
+   * therefore we have to call process.exit()
+   */
+
+  process.on('beforeExit', function () {
+    DEBUG && console.log('node: beforeExit');
+    return fn().then(function () {
+      return process.exit();
+    });
+  }); // catches ctrl+c event
+
+  process.on('SIGINT', function () {
+    DEBUG && console.log('node: SIGNINT');
+    return fn().then(function () {
+      return process.exit();
+    });
+  }); // catches uncaught exceptions
+
+  process.on('uncaughtException', function (err) {
+    DEBUG && console.log('node: uncaughtException');
+    return fn().then(function () {
+      console.trace(err);
+      process.exit(1);
+    });
+  });
+}
+
+var _default = {
+  add: add
+};
+exports["default"] = _default;