デプロイ時の修正

backend/Gemfile

@@ -35,6 +35,7 @@ gem "thruster", require: false
 # Use Rack CORS for handling Cross-Origin Resource Sharing (CORS), making cross-origin Ajax possible
 gem "rack-cors"
 gem 'jwt'
+gem 'sprockets-rails'
 
 group :development, :test do
   # See https://guides.rubyonrails.org/debugging_rails_applications.html#debugging-with-the-debug-gem

backend/Gemfile.lock

@@ -276,6 +276,13 @@ GEM
       fugit (~> 1.11.0)
       railties (>= 7.1)
       thor (~> 1.3.1)
+    sprockets (4.2.1)
+      concurrent-ruby (~> 1.0)
+      rack (>= 2.2.4, < 4)
+    sprockets-rails (3.5.2)
+      actionpack (>= 6.1)
+      activesupport (>= 6.1)
+      sprockets (>= 3.0.0)
     sqlite3 (2.6.0-aarch64-linux-gnu)
     sqlite3 (2.6.0-aarch64-linux-musl)
     sqlite3 (2.6.0-arm-linux-gnu)
@@ -338,6 +345,7 @@ DEPENDENCIES
   solid_cable
   solid_cache
   solid_queue
+  sprockets-rails
   sqlite3 (>= 2.1)
   thruster
   tzinfo-data

backend/app/assets/config/manifest.js

@@ -0,0 +1,3 @@
+//= link_tree ../images
+//= link_directory ../javascripts .js
+//= link_directory ../stylesheets .css

backend/public/assets/.sprockets-manifest-bc72bf50aa9693fc0bfc25057f1a5282.json

@@ -0,0 +1 @@
+{"files":{"manifest-6a3cf5192354f71615ac51034b3e97c20eda99643fcaf5bbe6d41ad59bd12167.js":{"logical_path":"manifest.js","mtime":"2025-02-26T00:16:38+09:00","size":3,"digest":"6a3cf5192354f71615ac51034b3e97c20eda99643fcaf5bbe6d41ad59bd12167","integrity":"sha256-ajz1GSNU9xYVrFEDSz6Xwg7amWQ/yvW75tQa1ZvRIWc="},"actiontext-9ccbf682451d439611fe5a048e55157c56038840ebb4a8292437eb55fd31c83d.js":{"logical_path":"actiontext.js","mtime":"2025-02-26T00:16:38+09:00","size":30872,"digest":"9ccbf682451d439611fe5a048e55157c56038840ebb4a8292437eb55fd31c83d","integrity":"sha256-nMv2gkUdQ5YR/loEjlUVfFYDiEDrtKgpJDfrVf0xyD0="},"actiontext.esm-6790d4daf5458cd6eb8de2d56e754a340caeba909cb2952a35fb478955493d8c.js":{"logical_path":"actiontext.esm.js","mtime":"2025-02-26T00:16:38+09:00","size":29011,"digest":"6790d4daf5458cd6eb8de2d56e754a340caeba909cb2952a35fb478955493d8c","integrity":"sha256-Z5DU2vVFjNbrjeLVbnVKNAyuupCcspUqNftHiVVJPYw="},"trix-488ac88b50edee8aab73dd826e9967075eed9000a13fd13cbcc17745f86650cc.js":{"logical_path":"trix.js","mtime":"2025-02-26T00:16:38+09:00","size":512990,"digest":"488ac88b50edee8aab73dd826e9967075eed9000a13fd13cbcc17745f86650cc","integrity":"sha256-SIrIi1Dt7oqrc92CbplnB17tkAChP9E8vMF3RfhmUMw="},"trix-4c7f56767699ae6c08f21004c9dc23a1b76b0734b0fca61d4534900ee0fef211.css":{"logical_path":"trix.css","mtime":"2025-02-26T00:16:38+09:00","size":20027,"digest":"4c7f56767699ae6c08f21004c9dc23a1b76b0734b0fca61d4534900ee0fef211","integrity":"sha256-TH9WdnaZrmwI8hAEydwjobdrBzSw/KYdRTSQDuD+8hE="},"activestorage-cf22a497d1956e8f0d3ec50f45d68961aa0d138ee062802c36ae384efb260aa2.js":{"logical_path":"activestorage.js","mtime":"2025-02-26T00:16:38+09:00","size":29420,"digest":"cf22a497d1956e8f0d3ec50f45d68961aa0d138ee062802c36ae384efb260aa2","integrity":"sha256-zyKkl9GVbo8NPsUPRdaJYaoNE47gYoAsNq44TvsmCqI="},"activestorage.esm-8bb028228e622c50501b3eb269cbe4044a46da07b565a90e5ae6f221dc06e485.js":{"logical_path":"activestorage.esm.js","mtime":"2025-02-26T00:16:38+09:00","size":27262,"digest":"8bb028228e622c50501b3eb269cbe4044a46da07b565a90e5ae6f221dc06e485","integrity":"sha256-i7AoIo5iLFBQGz6yacvkBEpG2ge1ZakOWubyIdwG5IU="},"actioncable-1a239ff96644bc8fd626f87a74175b4ee7eafd201f5034034a433c22d8c4dc3e.js":{"logical_path":"actioncable.js","mtime":"2025-02-26T00:16:38+09:00","size":16474,"digest":"1a239ff96644bc8fd626f87a74175b4ee7eafd201f5034034a433c22d8c4dc3e","integrity":"sha256-GiOf+WZEvI/WJvh6dBdbTufq/SAfUDQDSkM8ItjE3D4="},"actioncable.esm-555679e44f119be7a7e54121fca0beb0a5832f2933c1a1edcd0515bbafad22e0.js":{"logical_path":"actioncable.esm.js","mtime":"2025-02-26T00:16:38+09:00","size":14813,"digest":"555679e44f119be7a7e54121fca0beb0a5832f2933c1a1edcd0515bbafad22e0","integrity":"sha256-VVZ55E8Rm+en5UEh/KC+sKWDLykzwaHtzQUVu6+tIuA="}},"assets":{"manifest.js":"manifest-6a3cf5192354f71615ac51034b3e97c20eda99643fcaf5bbe6d41ad59bd12167.js","actiontext.js":"actiontext-9ccbf682451d439611fe5a048e55157c56038840ebb4a8292437eb55fd31c83d.js","actiontext.esm.js":"actiontext.esm-6790d4daf5458cd6eb8de2d56e754a340caeba909cb2952a35fb478955493d8c.js","trix.js":"trix-488ac88b50edee8aab73dd826e9967075eed9000a13fd13cbcc17745f86650cc.js","trix.css":"trix-4c7f56767699ae6c08f21004c9dc23a1b76b0734b0fca61d4534900ee0fef211.css","activestorage.js":"activestorage-cf22a497d1956e8f0d3ec50f45d68961aa0d138ee062802c36ae384efb260aa2.js","activestorage.esm.js":"activestorage.esm-8bb028228e622c50501b3eb269cbe4044a46da07b565a90e5ae6f221dc06e485.js","actioncable.js":"actioncable-1a239ff96644bc8fd626f87a74175b4ee7eafd201f5034034a433c22d8c4dc3e.js","actioncable.esm.js":"actioncable.esm-555679e44f119be7a7e54121fca0beb0a5832f2933c1a1edcd0515bbafad22e0.js"}}

backend/public/assets/actioncable-1a239ff96644bc8fd626f87a74175b4ee7eafd201f5034034a433c22d8c4dc3e.js

@@ -0,0 +1,510 @@
+(function(global, factory) {
+  typeof exports === "object" && typeof module !== "undefined" ? factory(exports) : typeof define === "function" && define.amd ? define([ "exports" ], factory) : (global = typeof globalThis !== "undefined" ? globalThis : global || self, 
+  factory(global.ActionCable = {}));
+})(this, (function(exports) {
+  "use strict";
+  var adapters = {
+    logger: typeof console !== "undefined" ? console : undefined,
+    WebSocket: typeof WebSocket !== "undefined" ? WebSocket : undefined
+  };
+  var logger = {
+    log(...messages) {
+      if (this.enabled) {
+        messages.push(Date.now());
+        adapters.logger.log("[ActionCable]", ...messages);
+      }
+    }
+  };
+  const now = () => (new Date).getTime();
+  const secondsSince = time => (now() - time) / 1e3;
+  class ConnectionMonitor {
+    constructor(connection) {
+      this.visibilityDidChange = this.visibilityDidChange.bind(this);
+      this.connection = connection;
+      this.reconnectAttempts = 0;
+    }
+    start() {
+      if (!this.isRunning()) {
+        this.startedAt = now();
+        delete this.stoppedAt;
+        this.startPolling();
+        addEventListener("visibilitychange", this.visibilityDidChange);
+        logger.log(`ConnectionMonitor started. stale threshold = ${this.constructor.staleThreshold} s`);
+      }
+    }
+    stop() {
+      if (this.isRunning()) {
+        this.stoppedAt = now();
+        this.stopPolling();
+        removeEventListener("visibilitychange", this.visibilityDidChange);
+        logger.log("ConnectionMonitor stopped");
+      }
+    }
+    isRunning() {
+      return this.startedAt && !this.stoppedAt;
+    }
+    recordMessage() {
+      this.pingedAt = now();
+    }
+    recordConnect() {
+      this.reconnectAttempts = 0;
+      delete this.disconnectedAt;
+      logger.log("ConnectionMonitor recorded connect");
+    }
+    recordDisconnect() {
+      this.disconnectedAt = now();
+      logger.log("ConnectionMonitor recorded disconnect");
+    }
+    startPolling() {
+      this.stopPolling();
+      this.poll();
+    }
+    stopPolling() {
+      clearTimeout(this.pollTimeout);
+    }
+    poll() {
+      this.pollTimeout = setTimeout((() => {
+        this.reconnectIfStale();
+        this.poll();
+      }), this.getPollInterval());
+    }
+    getPollInterval() {
+      const {staleThreshold: staleThreshold, reconnectionBackoffRate: reconnectionBackoffRate} = this.constructor;
+      const backoff = Math.pow(1 + reconnectionBackoffRate, Math.min(this.reconnectAttempts, 10));
+      const jitterMax = this.reconnectAttempts === 0 ? 1 : reconnectionBackoffRate;
+      const jitter = jitterMax * Math.random();
+      return staleThreshold * 1e3 * backoff * (1 + jitter);
+    }
+    reconnectIfStale() {
+      if (this.connectionIsStale()) {
+        logger.log(`ConnectionMonitor detected stale connection. reconnectAttempts = ${this.reconnectAttempts}, time stale = ${secondsSince(this.refreshedAt)} s, stale threshold = ${this.constructor.staleThreshold} s`);
+        this.reconnectAttempts++;
+        if (this.disconnectedRecently()) {
+          logger.log(`ConnectionMonitor skipping reopening recent disconnect. time disconnected = ${secondsSince(this.disconnectedAt)} s`);
+        } else {
+          logger.log("ConnectionMonitor reopening");
+          this.connection.reopen();
+        }
+      }
+    }
+    get refreshedAt() {
+      return this.pingedAt ? this.pingedAt : this.startedAt;
+    }
+    connectionIsStale() {
+      return secondsSince(this.refreshedAt) > this.constructor.staleThreshold;
+    }
+    disconnectedRecently() {
+      return this.disconnectedAt && secondsSince(this.disconnectedAt) < this.constructor.staleThreshold;
+    }
+    visibilityDidChange() {
+      if (document.visibilityState === "visible") {
+        setTimeout((() => {
+          if (this.connectionIsStale() || !this.connection.isOpen()) {
+            logger.log(`ConnectionMonitor reopening stale connection on visibilitychange. visibilityState = ${document.visibilityState}`);
+            this.connection.reopen();
+          }
+        }), 200);
+      }
+    }
+  }
+  ConnectionMonitor.staleThreshold = 6;
+  ConnectionMonitor.reconnectionBackoffRate = .15;
+  var INTERNAL = {
+    message_types: {
+      welcome: "welcome",
+      disconnect: "disconnect",
+      ping: "ping",
+      confirmation: "confirm_subscription",
+      rejection: "reject_subscription"
+    },
+    disconnect_reasons: {
+      unauthorized: "unauthorized",
+      invalid_request: "invalid_request",
+      server_restart: "server_restart",
+      remote: "remote"
+    },
+    default_mount_path: "/cable",
+    protocols: [ "actioncable-v1-json", "actioncable-unsupported" ]
+  };
+  const {message_types: message_types, protocols: protocols} = INTERNAL;
+  const supportedProtocols = protocols.slice(0, protocols.length - 1);
+  const indexOf = [].indexOf;
+  class Connection {
+    constructor(consumer) {
+      this.open = this.open.bind(this);
+      this.consumer = consumer;
+      this.subscriptions = this.consumer.subscriptions;
+      this.monitor = new ConnectionMonitor(this);
+      this.disconnected = true;
+    }
+    send(data) {
+      if (this.isOpen()) {
+        this.webSocket.send(JSON.stringify(data));
+        return true;
+      } else {
+        return false;
+      }
+    }
+    open() {
+      if (this.isActive()) {
+        logger.log(`Attempted to open WebSocket, but existing socket is ${this.getState()}`);
+        return false;
+      } else {
+        const socketProtocols = [ ...protocols, ...this.consumer.subprotocols || [] ];
+        logger.log(`Opening WebSocket, current state is ${this.getState()}, subprotocols: ${socketProtocols}`);
+        if (this.webSocket) {
+          this.uninstallEventHandlers();
+        }
+        this.webSocket = new adapters.WebSocket(this.consumer.url, socketProtocols);
+        this.installEventHandlers();
+        this.monitor.start();
+        return true;
+      }
+    }
+    close({allowReconnect: allowReconnect} = {
+      allowReconnect: true
+    }) {
+      if (!allowReconnect) {
+        this.monitor.stop();
+      }
+      if (this.isOpen()) {
+        return this.webSocket.close();
+      }
+    }
+    reopen() {
+      logger.log(`Reopening WebSocket, current state is ${this.getState()}`);
+      if (this.isActive()) {
+        try {
+          return this.close();
+        } catch (error) {
+          logger.log("Failed to reopen WebSocket", error);
+        } finally {
+          logger.log(`Reopening WebSocket in ${this.constructor.reopenDelay}ms`);
+          setTimeout(this.open, this.constructor.reopenDelay);
+        }
+      } else {
+        return this.open();
+      }
+    }
+    getProtocol() {
+      if (this.webSocket) {
+        return this.webSocket.protocol;
+      }
+    }
+    isOpen() {
+      return this.isState("open");
+    }
+    isActive() {
+      return this.isState("open", "connecting");
+    }
+    triedToReconnect() {
+      return this.monitor.reconnectAttempts > 0;
+    }
+    isProtocolSupported() {
+      return indexOf.call(supportedProtocols, this.getProtocol()) >= 0;
+    }
+    isState(...states) {
+      return indexOf.call(states, this.getState()) >= 0;
+    }
+    getState() {
+      if (this.webSocket) {
+        for (let state in adapters.WebSocket) {
+          if (adapters.WebSocket[state] === this.webSocket.readyState) {
+            return state.toLowerCase();
+          }
+        }
+      }
+      return null;
+    }
+    installEventHandlers() {
+      for (let eventName in this.events) {
+        const handler = this.events[eventName].bind(this);
+        this.webSocket[`on${eventName}`] = handler;
+      }
+    }
+    uninstallEventHandlers() {
+      for (let eventName in this.events) {
+        this.webSocket[`on${eventName}`] = function() {};
+      }
+    }
+  }
+  Connection.reopenDelay = 500;
+  Connection.prototype.events = {
+    message(event) {
+      if (!this.isProtocolSupported()) {
+        return;
+      }
+      const {identifier: identifier, message: message, reason: reason, reconnect: reconnect, type: type} = JSON.parse(event.data);
+      this.monitor.recordMessage();
+      switch (type) {
+       case message_types.welcome:
+        if (this.triedToReconnect()) {
+          this.reconnectAttempted = true;
+        }
+        this.monitor.recordConnect();
+        return this.subscriptions.reload();
+
+       case message_types.disconnect:
+        logger.log(`Disconnecting. Reason: ${reason}`);
+        return this.close({
+          allowReconnect: reconnect
+        });
+
+       case message_types.ping:
+        return null;
+
+       case message_types.confirmation:
+        this.subscriptions.confirmSubscription(identifier);
+        if (this.reconnectAttempted) {
+          this.reconnectAttempted = false;
+          return this.subscriptions.notify(identifier, "connected", {
+            reconnected: true
+          });
+        } else {
+          return this.subscriptions.notify(identifier, "connected", {
+            reconnected: false
+          });
+        }
+
+       case message_types.rejection:
+        return this.subscriptions.reject(identifier);
+
+       default:
+        return this.subscriptions.notify(identifier, "received", message);
+      }
+    },
+    open() {
+      logger.log(`WebSocket onopen event, using '${this.getProtocol()}' subprotocol`);
+      this.disconnected = false;
+      if (!this.isProtocolSupported()) {
+        logger.log("Protocol is unsupported. Stopping monitor and disconnecting.");
+        return this.close({
+          allowReconnect: false
+        });
+      }
+    },
+    close(event) {
+      logger.log("WebSocket onclose event");
+      if (this.disconnected) {
+        return;
+      }
+      this.disconnected = true;
+      this.monitor.recordDisconnect();
+      return this.subscriptions.notifyAll("disconnected", {
+        willAttemptReconnect: this.monitor.isRunning()
+      });
+    },
+    error() {
+      logger.log("WebSocket onerror event");
+    }
+  };
+  const extend = function(object, properties) {
+    if (properties != null) {
+      for (let key in properties) {
+        const value = properties[key];
+        object[key] = value;
+      }
+    }
+    return object;
+  };
+  class Subscription {
+    constructor(consumer, params = {}, mixin) {
+      this.consumer = consumer;
+      this.identifier = JSON.stringify(params);
+      extend(this, mixin);
+    }
+    perform(action, data = {}) {
+      data.action = action;
+      return this.send(data);
+    }
+    send(data) {
+      return this.consumer.send({
+        command: "message",
+        identifier: this.identifier,
+        data: JSON.stringify(data)
+      });
+    }
+    unsubscribe() {
+      return this.consumer.subscriptions.remove(this);
+    }
+  }
+  class SubscriptionGuarantor {
+    constructor(subscriptions) {
+      this.subscriptions = subscriptions;
+      this.pendingSubscriptions = [];
+    }
+    guarantee(subscription) {
+      if (this.pendingSubscriptions.indexOf(subscription) == -1) {
+        logger.log(`SubscriptionGuarantor guaranteeing ${subscription.identifier}`);
+        this.pendingSubscriptions.push(subscription);
+      } else {
+        logger.log(`SubscriptionGuarantor already guaranteeing ${subscription.identifier}`);
+      }
+      this.startGuaranteeing();
+    }
+    forget(subscription) {
+      logger.log(`SubscriptionGuarantor forgetting ${subscription.identifier}`);
+      this.pendingSubscriptions = this.pendingSubscriptions.filter((s => s !== subscription));
+    }
+    startGuaranteeing() {
+      this.stopGuaranteeing();
+      this.retrySubscribing();
+    }
+    stopGuaranteeing() {
+      clearTimeout(this.retryTimeout);
+    }
+    retrySubscribing() {
+      this.retryTimeout = setTimeout((() => {
+        if (this.subscriptions && typeof this.subscriptions.subscribe === "function") {
+          this.pendingSubscriptions.map((subscription => {
+            logger.log(`SubscriptionGuarantor resubscribing ${subscription.identifier}`);
+            this.subscriptions.subscribe(subscription);
+          }));
+        }
+      }), 500);
+    }
+  }
+  class Subscriptions {
+    constructor(consumer) {
+      this.consumer = consumer;
+      this.guarantor = new SubscriptionGuarantor(this);
+      this.subscriptions = [];
+    }
+    create(channelName, mixin) {
+      const channel = channelName;
+      const params = typeof channel === "object" ? channel : {
+        channel: channel
+      };
+      const subscription = new Subscription(this.consumer, params, mixin);
+      return this.add(subscription);
+    }
+    add(subscription) {
+      this.subscriptions.push(subscription);
+      this.consumer.ensureActiveConnection();
+      this.notify(subscription, "initialized");
+      this.subscribe(subscription);
+      return subscription;
+    }
+    remove(subscription) {
+      this.forget(subscription);
+      if (!this.findAll(subscription.identifier).length) {
+        this.sendCommand(subscription, "unsubscribe");
+      }
+      return subscription;
+    }
+    reject(identifier) {
+      return this.findAll(identifier).map((subscription => {
+        this.forget(subscription);
+        this.notify(subscription, "rejected");
+        return subscription;
+      }));
+    }
+    forget(subscription) {
+      this.guarantor.forget(subscription);
+      this.subscriptions = this.subscriptions.filter((s => s !== subscription));
+      return subscription;
+    }
+    findAll(identifier) {
+      return this.subscriptions.filter((s => s.identifier === identifier));
+    }
+    reload() {
+      return this.subscriptions.map((subscription => this.subscribe(subscription)));
+    }
+    notifyAll(callbackName, ...args) {
+      return this.subscriptions.map((subscription => this.notify(subscription, callbackName, ...args)));
+    }
+    notify(subscription, callbackName, ...args) {
+      let subscriptions;
+      if (typeof subscription === "string") {
+        subscriptions = this.findAll(subscription);
+      } else {
+        subscriptions = [ subscription ];
+      }
+      return subscriptions.map((subscription => typeof subscription[callbackName] === "function" ? subscription[callbackName](...args) : undefined));
+    }
+    subscribe(subscription) {
+      if (this.sendCommand(subscription, "subscribe")) {
+        this.guarantor.guarantee(subscription);
+      }
+    }
+    confirmSubscription(identifier) {
+      logger.log(`Subscription confirmed ${identifier}`);
+      this.findAll(identifier).map((subscription => this.guarantor.forget(subscription)));
+    }
+    sendCommand(subscription, command) {
+      const {identifier: identifier} = subscription;
+      return this.consumer.send({
+        command: command,
+        identifier: identifier
+      });
+    }
+  }
+  class Consumer {
+    constructor(url) {
+      this._url = url;
+      this.subscriptions = new Subscriptions(this);
+      this.connection = new Connection(this);
+      this.subprotocols = [];
+    }
+    get url() {
+      return createWebSocketURL(this._url);
+    }
+    send(data) {
+      return this.connection.send(data);
+    }
+    connect() {
+      return this.connection.open();
+    }
+    disconnect() {
+      return this.connection.close({
+        allowReconnect: false
+      });
+    }
+    ensureActiveConnection() {
+      if (!this.connection.isActive()) {
+        return this.connection.open();
+      }
+    }
+    addSubProtocol(subprotocol) {
+      this.subprotocols = [ ...this.subprotocols, subprotocol ];
+    }
+  }
+  function createWebSocketURL(url) {
+    if (typeof url === "function") {
+      url = url();
+    }
+    if (url && !/^wss?:/i.test(url)) {
+      const a = document.createElement("a");
+      a.href = url;
+      a.href = a.href;
+      a.protocol = a.protocol.replace("http", "ws");
+      return a.href;
+    } else {
+      return url;
+    }
+  }
+  function createConsumer(url = getConfig("url") || INTERNAL.default_mount_path) {
+    return new Consumer(url);
+  }
+  function getConfig(name) {
+    const element = document.head.querySelector(`meta[name='action-cable-${name}']`);
+    if (element) {
+      return element.getAttribute("content");
+    }
+  }
+  exports.Connection = Connection;
+  exports.ConnectionMonitor = ConnectionMonitor;
+  exports.Consumer = Consumer;
+  exports.INTERNAL = INTERNAL;
+  exports.Subscription = Subscription;
+  exports.SubscriptionGuarantor = SubscriptionGuarantor;
+  exports.Subscriptions = Subscriptions;
+  exports.adapters = adapters;
+  exports.createConsumer = createConsumer;
+  exports.createWebSocketURL = createWebSocketURL;
+  exports.getConfig = getConfig;
+  exports.logger = logger;
+  Object.defineProperty(exports, "__esModule", {
+    value: true
+  });
+}));

backend/public/assets/actioncable.esm-555679e44f119be7a7e54121fca0beb0a5832f2933c1a1edcd0515bbafad22e0.js

@@ -0,0 +1,512 @@
+var adapters = {
+  logger: typeof console !== "undefined" ? console : undefined,
+  WebSocket: typeof WebSocket !== "undefined" ? WebSocket : undefined
+};
+
+var logger = {
+  log(...messages) {
+    if (this.enabled) {
+      messages.push(Date.now());
+      adapters.logger.log("[ActionCable]", ...messages);
+    }
+  }
+};
+
+const now = () => (new Date).getTime();
+
+const secondsSince = time => (now() - time) / 1e3;
+
+class ConnectionMonitor {
+  constructor(connection) {
+    this.visibilityDidChange = this.visibilityDidChange.bind(this);
+    this.connection = connection;
+    this.reconnectAttempts = 0;
+  }
+  start() {
+    if (!this.isRunning()) {
+      this.startedAt = now();
+      delete this.stoppedAt;
+      this.startPolling();
+      addEventListener("visibilitychange", this.visibilityDidChange);
+      logger.log(`ConnectionMonitor started. stale threshold = ${this.constructor.staleThreshold} s`);
+    }
+  }
+  stop() {
+    if (this.isRunning()) {
+      this.stoppedAt = now();
+      this.stopPolling();
+      removeEventListener("visibilitychange", this.visibilityDidChange);
+      logger.log("ConnectionMonitor stopped");
+    }
+  }
+  isRunning() {
+    return this.startedAt && !this.stoppedAt;
+  }
+  recordMessage() {
+    this.pingedAt = now();
+  }
+  recordConnect() {
+    this.reconnectAttempts = 0;
+    delete this.disconnectedAt;
+    logger.log("ConnectionMonitor recorded connect");
+  }
+  recordDisconnect() {
+    this.disconnectedAt = now();
+    logger.log("ConnectionMonitor recorded disconnect");
+  }
+  startPolling() {
+    this.stopPolling();
+    this.poll();
+  }
+  stopPolling() {
+    clearTimeout(this.pollTimeout);
+  }
+  poll() {
+    this.pollTimeout = setTimeout((() => {
+      this.reconnectIfStale();
+      this.poll();
+    }), this.getPollInterval());
+  }
+  getPollInterval() {
+    const {staleThreshold: staleThreshold, reconnectionBackoffRate: reconnectionBackoffRate} = this.constructor;
+    const backoff = Math.pow(1 + reconnectionBackoffRate, Math.min(this.reconnectAttempts, 10));
+    const jitterMax = this.reconnectAttempts === 0 ? 1 : reconnectionBackoffRate;
+    const jitter = jitterMax * Math.random();
+    return staleThreshold * 1e3 * backoff * (1 + jitter);
+  }
+  reconnectIfStale() {
+    if (this.connectionIsStale()) {
+      logger.log(`ConnectionMonitor detected stale connection. reconnectAttempts = ${this.reconnectAttempts}, time stale = ${secondsSince(this.refreshedAt)} s, stale threshold = ${this.constructor.staleThreshold} s`);
+      this.reconnectAttempts++;
+      if (this.disconnectedRecently()) {
+        logger.log(`ConnectionMonitor skipping reopening recent disconnect. time disconnected = ${secondsSince(this.disconnectedAt)} s`);
+      } else {
+        logger.log("ConnectionMonitor reopening");
+        this.connection.reopen();
+      }
+    }
+  }
+  get refreshedAt() {
+    return this.pingedAt ? this.pingedAt : this.startedAt;
+  }
+  connectionIsStale() {
+    return secondsSince(this.refreshedAt) > this.constructor.staleThreshold;
+  }
+  disconnectedRecently() {
+    return this.disconnectedAt && secondsSince(this.disconnectedAt) < this.constructor.staleThreshold;
+  }
+  visibilityDidChange() {
+    if (document.visibilityState === "visible") {
+      setTimeout((() => {
+        if (this.connectionIsStale() || !this.connection.isOpen()) {
+          logger.log(`ConnectionMonitor reopening stale connection on visibilitychange. visibilityState = ${document.visibilityState}`);
+          this.connection.reopen();
+        }
+      }), 200);
+    }
+  }
+}
+
+ConnectionMonitor.staleThreshold = 6;
+
+ConnectionMonitor.reconnectionBackoffRate = .15;
+
+var INTERNAL = {
+  message_types: {
+    welcome: "welcome",
+    disconnect: "disconnect",
+    ping: "ping",
+    confirmation: "confirm_subscription",
+    rejection: "reject_subscription"
+  },
+  disconnect_reasons: {
+    unauthorized: "unauthorized",
+    invalid_request: "invalid_request",
+    server_restart: "server_restart",
+    remote: "remote"
+  },
+  default_mount_path: "/cable",
+  protocols: [ "actioncable-v1-json", "actioncable-unsupported" ]
+};
+
+const {message_types: message_types, protocols: protocols} = INTERNAL;
+
+const supportedProtocols = protocols.slice(0, protocols.length - 1);
+
+const indexOf = [].indexOf;
+
+class Connection {
+  constructor(consumer) {
+    this.open = this.open.bind(this);
+    this.consumer = consumer;
+    this.subscriptions = this.consumer.subscriptions;
+    this.monitor = new ConnectionMonitor(this);
+    this.disconnected = true;
+  }
+  send(data) {
+    if (this.isOpen()) {
+      this.webSocket.send(JSON.stringify(data));
+      return true;
+    } else {
+      return false;
+    }
+  }
+  open() {
+    if (this.isActive()) {
+      logger.log(`Attempted to open WebSocket, but existing socket is ${this.getState()}`);
+      return false;
+    } else {
+      const socketProtocols = [ ...protocols, ...this.consumer.subprotocols || [] ];
+      logger.log(`Opening WebSocket, current state is ${this.getState()}, subprotocols: ${socketProtocols}`);
+      if (this.webSocket) {
+        this.uninstallEventHandlers();
+      }
+      this.webSocket = new adapters.WebSocket(this.consumer.url, socketProtocols);
+      this.installEventHandlers();
+      this.monitor.start();
+      return true;
+    }
+  }
+  close({allowReconnect: allowReconnect} = {
+    allowReconnect: true
+  }) {
+    if (!allowReconnect) {
+      this.monitor.stop();
+    }
+    if (this.isOpen()) {
+      return this.webSocket.close();
+    }
+  }
+  reopen() {
+    logger.log(`Reopening WebSocket, current state is ${this.getState()}`);
+    if (this.isActive()) {
+      try {
+        return this.close();
+      } catch (error) {
+        logger.log("Failed to reopen WebSocket", error);
+      } finally {
+        logger.log(`Reopening WebSocket in ${this.constructor.reopenDelay}ms`);
+        setTimeout(this.open, this.constructor.reopenDelay);
+      }
+    } else {
+      return this.open();
+    }
+  }
+  getProtocol() {
+    if (this.webSocket) {
+      return this.webSocket.protocol;
+    }
+  }
+  isOpen() {
+    return this.isState("open");
+  }
+  isActive() {
+    return this.isState("open", "connecting");
+  }
+  triedToReconnect() {
+    return this.monitor.reconnectAttempts > 0;
+  }
+  isProtocolSupported() {
+    return indexOf.call(supportedProtocols, this.getProtocol()) >= 0;
+  }
+  isState(...states) {
+    return indexOf.call(states, this.getState()) >= 0;
+  }
+  getState() {
+    if (this.webSocket) {
+      for (let state in adapters.WebSocket) {
+        if (adapters.WebSocket[state] === this.webSocket.readyState) {
+          return state.toLowerCase();
+        }
+      }
+    }
+    return null;
+  }
+  installEventHandlers() {
+    for (let eventName in this.events) {
+      const handler = this.events[eventName].bind(this);
+      this.webSocket[`on${eventName}`] = handler;
+    }
+  }
+  uninstallEventHandlers() {
+    for (let eventName in this.events) {
+      this.webSocket[`on${eventName}`] = function() {};
+    }
+  }
+}
+
+Connection.reopenDelay = 500;
+
+Connection.prototype.events = {
+  message(event) {
+    if (!this.isProtocolSupported()) {
+      return;
+    }
+    const {identifier: identifier, message: message, reason: reason, reconnect: reconnect, type: type} = JSON.parse(event.data);
+    this.monitor.recordMessage();
+    switch (type) {
+     case message_types.welcome:
+      if (this.triedToReconnect()) {
+        this.reconnectAttempted = true;
+      }
+      this.monitor.recordConnect();
+      return this.subscriptions.reload();
+
+     case message_types.disconnect:
+      logger.log(`Disconnecting. Reason: ${reason}`);
+      return this.close({
+        allowReconnect: reconnect
+      });
+
+     case message_types.ping:
+      return null;
+
+     case message_types.confirmation:
+      this.subscriptions.confirmSubscription(identifier);
+      if (this.reconnectAttempted) {
+        this.reconnectAttempted = false;
+        return this.subscriptions.notify(identifier, "connected", {
+          reconnected: true
+        });
+      } else {
+        return this.subscriptions.notify(identifier, "connected", {
+          reconnected: false
+        });
+      }
+
+     case message_types.rejection:
+      return this.subscriptions.reject(identifier);
+
+     default:
+      return this.subscriptions.notify(identifier, "received", message);
+    }
+  },
+  open() {
+    logger.log(`WebSocket onopen event, using '${this.getProtocol()}' subprotocol`);
+    this.disconnected = false;
+    if (!this.isProtocolSupported()) {
+      logger.log("Protocol is unsupported. Stopping monitor and disconnecting.");
+      return this.close({
+        allowReconnect: false
+      });
+    }
+  },
+  close(event) {
+    logger.log("WebSocket onclose event");
+    if (this.disconnected) {
+      return;
+    }
+    this.disconnected = true;
+    this.monitor.recordDisconnect();
+    return this.subscriptions.notifyAll("disconnected", {
+      willAttemptReconnect: this.monitor.isRunning()
+    });
+  },
+  error() {
+    logger.log("WebSocket onerror event");
+  }
+};
+
+const extend = function(object, properties) {
+  if (properties != null) {
+    for (let key in properties) {
+      const value = properties[key];
+      object[key] = value;
+    }
+  }
+  return object;
+};
+
+class Subscription {
+  constructor(consumer, params = {}, mixin) {
+    this.consumer = consumer;
+    this.identifier = JSON.stringify(params);
+    extend(this, mixin);
+  }
+  perform(action, data = {}) {
+    data.action = action;
+    return this.send(data);
+  }
+  send(data) {
+    return this.consumer.send({
+      command: "message",
+      identifier: this.identifier,
+      data: JSON.stringify(data)
+    });
+  }
+  unsubscribe() {
+    return this.consumer.subscriptions.remove(this);
+  }
+}
+
+class SubscriptionGuarantor {
+  constructor(subscriptions) {
+    this.subscriptions = subscriptions;
+    this.pendingSubscriptions = [];
+  }
+  guarantee(subscription) {
+    if (this.pendingSubscriptions.indexOf(subscription) == -1) {
+      logger.log(`SubscriptionGuarantor guaranteeing ${subscription.identifier}`);
+      this.pendingSubscriptions.push(subscription);
+    } else {
+      logger.log(`SubscriptionGuarantor already guaranteeing ${subscription.identifier}`);
+    }
+    this.startGuaranteeing();
+  }
+  forget(subscription) {
+    logger.log(`SubscriptionGuarantor forgetting ${subscription.identifier}`);
+    this.pendingSubscriptions = this.pendingSubscriptions.filter((s => s !== subscription));
+  }
+  startGuaranteeing() {
+    this.stopGuaranteeing();
+    this.retrySubscribing();
+  }
+  stopGuaranteeing() {
+    clearTimeout(this.retryTimeout);
+  }
+  retrySubscribing() {
+    this.retryTimeout = setTimeout((() => {
+      if (this.subscriptions && typeof this.subscriptions.subscribe === "function") {
+        this.pendingSubscriptions.map((subscription => {
+          logger.log(`SubscriptionGuarantor resubscribing ${subscription.identifier}`);
+          this.subscriptions.subscribe(subscription);
+        }));
+      }
+    }), 500);
+  }
+}
+
+class Subscriptions {
+  constructor(consumer) {
+    this.consumer = consumer;
+    this.guarantor = new SubscriptionGuarantor(this);
+    this.subscriptions = [];
+  }
+  create(channelName, mixin) {
+    const channel = channelName;
+    const params = typeof channel === "object" ? channel : {
+      channel: channel
+    };
+    const subscription = new Subscription(this.consumer, params, mixin);
+    return this.add(subscription);
+  }
+  add(subscription) {
+    this.subscriptions.push(subscription);
+    this.consumer.ensureActiveConnection();
+    this.notify(subscription, "initialized");
+    this.subscribe(subscription);
+    return subscription;
+  }
+  remove(subscription) {
+    this.forget(subscription);
+    if (!this.findAll(subscription.identifier).length) {
+      this.sendCommand(subscription, "unsubscribe");
+    }
+    return subscription;
+  }
+  reject(identifier) {
+    return this.findAll(identifier).map((subscription => {
+      this.forget(subscription);
+      this.notify(subscription, "rejected");
+      return subscription;
+    }));
+  }
+  forget(subscription) {
+    this.guarantor.forget(subscription);
+    this.subscriptions = this.subscriptions.filter((s => s !== subscription));
+    return subscription;
+  }
+  findAll(identifier) {
+    return this.subscriptions.filter((s => s.identifier === identifier));
+  }
+  reload() {
+    return this.subscriptions.map((subscription => this.subscribe(subscription)));
+  }
+  notifyAll(callbackName, ...args) {
+    return this.subscriptions.map((subscription => this.notify(subscription, callbackName, ...args)));
+  }
+  notify(subscription, callbackName, ...args) {
+    let subscriptions;
+    if (typeof subscription === "string") {
+      subscriptions = this.findAll(subscription);
+    } else {
+      subscriptions = [ subscription ];
+    }
+    return subscriptions.map((subscription => typeof subscription[callbackName] === "function" ? subscription[callbackName](...args) : undefined));
+  }
+  subscribe(subscription) {
+    if (this.sendCommand(subscription, "subscribe")) {
+      this.guarantor.guarantee(subscription);
+    }
+  }
+  confirmSubscription(identifier) {
+    logger.log(`Subscription confirmed ${identifier}`);
+    this.findAll(identifier).map((subscription => this.guarantor.forget(subscription)));
+  }
+  sendCommand(subscription, command) {
+    const {identifier: identifier} = subscription;
+    return this.consumer.send({
+      command: command,
+      identifier: identifier
+    });
+  }
+}
+
+class Consumer {
+  constructor(url) {
+    this._url = url;
+    this.subscriptions = new Subscriptions(this);
+    this.connection = new Connection(this);
+    this.subprotocols = [];
+  }
+  get url() {
+    return createWebSocketURL(this._url);
+  }
+  send(data) {
+    return this.connection.send(data);
+  }
+  connect() {
+    return this.connection.open();
+  }
+  disconnect() {
+    return this.connection.close({
+      allowReconnect: false
+    });
+  }
+  ensureActiveConnection() {
+    if (!this.connection.isActive()) {
+      return this.connection.open();
+    }
+  }
+  addSubProtocol(subprotocol) {
+    this.subprotocols = [ ...this.subprotocols, subprotocol ];
+  }
+}
+
+function createWebSocketURL(url) {
+  if (typeof url === "function") {
+    url = url();
+  }
+  if (url && !/^wss?:/i.test(url)) {
+    const a = document.createElement("a");
+    a.href = url;
+    a.href = a.href;
+    a.protocol = a.protocol.replace("http", "ws");
+    return a.href;
+  } else {
+    return url;
+  }
+}
+
+function createConsumer(url = getConfig("url") || INTERNAL.default_mount_path) {
+  return new Consumer(url);
+}
+
+function getConfig(name) {
+  const element = document.head.querySelector(`meta[name='action-cable-${name}']`);
+  if (element) {
+    return element.getAttribute("content");
+  }
+}
+
+export { Connection, ConnectionMonitor, Consumer, INTERNAL, Subscription, SubscriptionGuarantor, Subscriptions, adapters, createConsumer, createWebSocketURL, getConfig, logger };

backend/public/assets/actiontext-9ccbf682451d439611fe5a048e55157c56038840ebb4a8292437eb55fd31c83d.js

@@ -0,0 +1,884 @@
+(function(factory) {
+  typeof define === "function" && define.amd ? define(factory) : factory();
+})((function() {
+  "use strict";
+  var sparkMd5 = {
+    exports: {}
+  };
+  (function(module, exports) {
+    (function(factory) {
+      {
+        module.exports = factory();
+      }
+    })((function(undefined$1) {
+      var hex_chr = [ "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "a", "b", "c", "d", "e", "f" ];
+      function md5cycle(x, k) {
+        var a = x[0], b = x[1], c = x[2], d = x[3];
+        a += (b & c | ~b & d) + k[0] - 680876936 | 0;
+        a = (a << 7 | a >>> 25) + b | 0;
+        d += (a & b | ~a & c) + k[1] - 389564586 | 0;
+        d = (d << 12 | d >>> 20) + a | 0;
+        c += (d & a | ~d & b) + k[2] + 606105819 | 0;
+        c = (c << 17 | c >>> 15) + d | 0;
+        b += (c & d | ~c & a) + k[3] - 1044525330 | 0;
+        b = (b << 22 | b >>> 10) + c | 0;
+        a += (b & c | ~b & d) + k[4] - 176418897 | 0;
+        a = (a << 7 | a >>> 25) + b | 0;
+        d += (a & b | ~a & c) + k[5] + 1200080426 | 0;
+        d = (d << 12 | d >>> 20) + a | 0;
+        c += (d & a | ~d & b) + k[6] - 1473231341 | 0;
+        c = (c << 17 | c >>> 15) + d | 0;
+        b += (c & d | ~c & a) + k[7] - 45705983 | 0;
+        b = (b << 22 | b >>> 10) + c | 0;
+        a += (b & c | ~b & d) + k[8] + 1770035416 | 0;
+        a = (a << 7 | a >>> 25) + b | 0;
+        d += (a & b | ~a & c) + k[9] - 1958414417 | 0;
+        d = (d << 12 | d >>> 20) + a | 0;
+        c += (d & a | ~d & b) + k[10] - 42063 | 0;
+        c = (c << 17 | c >>> 15) + d | 0;
+        b += (c & d | ~c & a) + k[11] - 1990404162 | 0;
+        b = (b << 22 | b >>> 10) + c | 0;
+        a += (b & c | ~b & d) + k[12] + 1804603682 | 0;
+        a = (a << 7 | a >>> 25) + b | 0;
+        d += (a & b | ~a & c) + k[13] - 40341101 | 0;
+        d = (d << 12 | d >>> 20) + a | 0;
+        c += (d & a | ~d & b) + k[14] - 1502002290 | 0;
+        c = (c << 17 | c >>> 15) + d | 0;
+        b += (c & d | ~c & a) + k[15] + 1236535329 | 0;
+        b = (b << 22 | b >>> 10) + c | 0;
+        a += (b & d | c & ~d) + k[1] - 165796510 | 0;
+        a = (a << 5 | a >>> 27) + b | 0;
+        d += (a & c | b & ~c) + k[6] - 1069501632 | 0;
+        d = (d << 9 | d >>> 23) + a | 0;
+        c += (d & b | a & ~b) + k[11] + 643717713 | 0;
+        c = (c << 14 | c >>> 18) + d | 0;
+        b += (c & a | d & ~a) + k[0] - 373897302 | 0;
+        b = (b << 20 | b >>> 12) + c | 0;
+        a += (b & d | c & ~d) + k[5] - 701558691 | 0;
+        a = (a << 5 | a >>> 27) + b | 0;
+        d += (a & c | b & ~c) + k[10] + 38016083 | 0;
+        d = (d << 9 | d >>> 23) + a | 0;
+        c += (d & b | a & ~b) + k[15] - 660478335 | 0;
+        c = (c << 14 | c >>> 18) + d | 0;
+        b += (c & a | d & ~a) + k[4] - 405537848 | 0;
+        b = (b << 20 | b >>> 12) + c | 0;
+        a += (b & d | c & ~d) + k[9] + 568446438 | 0;
+        a = (a << 5 | a >>> 27) + b | 0;
+        d += (a & c | b & ~c) + k[14] - 1019803690 | 0;
+        d = (d << 9 | d >>> 23) + a | 0;
+        c += (d & b | a & ~b) + k[3] - 187363961 | 0;
+        c = (c << 14 | c >>> 18) + d | 0;
+        b += (c & a | d & ~a) + k[8] + 1163531501 | 0;
+        b = (b << 20 | b >>> 12) + c | 0;
+        a += (b & d | c & ~d) + k[13] - 1444681467 | 0;
+        a = (a << 5 | a >>> 27) + b | 0;
+        d += (a & c | b & ~c) + k[2] - 51403784 | 0;
+        d = (d << 9 | d >>> 23) + a | 0;
+        c += (d & b | a & ~b) + k[7] + 1735328473 | 0;
+        c = (c << 14 | c >>> 18) + d | 0;
+        b += (c & a | d & ~a) + k[12] - 1926607734 | 0;
+        b = (b << 20 | b >>> 12) + c | 0;
+        a += (b ^ c ^ d) + k[5] - 378558 | 0;
+        a = (a << 4 | a >>> 28) + b | 0;
+        d += (a ^ b ^ c) + k[8] - 2022574463 | 0;
+        d = (d << 11 | d >>> 21) + a | 0;
+        c += (d ^ a ^ b) + k[11] + 1839030562 | 0;
+        c = (c << 16 | c >>> 16) + d | 0;
+        b += (c ^ d ^ a) + k[14] - 35309556 | 0;
+        b = (b << 23 | b >>> 9) + c | 0;
+        a += (b ^ c ^ d) + k[1] - 1530992060 | 0;
+        a = (a << 4 | a >>> 28) + b | 0;
+        d += (a ^ b ^ c) + k[4] + 1272893353 | 0;
+        d = (d << 11 | d >>> 21) + a | 0;
+        c += (d ^ a ^ b) + k[7] - 155497632 | 0;
+        c = (c << 16 | c >>> 16) + d | 0;
+        b += (c ^ d ^ a) + k[10] - 1094730640 | 0;
+        b = (b << 23 | b >>> 9) + c | 0;
+        a += (b ^ c ^ d) + k[13] + 681279174 | 0;
+        a = (a << 4 | a >>> 28) + b | 0;
+        d += (a ^ b ^ c) + k[0] - 358537222 | 0;
+        d = (d << 11 | d >>> 21) + a | 0;
+        c += (d ^ a ^ b) + k[3] - 722521979 | 0;
+        c = (c << 16 | c >>> 16) + d | 0;
+        b += (c ^ d ^ a) + k[6] + 76029189 | 0;
+        b = (b << 23 | b >>> 9) + c | 0;
+        a += (b ^ c ^ d) + k[9] - 640364487 | 0;
+        a = (a << 4 | a >>> 28) + b | 0;
+        d += (a ^ b ^ c) + k[12] - 421815835 | 0;
+        d = (d << 11 | d >>> 21) + a | 0;
+        c += (d ^ a ^ b) + k[15] + 530742520 | 0;
+        c = (c << 16 | c >>> 16) + d | 0;
+        b += (c ^ d ^ a) + k[2] - 995338651 | 0;
+        b = (b << 23 | b >>> 9) + c | 0;
+        a += (c ^ (b | ~d)) + k[0] - 198630844 | 0;
+        a = (a << 6 | a >>> 26) + b | 0;
+        d += (b ^ (a | ~c)) + k[7] + 1126891415 | 0;
+        d = (d << 10 | d >>> 22) + a | 0;
+        c += (a ^ (d | ~b)) + k[14] - 1416354905 | 0;
+        c = (c << 15 | c >>> 17) + d | 0;
+        b += (d ^ (c | ~a)) + k[5] - 57434055 | 0;
+        b = (b << 21 | b >>> 11) + c | 0;
+        a += (c ^ (b | ~d)) + k[12] + 1700485571 | 0;
+        a = (a << 6 | a >>> 26) + b | 0;
+        d += (b ^ (a | ~c)) + k[3] - 1894986606 | 0;
+        d = (d << 10 | d >>> 22) + a | 0;
+        c += (a ^ (d | ~b)) + k[10] - 1051523 | 0;
+        c = (c << 15 | c >>> 17) + d | 0;
+        b += (d ^ (c | ~a)) + k[1] - 2054922799 | 0;
+        b = (b << 21 | b >>> 11) + c | 0;
+        a += (c ^ (b | ~d)) + k[8] + 1873313359 | 0;
+        a = (a << 6 | a >>> 26) + b | 0;
+        d += (b ^ (a | ~c)) + k[15] - 30611744 | 0;
+        d = (d << 10 | d >>> 22) + a | 0;
+        c += (a ^ (d | ~b)) + k[6] - 1560198380 | 0;
+        c = (c << 15 | c >>> 17) + d | 0;
+        b += (d ^ (c | ~a)) + k[13] + 1309151649 | 0;
+        b = (b << 21 | b >>> 11) + c | 0;
+        a += (c ^ (b | ~d)) + k[4] - 145523070 | 0;
+        a = (a << 6 | a >>> 26) + b | 0;
+        d += (b ^ (a | ~c)) + k[11] - 1120210379 | 0;
+        d = (d << 10 | d >>> 22) + a | 0;
+        c += (a ^ (d | ~b)) + k[2] + 718787259 | 0;
+        c = (c << 15 | c >>> 17) + d | 0;
+        b += (d ^ (c | ~a)) + k[9] - 343485551 | 0;
+        b = (b << 21 | b >>> 11) + c | 0;
+        x[0] = a + x[0] | 0;
+        x[1] = b + x[1] | 0;
+        x[2] = c + x[2] | 0;
+        x[3] = d + x[3] | 0;
+      }
+      function md5blk(s) {
+        var md5blks = [], i;
+        for (i = 0; i < 64; i += 4) {
+          md5blks[i >> 2] = s.charCodeAt(i) + (s.charCodeAt(i + 1) << 8) + (s.charCodeAt(i + 2) << 16) + (s.charCodeAt(i + 3) << 24);
+        }
+        return md5blks;
+      }
+      function md5blk_array(a) {
+        var md5blks = [], i;
+        for (i = 0; i < 64; i += 4) {
+          md5blks[i >> 2] = a[i] + (a[i + 1] << 8) + (a[i + 2] << 16) + (a[i + 3] << 24);
+        }
+        return md5blks;
+      }
+      function md51(s) {
+        var n = s.length, state = [ 1732584193, -271733879, -1732584194, 271733878 ], i, length, tail, tmp, lo, hi;
+        for (i = 64; i <= n; i += 64) {
+          md5cycle(state, md5blk(s.substring(i - 64, i)));
+        }
+        s = s.substring(i - 64);
+        length = s.length;
+        tail = [ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ];
+        for (i = 0; i < length; i += 1) {
+          tail[i >> 2] |= s.charCodeAt(i) << (i % 4 << 3);
+        }
+        tail[i >> 2] |= 128 << (i % 4 << 3);
+        if (i > 55) {
+          md5cycle(state, tail);
+          for (i = 0; i < 16; i += 1) {
+            tail[i] = 0;
+          }
+        }
+        tmp = n * 8;
+        tmp = tmp.toString(16).match(/(.*?)(.{0,8})$/);
+        lo = parseInt(tmp[2], 16);
+        hi = parseInt(tmp[1], 16) || 0;
+        tail[14] = lo;
+        tail[15] = hi;
+        md5cycle(state, tail);
+        return state;
+      }
+      function md51_array(a) {
+        var n = a.length, state = [ 1732584193, -271733879, -1732584194, 271733878 ], i, length, tail, tmp, lo, hi;
+        for (i = 64; i <= n; i += 64) {
+          md5cycle(state, md5blk_array(a.subarray(i - 64, i)));
+        }
+        a = i - 64 < n ? a.subarray(i - 64) : new Uint8Array(0);
+        length = a.length;
+        tail = [ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ];
+        for (i = 0; i < length; i += 1) {
+          tail[i >> 2] |= a[i] << (i % 4 << 3);
+        }
+        tail[i >> 2] |= 128 << (i % 4 << 3);
+        if (i > 55) {
+          md5cycle(state, tail);
+          for (i = 0; i < 16; i += 1) {
+            tail[i] = 0;
+          }
+        }
+        tmp = n * 8;
+        tmp = tmp.toString(16).match(/(.*?)(.{0,8})$/);
+        lo = parseInt(tmp[2], 16);
+        hi = parseInt(tmp[1], 16) || 0;
+        tail[14] = lo;
+        tail[15] = hi;
+        md5cycle(state, tail);
+        return state;
+      }
+      function rhex(n) {
+        var s = "", j;
+        for (j = 0; j < 4; j += 1) {
+          s += hex_chr[n >> j * 8 + 4 & 15] + hex_chr[n >> j * 8 & 15];
+        }
+        return s;
+      }
+      function hex(x) {
+        var i;
+        for (i = 0; i < x.length; i += 1) {
+          x[i] = rhex(x[i]);
+        }
+        return x.join("");
+      }
+      if (hex(md51("hello")) !== "5d41402abc4b2a76b9719d911017c592") ;
+      if (typeof ArrayBuffer !== "undefined" && !ArrayBuffer.prototype.slice) {
+        (function() {
+          function clamp(val, length) {
+            val = val | 0 || 0;
+            if (val < 0) {
+              return Math.max(val + length, 0);
+            }
+            return Math.min(val, length);
+          }
+          ArrayBuffer.prototype.slice = function(from, to) {
+            var length = this.byteLength, begin = clamp(from, length), end = length, num, target, targetArray, sourceArray;
+            if (to !== undefined$1) {
+              end = clamp(to, length);
+            }
+            if (begin > end) {
+              return new ArrayBuffer(0);
+            }
+            num = end - begin;
+            target = new ArrayBuffer(num);
+            targetArray = new Uint8Array(target);
+            sourceArray = new Uint8Array(this, begin, num);
+            targetArray.set(sourceArray);
+            return target;
+          };
+        })();
+      }
+      function toUtf8(str) {
+        if (/[\u0080-\uFFFF]/.test(str)) {
+          str = unescape(encodeURIComponent(str));
+        }
+        return str;
+      }
+      function utf8Str2ArrayBuffer(str, returnUInt8Array) {
+        var length = str.length, buff = new ArrayBuffer(length), arr = new Uint8Array(buff), i;
+        for (i = 0; i < length; i += 1) {
+          arr[i] = str.charCodeAt(i);
+        }
+        return returnUInt8Array ? arr : buff;
+      }
+      function arrayBuffer2Utf8Str(buff) {
+        return String.fromCharCode.apply(null, new Uint8Array(buff));
+      }
+      function concatenateArrayBuffers(first, second, returnUInt8Array) {
+        var result = new Uint8Array(first.byteLength + second.byteLength);
+        result.set(new Uint8Array(first));
+        result.set(new Uint8Array(second), first.byteLength);
+        return returnUInt8Array ? result : result.buffer;
+      }
+      function hexToBinaryString(hex) {
+        var bytes = [], length = hex.length, x;
+        for (x = 0; x < length - 1; x += 2) {
+          bytes.push(parseInt(hex.substr(x, 2), 16));
+        }
+        return String.fromCharCode.apply(String, bytes);
+      }
+      function SparkMD5() {
+        this.reset();
+      }
+      SparkMD5.prototype.append = function(str) {
+        this.appendBinary(toUtf8(str));
+        return this;
+      };
+      SparkMD5.prototype.appendBinary = function(contents) {
+        this._buff += contents;
+        this._length += contents.length;
+        var length = this._buff.length, i;
+        for (i = 64; i <= length; i += 64) {
+          md5cycle(this._hash, md5blk(this._buff.substring(i - 64, i)));
+        }
+        this._buff = this._buff.substring(i - 64);
+        return this;
+      };
+      SparkMD5.prototype.end = function(raw) {
+        var buff = this._buff, length = buff.length, i, tail = [ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ], ret;
+        for (i = 0; i < length; i += 1) {
+          tail[i >> 2] |= buff.charCodeAt(i) << (i % 4 << 3);
+        }
+        this._finish(tail, length);
+        ret = hex(this._hash);
+        if (raw) {
+          ret = hexToBinaryString(ret);
+        }
+        this.reset();
+        return ret;
+      };
+      SparkMD5.prototype.reset = function() {
+        this._buff = "";
+        this._length = 0;
+        this._hash = [ 1732584193, -271733879, -1732584194, 271733878 ];
+        return this;
+      };
+      SparkMD5.prototype.getState = function() {
+        return {
+          buff: this._buff,
+          length: this._length,
+          hash: this._hash.slice()
+        };
+      };
+      SparkMD5.prototype.setState = function(state) {
+        this._buff = state.buff;
+        this._length = state.length;
+        this._hash = state.hash;
+        return this;
+      };
+      SparkMD5.prototype.destroy = function() {
+        delete this._hash;
+        delete this._buff;
+        delete this._length;
+      };
+      SparkMD5.prototype._finish = function(tail, length) {
+        var i = length, tmp, lo, hi;
+        tail[i >> 2] |= 128 << (i % 4 << 3);
+        if (i > 55) {
+          md5cycle(this._hash, tail);
+          for (i = 0; i < 16; i += 1) {
+            tail[i] = 0;
+          }
+        }
+        tmp = this._length * 8;
+        tmp = tmp.toString(16).match(/(.*?)(.{0,8})$/);
+        lo = parseInt(tmp[2], 16);
+        hi = parseInt(tmp[1], 16) || 0;
+        tail[14] = lo;
+        tail[15] = hi;
+        md5cycle(this._hash, tail);
+      };
+      SparkMD5.hash = function(str, raw) {
+        return SparkMD5.hashBinary(toUtf8(str), raw);
+      };
+      SparkMD5.hashBinary = function(content, raw) {
+        var hash = md51(content), ret = hex(hash);
+        return raw ? hexToBinaryString(ret) : ret;
+      };
+      SparkMD5.ArrayBuffer = function() {
+        this.reset();
+      };
+      SparkMD5.ArrayBuffer.prototype.append = function(arr) {
+        var buff = concatenateArrayBuffers(this._buff.buffer, arr, true), length = buff.length, i;
+        this._length += arr.byteLength;
+        for (i = 64; i <= length; i += 64) {
+          md5cycle(this._hash, md5blk_array(buff.subarray(i - 64, i)));
+        }
+        this._buff = i - 64 < length ? new Uint8Array(buff.buffer.slice(i - 64)) : new Uint8Array(0);
+        return this;
+      };
+      SparkMD5.ArrayBuffer.prototype.end = function(raw) {
+        var buff = this._buff, length = buff.length, tail = [ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ], i, ret;
+        for (i = 0; i < length; i += 1) {
+          tail[i >> 2] |= buff[i] << (i % 4 << 3);
+        }
+        this._finish(tail, length);
+        ret = hex(this._hash);
+        if (raw) {
+          ret = hexToBinaryString(ret);
+        }
+        this.reset();
+        return ret;
+      };
+      SparkMD5.ArrayBuffer.prototype.reset = function() {
+        this._buff = new Uint8Array(0);
+        this._length = 0;
+        this._hash = [ 1732584193, -271733879, -1732584194, 271733878 ];
+        return this;
+      };
+      SparkMD5.ArrayBuffer.prototype.getState = function() {
+        var state = SparkMD5.prototype.getState.call(this);
+        state.buff = arrayBuffer2Utf8Str(state.buff);
+        return state;
+      };
+      SparkMD5.ArrayBuffer.prototype.setState = function(state) {
+        state.buff = utf8Str2ArrayBuffer(state.buff, true);
+        return SparkMD5.prototype.setState.call(this, state);
+      };
+      SparkMD5.ArrayBuffer.prototype.destroy = SparkMD5.prototype.destroy;
+      SparkMD5.ArrayBuffer.prototype._finish = SparkMD5.prototype._finish;
+      SparkMD5.ArrayBuffer.hash = function(arr, raw) {
+        var hash = md51_array(new Uint8Array(arr)), ret = hex(hash);
+        return raw ? hexToBinaryString(ret) : ret;
+      };
+      return SparkMD5;
+    }));
+  })(sparkMd5);
+  var SparkMD5 = sparkMd5.exports;
+  const fileSlice = File.prototype.slice || File.prototype.mozSlice || File.prototype.webkitSlice;
+  class FileChecksum {
+    static create(file, callback) {
+      const instance = new FileChecksum(file);
+      instance.create(callback);
+    }
+    constructor(file) {
+      this.file = file;
+      this.chunkSize = 2097152;
+      this.chunkCount = Math.ceil(this.file.size / this.chunkSize);
+      this.chunkIndex = 0;
+    }
+    create(callback) {
+      this.callback = callback;
+      this.md5Buffer = new SparkMD5.ArrayBuffer;
+      this.fileReader = new FileReader;
+      this.fileReader.addEventListener("load", (event => this.fileReaderDidLoad(event)));
+      this.fileReader.addEventListener("error", (event => this.fileReaderDidError(event)));
+      this.readNextChunk();
+    }
+    fileReaderDidLoad(event) {
+      this.md5Buffer.append(event.target.result);
+      if (!this.readNextChunk()) {
+        const binaryDigest = this.md5Buffer.end(true);
+        const base64digest = btoa(binaryDigest);
+        this.callback(null, base64digest);
+      }
+    }
+    fileReaderDidError(event) {
+      this.callback(`Error reading ${this.file.name}`);
+    }
+    readNextChunk() {
+      if (this.chunkIndex < this.chunkCount || this.chunkIndex == 0 && this.chunkCount == 0) {
+        const start = this.chunkIndex * this.chunkSize;
+        const end = Math.min(start + this.chunkSize, this.file.size);
+        const bytes = fileSlice.call(this.file, start, end);
+        this.fileReader.readAsArrayBuffer(bytes);
+        this.chunkIndex++;
+        return true;
+      } else {
+        return false;
+      }
+    }
+  }
+  function getMetaValue(name) {
+    const element = findElement(document.head, `meta[name="${name}"]`);
+    if (element) {
+      return element.getAttribute("content");
+    }
+  }
+  function findElements(root, selector) {
+    if (typeof root == "string") {
+      selector = root;
+      root = document;
+    }
+    const elements = root.querySelectorAll(selector);
+    return toArray(elements);
+  }
+  function findElement(root, selector) {
+    if (typeof root == "string") {
+      selector = root;
+      root = document;
+    }
+    return root.querySelector(selector);
+  }
+  function dispatchEvent(element, type, eventInit = {}) {
+    const {disabled: disabled} = element;
+    const {bubbles: bubbles, cancelable: cancelable, detail: detail} = eventInit;
+    const event = document.createEvent("Event");
+    event.initEvent(type, bubbles || true, cancelable || true);
+    event.detail = detail || {};
+    try {
+      element.disabled = false;
+      element.dispatchEvent(event);
+    } finally {
+      element.disabled = disabled;
+    }
+    return event;
+  }
+  function toArray(value) {
+    if (Array.isArray(value)) {
+      return value;
+    } else if (Array.from) {
+      return Array.from(value);
+    } else {
+      return [].slice.call(value);
+    }
+  }
+  class BlobRecord {
+    constructor(file, checksum, url, customHeaders = {}) {
+      this.file = file;
+      this.attributes = {
+        filename: file.name,
+        content_type: file.type || "application/octet-stream",
+        byte_size: file.size,
+        checksum: checksum
+      };
+      this.xhr = new XMLHttpRequest;
+      this.xhr.open("POST", url, true);
+      this.xhr.responseType = "json";
+      this.xhr.setRequestHeader("Content-Type", "application/json");
+      this.xhr.setRequestHeader("Accept", "application/json");
+      this.xhr.setRequestHeader("X-Requested-With", "XMLHttpRequest");
+      Object.keys(customHeaders).forEach((headerKey => {
+        this.xhr.setRequestHeader(headerKey, customHeaders[headerKey]);
+      }));
+      const csrfToken = getMetaValue("csrf-token");
+      if (csrfToken != undefined) {
+        this.xhr.setRequestHeader("X-CSRF-Token", csrfToken);
+      }
+      this.xhr.addEventListener("load", (event => this.requestDidLoad(event)));
+      this.xhr.addEventListener("error", (event => this.requestDidError(event)));
+    }
+    get status() {
+      return this.xhr.status;
+    }
+    get response() {
+      const {responseType: responseType, response: response} = this.xhr;
+      if (responseType == "json") {
+        return response;
+      } else {
+        return JSON.parse(response);
+      }
+    }
+    create(callback) {
+      this.callback = callback;
+      this.xhr.send(JSON.stringify({
+        blob: this.attributes
+      }));
+    }
+    requestDidLoad(event) {
+      if (this.status >= 200 && this.status < 300) {
+        const {response: response} = this;
+        const {direct_upload: direct_upload} = response;
+        delete response.direct_upload;
+        this.attributes = response;
+        this.directUploadData = direct_upload;
+        this.callback(null, this.toJSON());
+      } else {
+        this.requestDidError(event);
+      }
+    }
+    requestDidError(event) {
+      this.callback(`Error creating Blob for "${this.file.name}". Status: ${this.status}`);
+    }
+    toJSON() {
+      const result = {};
+      for (const key in this.attributes) {
+        result[key] = this.attributes[key];
+      }
+      return result;
+    }
+  }
+  class BlobUpload {
+    constructor(blob) {
+      this.blob = blob;
+      this.file = blob.file;
+      const {url: url, headers: headers} = blob.directUploadData;
+      this.xhr = new XMLHttpRequest;
+      this.xhr.open("PUT", url, true);
+      this.xhr.responseType = "text";
+      for (const key in headers) {
+        this.xhr.setRequestHeader(key, headers[key]);
+      }
+      this.xhr.addEventListener("load", (event => this.requestDidLoad(event)));
+      this.xhr.addEventListener("error", (event => this.requestDidError(event)));
+    }
+    create(callback) {
+      this.callback = callback;
+      this.xhr.send(this.file.slice());
+    }
+    requestDidLoad(event) {
+      const {status: status, response: response} = this.xhr;
+      if (status >= 200 && status < 300) {
+        this.callback(null, response);
+      } else {
+        this.requestDidError(event);
+      }
+    }
+    requestDidError(event) {
+      this.callback(`Error storing "${this.file.name}". Status: ${this.xhr.status}`);
+    }
+  }
+  let id = 0;
+  class DirectUpload {
+    constructor(file, url, delegate, customHeaders = {}) {
+      this.id = ++id;
+      this.file = file;
+      this.url = url;
+      this.delegate = delegate;
+      this.customHeaders = customHeaders;
+    }
+    create(callback) {
+      FileChecksum.create(this.file, ((error, checksum) => {
+        if (error) {
+          callback(error);
+          return;
+        }
+        const blob = new BlobRecord(this.file, checksum, this.url, this.customHeaders);
+        notify(this.delegate, "directUploadWillCreateBlobWithXHR", blob.xhr);
+        blob.create((error => {
+          if (error) {
+            callback(error);
+          } else {
+            const upload = new BlobUpload(blob);
+            notify(this.delegate, "directUploadWillStoreFileWithXHR", upload.xhr);
+            upload.create((error => {
+              if (error) {
+                callback(error);
+              } else {
+                callback(null, blob.toJSON());
+              }
+            }));
+          }
+        }));
+      }));
+    }
+  }
+  function notify(object, methodName, ...messages) {
+    if (object && typeof object[methodName] == "function") {
+      return object[methodName](...messages);
+    }
+  }
+  class DirectUploadController {
+    constructor(input, file) {
+      this.input = input;
+      this.file = file;
+      this.directUpload = new DirectUpload(this.file, this.url, this);
+      this.dispatch("initialize");
+    }
+    start(callback) {
+      const hiddenInput = document.createElement("input");
+      hiddenInput.type = "hidden";
+      hiddenInput.name = this.input.name;
+      this.input.insertAdjacentElement("beforebegin", hiddenInput);
+      this.dispatch("start");
+      this.directUpload.create(((error, attributes) => {
+        if (error) {
+          hiddenInput.parentNode.removeChild(hiddenInput);
+          this.dispatchError(error);
+        } else {
+          hiddenInput.value = attributes.signed_id;
+        }
+        this.dispatch("end");
+        callback(error);
+      }));
+    }
+    uploadRequestDidProgress(event) {
+      const progress = event.loaded / event.total * 100;
+      if (progress) {
+        this.dispatch("progress", {
+          progress: progress
+        });
+      }
+    }
+    get url() {
+      return this.input.getAttribute("data-direct-upload-url");
+    }
+    dispatch(name, detail = {}) {
+      detail.file = this.file;
+      detail.id = this.directUpload.id;
+      return dispatchEvent(this.input, `direct-upload:${name}`, {
+        detail: detail
+      });
+    }
+    dispatchError(error) {
+      const event = this.dispatch("error", {
+        error: error
+      });
+      if (!event.defaultPrevented) {
+        alert(error);
+      }
+    }
+    directUploadWillCreateBlobWithXHR(xhr) {
+      this.dispatch("before-blob-request", {
+        xhr: xhr
+      });
+    }
+    directUploadWillStoreFileWithXHR(xhr) {
+      this.dispatch("before-storage-request", {
+        xhr: xhr
+      });
+      xhr.upload.addEventListener("progress", (event => this.uploadRequestDidProgress(event)));
+    }
+  }
+  const inputSelector = "input[type=file][data-direct-upload-url]:not([disabled])";
+  class DirectUploadsController {
+    constructor(form) {
+      this.form = form;
+      this.inputs = findElements(form, inputSelector).filter((input => input.files.length));
+    }
+    start(callback) {
+      const controllers = this.createDirectUploadControllers();
+      const startNextController = () => {
+        const controller = controllers.shift();
+        if (controller) {
+          controller.start((error => {
+            if (error) {
+              callback(error);
+              this.dispatch("end");
+            } else {
+              startNextController();
+            }
+          }));
+        } else {
+          callback();
+          this.dispatch("end");
+        }
+      };
+      this.dispatch("start");
+      startNextController();
+    }
+    createDirectUploadControllers() {
+      const controllers = [];
+      this.inputs.forEach((input => {
+        toArray(input.files).forEach((file => {
+          const controller = new DirectUploadController(input, file);
+          controllers.push(controller);
+        }));
+      }));
+      return controllers;
+    }
+    dispatch(name, detail = {}) {
+      return dispatchEvent(this.form, `direct-uploads:${name}`, {
+        detail: detail
+      });
+    }
+  }
+  const processingAttribute = "data-direct-uploads-processing";
+  const submitButtonsByForm = new WeakMap;
+  let started = false;
+  function start() {
+    if (!started) {
+      started = true;
+      document.addEventListener("click", didClick, true);
+      document.addEventListener("submit", didSubmitForm, true);
+      document.addEventListener("ajax:before", didSubmitRemoteElement);
+    }
+  }
+  function didClick(event) {
+    const button = event.target.closest("button, input");
+    if (button && button.type === "submit" && button.form) {
+      submitButtonsByForm.set(button.form, button);
+    }
+  }
+  function didSubmitForm(event) {
+    handleFormSubmissionEvent(event);
+  }
+  function didSubmitRemoteElement(event) {
+    if (event.target.tagName == "FORM") {
+      handleFormSubmissionEvent(event);
+    }
+  }
+  function handleFormSubmissionEvent(event) {
+    const form = event.target;
+    if (form.hasAttribute(processingAttribute)) {
+      event.preventDefault();
+      return;
+    }
+    const controller = new DirectUploadsController(form);
+    const {inputs: inputs} = controller;
+    if (inputs.length) {
+      event.preventDefault();
+      form.setAttribute(processingAttribute, "");
+      inputs.forEach(disable);
+      controller.start((error => {
+        form.removeAttribute(processingAttribute);
+        if (error) {
+          inputs.forEach(enable);
+        } else {
+          submitForm(form);
+        }
+      }));
+    }
+  }
+  function submitForm(form) {
+    let button = submitButtonsByForm.get(form) || findElement(form, "input[type=submit], button[type=submit]");
+    if (button) {
+      const {disabled: disabled} = button;
+      button.disabled = false;
+      button.focus();
+      button.click();
+      button.disabled = disabled;
+    } else {
+      button = document.createElement("input");
+      button.type = "submit";
+      button.style.display = "none";
+      form.appendChild(button);
+      button.click();
+      form.removeChild(button);
+    }
+    submitButtonsByForm.delete(form);
+  }
+  function disable(input) {
+    input.disabled = true;
+  }
+  function enable(input) {
+    input.disabled = false;
+  }
+  function autostart() {
+    if (window.ActiveStorage) {
+      start();
+    }
+  }
+  setTimeout(autostart, 1);
+  class AttachmentUpload {
+    constructor(attachment, element) {
+      this.attachment = attachment;
+      this.element = element;
+      this.directUpload = new DirectUpload(attachment.file, this.directUploadUrl, this);
+    }
+    start() {
+      this.directUpload.create(this.directUploadDidComplete.bind(this));
+      this.dispatch("start");
+    }
+    directUploadWillStoreFileWithXHR(xhr) {
+      xhr.upload.addEventListener("progress", (event => {
+        const progress = event.loaded / event.total * 100;
+        this.attachment.setUploadProgress(progress);
+        if (progress) {
+          this.dispatch("progress", {
+            progress: progress
+          });
+        }
+      }));
+    }
+    directUploadDidComplete(error, attributes) {
+      if (error) {
+        this.dispatchError(error);
+      } else {
+        this.attachment.setAttributes({
+          sgid: attributes.attachable_sgid,
+          url: this.createBlobUrl(attributes.signed_id, attributes.filename)
+        });
+        this.dispatch("end");
+      }
+    }
+    createBlobUrl(signedId, filename) {
+      return this.blobUrlTemplate.replace(":signed_id", signedId).replace(":filename", encodeURIComponent(filename));
+    }
+    dispatch(name, detail = {}) {
+      detail.attachment = this.attachment;
+      return dispatchEvent(this.element, `direct-upload:${name}`, {
+        detail: detail
+      });
+    }
+    dispatchError(error) {
+      const event = this.dispatch("error", {
+        error: error
+      });
+      if (!event.defaultPrevented) {
+        alert(error);
+      }
+    }
+    get directUploadUrl() {
+      return this.element.dataset.directUploadUrl;
+    }
+    get blobUrlTemplate() {
+      return this.element.dataset.blobUrlTemplate;
+    }
+  }
+  addEventListener("trix-attachment-add", (event => {
+    const {attachment: attachment, target: target} = event;
+    if (attachment.file) {
+      const upload = new AttachmentUpload(attachment, target);
+      upload.start();
+    }
+  }));
+}));

backend/public/assets/actiontext.esm-6790d4daf5458cd6eb8de2d56e754a340caeba909cb2952a35fb478955493d8c.js

@@ -0,0 +1,911 @@
+var sparkMd5 = {
+  exports: {}
+};
+
+(function(module, exports) {
+  (function(factory) {
+    {
+      module.exports = factory();
+    }
+  })((function(undefined$1) {
+    var hex_chr = [ "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "a", "b", "c", "d", "e", "f" ];
+    function md5cycle(x, k) {
+      var a = x[0], b = x[1], c = x[2], d = x[3];
+      a += (b & c | ~b & d) + k[0] - 680876936 | 0;
+      a = (a << 7 | a >>> 25) + b | 0;
+      d += (a & b | ~a & c) + k[1] - 389564586 | 0;
+      d = (d << 12 | d >>> 20) + a | 0;
+      c += (d & a | ~d & b) + k[2] + 606105819 | 0;
+      c = (c << 17 | c >>> 15) + d | 0;
+      b += (c & d | ~c & a) + k[3] - 1044525330 | 0;
+      b = (b << 22 | b >>> 10) + c | 0;
+      a += (b & c | ~b & d) + k[4] - 176418897 | 0;
+      a = (a << 7 | a >>> 25) + b | 0;
+      d += (a & b | ~a & c) + k[5] + 1200080426 | 0;
+      d = (d << 12 | d >>> 20) + a | 0;
+      c += (d & a | ~d & b) + k[6] - 1473231341 | 0;
+      c = (c << 17 | c >>> 15) + d | 0;
+      b += (c & d | ~c & a) + k[7] - 45705983 | 0;
+      b = (b << 22 | b >>> 10) + c | 0;
+      a += (b & c | ~b & d) + k[8] + 1770035416 | 0;
+      a = (a << 7 | a >>> 25) + b | 0;
+      d += (a & b | ~a & c) + k[9] - 1958414417 | 0;
+      d = (d << 12 | d >>> 20) + a | 0;
+      c += (d & a | ~d & b) + k[10] - 42063 | 0;
+      c = (c << 17 | c >>> 15) + d | 0;
+      b += (c & d | ~c & a) + k[11] - 1990404162 | 0;
+      b = (b << 22 | b >>> 10) + c | 0;
+      a += (b & c | ~b & d) + k[12] + 1804603682 | 0;
+      a = (a << 7 | a >>> 25) + b | 0;
+      d += (a & b | ~a & c) + k[13] - 40341101 | 0;
+      d = (d << 12 | d >>> 20) + a | 0;
+      c += (d & a | ~d & b) + k[14] - 1502002290 | 0;
+      c = (c << 17 | c >>> 15) + d | 0;
+      b += (c & d | ~c & a) + k[15] + 1236535329 | 0;
+      b = (b << 22 | b >>> 10) + c | 0;
+      a += (b & d | c & ~d) + k[1] - 165796510 | 0;
+      a = (a << 5 | a >>> 27) + b | 0;
+      d += (a & c | b & ~c) + k[6] - 1069501632 | 0;
+      d = (d << 9 | d >>> 23) + a | 0;
+      c += (d & b | a & ~b) + k[11] + 643717713 | 0;
+      c = (c << 14 | c >>> 18) + d | 0;
+      b += (c & a | d & ~a) + k[0] - 373897302 | 0;
+      b = (b << 20 | b >>> 12) + c | 0;
+      a += (b & d | c & ~d) + k[5] - 701558691 | 0;
+      a = (a << 5 | a >>> 27) + b | 0;
+      d += (a & c | b & ~c) + k[10] + 38016083 | 0;
+      d = (d << 9 | d >>> 23) + a | 0;
+      c += (d & b | a & ~b) + k[15] - 660478335 | 0;
+      c = (c << 14 | c >>> 18) + d | 0;
+      b += (c & a | d & ~a) + k[4] - 405537848 | 0;
+      b = (b << 20 | b >>> 12) + c | 0;
+      a += (b & d | c & ~d) + k[9] + 568446438 | 0;
+      a = (a << 5 | a >>> 27) + b | 0;
+      d += (a & c | b & ~c) + k[14] - 1019803690 | 0;
+      d = (d << 9 | d >>> 23) + a | 0;
+      c += (d & b | a & ~b) + k[3] - 187363961 | 0;
+      c = (c << 14 | c >>> 18) + d | 0;
+      b += (c & a | d & ~a) + k[8] + 1163531501 | 0;
+      b = (b << 20 | b >>> 12) + c | 0;
+      a += (b & d | c & ~d) + k[13] - 1444681467 | 0;
+      a = (a << 5 | a >>> 27) + b | 0;
+      d += (a & c | b & ~c) + k[2] - 51403784 | 0;
+      d = (d << 9 | d >>> 23) + a | 0;
+      c += (d & b | a & ~b) + k[7] + 1735328473 | 0;
+      c = (c << 14 | c >>> 18) + d | 0;
+      b += (c & a | d & ~a) + k[12] - 1926607734 | 0;
+      b = (b << 20 | b >>> 12) + c | 0;
+      a += (b ^ c ^ d) + k[5] - 378558 | 0;
+      a = (a << 4 | a >>> 28) + b | 0;
+      d += (a ^ b ^ c) + k[8] - 2022574463 | 0;
+      d = (d << 11 | d >>> 21) + a | 0;
+      c += (d ^ a ^ b) + k[11] + 1839030562 | 0;
+      c = (c << 16 | c >>> 16) + d | 0;
+      b += (c ^ d ^ a) + k[14] - 35309556 | 0;
+      b = (b << 23 | b >>> 9) + c | 0;
+      a += (b ^ c ^ d) + k[1] - 1530992060 | 0;
+      a = (a << 4 | a >>> 28) + b | 0;
+      d += (a ^ b ^ c) + k[4] + 1272893353 | 0;
+      d = (d << 11 | d >>> 21) + a | 0;
+      c += (d ^ a ^ b) + k[7] - 155497632 | 0;
+      c = (c << 16 | c >>> 16) + d | 0;
+      b += (c ^ d ^ a) + k[10] - 1094730640 | 0;
+      b = (b << 23 | b >>> 9) + c | 0;
+      a += (b ^ c ^ d) + k[13] + 681279174 | 0;
+      a = (a << 4 | a >>> 28) + b | 0;
+      d += (a ^ b ^ c) + k[0] - 358537222 | 0;
+      d = (d << 11 | d >>> 21) + a | 0;
+      c += (d ^ a ^ b) + k[3] - 722521979 | 0;
+      c = (c << 16 | c >>> 16) + d | 0;
+      b += (c ^ d ^ a) + k[6] + 76029189 | 0;
+      b = (b << 23 | b >>> 9) + c | 0;
+      a += (b ^ c ^ d) + k[9] - 640364487 | 0;
+      a = (a << 4 | a >>> 28) + b | 0;
+      d += (a ^ b ^ c) + k[12] - 421815835 | 0;
+      d = (d << 11 | d >>> 21) + a | 0;
+      c += (d ^ a ^ b) + k[15] + 530742520 | 0;
+      c = (c << 16 | c >>> 16) + d | 0;
+      b += (c ^ d ^ a) + k[2] - 995338651 | 0;
+      b = (b << 23 | b >>> 9) + c | 0;
+      a += (c ^ (b | ~d)) + k[0] - 198630844 | 0;
+      a = (a << 6 | a >>> 26) + b | 0;
+      d += (b ^ (a | ~c)) + k[7] + 1126891415 | 0;
+      d = (d << 10 | d >>> 22) + a | 0;
+      c += (a ^ (d | ~b)) + k[14] - 1416354905 | 0;
+      c = (c << 15 | c >>> 17) + d | 0;
+      b += (d ^ (c | ~a)) + k[5] - 57434055 | 0;
+      b = (b << 21 | b >>> 11) + c | 0;
+      a += (c ^ (b | ~d)) + k[12] + 1700485571 | 0;
+      a = (a << 6 | a >>> 26) + b | 0;
+      d += (b ^ (a | ~c)) + k[3] - 1894986606 | 0;
+      d = (d << 10 | d >>> 22) + a | 0;
+      c += (a ^ (d | ~b)) + k[10] - 1051523 | 0;
+      c = (c << 15 | c >>> 17) + d | 0;
+      b += (d ^ (c | ~a)) + k[1] - 2054922799 | 0;
+      b = (b << 21 | b >>> 11) + c | 0;
+      a += (c ^ (b | ~d)) + k[8] + 1873313359 | 0;
+      a = (a << 6 | a >>> 26) + b | 0;
+      d += (b ^ (a | ~c)) + k[15] - 30611744 | 0;
+      d = (d << 10 | d >>> 22) + a | 0;
+      c += (a ^ (d | ~b)) + k[6] - 1560198380 | 0;
+      c = (c << 15 | c >>> 17) + d | 0;
+      b += (d ^ (c | ~a)) + k[13] + 1309151649 | 0;
+      b = (b << 21 | b >>> 11) + c | 0;
+      a += (c ^ (b | ~d)) + k[4] - 145523070 | 0;
+      a = (a << 6 | a >>> 26) + b | 0;
+      d += (b ^ (a | ~c)) + k[11] - 1120210379 | 0;
+      d = (d << 10 | d >>> 22) + a | 0;
+      c += (a ^ (d | ~b)) + k[2] + 718787259 | 0;
+      c = (c << 15 | c >>> 17) + d | 0;
+      b += (d ^ (c | ~a)) + k[9] - 343485551 | 0;
+      b = (b << 21 | b >>> 11) + c | 0;
+      x[0] = a + x[0] | 0;
+      x[1] = b + x[1] | 0;
+      x[2] = c + x[2] | 0;
+      x[3] = d + x[3] | 0;
+    }
+    function md5blk(s) {
+      var md5blks = [], i;
+      for (i = 0; i < 64; i += 4) {
+        md5blks[i >> 2] = s.charCodeAt(i) + (s.charCodeAt(i + 1) << 8) + (s.charCodeAt(i + 2) << 16) + (s.charCodeAt(i + 3) << 24);
+      }
+      return md5blks;
+    }
+    function md5blk_array(a) {
+      var md5blks = [], i;
+      for (i = 0; i < 64; i += 4) {
+        md5blks[i >> 2] = a[i] + (a[i + 1] << 8) + (a[i + 2] << 16) + (a[i + 3] << 24);
+      }
+      return md5blks;
+    }
+    function md51(s) {
+      var n = s.length, state = [ 1732584193, -271733879, -1732584194, 271733878 ], i, length, tail, tmp, lo, hi;
+      for (i = 64; i <= n; i += 64) {
+        md5cycle(state, md5blk(s.substring(i - 64, i)));
+      }
+      s = s.substring(i - 64);
+      length = s.length;
+      tail = [ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ];
+      for (i = 0; i < length; i += 1) {
+        tail[i >> 2] |= s.charCodeAt(i) << (i % 4 << 3);
+      }
+      tail[i >> 2] |= 128 << (i % 4 << 3);
+      if (i > 55) {
+        md5cycle(state, tail);
+        for (i = 0; i < 16; i += 1) {
+          tail[i] = 0;
+        }
+      }
+      tmp = n * 8;
+      tmp = tmp.toString(16).match(/(.*?)(.{0,8})$/);
+      lo = parseInt(tmp[2], 16);
+      hi = parseInt(tmp[1], 16) || 0;
+      tail[14] = lo;
+      tail[15] = hi;
+      md5cycle(state, tail);
+      return state;
+    }
+    function md51_array(a) {
+      var n = a.length, state = [ 1732584193, -271733879, -1732584194, 271733878 ], i, length, tail, tmp, lo, hi;
+      for (i = 64; i <= n; i += 64) {
+        md5cycle(state, md5blk_array(a.subarray(i - 64, i)));
+      }
+      a = i - 64 < n ? a.subarray(i - 64) : new Uint8Array(0);
+      length = a.length;
+      tail = [ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ];
+      for (i = 0; i < length; i += 1) {
+        tail[i >> 2] |= a[i] << (i % 4 << 3);
+      }
+      tail[i >> 2] |= 128 << (i % 4 << 3);
+      if (i > 55) {
+        md5cycle(state, tail);
+        for (i = 0; i < 16; i += 1) {
+          tail[i] = 0;
+        }
+      }
+      tmp = n * 8;
+      tmp = tmp.toString(16).match(/(.*?)(.{0,8})$/);
+      lo = parseInt(tmp[2], 16);
+      hi = parseInt(tmp[1], 16) || 0;
+      tail[14] = lo;
+      tail[15] = hi;
+      md5cycle(state, tail);
+      return state;
+    }
+    function rhex(n) {
+      var s = "", j;
+      for (j = 0; j < 4; j += 1) {
+        s += hex_chr[n >> j * 8 + 4 & 15] + hex_chr[n >> j * 8 & 15];
+      }
+      return s;
+    }
+    function hex(x) {
+      var i;
+      for (i = 0; i < x.length; i += 1) {
+        x[i] = rhex(x[i]);
+      }
+      return x.join("");
+    }
+    if (hex(md51("hello")) !== "5d41402abc4b2a76b9719d911017c592") ;
+    if (typeof ArrayBuffer !== "undefined" && !ArrayBuffer.prototype.slice) {
+      (function() {
+        function clamp(val, length) {
+          val = val | 0 || 0;
+          if (val < 0) {
+            return Math.max(val + length, 0);
+          }
+          return Math.min(val, length);
+        }
+        ArrayBuffer.prototype.slice = function(from, to) {
+          var length = this.byteLength, begin = clamp(from, length), end = length, num, target, targetArray, sourceArray;
+          if (to !== undefined$1) {
+            end = clamp(to, length);
+          }
+          if (begin > end) {
+            return new ArrayBuffer(0);
+          }
+          num = end - begin;
+          target = new ArrayBuffer(num);
+          targetArray = new Uint8Array(target);
+          sourceArray = new Uint8Array(this, begin, num);
+          targetArray.set(sourceArray);
+          return target;
+        };
+      })();
+    }
+    function toUtf8(str) {
+      if (/[\u0080-\uFFFF]/.test(str)) {
+        str = unescape(encodeURIComponent(str));
+      }
+      return str;
+    }
+    function utf8Str2ArrayBuffer(str, returnUInt8Array) {
+      var length = str.length, buff = new ArrayBuffer(length), arr = new Uint8Array(buff), i;
+      for (i = 0; i < length; i += 1) {
+        arr[i] = str.charCodeAt(i);
+      }
+      return returnUInt8Array ? arr : buff;
+    }
+    function arrayBuffer2Utf8Str(buff) {
+      return String.fromCharCode.apply(null, new Uint8Array(buff));
+    }
+    function concatenateArrayBuffers(first, second, returnUInt8Array) {
+      var result = new Uint8Array(first.byteLength + second.byteLength);
+      result.set(new Uint8Array(first));
+      result.set(new Uint8Array(second), first.byteLength);
+      return returnUInt8Array ? result : result.buffer;
+    }
+    function hexToBinaryString(hex) {
+      var bytes = [], length = hex.length, x;
+      for (x = 0; x < length - 1; x += 2) {
+        bytes.push(parseInt(hex.substr(x, 2), 16));
+      }
+      return String.fromCharCode.apply(String, bytes);
+    }
+    function SparkMD5() {
+      this.reset();
+    }
+    SparkMD5.prototype.append = function(str) {
+      this.appendBinary(toUtf8(str));
+      return this;
+    };
+    SparkMD5.prototype.appendBinary = function(contents) {
+      this._buff += contents;
+      this._length += contents.length;
+      var length = this._buff.length, i;
+      for (i = 64; i <= length; i += 64) {
+        md5cycle(this._hash, md5blk(this._buff.substring(i - 64, i)));
+      }
+      this._buff = this._buff.substring(i - 64);
+      return this;
+    };
+    SparkMD5.prototype.end = function(raw) {
+      var buff = this._buff, length = buff.length, i, tail = [ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ], ret;
+      for (i = 0; i < length; i += 1) {
+        tail[i >> 2] |= buff.charCodeAt(i) << (i % 4 << 3);
+      }
+      this._finish(tail, length);
+      ret = hex(this._hash);
+      if (raw) {
+        ret = hexToBinaryString(ret);
+      }
+      this.reset();
+      return ret;
+    };
+    SparkMD5.prototype.reset = function() {
+      this._buff = "";
+      this._length = 0;
+      this._hash = [ 1732584193, -271733879, -1732584194, 271733878 ];
+      return this;
+    };
+    SparkMD5.prototype.getState = function() {
+      return {
+        buff: this._buff,
+        length: this._length,
+        hash: this._hash.slice()
+      };
+    };
+    SparkMD5.prototype.setState = function(state) {
+      this._buff = state.buff;
+      this._length = state.length;
+      this._hash = state.hash;
+      return this;
+    };
+    SparkMD5.prototype.destroy = function() {
+      delete this._hash;
+      delete this._buff;
+      delete this._length;
+    };
+    SparkMD5.prototype._finish = function(tail, length) {
+      var i = length, tmp, lo, hi;
+      tail[i >> 2] |= 128 << (i % 4 << 3);
+      if (i > 55) {
+        md5cycle(this._hash, tail);
+        for (i = 0; i < 16; i += 1) {
+          tail[i] = 0;
+        }
+      }
+      tmp = this._length * 8;
+      tmp = tmp.toString(16).match(/(.*?)(.{0,8})$/);
+      lo = parseInt(tmp[2], 16);
+      hi = parseInt(tmp[1], 16) || 0;
+      tail[14] = lo;
+      tail[15] = hi;
+      md5cycle(this._hash, tail);
+    };
+    SparkMD5.hash = function(str, raw) {
+      return SparkMD5.hashBinary(toUtf8(str), raw);
+    };
+    SparkMD5.hashBinary = function(content, raw) {
+      var hash = md51(content), ret = hex(hash);
+      return raw ? hexToBinaryString(ret) : ret;
+    };
+    SparkMD5.ArrayBuffer = function() {
+      this.reset();
+    };
+    SparkMD5.ArrayBuffer.prototype.append = function(arr) {
+      var buff = concatenateArrayBuffers(this._buff.buffer, arr, true), length = buff.length, i;
+      this._length += arr.byteLength;
+      for (i = 64; i <= length; i += 64) {
+        md5cycle(this._hash, md5blk_array(buff.subarray(i - 64, i)));
+      }
+      this._buff = i - 64 < length ? new Uint8Array(buff.buffer.slice(i - 64)) : new Uint8Array(0);
+      return this;
+    };
+    SparkMD5.ArrayBuffer.prototype.end = function(raw) {
+      var buff = this._buff, length = buff.length, tail = [ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ], i, ret;
+      for (i = 0; i < length; i += 1) {
+        tail[i >> 2] |= buff[i] << (i % 4 << 3);
+      }
+      this._finish(tail, length);
+      ret = hex(this._hash);
+      if (raw) {
+        ret = hexToBinaryString(ret);
+      }
+      this.reset();
+      return ret;
+    };
+    SparkMD5.ArrayBuffer.prototype.reset = function() {
+      this._buff = new Uint8Array(0);
+      this._length = 0;
+      this._hash = [ 1732584193, -271733879, -1732584194, 271733878 ];
+      return this;
+    };
+    SparkMD5.ArrayBuffer.prototype.getState = function() {
+      var state = SparkMD5.prototype.getState.call(this);
+      state.buff = arrayBuffer2Utf8Str(state.buff);
+      return state;
+    };
+    SparkMD5.ArrayBuffer.prototype.setState = function(state) {
+      state.buff = utf8Str2ArrayBuffer(state.buff, true);
+      return SparkMD5.prototype.setState.call(this, state);
+    };
+    SparkMD5.ArrayBuffer.prototype.destroy = SparkMD5.prototype.destroy;
+    SparkMD5.ArrayBuffer.prototype._finish = SparkMD5.prototype._finish;
+    SparkMD5.ArrayBuffer.hash = function(arr, raw) {
+      var hash = md51_array(new Uint8Array(arr)), ret = hex(hash);
+      return raw ? hexToBinaryString(ret) : ret;
+    };
+    return SparkMD5;
+  }));
+})(sparkMd5);
+
+var SparkMD5 = sparkMd5.exports;
+
+const fileSlice = File.prototype.slice || File.prototype.mozSlice || File.prototype.webkitSlice;
+
+class FileChecksum {
+  static create(file, callback) {
+    const instance = new FileChecksum(file);
+    instance.create(callback);
+  }
+  constructor(file) {
+    this.file = file;
+    this.chunkSize = 2097152;
+    this.chunkCount = Math.ceil(this.file.size / this.chunkSize);
+    this.chunkIndex = 0;
+  }
+  create(callback) {
+    this.callback = callback;
+    this.md5Buffer = new SparkMD5.ArrayBuffer;
+    this.fileReader = new FileReader;
+    this.fileReader.addEventListener("load", (event => this.fileReaderDidLoad(event)));
+    this.fileReader.addEventListener("error", (event => this.fileReaderDidError(event)));
+    this.readNextChunk();
+  }
+  fileReaderDidLoad(event) {
+    this.md5Buffer.append(event.target.result);
+    if (!this.readNextChunk()) {
+      const binaryDigest = this.md5Buffer.end(true);
+      const base64digest = btoa(binaryDigest);
+      this.callback(null, base64digest);
+    }
+  }
+  fileReaderDidError(event) {
+    this.callback(`Error reading ${this.file.name}`);
+  }
+  readNextChunk() {
+    if (this.chunkIndex < this.chunkCount || this.chunkIndex == 0 && this.chunkCount == 0) {
+      const start = this.chunkIndex * this.chunkSize;
+      const end = Math.min(start + this.chunkSize, this.file.size);
+      const bytes = fileSlice.call(this.file, start, end);
+      this.fileReader.readAsArrayBuffer(bytes);
+      this.chunkIndex++;
+      return true;
+    } else {
+      return false;
+    }
+  }
+}
+
+function getMetaValue(name) {
+  const element = findElement(document.head, `meta[name="${name}"]`);
+  if (element) {
+    return element.getAttribute("content");
+  }
+}
+
+function findElements(root, selector) {
+  if (typeof root == "string") {
+    selector = root;
+    root = document;
+  }
+  const elements = root.querySelectorAll(selector);
+  return toArray(elements);
+}
+
+function findElement(root, selector) {
+  if (typeof root == "string") {
+    selector = root;
+    root = document;
+  }
+  return root.querySelector(selector);
+}
+
+function dispatchEvent(element, type, eventInit = {}) {
+  const {disabled: disabled} = element;
+  const {bubbles: bubbles, cancelable: cancelable, detail: detail} = eventInit;
+  const event = document.createEvent("Event");
+  event.initEvent(type, bubbles || true, cancelable || true);
+  event.detail = detail || {};
+  try {
+    element.disabled = false;
+    element.dispatchEvent(event);
+  } finally {
+    element.disabled = disabled;
+  }
+  return event;
+}
+
+function toArray(value) {
+  if (Array.isArray(value)) {
+    return value;
+  } else if (Array.from) {
+    return Array.from(value);
+  } else {
+    return [].slice.call(value);
+  }
+}
+
+class BlobRecord {
+  constructor(file, checksum, url, customHeaders = {}) {
+    this.file = file;
+    this.attributes = {
+      filename: file.name,
+      content_type: file.type || "application/octet-stream",
+      byte_size: file.size,
+      checksum: checksum
+    };
+    this.xhr = new XMLHttpRequest;
+    this.xhr.open("POST", url, true);
+    this.xhr.responseType = "json";
+    this.xhr.setRequestHeader("Content-Type", "application/json");
+    this.xhr.setRequestHeader("Accept", "application/json");
+    this.xhr.setRequestHeader("X-Requested-With", "XMLHttpRequest");
+    Object.keys(customHeaders).forEach((headerKey => {
+      this.xhr.setRequestHeader(headerKey, customHeaders[headerKey]);
+    }));
+    const csrfToken = getMetaValue("csrf-token");
+    if (csrfToken != undefined) {
+      this.xhr.setRequestHeader("X-CSRF-Token", csrfToken);
+    }
+    this.xhr.addEventListener("load", (event => this.requestDidLoad(event)));
+    this.xhr.addEventListener("error", (event => this.requestDidError(event)));
+  }
+  get status() {
+    return this.xhr.status;
+  }
+  get response() {
+    const {responseType: responseType, response: response} = this.xhr;
+    if (responseType == "json") {
+      return response;
+    } else {
+      return JSON.parse(response);
+    }
+  }
+  create(callback) {
+    this.callback = callback;
+    this.xhr.send(JSON.stringify({
+      blob: this.attributes
+    }));
+  }
+  requestDidLoad(event) {
+    if (this.status >= 200 && this.status < 300) {
+      const {response: response} = this;
+      const {direct_upload: direct_upload} = response;
+      delete response.direct_upload;
+      this.attributes = response;
+      this.directUploadData = direct_upload;
+      this.callback(null, this.toJSON());
+    } else {
+      this.requestDidError(event);
+    }
+  }
+  requestDidError(event) {
+    this.callback(`Error creating Blob for "${this.file.name}". Status: ${this.status}`);
+  }
+  toJSON() {
+    const result = {};
+    for (const key in this.attributes) {
+      result[key] = this.attributes[key];
+    }
+    return result;
+  }
+}
+
+class BlobUpload {
+  constructor(blob) {
+    this.blob = blob;
+    this.file = blob.file;
+    const {url: url, headers: headers} = blob.directUploadData;
+    this.xhr = new XMLHttpRequest;
+    this.xhr.open("PUT", url, true);
+    this.xhr.responseType = "text";
+    for (const key in headers) {
+      this.xhr.setRequestHeader(key, headers[key]);
+    }
+    this.xhr.addEventListener("load", (event => this.requestDidLoad(event)));
+    this.xhr.addEventListener("error", (event => this.requestDidError(event)));
+  }
+  create(callback) {
+    this.callback = callback;
+    this.xhr.send(this.file.slice());
+  }
+  requestDidLoad(event) {
+    const {status: status, response: response} = this.xhr;
+    if (status >= 200 && status < 300) {
+      this.callback(null, response);
+    } else {
+      this.requestDidError(event);
+    }
+  }
+  requestDidError(event) {
+    this.callback(`Error storing "${this.file.name}". Status: ${this.xhr.status}`);
+  }
+}
+
+let id = 0;
+
+class DirectUpload {
+  constructor(file, url, delegate, customHeaders = {}) {
+    this.id = ++id;
+    this.file = file;
+    this.url = url;
+    this.delegate = delegate;
+    this.customHeaders = customHeaders;
+  }
+  create(callback) {
+    FileChecksum.create(this.file, ((error, checksum) => {
+      if (error) {
+        callback(error);
+        return;
+      }
+      const blob = new BlobRecord(this.file, checksum, this.url, this.customHeaders);
+      notify(this.delegate, "directUploadWillCreateBlobWithXHR", blob.xhr);
+      blob.create((error => {
+        if (error) {
+          callback(error);
+        } else {
+          const upload = new BlobUpload(blob);
+          notify(this.delegate, "directUploadWillStoreFileWithXHR", upload.xhr);
+          upload.create((error => {
+            if (error) {
+              callback(error);
+            } else {
+              callback(null, blob.toJSON());
+            }
+          }));
+        }
+      }));
+    }));
+  }
+}
+
+function notify(object, methodName, ...messages) {
+  if (object && typeof object[methodName] == "function") {
+    return object[methodName](...messages);
+  }
+}
+
+class DirectUploadController {
+  constructor(input, file) {
+    this.input = input;
+    this.file = file;
+    this.directUpload = new DirectUpload(this.file, this.url, this);
+    this.dispatch("initialize");
+  }
+  start(callback) {
+    const hiddenInput = document.createElement("input");
+    hiddenInput.type = "hidden";
+    hiddenInput.name = this.input.name;
+    this.input.insertAdjacentElement("beforebegin", hiddenInput);
+    this.dispatch("start");
+    this.directUpload.create(((error, attributes) => {
+      if (error) {
+        hiddenInput.parentNode.removeChild(hiddenInput);
+        this.dispatchError(error);
+      } else {
+        hiddenInput.value = attributes.signed_id;
+      }
+      this.dispatch("end");
+      callback(error);
+    }));
+  }
+  uploadRequestDidProgress(event) {
+    const progress = event.loaded / event.total * 100;
+    if (progress) {
+      this.dispatch("progress", {
+        progress: progress
+      });
+    }
+  }
+  get url() {
+    return this.input.getAttribute("data-direct-upload-url");
+  }
+  dispatch(name, detail = {}) {
+    detail.file = this.file;
+    detail.id = this.directUpload.id;
+    return dispatchEvent(this.input, `direct-upload:${name}`, {
+      detail: detail
+    });
+  }
+  dispatchError(error) {
+    const event = this.dispatch("error", {
+      error: error
+    });
+    if (!event.defaultPrevented) {
+      alert(error);
+    }
+  }
+  directUploadWillCreateBlobWithXHR(xhr) {
+    this.dispatch("before-blob-request", {
+      xhr: xhr
+    });
+  }
+  directUploadWillStoreFileWithXHR(xhr) {
+    this.dispatch("before-storage-request", {
+      xhr: xhr
+    });
+    xhr.upload.addEventListener("progress", (event => this.uploadRequestDidProgress(event)));
+  }
+}
+
+const inputSelector = "input[type=file][data-direct-upload-url]:not([disabled])";
+
+class DirectUploadsController {
+  constructor(form) {
+    this.form = form;
+    this.inputs = findElements(form, inputSelector).filter((input => input.files.length));
+  }
+  start(callback) {
+    const controllers = this.createDirectUploadControllers();
+    const startNextController = () => {
+      const controller = controllers.shift();
+      if (controller) {
+        controller.start((error => {
+          if (error) {
+            callback(error);
+            this.dispatch("end");
+          } else {
+            startNextController();
+          }
+        }));
+      } else {
+        callback();
+        this.dispatch("end");
+      }
+    };
+    this.dispatch("start");
+    startNextController();
+  }
+  createDirectUploadControllers() {
+    const controllers = [];
+    this.inputs.forEach((input => {
+      toArray(input.files).forEach((file => {
+        const controller = new DirectUploadController(input, file);
+        controllers.push(controller);
+      }));
+    }));
+    return controllers;
+  }
+  dispatch(name, detail = {}) {
+    return dispatchEvent(this.form, `direct-uploads:${name}`, {
+      detail: detail
+    });
+  }
+}
+
+const processingAttribute = "data-direct-uploads-processing";
+
+const submitButtonsByForm = new WeakMap;
+
+let started = false;
+
+function start() {
+  if (!started) {
+    started = true;
+    document.addEventListener("click", didClick, true);
+    document.addEventListener("submit", didSubmitForm, true);
+    document.addEventListener("ajax:before", didSubmitRemoteElement);
+  }
+}
+
+function didClick(event) {
+  const button = event.target.closest("button, input");
+  if (button && button.type === "submit" && button.form) {
+    submitButtonsByForm.set(button.form, button);
+  }
+}
+
+function didSubmitForm(event) {
+  handleFormSubmissionEvent(event);
+}
+
+function didSubmitRemoteElement(event) {
+  if (event.target.tagName == "FORM") {
+    handleFormSubmissionEvent(event);
+  }
+}
+
+function handleFormSubmissionEvent(event) {
+  const form = event.target;
+  if (form.hasAttribute(processingAttribute)) {
+    event.preventDefault();
+    return;
+  }
+  const controller = new DirectUploadsController(form);
+  const {inputs: inputs} = controller;
+  if (inputs.length) {
+    event.preventDefault();
+    form.setAttribute(processingAttribute, "");
+    inputs.forEach(disable);
+    controller.start((error => {
+      form.removeAttribute(processingAttribute);
+      if (error) {
+        inputs.forEach(enable);
+      } else {
+        submitForm(form);
+      }
+    }));
+  }
+}
+
+function submitForm(form) {
+  let button = submitButtonsByForm.get(form) || findElement(form, "input[type=submit], button[type=submit]");
+  if (button) {
+    const {disabled: disabled} = button;
+    button.disabled = false;
+    button.focus();
+    button.click();
+    button.disabled = disabled;
+  } else {
+    button = document.createElement("input");
+    button.type = "submit";
+    button.style.display = "none";
+    form.appendChild(button);
+    button.click();
+    form.removeChild(button);
+  }
+  submitButtonsByForm.delete(form);
+}
+
+function disable(input) {
+  input.disabled = true;
+}
+
+function enable(input) {
+  input.disabled = false;
+}
+
+function autostart() {
+  if (window.ActiveStorage) {
+    start();
+  }
+}
+
+setTimeout(autostart, 1);
+
+class AttachmentUpload {
+  constructor(attachment, element) {
+    this.attachment = attachment;
+    this.element = element;
+    this.directUpload = new DirectUpload(attachment.file, this.directUploadUrl, this);
+  }
+  start() {
+    this.directUpload.create(this.directUploadDidComplete.bind(this));
+    this.dispatch("start");
+  }
+  directUploadWillStoreFileWithXHR(xhr) {
+    xhr.upload.addEventListener("progress", (event => {
+      const progress = event.loaded / event.total * 100;
+      this.attachment.setUploadProgress(progress);
+      if (progress) {
+        this.dispatch("progress", {
+          progress: progress
+        });
+      }
+    }));
+  }
+  directUploadDidComplete(error, attributes) {
+    if (error) {
+      this.dispatchError(error);
+    } else {
+      this.attachment.setAttributes({
+        sgid: attributes.attachable_sgid,
+        url: this.createBlobUrl(attributes.signed_id, attributes.filename)
+      });
+      this.dispatch("end");
+    }
+  }
+  createBlobUrl(signedId, filename) {
+    return this.blobUrlTemplate.replace(":signed_id", signedId).replace(":filename", encodeURIComponent(filename));
+  }
+  dispatch(name, detail = {}) {
+    detail.attachment = this.attachment;
+    return dispatchEvent(this.element, `direct-upload:${name}`, {
+      detail: detail
+    });
+  }
+  dispatchError(error) {
+    const event = this.dispatch("error", {
+      error: error
+    });
+    if (!event.defaultPrevented) {
+      alert(error);
+    }
+  }
+  get directUploadUrl() {
+    return this.element.dataset.directUploadUrl;
+  }
+  get blobUrlTemplate() {
+    return this.element.dataset.blobUrlTemplate;
+  }
+}
+
+addEventListener("trix-attachment-add", (event => {
+  const {attachment: attachment, target: target} = event;
+  if (attachment.file) {
+    const upload = new AttachmentUpload(attachment, target);
+    upload.start();
+  }
+}));

backend/public/assets/activestorage-cf22a497d1956e8f0d3ec50f45d68961aa0d138ee062802c36ae384efb260aa2.js

@@ -0,0 +1,830 @@
+(function(global, factory) {
+  typeof exports === "object" && typeof module !== "undefined" ? factory(exports) : typeof define === "function" && define.amd ? define([ "exports" ], factory) : (global = typeof globalThis !== "undefined" ? globalThis : global || self, 
+  factory(global.ActiveStorage = {}));
+})(this, (function(exports) {
+  "use strict";
+  var sparkMd5 = {
+    exports: {}
+  };
+  (function(module, exports) {
+    (function(factory) {
+      {
+        module.exports = factory();
+      }
+    })((function(undefined$1) {
+      var hex_chr = [ "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "a", "b", "c", "d", "e", "f" ];
+      function md5cycle(x, k) {
+        var a = x[0], b = x[1], c = x[2], d = x[3];
+        a += (b & c | ~b & d) + k[0] - 680876936 | 0;
+        a = (a << 7 | a >>> 25) + b | 0;
+        d += (a & b | ~a & c) + k[1] - 389564586 | 0;
+        d = (d << 12 | d >>> 20) + a | 0;
+        c += (d & a | ~d & b) + k[2] + 606105819 | 0;
+        c = (c << 17 | c >>> 15) + d | 0;
+        b += (c & d | ~c & a) + k[3] - 1044525330 | 0;
+        b = (b << 22 | b >>> 10) + c | 0;
+        a += (b & c | ~b & d) + k[4] - 176418897 | 0;
+        a = (a << 7 | a >>> 25) + b | 0;
+        d += (a & b | ~a & c) + k[5] + 1200080426 | 0;
+        d = (d << 12 | d >>> 20) + a | 0;
+        c += (d & a | ~d & b) + k[6] - 1473231341 | 0;
+        c = (c << 17 | c >>> 15) + d | 0;
+        b += (c & d | ~c & a) + k[7] - 45705983 | 0;
+        b = (b << 22 | b >>> 10) + c | 0;
+        a += (b & c | ~b & d) + k[8] + 1770035416 | 0;
+        a = (a << 7 | a >>> 25) + b | 0;
+        d += (a & b | ~a & c) + k[9] - 1958414417 | 0;
+        d = (d << 12 | d >>> 20) + a | 0;
+        c += (d & a | ~d & b) + k[10] - 42063 | 0;
+        c = (c << 17 | c >>> 15) + d | 0;
+        b += (c & d | ~c & a) + k[11] - 1990404162 | 0;
+        b = (b << 22 | b >>> 10) + c | 0;
+        a += (b & c | ~b & d) + k[12] + 1804603682 | 0;
+        a = (a << 7 | a >>> 25) + b | 0;
+        d += (a & b | ~a & c) + k[13] - 40341101 | 0;
+        d = (d << 12 | d >>> 20) + a | 0;
+        c += (d & a | ~d & b) + k[14] - 1502002290 | 0;
+        c = (c << 17 | c >>> 15) + d | 0;
+        b += (c & d | ~c & a) + k[15] + 1236535329 | 0;
+        b = (b << 22 | b >>> 10) + c | 0;
+        a += (b & d | c & ~d) + k[1] - 165796510 | 0;
+        a = (a << 5 | a >>> 27) + b | 0;
+        d += (a & c | b & ~c) + k[6] - 1069501632 | 0;
+        d = (d << 9 | d >>> 23) + a | 0;
+        c += (d & b | a & ~b) + k[11] + 643717713 | 0;
+        c = (c << 14 | c >>> 18) + d | 0;
+        b += (c & a | d & ~a) + k[0] - 373897302 | 0;
+        b = (b << 20 | b >>> 12) + c | 0;
+        a += (b & d | c & ~d) + k[5] - 701558691 | 0;
+        a = (a << 5 | a >>> 27) + b | 0;
+        d += (a & c | b & ~c) + k[10] + 38016083 | 0;
+        d = (d << 9 | d >>> 23) + a | 0;
+        c += (d & b | a & ~b) + k[15] - 660478335 | 0;
+        c = (c << 14 | c >>> 18) + d | 0;
+        b += (c & a | d & ~a) + k[4] - 405537848 | 0;
+        b = (b << 20 | b >>> 12) + c | 0;
+        a += (b & d | c & ~d) + k[9] + 568446438 | 0;
+        a = (a << 5 | a >>> 27) + b | 0;
+        d += (a & c | b & ~c) + k[14] - 1019803690 | 0;
+        d = (d << 9 | d >>> 23) + a | 0;
+        c += (d & b | a & ~b) + k[3] - 187363961 | 0;
+        c = (c << 14 | c >>> 18) + d | 0;
+        b += (c & a | d & ~a) + k[8] + 1163531501 | 0;
+        b = (b << 20 | b >>> 12) + c | 0;
+        a += (b & d | c & ~d) + k[13] - 1444681467 | 0;
+        a = (a << 5 | a >>> 27) + b | 0;
+        d += (a & c | b & ~c) + k[2] - 51403784 | 0;
+        d = (d << 9 | d >>> 23) + a | 0;
+        c += (d & b | a & ~b) + k[7] + 1735328473 | 0;
+        c = (c << 14 | c >>> 18) + d | 0;
+        b += (c & a | d & ~a) + k[12] - 1926607734 | 0;
+        b = (b << 20 | b >>> 12) + c | 0;
+        a += (b ^ c ^ d) + k[5] - 378558 | 0;
+        a = (a << 4 | a >>> 28) + b | 0;
+        d += (a ^ b ^ c) + k[8] - 2022574463 | 0;
+        d = (d << 11 | d >>> 21) + a | 0;
+        c += (d ^ a ^ b) + k[11] + 1839030562 | 0;
+        c = (c << 16 | c >>> 16) + d | 0;
+        b += (c ^ d ^ a) + k[14] - 35309556 | 0;
+        b = (b << 23 | b >>> 9) + c | 0;
+        a += (b ^ c ^ d) + k[1] - 1530992060 | 0;
+        a = (a << 4 | a >>> 28) + b | 0;
+        d += (a ^ b ^ c) + k[4] + 1272893353 | 0;
+        d = (d << 11 | d >>> 21) + a | 0;
+        c += (d ^ a ^ b) + k[7] - 155497632 | 0;
+        c = (c << 16 | c >>> 16) + d | 0;
+        b += (c ^ d ^ a) + k[10] - 1094730640 | 0;
+        b = (b << 23 | b >>> 9) + c | 0;
+        a += (b ^ c ^ d) + k[13] + 681279174 | 0;
+        a = (a << 4 | a >>> 28) + b | 0;
+        d += (a ^ b ^ c) + k[0] - 358537222 | 0;
+        d = (d << 11 | d >>> 21) + a | 0;
+        c += (d ^ a ^ b) + k[3] - 722521979 | 0;
+        c = (c << 16 | c >>> 16) + d | 0;
+        b += (c ^ d ^ a) + k[6] + 76029189 | 0;
+        b = (b << 23 | b >>> 9) + c | 0;
+        a += (b ^ c ^ d) + k[9] - 640364487 | 0;
+        a = (a << 4 | a >>> 28) + b | 0;
+        d += (a ^ b ^ c) + k[12] - 421815835 | 0;
+        d = (d << 11 | d >>> 21) + a | 0;
+        c += (d ^ a ^ b) + k[15] + 530742520 | 0;
+        c = (c << 16 | c >>> 16) + d | 0;
+        b += (c ^ d ^ a) + k[2] - 995338651 | 0;
+        b = (b << 23 | b >>> 9) + c | 0;
+        a += (c ^ (b | ~d)) + k[0] - 198630844 | 0;
+        a = (a << 6 | a >>> 26) + b | 0;
+        d += (b ^ (a | ~c)) + k[7] + 1126891415 | 0;
+        d = (d << 10 | d >>> 22) + a | 0;
+        c += (a ^ (d | ~b)) + k[14] - 1416354905 | 0;
+        c = (c << 15 | c >>> 17) + d | 0;
+        b += (d ^ (c | ~a)) + k[5] - 57434055 | 0;
+        b = (b << 21 | b >>> 11) + c | 0;
+        a += (c ^ (b | ~d)) + k[12] + 1700485571 | 0;
+        a = (a << 6 | a >>> 26) + b | 0;
+        d += (b ^ (a | ~c)) + k[3] - 1894986606 | 0;
+        d = (d << 10 | d >>> 22) + a | 0;
+        c += (a ^ (d | ~b)) + k[10] - 1051523 | 0;
+        c = (c << 15 | c >>> 17) + d | 0;
+        b += (d ^ (c | ~a)) + k[1] - 2054922799 | 0;
+        b = (b << 21 | b >>> 11) + c | 0;
+        a += (c ^ (b | ~d)) + k[8] + 1873313359 | 0;
+        a = (a << 6 | a >>> 26) + b | 0;
+        d += (b ^ (a | ~c)) + k[15] - 30611744 | 0;
+        d = (d << 10 | d >>> 22) + a | 0;
+        c += (a ^ (d | ~b)) + k[6] - 1560198380 | 0;
+        c = (c << 15 | c >>> 17) + d | 0;
+        b += (d ^ (c | ~a)) + k[13] + 1309151649 | 0;
+        b = (b << 21 | b >>> 11) + c | 0;
+        a += (c ^ (b | ~d)) + k[4] - 145523070 | 0;
+        a = (a << 6 | a >>> 26) + b | 0;
+        d += (b ^ (a | ~c)) + k[11] - 1120210379 | 0;
+        d = (d << 10 | d >>> 22) + a | 0;
+        c += (a ^ (d | ~b)) + k[2] + 718787259 | 0;
+        c = (c << 15 | c >>> 17) + d | 0;
+        b += (d ^ (c | ~a)) + k[9] - 343485551 | 0;
+        b = (b << 21 | b >>> 11) + c | 0;
+        x[0] = a + x[0] | 0;
+        x[1] = b + x[1] | 0;
+        x[2] = c + x[2] | 0;
+        x[3] = d + x[3] | 0;
+      }
+      function md5blk(s) {
+        var md5blks = [], i;
+        for (i = 0; i < 64; i += 4) {
+          md5blks[i >> 2] = s.charCodeAt(i) + (s.charCodeAt(i + 1) << 8) + (s.charCodeAt(i + 2) << 16) + (s.charCodeAt(i + 3) << 24);
+        }
+        return md5blks;
+      }
+      function md5blk_array(a) {
+        var md5blks = [], i;
+        for (i = 0; i < 64; i += 4) {
+          md5blks[i >> 2] = a[i] + (a[i + 1] << 8) + (a[i + 2] << 16) + (a[i + 3] << 24);
+        }
+        return md5blks;
+      }
+      function md51(s) {
+        var n = s.length, state = [ 1732584193, -271733879, -1732584194, 271733878 ], i, length, tail, tmp, lo, hi;
+        for (i = 64; i <= n; i += 64) {
+          md5cycle(state, md5blk(s.substring(i - 64, i)));
+        }
+        s = s.substring(i - 64);
+        length = s.length;
+        tail = [ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ];
+        for (i = 0; i < length; i += 1) {
+          tail[i >> 2] |= s.charCodeAt(i) << (i % 4 << 3);
+        }
+        tail[i >> 2] |= 128 << (i % 4 << 3);
+        if (i > 55) {
+          md5cycle(state, tail);
+          for (i = 0; i < 16; i += 1) {
+            tail[i] = 0;
+          }
+        }
+        tmp = n * 8;
+        tmp = tmp.toString(16).match(/(.*?)(.{0,8})$/);
+        lo = parseInt(tmp[2], 16);
+        hi = parseInt(tmp[1], 16) || 0;
+        tail[14] = lo;
+        tail[15] = hi;
+        md5cycle(state, tail);
+        return state;
+      }
+      function md51_array(a) {
+        var n = a.length, state = [ 1732584193, -271733879, -1732584194, 271733878 ], i, length, tail, tmp, lo, hi;
+        for (i = 64; i <= n; i += 64) {
+          md5cycle(state, md5blk_array(a.subarray(i - 64, i)));
+        }
+        a = i - 64 < n ? a.subarray(i - 64) : new Uint8Array(0);
+        length = a.length;
+        tail = [ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ];
+        for (i = 0; i < length; i += 1) {
+          tail[i >> 2] |= a[i] << (i % 4 << 3);
+        }
+        tail[i >> 2] |= 128 << (i % 4 << 3);
+        if (i > 55) {
+          md5cycle(state, tail);
+          for (i = 0; i < 16; i += 1) {
+            tail[i] = 0;
+          }
+        }
+        tmp = n * 8;
+        tmp = tmp.toString(16).match(/(.*?)(.{0,8})$/);
+        lo = parseInt(tmp[2], 16);
+        hi = parseInt(tmp[1], 16) || 0;
+        tail[14] = lo;
+        tail[15] = hi;
+        md5cycle(state, tail);
+        return state;
+      }
+      function rhex(n) {
+        var s = "", j;
+        for (j = 0; j < 4; j += 1) {
+          s += hex_chr[n >> j * 8 + 4 & 15] + hex_chr[n >> j * 8 & 15];
+        }
+        return s;
+      }
+      function hex(x) {
+        var i;
+        for (i = 0; i < x.length; i += 1) {
+          x[i] = rhex(x[i]);
+        }
+        return x.join("");
+      }
+      if (hex(md51("hello")) !== "5d41402abc4b2a76b9719d911017c592") ;
+      if (typeof ArrayBuffer !== "undefined" && !ArrayBuffer.prototype.slice) {
+        (function() {
+          function clamp(val, length) {
+            val = val | 0 || 0;
+            if (val < 0) {
+              return Math.max(val + length, 0);
+            }
+            return Math.min(val, length);
+          }
+          ArrayBuffer.prototype.slice = function(from, to) {
+            var length = this.byteLength, begin = clamp(from, length), end = length, num, target, targetArray, sourceArray;
+            if (to !== undefined$1) {
+              end = clamp(to, length);
+            }
+            if (begin > end) {
+              return new ArrayBuffer(0);
+            }
+            num = end - begin;
+            target = new ArrayBuffer(num);
+            targetArray = new Uint8Array(target);
+            sourceArray = new Uint8Array(this, begin, num);
+            targetArray.set(sourceArray);
+            return target;
+          };
+        })();
+      }
+      function toUtf8(str) {
+        if (/[\u0080-\uFFFF]/.test(str)) {
+          str = unescape(encodeURIComponent(str));
+        }
+        return str;
+      }
+      function utf8Str2ArrayBuffer(str, returnUInt8Array) {
+        var length = str.length, buff = new ArrayBuffer(length), arr = new Uint8Array(buff), i;
+        for (i = 0; i < length; i += 1) {
+          arr[i] = str.charCodeAt(i);
+        }
+        return returnUInt8Array ? arr : buff;
+      }
+      function arrayBuffer2Utf8Str(buff) {
+        return String.fromCharCode.apply(null, new Uint8Array(buff));
+      }
+      function concatenateArrayBuffers(first, second, returnUInt8Array) {
+        var result = new Uint8Array(first.byteLength + second.byteLength);
+        result.set(new Uint8Array(first));
+        result.set(new Uint8Array(second), first.byteLength);
+        return returnUInt8Array ? result : result.buffer;
+      }
+      function hexToBinaryString(hex) {
+        var bytes = [], length = hex.length, x;
+        for (x = 0; x < length - 1; x += 2) {
+          bytes.push(parseInt(hex.substr(x, 2), 16));
+        }
+        return String.fromCharCode.apply(String, bytes);
+      }
+      function SparkMD5() {
+        this.reset();
+      }
+      SparkMD5.prototype.append = function(str) {
+        this.appendBinary(toUtf8(str));
+        return this;
+      };
+      SparkMD5.prototype.appendBinary = function(contents) {
+        this._buff += contents;
+        this._length += contents.length;
+        var length = this._buff.length, i;
+        for (i = 64; i <= length; i += 64) {
+          md5cycle(this._hash, md5blk(this._buff.substring(i - 64, i)));
+        }
+        this._buff = this._buff.substring(i - 64);
+        return this;
+      };
+      SparkMD5.prototype.end = function(raw) {
+        var buff = this._buff, length = buff.length, i, tail = [ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ], ret;
+        for (i = 0; i < length; i += 1) {
+          tail[i >> 2] |= buff.charCodeAt(i) << (i % 4 << 3);
+        }
+        this._finish(tail, length);
+        ret = hex(this._hash);
+        if (raw) {
+          ret = hexToBinaryString(ret);
+        }
+        this.reset();
+        return ret;
+      };
+      SparkMD5.prototype.reset = function() {
+        this._buff = "";
+        this._length = 0;
+        this._hash = [ 1732584193, -271733879, -1732584194, 271733878 ];
+        return this;
+      };
+      SparkMD5.prototype.getState = function() {
+        return {
+          buff: this._buff,
+          length: this._length,
+          hash: this._hash.slice()
+        };
+      };
+      SparkMD5.prototype.setState = function(state) {
+        this._buff = state.buff;
+        this._length = state.length;
+        this._hash = state.hash;
+        return this;
+      };
+      SparkMD5.prototype.destroy = function() {
+        delete this._hash;
+        delete this._buff;
+        delete this._length;
+      };
+      SparkMD5.prototype._finish = function(tail, length) {
+        var i = length, tmp, lo, hi;
+        tail[i >> 2] |= 128 << (i % 4 << 3);
+        if (i > 55) {
+          md5cycle(this._hash, tail);
+          for (i = 0; i < 16; i += 1) {
+            tail[i] = 0;
+          }
+        }
+        tmp = this._length * 8;
+        tmp = tmp.toString(16).match(/(.*?)(.{0,8})$/);
+        lo = parseInt(tmp[2], 16);
+        hi = parseInt(tmp[1], 16) || 0;
+        tail[14] = lo;
+        tail[15] = hi;
+        md5cycle(this._hash, tail);
+      };
+      SparkMD5.hash = function(str, raw) {
+        return SparkMD5.hashBinary(toUtf8(str), raw);
+      };
+      SparkMD5.hashBinary = function(content, raw) {
+        var hash = md51(content), ret = hex(hash);
+        return raw ? hexToBinaryString(ret) : ret;
+      };
+      SparkMD5.ArrayBuffer = function() {
+        this.reset();
+      };
+      SparkMD5.ArrayBuffer.prototype.append = function(arr) {
+        var buff = concatenateArrayBuffers(this._buff.buffer, arr, true), length = buff.length, i;
+        this._length += arr.byteLength;
+        for (i = 64; i <= length; i += 64) {
+          md5cycle(this._hash, md5blk_array(buff.subarray(i - 64, i)));
+        }
+        this._buff = i - 64 < length ? new Uint8Array(buff.buffer.slice(i - 64)) : new Uint8Array(0);
+        return this;
+      };
+      SparkMD5.ArrayBuffer.prototype.end = function(raw) {
+        var buff = this._buff, length = buff.length, tail = [ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ], i, ret;
+        for (i = 0; i < length; i += 1) {
+          tail[i >> 2] |= buff[i] << (i % 4 << 3);
+        }
+        this._finish(tail, length);
+        ret = hex(this._hash);
+        if (raw) {
+          ret = hexToBinaryString(ret);
+        }
+        this.reset();
+        return ret;
+      };
+      SparkMD5.ArrayBuffer.prototype.reset = function() {
+        this._buff = new Uint8Array(0);
+        this._length = 0;
+        this._hash = [ 1732584193, -271733879, -1732584194, 271733878 ];
+        return this;
+      };
+      SparkMD5.ArrayBuffer.prototype.getState = function() {
+        var state = SparkMD5.prototype.getState.call(this);
+        state.buff = arrayBuffer2Utf8Str(state.buff);
+        return state;
+      };
+      SparkMD5.ArrayBuffer.prototype.setState = function(state) {
+        state.buff = utf8Str2ArrayBuffer(state.buff, true);
+        return SparkMD5.prototype.setState.call(this, state);
+      };
+      SparkMD5.ArrayBuffer.prototype.destroy = SparkMD5.prototype.destroy;
+      SparkMD5.ArrayBuffer.prototype._finish = SparkMD5.prototype._finish;
+      SparkMD5.ArrayBuffer.hash = function(arr, raw) {
+        var hash = md51_array(new Uint8Array(arr)), ret = hex(hash);
+        return raw ? hexToBinaryString(ret) : ret;
+      };
+      return SparkMD5;
+    }));
+  })(sparkMd5);
+  var SparkMD5 = sparkMd5.exports;
+  const fileSlice = File.prototype.slice || File.prototype.mozSlice || File.prototype.webkitSlice;
+  class FileChecksum {
+    static create(file, callback) {
+      const instance = new FileChecksum(file);
+      instance.create(callback);
+    }
+    constructor(file) {
+      this.file = file;
+      this.chunkSize = 2097152;
+      this.chunkCount = Math.ceil(this.file.size / this.chunkSize);
+      this.chunkIndex = 0;
+    }
+    create(callback) {
+      this.callback = callback;
+      this.md5Buffer = new SparkMD5.ArrayBuffer;
+      this.fileReader = new FileReader;
+      this.fileReader.addEventListener("load", (event => this.fileReaderDidLoad(event)));
+      this.fileReader.addEventListener("error", (event => this.fileReaderDidError(event)));
+      this.readNextChunk();
+    }
+    fileReaderDidLoad(event) {
+      this.md5Buffer.append(event.target.result);
+      if (!this.readNextChunk()) {
+        const binaryDigest = this.md5Buffer.end(true);
+        const base64digest = btoa(binaryDigest);
+        this.callback(null, base64digest);
+      }
+    }
+    fileReaderDidError(event) {
+      this.callback(`Error reading ${this.file.name}`);
+    }
+    readNextChunk() {
+      if (this.chunkIndex < this.chunkCount || this.chunkIndex == 0 && this.chunkCount == 0) {
+        const start = this.chunkIndex * this.chunkSize;
+        const end = Math.min(start + this.chunkSize, this.file.size);
+        const bytes = fileSlice.call(this.file, start, end);
+        this.fileReader.readAsArrayBuffer(bytes);
+        this.chunkIndex++;
+        return true;
+      } else {
+        return false;
+      }
+    }
+  }
+  function getMetaValue(name) {
+    const element = findElement(document.head, `meta[name="${name}"]`);
+    if (element) {
+      return element.getAttribute("content");
+    }
+  }
+  function findElements(root, selector) {
+    if (typeof root == "string") {
+      selector = root;
+      root = document;
+    }
+    const elements = root.querySelectorAll(selector);
+    return toArray(elements);
+  }
+  function findElement(root, selector) {
+    if (typeof root == "string") {
+      selector = root;
+      root = document;
+    }
+    return root.querySelector(selector);
+  }
+  function dispatchEvent(element, type, eventInit = {}) {
+    const {disabled: disabled} = element;
+    const {bubbles: bubbles, cancelable: cancelable, detail: detail} = eventInit;
+    const event = document.createEvent("Event");
+    event.initEvent(type, bubbles || true, cancelable || true);
+    event.detail = detail || {};
+    try {
+      element.disabled = false;
+      element.dispatchEvent(event);
+    } finally {
+      element.disabled = disabled;
+    }
+    return event;
+  }
+  function toArray(value) {
+    if (Array.isArray(value)) {
+      return value;
+    } else if (Array.from) {
+      return Array.from(value);
+    } else {
+      return [].slice.call(value);
+    }
+  }
+  class BlobRecord {
+    constructor(file, checksum, url, customHeaders = {}) {
+      this.file = file;
+      this.attributes = {
+        filename: file.name,
+        content_type: file.type || "application/octet-stream",
+        byte_size: file.size,
+        checksum: checksum
+      };
+      this.xhr = new XMLHttpRequest;
+      this.xhr.open("POST", url, true);
+      this.xhr.responseType = "json";
+      this.xhr.setRequestHeader("Content-Type", "application/json");
+      this.xhr.setRequestHeader("Accept", "application/json");
+      this.xhr.setRequestHeader("X-Requested-With", "XMLHttpRequest");
+      Object.keys(customHeaders).forEach((headerKey => {
+        this.xhr.setRequestHeader(headerKey, customHeaders[headerKey]);
+      }));
+      const csrfToken = getMetaValue("csrf-token");
+      if (csrfToken != undefined) {
+        this.xhr.setRequestHeader("X-CSRF-Token", csrfToken);
+      }
+      this.xhr.addEventListener("load", (event => this.requestDidLoad(event)));
+      this.xhr.addEventListener("error", (event => this.requestDidError(event)));
+    }
+    get status() {
+      return this.xhr.status;
+    }
+    get response() {
+      const {responseType: responseType, response: response} = this.xhr;
+      if (responseType == "json") {
+        return response;
+      } else {
+        return JSON.parse(response);
+      }
+    }
+    create(callback) {
+      this.callback = callback;
+      this.xhr.send(JSON.stringify({
+        blob: this.attributes
+      }));
+    }
+    requestDidLoad(event) {
+      if (this.status >= 200 && this.status < 300) {
+        const {response: response} = this;
+        const {direct_upload: direct_upload} = response;
+        delete response.direct_upload;
+        this.attributes = response;
+        this.directUploadData = direct_upload;
+        this.callback(null, this.toJSON());
+      } else {
+        this.requestDidError(event);
+      }
+    }
+    requestDidError(event) {
+      this.callback(`Error creating Blob for "${this.file.name}". Status: ${this.status}`);
+    }
+    toJSON() {
+      const result = {};
+      for (const key in this.attributes) {
+        result[key] = this.attributes[key];
+      }
+      return result;
+    }
+  }
+  class BlobUpload {
+    constructor(blob) {
+      this.blob = blob;
+      this.file = blob.file;
+      const {url: url, headers: headers} = blob.directUploadData;
+      this.xhr = new XMLHttpRequest;
+      this.xhr.open("PUT", url, true);
+      this.xhr.responseType = "text";
+      for (const key in headers) {
+        this.xhr.setRequestHeader(key, headers[key]);
+      }
+      this.xhr.addEventListener("load", (event => this.requestDidLoad(event)));
+      this.xhr.addEventListener("error", (event => this.requestDidError(event)));
+    }
+    create(callback) {
+      this.callback = callback;
+      this.xhr.send(this.file.slice());
+    }
+    requestDidLoad(event) {
+      const {status: status, response: response} = this.xhr;
+      if (status >= 200 && status < 300) {
+        this.callback(null, response);
+      } else {
+        this.requestDidError(event);
+      }
+    }
+    requestDidError(event) {
+      this.callback(`Error storing "${this.file.name}". Status: ${this.xhr.status}`);
+    }
+  }
+  let id = 0;
+  class DirectUpload {
+    constructor(file, url, delegate, customHeaders = {}) {
+      this.id = ++id;
+      this.file = file;
+      this.url = url;
+      this.delegate = delegate;
+      this.customHeaders = customHeaders;
+    }
+    create(callback) {
+      FileChecksum.create(this.file, ((error, checksum) => {
+        if (error) {
+          callback(error);
+          return;
+        }
+        const blob = new BlobRecord(this.file, checksum, this.url, this.customHeaders);
+        notify(this.delegate, "directUploadWillCreateBlobWithXHR", blob.xhr);
+        blob.create((error => {
+          if (error) {
+            callback(error);
+          } else {
+            const upload = new BlobUpload(blob);
+            notify(this.delegate, "directUploadWillStoreFileWithXHR", upload.xhr);
+            upload.create((error => {
+              if (error) {
+                callback(error);
+              } else {
+                callback(null, blob.toJSON());
+              }
+            }));
+          }
+        }));
+      }));
+    }
+  }
+  function notify(object, methodName, ...messages) {
+    if (object && typeof object[methodName] == "function") {
+      return object[methodName](...messages);
+    }
+  }
+  class DirectUploadController {
+    constructor(input, file) {
+      this.input = input;
+      this.file = file;
+      this.directUpload = new DirectUpload(this.file, this.url, this);
+      this.dispatch("initialize");
+    }
+    start(callback) {
+      const hiddenInput = document.createElement("input");
+      hiddenInput.type = "hidden";
+      hiddenInput.name = this.input.name;
+      this.input.insertAdjacentElement("beforebegin", hiddenInput);
+      this.dispatch("start");
+      this.directUpload.create(((error, attributes) => {
+        if (error) {
+          hiddenInput.parentNode.removeChild(hiddenInput);
+          this.dispatchError(error);
+        } else {
+          hiddenInput.value = attributes.signed_id;
+        }
+        this.dispatch("end");
+        callback(error);
+      }));
+    }
+    uploadRequestDidProgress(event) {
+      const progress = event.loaded / event.total * 100;
+      if (progress) {
+        this.dispatch("progress", {
+          progress: progress
+        });
+      }
+    }
+    get url() {
+      return this.input.getAttribute("data-direct-upload-url");
+    }
+    dispatch(name, detail = {}) {
+      detail.file = this.file;
+      detail.id = this.directUpload.id;
+      return dispatchEvent(this.input, `direct-upload:${name}`, {
+        detail: detail
+      });
+    }
+    dispatchError(error) {
+      const event = this.dispatch("error", {
+        error: error
+      });
+      if (!event.defaultPrevented) {
+        alert(error);
+      }
+    }
+    directUploadWillCreateBlobWithXHR(xhr) {
+      this.dispatch("before-blob-request", {
+        xhr: xhr
+      });
+    }
+    directUploadWillStoreFileWithXHR(xhr) {
+      this.dispatch("before-storage-request", {
+        xhr: xhr
+      });
+      xhr.upload.addEventListener("progress", (event => this.uploadRequestDidProgress(event)));
+    }
+  }
+  const inputSelector = "input[type=file][data-direct-upload-url]:not([disabled])";
+  class DirectUploadsController {
+    constructor(form) {
+      this.form = form;
+      this.inputs = findElements(form, inputSelector).filter((input => input.files.length));
+    }
+    start(callback) {
+      const controllers = this.createDirectUploadControllers();
+      const startNextController = () => {
+        const controller = controllers.shift();
+        if (controller) {
+          controller.start((error => {
+            if (error) {
+              callback(error);
+              this.dispatch("end");
+            } else {
+              startNextController();
+            }
+          }));
+        } else {
+          callback();
+          this.dispatch("end");
+        }
+      };
+      this.dispatch("start");
+      startNextController();
+    }
+    createDirectUploadControllers() {
+      const controllers = [];
+      this.inputs.forEach((input => {
+        toArray(input.files).forEach((file => {
+          const controller = new DirectUploadController(input, file);
+          controllers.push(controller);
+        }));
+      }));
+      return controllers;
+    }
+    dispatch(name, detail = {}) {
+      return dispatchEvent(this.form, `direct-uploads:${name}`, {
+        detail: detail
+      });
+    }
+  }
+  const processingAttribute = "data-direct-uploads-processing";
+  const submitButtonsByForm = new WeakMap;
+  let started = false;
+  function start() {
+    if (!started) {
+      started = true;
+      document.addEventListener("click", didClick, true);
+      document.addEventListener("submit", didSubmitForm, true);
+      document.addEventListener("ajax:before", didSubmitRemoteElement);
+    }
+  }
+  function didClick(event) {
+    const button = event.target.closest("button, input");
+    if (button && button.type === "submit" && button.form) {
+      submitButtonsByForm.set(button.form, button);
+    }
+  }
+  function didSubmitForm(event) {
+    handleFormSubmissionEvent(event);
+  }
+  function didSubmitRemoteElement(event) {
+    if (event.target.tagName == "FORM") {
+      handleFormSubmissionEvent(event);
+    }
+  }
+  function handleFormSubmissionEvent(event) {
+    const form = event.target;
+    if (form.hasAttribute(processingAttribute)) {
+      event.preventDefault();
+      return;
+    }
+    const controller = new DirectUploadsController(form);
+    const {inputs: inputs} = controller;
+    if (inputs.length) {
+      event.preventDefault();
+      form.setAttribute(processingAttribute, "");
+      inputs.forEach(disable);
+      controller.start((error => {
+        form.removeAttribute(processingAttribute);
+        if (error) {
+          inputs.forEach(enable);
+        } else {
+          submitForm(form);
+        }
+      }));
+    }
+  }
+  function submitForm(form) {
+    let button = submitButtonsByForm.get(form) || findElement(form, "input[type=submit], button[type=submit]");
+    if (button) {
+      const {disabled: disabled} = button;
+      button.disabled = false;
+      button.focus();
+      button.click();
+      button.disabled = disabled;
+    } else {
+      button = document.createElement("input");
+      button.type = "submit";
+      button.style.display = "none";
+      form.appendChild(button);
+      button.click();
+      form.removeChild(button);
+    }
+    submitButtonsByForm.delete(form);
+  }
+  function disable(input) {
+    input.disabled = true;
+  }
+  function enable(input) {
+    input.disabled = false;
+  }
+  function autostart() {
+    if (window.ActiveStorage) {
+      start();
+    }
+  }
+  setTimeout(autostart, 1);
+  exports.DirectUpload = DirectUpload;
+  exports.DirectUploadController = DirectUploadController;
+  exports.DirectUploadsController = DirectUploadsController;
+  exports.dispatchEvent = dispatchEvent;
+  exports.start = start;
+  Object.defineProperty(exports, "__esModule", {
+    value: true
+  });
+}));

backend/public/assets/activestorage.esm-8bb028228e622c50501b3eb269cbe4044a46da07b565a90e5ae6f221dc06e485.js

@@ -0,0 +1,848 @@
+var sparkMd5 = {
+  exports: {}
+};
+
+(function(module, exports) {
+  (function(factory) {
+    {
+      module.exports = factory();
+    }
+  })((function(undefined$1) {
+    var hex_chr = [ "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "a", "b", "c", "d", "e", "f" ];
+    function md5cycle(x, k) {
+      var a = x[0], b = x[1], c = x[2], d = x[3];
+      a += (b & c | ~b & d) + k[0] - 680876936 | 0;
+      a = (a << 7 | a >>> 25) + b | 0;
+      d += (a & b | ~a & c) + k[1] - 389564586 | 0;
+      d = (d << 12 | d >>> 20) + a | 0;
+      c += (d & a | ~d & b) + k[2] + 606105819 | 0;
+      c = (c << 17 | c >>> 15) + d | 0;
+      b += (c & d | ~c & a) + k[3] - 1044525330 | 0;
+      b = (b << 22 | b >>> 10) + c | 0;
+      a += (b & c | ~b & d) + k[4] - 176418897 | 0;
+      a = (a << 7 | a >>> 25) + b | 0;
+      d += (a & b | ~a & c) + k[5] + 1200080426 | 0;
+      d = (d << 12 | d >>> 20) + a | 0;
+      c += (d & a | ~d & b) + k[6] - 1473231341 | 0;
+      c = (c << 17 | c >>> 15) + d | 0;
+      b += (c & d | ~c & a) + k[7] - 45705983 | 0;
+      b = (b << 22 | b >>> 10) + c | 0;
+      a += (b & c | ~b & d) + k[8] + 1770035416 | 0;
+      a = (a << 7 | a >>> 25) + b | 0;
+      d += (a & b | ~a & c) + k[9] - 1958414417 | 0;
+      d = (d << 12 | d >>> 20) + a | 0;
+      c += (d & a | ~d & b) + k[10] - 42063 | 0;
+      c = (c << 17 | c >>> 15) + d | 0;
+      b += (c & d | ~c & a) + k[11] - 1990404162 | 0;
+      b = (b << 22 | b >>> 10) + c | 0;
+      a += (b & c | ~b & d) + k[12] + 1804603682 | 0;
+      a = (a << 7 | a >>> 25) + b | 0;
+      d += (a & b | ~a & c) + k[13] - 40341101 | 0;
+      d = (d << 12 | d >>> 20) + a | 0;
+      c += (d & a | ~d & b) + k[14] - 1502002290 | 0;
+      c = (c << 17 | c >>> 15) + d | 0;
+      b += (c & d | ~c & a) + k[15] + 1236535329 | 0;
+      b = (b << 22 | b >>> 10) + c | 0;
+      a += (b & d | c & ~d) + k[1] - 165796510 | 0;
+      a = (a << 5 | a >>> 27) + b | 0;
+      d += (a & c | b & ~c) + k[6] - 1069501632 | 0;
+      d = (d << 9 | d >>> 23) + a | 0;
+      c += (d & b | a & ~b) + k[11] + 643717713 | 0;
+      c = (c << 14 | c >>> 18) + d | 0;
+      b += (c & a | d & ~a) + k[0] - 373897302 | 0;
+      b = (b << 20 | b >>> 12) + c | 0;
+      a += (b & d | c & ~d) + k[5] - 701558691 | 0;
+      a = (a << 5 | a >>> 27) + b | 0;
+      d += (a & c | b & ~c) + k[10] + 38016083 | 0;
+      d = (d << 9 | d >>> 23) + a | 0;
+      c += (d & b | a & ~b) + k[15] - 660478335 | 0;
+      c = (c << 14 | c >>> 18) + d | 0;
+      b += (c & a | d & ~a) + k[4] - 405537848 | 0;
+      b = (b << 20 | b >>> 12) + c | 0;
+      a += (b & d | c & ~d) + k[9] + 568446438 | 0;
+      a = (a << 5 | a >>> 27) + b | 0;
+      d += (a & c | b & ~c) + k[14] - 1019803690 | 0;
+      d = (d << 9 | d >>> 23) + a | 0;
+      c += (d & b | a & ~b) + k[3] - 187363961 | 0;
+      c = (c << 14 | c >>> 18) + d | 0;
+      b += (c & a | d & ~a) + k[8] + 1163531501 | 0;
+      b = (b << 20 | b >>> 12) + c | 0;
+      a += (b & d | c & ~d) + k[13] - 1444681467 | 0;
+      a = (a << 5 | a >>> 27) + b | 0;
+      d += (a & c | b & ~c) + k[2] - 51403784 | 0;
+      d = (d << 9 | d >>> 23) + a | 0;
+      c += (d & b | a & ~b) + k[7] + 1735328473 | 0;
+      c = (c << 14 | c >>> 18) + d | 0;
+      b += (c & a | d & ~a) + k[12] - 1926607734 | 0;
+      b = (b << 20 | b >>> 12) + c | 0;
+      a += (b ^ c ^ d) + k[5] - 378558 | 0;
+      a = (a << 4 | a >>> 28) + b | 0;
+      d += (a ^ b ^ c) + k[8] - 2022574463 | 0;
+      d = (d << 11 | d >>> 21) + a | 0;
+      c += (d ^ a ^ b) + k[11] + 1839030562 | 0;
+      c = (c << 16 | c >>> 16) + d | 0;
+      b += (c ^ d ^ a) + k[14] - 35309556 | 0;
+      b = (b << 23 | b >>> 9) + c | 0;
+      a += (b ^ c ^ d) + k[1] - 1530992060 | 0;
+      a = (a << 4 | a >>> 28) + b | 0;
+      d += (a ^ b ^ c) + k[4] + 1272893353 | 0;
+      d = (d << 11 | d >>> 21) + a | 0;
+      c += (d ^ a ^ b) + k[7] - 155497632 | 0;
+      c = (c << 16 | c >>> 16) + d | 0;
+      b += (c ^ d ^ a) + k[10] - 1094730640 | 0;
+      b = (b << 23 | b >>> 9) + c | 0;
+      a += (b ^ c ^ d) + k[13] + 681279174 | 0;
+      a = (a << 4 | a >>> 28) + b | 0;
+      d += (a ^ b ^ c) + k[0] - 358537222 | 0;
+      d = (d << 11 | d >>> 21) + a | 0;
+      c += (d ^ a ^ b) + k[3] - 722521979 | 0;
+      c = (c << 16 | c >>> 16) + d | 0;
+      b += (c ^ d ^ a) + k[6] + 76029189 | 0;
+      b = (b << 23 | b >>> 9) + c | 0;
+      a += (b ^ c ^ d) + k[9] - 640364487 | 0;
+      a = (a << 4 | a >>> 28) + b | 0;
+      d += (a ^ b ^ c) + k[12] - 421815835 | 0;
+      d = (d << 11 | d >>> 21) + a | 0;
+      c += (d ^ a ^ b) + k[15] + 530742520 | 0;
+      c = (c << 16 | c >>> 16) + d | 0;
+      b += (c ^ d ^ a) + k[2] - 995338651 | 0;
+      b = (b << 23 | b >>> 9) + c | 0;
+      a += (c ^ (b | ~d)) + k[0] - 198630844 | 0;
+      a = (a << 6 | a >>> 26) + b | 0;
+      d += (b ^ (a | ~c)) + k[7] + 1126891415 | 0;
+      d = (d << 10 | d >>> 22) + a | 0;
+      c += (a ^ (d | ~b)) + k[14] - 1416354905 | 0;
+      c = (c << 15 | c >>> 17) + d | 0;
+      b += (d ^ (c | ~a)) + k[5] - 57434055 | 0;
+      b = (b << 21 | b >>> 11) + c | 0;
+      a += (c ^ (b | ~d)) + k[12] + 1700485571 | 0;
+      a = (a << 6 | a >>> 26) + b | 0;
+      d += (b ^ (a | ~c)) + k[3] - 1894986606 | 0;
+      d = (d << 10 | d >>> 22) + a | 0;
+      c += (a ^ (d | ~b)) + k[10] - 1051523 | 0;
+      c = (c << 15 | c >>> 17) + d | 0;
+      b += (d ^ (c | ~a)) + k[1] - 2054922799 | 0;
+      b = (b << 21 | b >>> 11) + c | 0;
+      a += (c ^ (b | ~d)) + k[8] + 1873313359 | 0;
+      a = (a << 6 | a >>> 26) + b | 0;
+      d += (b ^ (a | ~c)) + k[15] - 30611744 | 0;
+      d = (d << 10 | d >>> 22) + a | 0;
+      c += (a ^ (d | ~b)) + k[6] - 1560198380 | 0;
+      c = (c << 15 | c >>> 17) + d | 0;
+      b += (d ^ (c | ~a)) + k[13] + 1309151649 | 0;
+      b = (b << 21 | b >>> 11) + c | 0;
+      a += (c ^ (b | ~d)) + k[4] - 145523070 | 0;
+      a = (a << 6 | a >>> 26) + b | 0;
+      d += (b ^ (a | ~c)) + k[11] - 1120210379 | 0;
+      d = (d << 10 | d >>> 22) + a | 0;
+      c += (a ^ (d | ~b)) + k[2] + 718787259 | 0;
+      c = (c << 15 | c >>> 17) + d | 0;
+      b += (d ^ (c | ~a)) + k[9] - 343485551 | 0;
+      b = (b << 21 | b >>> 11) + c | 0;
+      x[0] = a + x[0] | 0;
+      x[1] = b + x[1] | 0;
+      x[2] = c + x[2] | 0;
+      x[3] = d + x[3] | 0;
+    }
+    function md5blk(s) {
+      var md5blks = [], i;
+      for (i = 0; i < 64; i += 4) {
+        md5blks[i >> 2] = s.charCodeAt(i) + (s.charCodeAt(i + 1) << 8) + (s.charCodeAt(i + 2) << 16) + (s.charCodeAt(i + 3) << 24);
+      }
+      return md5blks;
+    }
+    function md5blk_array(a) {
+      var md5blks = [], i;
+      for (i = 0; i < 64; i += 4) {
+        md5blks[i >> 2] = a[i] + (a[i + 1] << 8) + (a[i + 2] << 16) + (a[i + 3] << 24);
+      }
+      return md5blks;
+    }
+    function md51(s) {
+      var n = s.length, state = [ 1732584193, -271733879, -1732584194, 271733878 ], i, length, tail, tmp, lo, hi;
+      for (i = 64; i <= n; i += 64) {
+        md5cycle(state, md5blk(s.substring(i - 64, i)));
+      }
+      s = s.substring(i - 64);
+      length = s.length;
+      tail = [ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ];
+      for (i = 0; i < length; i += 1) {
+        tail[i >> 2] |= s.charCodeAt(i) << (i % 4 << 3);
+      }
+      tail[i >> 2] |= 128 << (i % 4 << 3);
+      if (i > 55) {
+        md5cycle(state, tail);
+        for (i = 0; i < 16; i += 1) {
+          tail[i] = 0;
+        }
+      }
+      tmp = n * 8;
+      tmp = tmp.toString(16).match(/(.*?)(.{0,8})$/);
+      lo = parseInt(tmp[2], 16);
+      hi = parseInt(tmp[1], 16) || 0;
+      tail[14] = lo;
+      tail[15] = hi;
+      md5cycle(state, tail);
+      return state;
+    }
+    function md51_array(a) {
+      var n = a.length, state = [ 1732584193, -271733879, -1732584194, 271733878 ], i, length, tail, tmp, lo, hi;
+      for (i = 64; i <= n; i += 64) {
+        md5cycle(state, md5blk_array(a.subarray(i - 64, i)));
+      }
+      a = i - 64 < n ? a.subarray(i - 64) : new Uint8Array(0);
+      length = a.length;
+      tail = [ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ];
+      for (i = 0; i < length; i += 1) {
+        tail[i >> 2] |= a[i] << (i % 4 << 3);
+      }
+      tail[i >> 2] |= 128 << (i % 4 << 3);
+      if (i > 55) {
+        md5cycle(state, tail);
+        for (i = 0; i < 16; i += 1) {
+          tail[i] = 0;
+        }
+      }
+      tmp = n * 8;
+      tmp = tmp.toString(16).match(/(.*?)(.{0,8})$/);
+      lo = parseInt(tmp[2], 16);
+      hi = parseInt(tmp[1], 16) || 0;
+      tail[14] = lo;
+      tail[15] = hi;
+      md5cycle(state, tail);
+      return state;
+    }
+    function rhex(n) {
+      var s = "", j;
+      for (j = 0; j < 4; j += 1) {
+        s += hex_chr[n >> j * 8 + 4 & 15] + hex_chr[n >> j * 8 & 15];
+      }
+      return s;
+    }
+    function hex(x) {
+      var i;
+      for (i = 0; i < x.length; i += 1) {
+        x[i] = rhex(x[i]);
+      }
+      return x.join("");
+    }
+    if (hex(md51("hello")) !== "5d41402abc4b2a76b9719d911017c592") ;
+    if (typeof ArrayBuffer !== "undefined" && !ArrayBuffer.prototype.slice) {
+      (function() {
+        function clamp(val, length) {
+          val = val | 0 || 0;
+          if (val < 0) {
+            return Math.max(val + length, 0);
+          }
+          return Math.min(val, length);
+        }
+        ArrayBuffer.prototype.slice = function(from, to) {
+          var length = this.byteLength, begin = clamp(from, length), end = length, num, target, targetArray, sourceArray;
+          if (to !== undefined$1) {
+            end = clamp(to, length);
+          }
+          if (begin > end) {
+            return new ArrayBuffer(0);
+          }
+          num = end - begin;
+          target = new ArrayBuffer(num);
+          targetArray = new Uint8Array(target);
+          sourceArray = new Uint8Array(this, begin, num);
+          targetArray.set(sourceArray);
+          return target;
+        };
+      })();
+    }
+    function toUtf8(str) {
+      if (/[\u0080-\uFFFF]/.test(str)) {
+        str = unescape(encodeURIComponent(str));
+      }
+      return str;
+    }
+    function utf8Str2ArrayBuffer(str, returnUInt8Array) {
+      var length = str.length, buff = new ArrayBuffer(length), arr = new Uint8Array(buff), i;
+      for (i = 0; i < length; i += 1) {
+        arr[i] = str.charCodeAt(i);
+      }
+      return returnUInt8Array ? arr : buff;
+    }
+    function arrayBuffer2Utf8Str(buff) {
+      return String.fromCharCode.apply(null, new Uint8Array(buff));
+    }
+    function concatenateArrayBuffers(first, second, returnUInt8Array) {
+      var result = new Uint8Array(first.byteLength + second.byteLength);
+      result.set(new Uint8Array(first));
+      result.set(new Uint8Array(second), first.byteLength);
+      return returnUInt8Array ? result : result.buffer;
+    }
+    function hexToBinaryString(hex) {
+      var bytes = [], length = hex.length, x;
+      for (x = 0; x < length - 1; x += 2) {
+        bytes.push(parseInt(hex.substr(x, 2), 16));
+      }
+      return String.fromCharCode.apply(String, bytes);
+    }
+    function SparkMD5() {
+      this.reset();
+    }
+    SparkMD5.prototype.append = function(str) {
+      this.appendBinary(toUtf8(str));
+      return this;
+    };
+    SparkMD5.prototype.appendBinary = function(contents) {
+      this._buff += contents;
+      this._length += contents.length;
+      var length = this._buff.length, i;
+      for (i = 64; i <= length; i += 64) {
+        md5cycle(this._hash, md5blk(this._buff.substring(i - 64, i)));
+      }
+      this._buff = this._buff.substring(i - 64);
+      return this;
+    };
+    SparkMD5.prototype.end = function(raw) {
+      var buff = this._buff, length = buff.length, i, tail = [ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ], ret;
+      for (i = 0; i < length; i += 1) {
+        tail[i >> 2] |= buff.charCodeAt(i) << (i % 4 << 3);
+      }
+      this._finish(tail, length);
+      ret = hex(this._hash);
+      if (raw) {
+        ret = hexToBinaryString(ret);
+      }
+      this.reset();
+      return ret;
+    };
+    SparkMD5.prototype.reset = function() {
+      this._buff = "";
+      this._length = 0;
+      this._hash = [ 1732584193, -271733879, -1732584194, 271733878 ];
+      return this;
+    };
+    SparkMD5.prototype.getState = function() {
+      return {
+        buff: this._buff,
+        length: this._length,
+        hash: this._hash.slice()
+      };
+    };
+    SparkMD5.prototype.setState = function(state) {
+      this._buff = state.buff;
+      this._length = state.length;
+      this._hash = state.hash;
+      return this;
+    };
+    SparkMD5.prototype.destroy = function() {
+      delete this._hash;
+      delete this._buff;
+      delete this._length;
+    };
+    SparkMD5.prototype._finish = function(tail, length) {
+      var i = length, tmp, lo, hi;
+      tail[i >> 2] |= 128 << (i % 4 << 3);
+      if (i > 55) {
+        md5cycle(this._hash, tail);
+        for (i = 0; i < 16; i += 1) {
+          tail[i] = 0;
+        }
+      }
+      tmp = this._length * 8;
+      tmp = tmp.toString(16).match(/(.*?)(.{0,8})$/);
+      lo = parseInt(tmp[2], 16);
+      hi = parseInt(tmp[1], 16) || 0;
+      tail[14] = lo;
+      tail[15] = hi;
+      md5cycle(this._hash, tail);
+    };
+    SparkMD5.hash = function(str, raw) {
+      return SparkMD5.hashBinary(toUtf8(str), raw);
+    };
+    SparkMD5.hashBinary = function(content, raw) {
+      var hash = md51(content), ret = hex(hash);
+      return raw ? hexToBinaryString(ret) : ret;
+    };
+    SparkMD5.ArrayBuffer = function() {
+      this.reset();
+    };
+    SparkMD5.ArrayBuffer.prototype.append = function(arr) {
+      var buff = concatenateArrayBuffers(this._buff.buffer, arr, true), length = buff.length, i;
+      this._length += arr.byteLength;
+      for (i = 64; i <= length; i += 64) {
+        md5cycle(this._hash, md5blk_array(buff.subarray(i - 64, i)));
+      }
+      this._buff = i - 64 < length ? new Uint8Array(buff.buffer.slice(i - 64)) : new Uint8Array(0);
+      return this;
+    };
+    SparkMD5.ArrayBuffer.prototype.end = function(raw) {
+      var buff = this._buff, length = buff.length, tail = [ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ], i, ret;
+      for (i = 0; i < length; i += 1) {
+        tail[i >> 2] |= buff[i] << (i % 4 << 3);
+      }
+      this._finish(tail, length);
+      ret = hex(this._hash);
+      if (raw) {
+        ret = hexToBinaryString(ret);
+      }
+      this.reset();
+      return ret;
+    };
+    SparkMD5.ArrayBuffer.prototype.reset = function() {
+      this._buff = new Uint8Array(0);
+      this._length = 0;
+      this._hash = [ 1732584193, -271733879, -1732584194, 271733878 ];
+      return this;
+    };
+    SparkMD5.ArrayBuffer.prototype.getState = function() {
+      var state = SparkMD5.prototype.getState.call(this);
+      state.buff = arrayBuffer2Utf8Str(state.buff);
+      return state;
+    };
+    SparkMD5.ArrayBuffer.prototype.setState = function(state) {
+      state.buff = utf8Str2ArrayBuffer(state.buff, true);
+      return SparkMD5.prototype.setState.call(this, state);
+    };
+    SparkMD5.ArrayBuffer.prototype.destroy = SparkMD5.prototype.destroy;
+    SparkMD5.ArrayBuffer.prototype._finish = SparkMD5.prototype._finish;
+    SparkMD5.ArrayBuffer.hash = function(arr, raw) {
+      var hash = md51_array(new Uint8Array(arr)), ret = hex(hash);
+      return raw ? hexToBinaryString(ret) : ret;
+    };
+    return SparkMD5;
+  }));
+})(sparkMd5);
+
+var SparkMD5 = sparkMd5.exports;
+
+const fileSlice = File.prototype.slice || File.prototype.mozSlice || File.prototype.webkitSlice;
+
+class FileChecksum {
+  static create(file, callback) {
+    const instance = new FileChecksum(file);
+    instance.create(callback);
+  }
+  constructor(file) {
+    this.file = file;
+    this.chunkSize = 2097152;
+    this.chunkCount = Math.ceil(this.file.size / this.chunkSize);
+    this.chunkIndex = 0;
+  }
+  create(callback) {
+    this.callback = callback;
+    this.md5Buffer = new SparkMD5.ArrayBuffer;
+    this.fileReader = new FileReader;
+    this.fileReader.addEventListener("load", (event => this.fileReaderDidLoad(event)));
+    this.fileReader.addEventListener("error", (event => this.fileReaderDidError(event)));
+    this.readNextChunk();
+  }
+  fileReaderDidLoad(event) {
+    this.md5Buffer.append(event.target.result);
+    if (!this.readNextChunk()) {
+      const binaryDigest = this.md5Buffer.end(true);
+      const base64digest = btoa(binaryDigest);
+      this.callback(null, base64digest);
+    }
+  }
+  fileReaderDidError(event) {
+    this.callback(`Error reading ${this.file.name}`);
+  }
+  readNextChunk() {
+    if (this.chunkIndex < this.chunkCount || this.chunkIndex == 0 && this.chunkCount == 0) {
+      const start = this.chunkIndex * this.chunkSize;
+      const end = Math.min(start + this.chunkSize, this.file.size);
+      const bytes = fileSlice.call(this.file, start, end);
+      this.fileReader.readAsArrayBuffer(bytes);
+      this.chunkIndex++;
+      return true;
+    } else {
+      return false;
+    }
+  }
+}
+
+function getMetaValue(name) {
+  const element = findElement(document.head, `meta[name="${name}"]`);
+  if (element) {
+    return element.getAttribute("content");
+  }
+}
+
+function findElements(root, selector) {
+  if (typeof root == "string") {
+    selector = root;
+    root = document;
+  }
+  const elements = root.querySelectorAll(selector);
+  return toArray(elements);
+}
+
+function findElement(root, selector) {
+  if (typeof root == "string") {
+    selector = root;
+    root = document;
+  }
+  return root.querySelector(selector);
+}
+
+function dispatchEvent(element, type, eventInit = {}) {
+  const {disabled: disabled} = element;
+  const {bubbles: bubbles, cancelable: cancelable, detail: detail} = eventInit;
+  const event = document.createEvent("Event");
+  event.initEvent(type, bubbles || true, cancelable || true);
+  event.detail = detail || {};
+  try {
+    element.disabled = false;
+    element.dispatchEvent(event);
+  } finally {
+    element.disabled = disabled;
+  }
+  return event;
+}
+
+function toArray(value) {
+  if (Array.isArray(value)) {
+    return value;
+  } else if (Array.from) {
+    return Array.from(value);
+  } else {
+    return [].slice.call(value);
+  }
+}
+
+class BlobRecord {
+  constructor(file, checksum, url, customHeaders = {}) {
+    this.file = file;
+    this.attributes = {
+      filename: file.name,
+      content_type: file.type || "application/octet-stream",
+      byte_size: file.size,
+      checksum: checksum
+    };
+    this.xhr = new XMLHttpRequest;
+    this.xhr.open("POST", url, true);
+    this.xhr.responseType = "json";
+    this.xhr.setRequestHeader("Content-Type", "application/json");
+    this.xhr.setRequestHeader("Accept", "application/json");
+    this.xhr.setRequestHeader("X-Requested-With", "XMLHttpRequest");
+    Object.keys(customHeaders).forEach((headerKey => {
+      this.xhr.setRequestHeader(headerKey, customHeaders[headerKey]);
+    }));
+    const csrfToken = getMetaValue("csrf-token");
+    if (csrfToken != undefined) {
+      this.xhr.setRequestHeader("X-CSRF-Token", csrfToken);
+    }
+    this.xhr.addEventListener("load", (event => this.requestDidLoad(event)));
+    this.xhr.addEventListener("error", (event => this.requestDidError(event)));
+  }
+  get status() {
+    return this.xhr.status;
+  }
+  get response() {
+    const {responseType: responseType, response: response} = this.xhr;
+    if (responseType == "json") {
+      return response;
+    } else {
+      return JSON.parse(response);
+    }
+  }
+  create(callback) {
+    this.callback = callback;
+    this.xhr.send(JSON.stringify({
+      blob: this.attributes
+    }));
+  }
+  requestDidLoad(event) {
+    if (this.status >= 200 && this.status < 300) {
+      const {response: response} = this;
+      const {direct_upload: direct_upload} = response;
+      delete response.direct_upload;
+      this.attributes = response;
+      this.directUploadData = direct_upload;
+      this.callback(null, this.toJSON());
+    } else {
+      this.requestDidError(event);
+    }
+  }
+  requestDidError(event) {
+    this.callback(`Error creating Blob for "${this.file.name}". Status: ${this.status}`);
+  }
+  toJSON() {
+    const result = {};
+    for (const key in this.attributes) {
+      result[key] = this.attributes[key];
+    }
+    return result;
+  }
+}
+
+class BlobUpload {
+  constructor(blob) {
+    this.blob = blob;
+    this.file = blob.file;
+    const {url: url, headers: headers} = blob.directUploadData;
+    this.xhr = new XMLHttpRequest;
+    this.xhr.open("PUT", url, true);
+    this.xhr.responseType = "text";
+    for (const key in headers) {
+      this.xhr.setRequestHeader(key, headers[key]);
+    }
+    this.xhr.addEventListener("load", (event => this.requestDidLoad(event)));
+    this.xhr.addEventListener("error", (event => this.requestDidError(event)));
+  }
+  create(callback) {
+    this.callback = callback;
+    this.xhr.send(this.file.slice());
+  }
+  requestDidLoad(event) {
+    const {status: status, response: response} = this.xhr;
+    if (status >= 200 && status < 300) {
+      this.callback(null, response);
+    } else {
+      this.requestDidError(event);
+    }
+  }
+  requestDidError(event) {
+    this.callback(`Error storing "${this.file.name}". Status: ${this.xhr.status}`);
+  }
+}
+
+let id = 0;
+
+class DirectUpload {
+  constructor(file, url, delegate, customHeaders = {}) {
+    this.id = ++id;
+    this.file = file;
+    this.url = url;
+    this.delegate = delegate;
+    this.customHeaders = customHeaders;
+  }
+  create(callback) {
+    FileChecksum.create(this.file, ((error, checksum) => {
+      if (error) {
+        callback(error);
+        return;
+      }
+      const blob = new BlobRecord(this.file, checksum, this.url, this.customHeaders);
+      notify(this.delegate, "directUploadWillCreateBlobWithXHR", blob.xhr);
+      blob.create((error => {
+        if (error) {
+          callback(error);
+        } else {
+          const upload = new BlobUpload(blob);
+          notify(this.delegate, "directUploadWillStoreFileWithXHR", upload.xhr);
+          upload.create((error => {
+            if (error) {
+              callback(error);
+            } else {
+              callback(null, blob.toJSON());
+            }
+          }));
+        }
+      }));
+    }));
+  }
+}
+
+function notify(object, methodName, ...messages) {
+  if (object && typeof object[methodName] == "function") {
+    return object[methodName](...messages);
+  }
+}
+
+class DirectUploadController {
+  constructor(input, file) {
+    this.input = input;
+    this.file = file;
+    this.directUpload = new DirectUpload(this.file, this.url, this);
+    this.dispatch("initialize");
+  }
+  start(callback) {
+    const hiddenInput = document.createElement("input");
+    hiddenInput.type = "hidden";
+    hiddenInput.name = this.input.name;
+    this.input.insertAdjacentElement("beforebegin", hiddenInput);
+    this.dispatch("start");
+    this.directUpload.create(((error, attributes) => {
+      if (error) {
+        hiddenInput.parentNode.removeChild(hiddenInput);
+        this.dispatchError(error);
+      } else {
+        hiddenInput.value = attributes.signed_id;
+      }
+      this.dispatch("end");
+      callback(error);
+    }));
+  }
+  uploadRequestDidProgress(event) {
+    const progress = event.loaded / event.total * 100;
+    if (progress) {
+      this.dispatch("progress", {
+        progress: progress
+      });
+    }
+  }
+  get url() {
+    return this.input.getAttribute("data-direct-upload-url");
+  }
+  dispatch(name, detail = {}) {
+    detail.file = this.file;
+    detail.id = this.directUpload.id;
+    return dispatchEvent(this.input, `direct-upload:${name}`, {
+      detail: detail
+    });
+  }
+  dispatchError(error) {
+    const event = this.dispatch("error", {
+      error: error
+    });
+    if (!event.defaultPrevented) {
+      alert(error);
+    }
+  }
+  directUploadWillCreateBlobWithXHR(xhr) {
+    this.dispatch("before-blob-request", {
+      xhr: xhr
+    });
+  }
+  directUploadWillStoreFileWithXHR(xhr) {
+    this.dispatch("before-storage-request", {
+      xhr: xhr
+    });
+    xhr.upload.addEventListener("progress", (event => this.uploadRequestDidProgress(event)));
+  }
+}
+
+const inputSelector = "input[type=file][data-direct-upload-url]:not([disabled])";
+
+class DirectUploadsController {
+  constructor(form) {
+    this.form = form;
+    this.inputs = findElements(form, inputSelector).filter((input => input.files.length));
+  }
+  start(callback) {
+    const controllers = this.createDirectUploadControllers();
+    const startNextController = () => {
+      const controller = controllers.shift();
+      if (controller) {
+        controller.start((error => {
+          if (error) {
+            callback(error);
+            this.dispatch("end");
+          } else {
+            startNextController();
+          }
+        }));
+      } else {
+        callback();
+        this.dispatch("end");
+      }
+    };
+    this.dispatch("start");
+    startNextController();
+  }
+  createDirectUploadControllers() {
+    const controllers = [];
+    this.inputs.forEach((input => {
+      toArray(input.files).forEach((file => {
+        const controller = new DirectUploadController(input, file);
+        controllers.push(controller);
+      }));
+    }));
+    return controllers;
+  }
+  dispatch(name, detail = {}) {
+    return dispatchEvent(this.form, `direct-uploads:${name}`, {
+      detail: detail
+    });
+  }
+}
+
+const processingAttribute = "data-direct-uploads-processing";
+
+const submitButtonsByForm = new WeakMap;
+
+let started = false;
+
+function start() {
+  if (!started) {
+    started = true;
+    document.addEventListener("click", didClick, true);
+    document.addEventListener("submit", didSubmitForm, true);
+    document.addEventListener("ajax:before", didSubmitRemoteElement);
+  }
+}
+
+function didClick(event) {
+  const button = event.target.closest("button, input");
+  if (button && button.type === "submit" && button.form) {
+    submitButtonsByForm.set(button.form, button);
+  }
+}
+
+function didSubmitForm(event) {
+  handleFormSubmissionEvent(event);
+}
+
+function didSubmitRemoteElement(event) {
+  if (event.target.tagName == "FORM") {
+    handleFormSubmissionEvent(event);
+  }
+}
+
+function handleFormSubmissionEvent(event) {
+  const form = event.target;
+  if (form.hasAttribute(processingAttribute)) {
+    event.preventDefault();
+    return;
+  }
+  const controller = new DirectUploadsController(form);
+  const {inputs: inputs} = controller;
+  if (inputs.length) {
+    event.preventDefault();
+    form.setAttribute(processingAttribute, "");
+    inputs.forEach(disable);
+    controller.start((error => {
+      form.removeAttribute(processingAttribute);
+      if (error) {
+        inputs.forEach(enable);
+      } else {
+        submitForm(form);
+      }
+    }));
+  }
+}
+
+function submitForm(form) {
+  let button = submitButtonsByForm.get(form) || findElement(form, "input[type=submit], button[type=submit]");
+  if (button) {
+    const {disabled: disabled} = button;
+    button.disabled = false;
+    button.focus();
+    button.click();
+    button.disabled = disabled;
+  } else {
+    button = document.createElement("input");
+    button.type = "submit";
+    button.style.display = "none";
+    form.appendChild(button);
+    button.click();
+    form.removeChild(button);
+  }
+  submitButtonsByForm.delete(form);
+}
+
+function disable(input) {
+  input.disabled = true;
+}
+
+function enable(input) {
+  input.disabled = false;
+}
+
+function autostart() {
+  if (window.ActiveStorage) {
+    start();
+  }
+}
+
+setTimeout(autostart, 1);
+
+export { DirectUpload, DirectUploadController, DirectUploadsController, dispatchEvent, start };

backend/public/assets/manifest-6a3cf5192354f71615ac51034b3e97c20eda99643fcaf5bbe6d41ad59bd12167.js

@@ -0,0 +1,3 @@
+
+
+

backend/public/assets/trix-4c7f56767699ae6c08f21004c9dc23a1b76b0734b0fca61d4534900ee0fef211.css

@@ -0,0 +1,412 @@
+trix-editor {
+  border: 1px solid #bbb;
+  border-radius: 3px;
+  margin: 0;
+  padding: 0.4em 0.6em;
+  min-height: 5em;
+  outline: none; }
+
+trix-toolbar * {
+  box-sizing: border-box; }
+
+trix-toolbar .trix-button-row {
+  display: flex;
+  flex-wrap: nowrap;
+  justify-content: space-between;
+  overflow-x: auto; }
+
+trix-toolbar .trix-button-group {
+  display: flex;
+  margin-bottom: 10px;
+  border: 1px solid #bbb;
+  border-top-color: #ccc;
+  border-bottom-color: #888;
+  border-radius: 3px; }
+  trix-toolbar .trix-button-group:not(:first-child) {
+    margin-left: 1.5vw; }
+    @media (max-width: 768px) {
+      trix-toolbar .trix-button-group:not(:first-child) {
+        margin-left: 0; } }
+
+trix-toolbar .trix-button-group-spacer {
+  flex-grow: 1; }
+  @media (max-width: 768px) {
+    trix-toolbar .trix-button-group-spacer {
+      display: none; } }
+
+trix-toolbar .trix-button {
+  position: relative;
+  float: left;
+  color: rgba(0, 0, 0, 0.6);
+  font-size: 0.75em;
+  font-weight: 600;
+  white-space: nowrap;
+  padding: 0 0.5em;
+  margin: 0;
+  outline: none;
+  border: none;
+  border-bottom: 1px solid #ddd;
+  border-radius: 0;
+  background: transparent; }
+  trix-toolbar .trix-button:not(:first-child) {
+    border-left: 1px solid #ccc; }
+  trix-toolbar .trix-button.trix-active {
+    background: #cbeefa;
+    color: black; }
+  trix-toolbar .trix-button:not(:disabled) {
+    cursor: pointer; }
+  trix-toolbar .trix-button:disabled {
+    color: rgba(0, 0, 0, 0.125); }
+  @media (max-width: 768px) {
+    trix-toolbar .trix-button {
+      letter-spacing: -0.01em;
+      padding: 0 0.3em; } }
+
+trix-toolbar .trix-button--icon {
+  font-size: inherit;
+  width: 2.6em;
+  height: 1.6em;
+  max-width: calc(0.8em + 4vw);
+  text-indent: -9999px; }
+  @media (max-width: 768px) {
+    trix-toolbar .trix-button--icon {
+      height: 2em;
+      max-width: calc(0.8em + 3.5vw); } }
+  trix-toolbar .trix-button--icon::before {
+    display: inline-block;
+    position: absolute;
+    top: 0;
+    right: 0;
+    bottom: 0;
+    left: 0;
+    opacity: 0.6;
+    content: "";
+    background-position: center;
+    background-repeat: no-repeat;
+    background-size: contain; }
+    @media (max-width: 768px) {
+      trix-toolbar .trix-button--icon::before {
+        right: 6%;
+        left: 6%; } }
+  trix-toolbar .trix-button--icon.trix-active::before {
+    opacity: 1; }
+  trix-toolbar .trix-button--icon:disabled::before {
+    opacity: 0.125; }
+
+trix-toolbar .trix-button--icon-attach::before {
+  background-image: url("data:image/svg+xml,%3Csvg%20width%3D%2224%22%20height%3D%2224%22%20fill%3D%22none%22%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%3E%3Cpath%20d%3D%22M10.5%2018V7.5c0-2.25%203-2.25%203%200V18c0%204.125-6%204.125-6%200V7.5c0-6.375%209-6.375%209%200V18%22%20stroke%3D%22%23000%22%20stroke-width%3D%222%22%20stroke-miterlimit%3D%2210%22%20stroke-linecap%3D%22round%22%20stroke-linejoin%3D%22round%22%2F%3E%3C%2Fsvg%3E");
+  top: 8%;
+  bottom: 4%; }
+
+trix-toolbar .trix-button--icon-bold::before {
+  background-image: url("data:image/svg+xml,%3Csvg%20width%3D%2224%22%20height%3D%2224%22%20fill%3D%22none%22%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%3E%3Cpath%20fill-rule%3D%22evenodd%22%20clip-rule%3D%22evenodd%22%20d%3D%22M6.522%2019.242a.5.5%200%200%201-.5-.5V5.35a.5.5%200%200%201%20.5-.5h5.783c1.347%200%202.46.345%203.24.982.783.64%201.216%201.562%201.216%202.683%200%201.13-.587%202.129-1.476%202.71a.35.35%200%200%200%20.049.613c1.259.56%202.101%201.742%202.101%203.22%200%201.282-.483%202.334-1.363%203.063-.876.726-2.132%201.12-3.66%201.12h-5.89ZM9.27%207.347v3.362h1.97c.766%200%201.347-.17%201.733-.464.38-.291.587-.716.587-1.27%200-.53-.183-.928-.513-1.198-.334-.273-.838-.43-1.505-.43H9.27Zm0%205.606v3.791h2.389c.832%200%201.448-.177%201.853-.497.399-.315.614-.786.614-1.423%200-.62-.22-1.077-.63-1.385-.418-.313-1.053-.486-1.905-.486H9.27Z%22%20fill%3D%22%23000%22%2F%3E%3C%2Fsvg%3E"); }
+
+trix-toolbar .trix-button--icon-italic::before {
+  background-image: url("data:image/svg+xml,%3Csvg%20width%3D%2224%22%20height%3D%2224%22%20fill%3D%22none%22%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%3E%3Cpath%20fill-rule%3D%22evenodd%22%20clip-rule%3D%22evenodd%22%20d%3D%22M9%205h6.5v2h-2.23l-2.31%2010H13v2H6v-2h2.461l2.306-10H9V5Z%22%20fill%3D%22%23000%22%2F%3E%3C%2Fsvg%3E"); }
+
+trix-toolbar .trix-button--icon-link::before {
+  background-image: url("data:image/svg+xml,%3Csvg%20width%3D%2224%22%20height%3D%2224%22%20fill%3D%22none%22%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%3E%3Cpath%20fill-rule%3D%22evenodd%22%20clip-rule%3D%22evenodd%22%20d%3D%22M18.948%205.258a4.337%204.337%200%200%200-6.108%200L11.217%206.87a.993.993%200%200%200%200%201.41c.392.39%201.027.39%201.418%200l1.623-1.613a2.323%202.323%200%200%201%203.271%200%202.29%202.29%200%200%201%200%203.251l-2.393%202.38a3.021%203.021%200%200%201-4.255%200l-.05-.049a1.007%201.007%200%200%200-1.418%200%20.993.993%200%200%200%200%201.41l.05.049a5.036%205.036%200%200%200%207.091%200l2.394-2.38a4.275%204.275%200%200%200%200-6.072Zm-13.683%2013.6a4.337%204.337%200%200%200%206.108%200l1.262-1.255a.993.993%200%200%200%200-1.41%201.007%201.007%200%200%200-1.418%200L9.954%2017.45a2.323%202.323%200%200%201-3.27%200%202.29%202.29%200%200%201%200-3.251l2.344-2.331a2.579%202.579%200%200%201%203.631%200c.392.39%201.027.39%201.419%200a.993.993%200%200%200%200-1.41%204.593%204.593%200%200%200-6.468%200l-2.345%202.33a4.275%204.275%200%200%200%200%206.072Z%22%20fill%3D%22%23000%22%2F%3E%3C%2Fsvg%3E"); }
+
+trix-toolbar .trix-button--icon-strike::before {
+  background-image: url("data:image/svg+xml,%3Csvg%20width%3D%2224%22%20height%3D%2224%22%20fill%3D%22none%22%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%3E%3Cpath%20fill-rule%3D%22evenodd%22%20clip-rule%3D%22evenodd%22%20d%3D%22M6%2014.986c.088%202.647%202.246%204.258%205.635%204.258%203.496%200%205.713-1.728%205.713-4.463%200-.275-.02-.536-.062-.781h-3.461c.398.293.573.654.573%201.123%200%201.035-1.074%201.787-2.646%201.787-1.563%200-2.773-.762-2.91-1.924H6ZM6.432%2010h3.763c-.632-.314-.914-.715-.914-1.273%200-1.045.977-1.739%202.432-1.739%201.475%200%202.52.723%202.617%201.914h2.764c-.05-2.548-2.11-4.238-5.39-4.238-3.145%200-5.392%201.719-5.392%204.316%200%20.363.04.703.12%201.02ZM4%2011a1%201%200%201%200%200%202h15a1%201%200%201%200%200-2H4Z%22%20fill%3D%22%23000%22%2F%3E%3C%2Fsvg%3E"); }
+
+trix-toolbar .trix-button--icon-quote::before {
+  background-image: url("data:image/svg+xml,%3Csvg%20width%3D%2224%22%20height%3D%2224%22%20fill%3D%22none%22%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%3E%3Cpath%20d%3D%22M4.581%208.471c.44-.5%201.056-.834%201.758-.995C8.074%207.17%209.201%207.822%2010%208.752c1.354%201.578%201.33%203.555.394%205.277-.941%201.731-2.788%203.163-4.988%203.56a.622.622%200%200%201-.653-.317c-.113-.205-.121-.49.16-.764.294-.286.567-.566.791-.835.222-.266.413-.54.524-.815.113-.28.156-.597.026-.908-.128-.303-.39-.524-.72-.69a3.02%203.02%200%200%201-1.674-2.7c0-.905.283-1.59.72-2.088Zm9.419%200c.44-.5%201.055-.834%201.758-.995%201.734-.306%202.862.346%203.66%201.276%201.355%201.578%201.33%203.555.395%205.277-.941%201.731-2.789%203.163-4.988%203.56a.622.622%200%200%201-.653-.317c-.113-.205-.122-.49.16-.764.294-.286.567-.566.791-.835.222-.266.412-.54.523-.815.114-.28.157-.597.026-.908-.127-.303-.39-.524-.72-.69a3.02%203.02%200%200%201-1.672-2.701c0-.905.283-1.59.72-2.088Z%22%20fill%3D%22%23000%22%2F%3E%3C%2Fsvg%3E"); }
+
+trix-toolbar .trix-button--icon-heading-1::before {
+  background-image: url("data:image/svg+xml,%3Csvg%20width%3D%2224%22%20height%3D%2224%22%20fill%3D%22none%22%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%3E%3Cpath%20fill-rule%3D%22evenodd%22%20clip-rule%3D%22evenodd%22%20d%3D%22M21.5%207.5v-3h-12v3H14v13h3v-13h4.5ZM9%2013.5h3.5v-3h-10v3H6v7h3v-7Z%22%20fill%3D%22%23000%22%2F%3E%3C%2Fsvg%3E"); }
+
+trix-toolbar .trix-button--icon-code::before {
+  background-image: url("data:image/svg+xml,%3Csvg%20width%3D%2224%22%20height%3D%2224%22%20fill%3D%22none%22%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%3E%3Cpath%20fill-rule%3D%22evenodd%22%20clip-rule%3D%22evenodd%22%20d%3D%22M3.293%2011.293a1%201%200%200%200%200%201.414l4%204a1%201%200%201%200%201.414-1.414L5.414%2012l3.293-3.293a1%201%200%200%200-1.414-1.414l-4%204Zm13.414%205.414%204-4a1%201%200%200%200%200-1.414l-4-4a1%201%200%201%200-1.414%201.414L18.586%2012l-3.293%203.293a1%201%200%200%200%201.414%201.414Z%22%20fill%3D%22%23000%22%2F%3E%3C%2Fsvg%3E"); }
+
+trix-toolbar .trix-button--icon-bullet-list::before {
+  background-image: url("data:image/svg+xml,%3Csvg%20width%3D%2224%22%20height%3D%2224%22%20fill%3D%22none%22%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%3E%3Cpath%20fill-rule%3D%22evenodd%22%20clip-rule%3D%22evenodd%22%20d%3D%22M5%207.5a1.5%201.5%200%201%200%200-3%201.5%201.5%200%200%200%200%203ZM8%206a1%201%200%200%201%201-1h11a1%201%200%201%201%200%202H9a1%201%200%200%201-1-1Zm1%205a1%201%200%201%200%200%202h11a1%201%200%201%200%200-2H9Zm0%206a1%201%200%201%200%200%202h11a1%201%200%201%200%200-2H9Zm-2.5-5a1.5%201.5%200%201%201-3%200%201.5%201.5%200%200%201%203%200ZM5%2019.5a1.5%201.5%200%201%200%200-3%201.5%201.5%200%200%200%200%203Z%22%20fill%3D%22%23000%22%2F%3E%3C%2Fsvg%3E"); }
+
+trix-toolbar .trix-button--icon-number-list::before {
+  background-image: url("data:image/svg+xml,%3Csvg%20width%3D%2224%22%20height%3D%2224%22%20fill%3D%22none%22%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%3E%3Cpath%20fill-rule%3D%22evenodd%22%20clip-rule%3D%22evenodd%22%20d%3D%22M3%204h2v4H4V5H3V4Zm5%202a1%201%200%200%201%201-1h11a1%201%200%201%201%200%202H9a1%201%200%200%201-1-1Zm1%205a1%201%200%201%200%200%202h11a1%201%200%201%200%200-2H9Zm0%206a1%201%200%201%200%200%202h11a1%201%200%201%200%200-2H9Zm-3.5-7H6v1l-1.5%202H6v1H3v-1l1.667-2H3v-1h2.5ZM3%2017v-1h3v4H3v-1h2v-.5H4v-1h1V17H3Z%22%20fill%3D%22%23000%22%2F%3E%3C%2Fsvg%3E"); }
+
+trix-toolbar .trix-button--icon-undo::before {
+  background-image: url("data:image/svg+xml,%3Csvg%20width%3D%2224%22%20height%3D%2224%22%20fill%3D%22none%22%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%3E%3Cpath%20fill-rule%3D%22evenodd%22%20clip-rule%3D%22evenodd%22%20d%3D%22M3%2014a1%201%200%200%200%201%201h6a1%201%200%201%200%200-2H6.257c2.247-2.764%205.151-3.668%207.579-3.264%202.589.432%204.739%202.356%205.174%205.405a1%201%200%200%200%201.98-.283c-.564-3.95-3.415-6.526-6.825-7.095C11.084%207.25%207.63%208.377%205%2011.39V8a1%201%200%200%200-2%200v6Zm2-1Z%22%20fill%3D%22%23000%22%2F%3E%3C%2Fsvg%3E"); }
+
+trix-toolbar .trix-button--icon-redo::before {
+  background-image: url("data:image/svg+xml,%3Csvg%20width%3D%2224%22%20height%3D%2224%22%20fill%3D%22none%22%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%3E%3Cpath%20fill-rule%3D%22evenodd%22%20clip-rule%3D%22evenodd%22%20d%3D%22M21%2014a1%201%200%200%201-1%201h-6a1%201%200%201%201%200-2h3.743c-2.247-2.764-5.151-3.668-7.579-3.264-2.589.432-4.739%202.356-5.174%205.405a1%201%200%200%201-1.98-.283c.564-3.95%203.415-6.526%206.826-7.095%203.08-.513%206.534.614%209.164%203.626V8a1%201%200%201%201%202%200v6Zm-2-1Z%22%20fill%3D%22%23000%22%2F%3E%3C%2Fsvg%3E"); }
+
+trix-toolbar .trix-button--icon-decrease-nesting-level::before {
+  background-image: url("data:image/svg+xml,%3Csvg%20width%3D%2224%22%20height%3D%2224%22%20fill%3D%22none%22%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%3E%3Cpath%20fill-rule%3D%22evenodd%22%20clip-rule%3D%22evenodd%22%20d%3D%22M5%206a1%201%200%200%201%201-1h12a1%201%200%201%201%200%202H6a1%201%200%200%201-1-1Zm4%205a1%201%200%201%200%200%202h9a1%201%200%201%200%200-2H9Zm-3%206a1%201%200%201%200%200%202h12a1%201%200%201%200%200-2H6Zm-3.707-5.707a1%201%200%200%200%200%201.414l2%202a1%201%200%201%200%201.414-1.414L4.414%2012l1.293-1.293a1%201%200%200%200-1.414-1.414l-2%202Z%22%20fill%3D%22%23000%22%2F%3E%3C%2Fsvg%3E"); }
+
+trix-toolbar .trix-button--icon-increase-nesting-level::before {
+  background-image: url("data:image/svg+xml,%3Csvg%20width%3D%2224%22%20height%3D%2224%22%20fill%3D%22none%22%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%3E%3Cpath%20fill-rule%3D%22evenodd%22%20clip-rule%3D%22evenodd%22%20d%3D%22M5%206a1%201%200%200%201%201-1h12a1%201%200%201%201%200%202H6a1%201%200%200%201-1-1Zm4%205a1%201%200%201%200%200%202h9a1%201%200%201%200%200-2H9Zm-3%206a1%201%200%201%200%200%202h12a1%201%200%201%200%200-2H6Zm-2.293-2.293%202-2a1%201%200%200%200%200-1.414l-2-2a1%201%200%201%200-1.414%201.414L3.586%2012l-1.293%201.293a1%201%200%201%200%201.414%201.414Z%22%20fill%3D%22%23000%22%2F%3E%3C%2Fsvg%3E"); }
+
+trix-toolbar .trix-dialogs {
+  position: relative; }
+
+trix-toolbar .trix-dialog {
+  position: absolute;
+  top: 0;
+  left: 0;
+  right: 0;
+  font-size: 0.75em;
+  padding: 15px 10px;
+  background: #fff;
+  box-shadow: 0 0.3em 1em #ccc;
+  border-top: 2px solid #888;
+  border-radius: 5px;
+  z-index: 5; }
+
+trix-toolbar .trix-input--dialog {
+  font-size: inherit;
+  font-weight: normal;
+  padding: 0.5em 0.8em;
+  margin: 0 10px 0 0;
+  border-radius: 3px;
+  border: 1px solid #bbb;
+  background-color: #fff;
+  box-shadow: none;
+  outline: none;
+  -webkit-appearance: none;
+  -moz-appearance: none; }
+  trix-toolbar .trix-input--dialog.validate:invalid {
+    box-shadow: #F00 0px 0px 1.5px 1px; }
+
+trix-toolbar .trix-button--dialog {
+  font-size: inherit;
+  padding: 0.5em;
+  border-bottom: none; }
+
+trix-toolbar .trix-dialog--link {
+  max-width: 600px; }
+
+trix-toolbar .trix-dialog__link-fields {
+  display: flex;
+  align-items: baseline; }
+  trix-toolbar .trix-dialog__link-fields .trix-input {
+    flex: 1; }
+  trix-toolbar .trix-dialog__link-fields .trix-button-group {
+    flex: 0 0 content;
+    margin: 0; }
+
+trix-editor [data-trix-mutable]:not(.attachment__caption-editor) {
+  -webkit-user-select: none;
+  -moz-user-select: none;
+  -ms-user-select: none;
+  user-select: none; }
+
+trix-editor [data-trix-mutable]::-moz-selection,
+trix-editor [data-trix-cursor-target]::-moz-selection, trix-editor [data-trix-mutable] ::-moz-selection {
+  background: none; }
+
+trix-editor [data-trix-mutable]::selection,
+trix-editor [data-trix-cursor-target]::selection, trix-editor [data-trix-mutable] ::selection {
+  background: none; }
+
+trix-editor .attachment__caption-editor:focus[data-trix-mutable]::-moz-selection {
+  background: highlight; }
+
+trix-editor .attachment__caption-editor:focus[data-trix-mutable]::selection {
+  background: highlight; }
+
+trix-editor [data-trix-mutable].attachment.attachment--file {
+  box-shadow: 0 0 0 2px highlight;
+  border-color: transparent; }
+
+trix-editor [data-trix-mutable].attachment img {
+  box-shadow: 0 0 0 2px highlight; }
+
+trix-editor .attachment {
+  position: relative; }
+  trix-editor .attachment:hover {
+    cursor: default; }
+
+trix-editor .attachment--preview .attachment__caption:hover {
+  cursor: text; }
+
+trix-editor .attachment__progress {
+  position: absolute;
+  z-index: 1;
+  height: 20px;
+  top: calc(50% - 10px);
+  left: 5%;
+  width: 90%;
+  opacity: 0.9;
+  transition: opacity 200ms ease-in; }
+  trix-editor .attachment__progress[value="100"] {
+    opacity: 0; }
+
+trix-editor .attachment__caption-editor {
+  display: inline-block;
+  width: 100%;
+  margin: 0;
+  padding: 0;
+  font-size: inherit;
+  font-family: inherit;
+  line-height: inherit;
+  color: inherit;
+  text-align: center;
+  vertical-align: top;
+  border: none;
+  outline: none;
+  -webkit-appearance: none;
+  -moz-appearance: none; }
+
+trix-editor .attachment__toolbar {
+  position: absolute;
+  z-index: 1;
+  top: -0.9em;
+  left: 0;
+  width: 100%;
+  text-align: center; }
+
+trix-editor .trix-button-group {
+  display: inline-flex; }
+
+trix-editor .trix-button {
+  position: relative;
+  float: left;
+  color: #666;
+  white-space: nowrap;
+  font-size: 80%;
+  padding: 0 0.8em;
+  margin: 0;
+  outline: none;
+  border: none;
+  border-radius: 0;
+  background: transparent; }
+  trix-editor .trix-button:not(:first-child) {
+    border-left: 1px solid #ccc; }
+  trix-editor .trix-button.trix-active {
+    background: #cbeefa; }
+  trix-editor .trix-button:not(:disabled) {
+    cursor: pointer; }
+
+trix-editor .trix-button--remove {
+  text-indent: -9999px;
+  display: inline-block;
+  padding: 0;
+  outline: none;
+  width: 1.8em;
+  height: 1.8em;
+  line-height: 1.8em;
+  border-radius: 50%;
+  background-color: #fff;
+  border: 2px solid highlight;
+  box-shadow: 1px 1px 6px rgba(0, 0, 0, 0.25); }
+  trix-editor .trix-button--remove::before {
+    display: inline-block;
+    position: absolute;
+    top: 0;
+    right: 0;
+    bottom: 0;
+    left: 0;
+    opacity: 0.7;
+    content: "";
+    background-image: url("data:image/svg+xml,%3Csvg%20height%3D%2224%22%20width%3D%2224%22%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%3E%3Cpath%20d%3D%22M19%206.41%2017.59%205%2012%2010.59%206.41%205%205%206.41%2010.59%2012%205%2017.59%206.41%2019%2012%2013.41%2017.59%2019%2019%2017.59%2013.41%2012z%22%2F%3E%3Cpath%20d%3D%22M0%200h24v24H0z%22%20fill%3D%22none%22%2F%3E%3C%2Fsvg%3E");
+    background-position: center;
+    background-repeat: no-repeat;
+    background-size: 90%; }
+  trix-editor .trix-button--remove:hover {
+    border-color: #333; }
+    trix-editor .trix-button--remove:hover::before {
+      opacity: 1; }
+
+trix-editor .attachment__metadata-container {
+  position: relative; }
+
+trix-editor .attachment__metadata {
+  position: absolute;
+  left: 50%;
+  top: 2em;
+  transform: translate(-50%, 0);
+  max-width: 90%;
+  padding: 0.1em 0.6em;
+  font-size: 0.8em;
+  color: #fff;
+  background-color: rgba(0, 0, 0, 0.7);
+  border-radius: 3px; }
+  trix-editor .attachment__metadata .attachment__name {
+    display: inline-block;
+    max-width: 100%;
+    vertical-align: bottom;
+    overflow: hidden;
+    text-overflow: ellipsis;
+    white-space: nowrap; }
+  trix-editor .attachment__metadata .attachment__size {
+    margin-left: 0.2em;
+    white-space: nowrap; }
+
+.trix-content {
+  line-height: 1.5;
+  overflow-wrap: break-word;
+  word-break: break-word; }
+  .trix-content * {
+    box-sizing: border-box;
+    margin: 0;
+    padding: 0; }
+  .trix-content h1 {
+    font-size: 1.2em;
+    line-height: 1.2; }
+  .trix-content blockquote {
+    border: 0 solid #ccc;
+    border-left-width: 0.3em;
+    margin-left: 0.3em;
+    padding-left: 0.6em; }
+  .trix-content [dir=rtl] blockquote,
+  .trix-content blockquote[dir=rtl] {
+    border-width: 0;
+    border-right-width: 0.3em;
+    margin-right: 0.3em;
+    padding-right: 0.6em; }
+  .trix-content li {
+    margin-left: 1em; }
+  .trix-content [dir=rtl] li {
+    margin-right: 1em; }
+  .trix-content pre {
+    display: inline-block;
+    width: 100%;
+    vertical-align: top;
+    font-family: monospace;
+    font-size: 0.9em;
+    padding: 0.5em;
+    white-space: pre;
+    background-color: #eee;
+    overflow-x: auto; }
+  .trix-content img {
+    max-width: 100%;
+    height: auto; }
+  .trix-content .attachment {
+    display: inline-block;
+    position: relative;
+    max-width: 100%; }
+    .trix-content .attachment a {
+      color: inherit;
+      text-decoration: none; }
+      .trix-content .attachment a:hover, .trix-content .attachment a:visited:hover {
+        color: inherit; }
+  .trix-content .attachment__caption {
+    text-align: center; }
+    .trix-content .attachment__caption .attachment__name + .attachment__size::before {
+      content: ' \2022 '; }
+  .trix-content .attachment--preview {
+    width: 100%;
+    text-align: center; }
+    .trix-content .attachment--preview .attachment__caption {
+      color: #666;
+      font-size: 0.9em;
+      line-height: 1.2; }
+  .trix-content .attachment--file {
+    color: #333;
+    line-height: 1;
+    margin: 0 2px 2px 2px;
+    padding: 0.4em 1em;
+    border: 1px solid #bbb;
+    border-radius: 5px; }
+  .trix-content .attachment-gallery {
+    display: flex;
+    flex-wrap: wrap;
+    position: relative; }
+    .trix-content .attachment-gallery .attachment {
+      flex: 1 0 33%;
+      padding: 0 0.5em;
+      max-width: 33%; }
+    .trix-content .attachment-gallery.attachment-gallery--2 .attachment, .trix-content .attachment-gallery.attachment-gallery--4 .attachment {
+      flex-basis: 50%;
+      max-width: 50%; }