Adds the ability to split panes and view multiple logs (#186)

* Fixes css to have full containers * Adds split panes * Fixes background color * Fixes splitter * Fixes tests * Adds more tests * Updates tests * Adds vuex * Moves splitpane to app * Moves the panes to app * Fixes columns with min-width * Update packages * Updates html to have better components * Updates npm packages * Fixes scrollar * Creates a scrollable view * Fixes App specs * Adds vuex for component * Updates to use splitpanes * Styles splitter * Removes fetch-mock
2026-01-03 03:27:29 +01:00 · 2019-11-25 15:26:42 -08:00
parent ffd964fe82
commit 63f132c820
19 changed files with 791 additions and 602 deletions
--- a/assets/App.spec.js
+++ b/assets/App.spec.js
@@ -1,45 +1,50 @@
-import fetchMock from "fetch-mock";
 import EventSource from "eventsourcemock";
-import { shallowMount, RouterLinkStub } from "@vue/test-utils";
+import { shallowMount, RouterLinkStub, createLocalVue } from "@vue/test-utils";
+import Vuex from "vuex";
 import App from "./App";

+const localVue = createLocalVue();
+
+localVue.use(Vuex);
+
 describe("<App />", () => {
  const stubs = { RouterLink: RouterLinkStub, "router-view": true };
+  let store;
+
  beforeEach(() => {
    global.BASE_PATH = "";
    global.EventSource = EventSource;
-    fetchMock.getOnce("/api/containers.json", [{ id: "abc", name: "Test 1" }, { id: "xyz", name: "Test 2" }]);
+    const state = {
+      containers: [
+        { id: "abc", name: "Test 1" },
+        { id: "xyz", name: "Test 2" }
+      ]
+    };
+
+    const actions = {
+      FETCH_CONTAINERS: () => Promise.resolve()
+    };
+
+    store = new Vuex.Store({
+      state,
+      actions
+    });
  });
-  afterEach(() => fetchMock.reset());

  test("is a Vue instance", async () => {
-    const wrapper = shallowMount(App, { stubs });
+    const wrapper = shallowMount(App, { stubs, store, localVue });
    expect(wrapper.isVueInstance()).toBeTruthy();
  });

  test("has right title", async () => {
-    const wrapper = shallowMount(App, { stubs });
-    await fetchMock.flush();
+    const wrapper = shallowMount(App, { stubs, store, localVue });
+    await wrapper.vm.$nextTick();
    expect(wrapper.vm.title).toContain("2 containers");
  });

  test("renders correctly", async () => {
-    const wrapper = shallowMount(App, { stubs });
-    await fetchMock.flush();
+    const wrapper = shallowMount(App, { stubs, store, localVue });
+    await wrapper.vm.$nextTick();
    expect(wrapper.element).toMatchSnapshot();
  });
-
-  test("renders router-link correctly", async () => {
-    const wrapper = shallowMount(App, { stubs });
-    await fetchMock.flush();
-    expect(wrapper.find(RouterLinkStub).props().to).toMatchInlineSnapshot(`
-      Object {
-        "name": "container",
-        "params": Object {
-          "id": "abc",
-          "name": "Test 1",
-        },
-      }
-    `);
-  });
 });
--- a/assets/App.vue
+++ b/assets/App.vue
@@ -1,38 +1,49 @@
 <template lang="html">
  <div class="columns is-marginless">
-    <aside class="column menu is-3-tablet is-2-widescreen">
-      <a
-        role="button"
-        class="navbar-burger burger is-white is-hidden-tablet is-pulled-right"
-        @click="showNav = !showNav"
-        :class="{ 'is-active': showNav }"
-      >
-        <span></span> <span></span> <span></span>
-      </a>
-      <h1 class="title has-text-warning is-marginless">Dozzle</h1>
-      <p class="menu-label is-hidden-mobile" :class="{ 'is-active': showNav }">Containers</p>
-      <ul class="menu-list is-hidden-mobile" :class="{ 'is-active': showNav }">
-        <li v-for="item in containers">
-          <router-link :to="{ name: 'container', params: { id: item.id, name: item.name } }" active-class="is-active">
-            <div class="hide-overflow">{{ item.name }}</div>
-          </router-link>
-        </li>
-      </ul>
-    </aside>
-    <div class="column is-offset-3-tablet is-offset-2-widescreen is-9-tablet is-10-widescreen">
-      <router-view></router-view>
+    <side-menu></side-menu>
+    <div class="column is-offset-3-tablet is-offset-2-widescreen is-9-tablet is-10-widescreen is-paddingless">
+      <splitpanes>
+        <pane>
+          <router-view></router-view>
+        </pane>
+        <pane v-for="other in activeContainers" :key="other.id">
+          <scrollable-view>
+            <template v-slot:header>
+              <div class="name columns is-marginless">
+                <span class="column">{{ other.name }}</span>
+                <span class="column is-narrow">
+                  <button class="delete is-medium" @click="removeActiveContainer(other)"></button>
+                </span>
+              </div>
+            </template>
+            <log-viewer-with-source :id="other.id"></log-viewer-with-source>
+          </scrollable-view>
+        </pane>
+      </splitpanes>
    </div>
  </div>
 </template>

 <script>
-let es;
+import { mapActions, mapGetters, mapState } from "vuex";
+import { Splitpanes, Pane } from "splitpanes";
+
+import LogViewerWithSource from "./components/LogViewerWithSource";
+import ScrollableView from "./components/ScrollableView";
+import SideMenu from "./components/SideMenu";
+
 export default {
  name: "App",
+  components: {
+    LogViewerWithSource,
+    SideMenu,
+    ScrollableView,
+    Splitpanes,
+    Pane
+  },
  data() {
    return {
      title: "",
-      containers: [],
      showNav: false
    };
  },
@@ -44,20 +55,16 @@ export default {
  },
  async created() {
    await this.fetchContainerList();
-    es = new EventSource(`${BASE_PATH}/api/events/stream`);
-    es.addEventListener("containers-changed", e => setTimeout(this.fetchContainerList, 1000), false);
+    this.title = `${this.containers.length} containers`;
  },
-  beforeDestroy() {
-    if (es) {
-      es.close();
-      es = null;
-    }
+  computed: {
+    ...mapState(["containers", "activeContainers"])
  },
  methods: {
-    async fetchContainerList() {
-      this.containers = await (await fetch(`${BASE_PATH}/api/containers.json`)).json();
-      this.title = `${this.containers.length} containers`;
-    }
+    ...mapActions({
+      fetchContainerList: "FETCH_CONTAINERS",
+      removeActiveContainer: "REMOVE_ACTIVE_CONTAINER"
+    })
  },
  watch: {
    $route(to, from) {
@@ -68,48 +75,15 @@ export default {
 </script>

 <style scoped lang="scss">
-.is-hidden-mobile.is-active {
-  display: block !important;
+.name {
+  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
+  background: rgba(0, 0, 0, 0.1);
+  font-weight: bold;
+  font-family: monospace;
 }

-.navbar-burger {
-  height: 2.35rem;
-}
-
-aside {
-  position: fixed;
-  z-index: 2;
-  padding: 1em;
-
-  @media screen and (min-width: 769px) {
-    & {
-      height: 100vh;
-      overflow: auto;
-    }
-  }
-
-  @media screen and (max-width: 768px) {
-    & {
-      position: sticky;
-      top: 0;
-      left: 0;
-      right: 0;
-      background: #222;
-    }
-
-    .menu-label {
-      margin-top: 1em;
-    }
-  }
-}
-
-.hide-overflow {
-  text-overflow: ellipsis;
-  white-space: nowrap;
-  overflow: hidden;
-}
-
-.burger.is-white {
-  color: #fff;
+::v-deep .splitpanes__splitter {
+  min-width: 4px;
+  background: #666;
 }
 </style>
--- a/assets/snapshots/App.spec.js.snap
+++ b/assets/snapshots/App.spec.js.snap
@@ -4,60 +4,23 @@ exports[`<App /> renders correctly 1`] = `
 <div
  class="columns is-marginless"
 >
-  <aside
-    class="column menu is-3-tablet is-2-widescreen"
-  >
-    <a
-      class="navbar-burger burger is-white is-hidden-tablet is-pulled-right"
-      role="button"
-    >
-      <span />
-       
-      <span />
-       
-      <span />
-    </a>
-     
-    <h1
-      class="title has-text-warning is-marginless"
-    >
-      Dozzle
-    </h1>
-     
-    <p
-      class="menu-label is-hidden-mobile"
-    >
-      Containers
-    </p>
-     
-    <ul
-      class="menu-list is-hidden-mobile"
-    >
-      <li>
-        <a>
-          <div
-            class="hide-overflow"
-          >
-            Test 1
-          </div>
-        </a>
-      </li>
-      <li>
-        <a>
-          <div
-            class="hide-overflow"
-          >
-            Test 2
-          </div>
-        </a>
-      </li>
-    </ul>
-  </aside>
+  <side-menu-stub />
   
  <div
-    class="column is-offset-3-tablet is-offset-2-widescreen is-9-tablet is-10-widescreen"
+    class="column is-offset-3-tablet is-offset-2-widescreen is-9-tablet is-10-widescreen is-paddingless"
  >
-    <router-view-stub />
+    <splitpanes-stub
+      dblclicksplitter="true"
+      pushotherpanes="true"
+    >
+      <pane-stub
+        maxsize="100"
+        minsize="0"
+      >
+        <router-view-stub />
+      </pane-stub>
+       
+    </splitpanes-stub>
  </div>
 </div>
 `;
--- a/assets/components/LogEventSource.spec.js
+++ b/assets/components/LogEventSource.spec.js
@@ -1,11 +1,12 @@
 import EventSource from "eventsourcemock";
 import { sources } from "eventsourcemock";
-import { shallowMount, mount } from "@vue/test-utils";
+import { shallowMount, mount, createLocalVue } from "@vue/test-utils";
+import Vuex from "vuex";
 import MockDate from "mockdate";
-import Container from "./Container";
-import LogViewer from "../components/LogViewer.vue";
+import LogEventSource from "./LogEventSource.vue";
+import LogViewer from "./LogViewer.vue";

-describe("<Container />", () => {
+describe("<LogEventSource />", () => {
  beforeEach(() => {
    global.BASE_PATH = "";
    global.EventSource = EventSource;
@@ -15,68 +16,103 @@ describe("<Container />", () => {

  afterEach(() => MockDate.reset());

+  function createLogEventSource(searchFilter = null) {
+    const localVue = createLocalVue();
+    localVue.use(Vuex);
+
+    localVue.component("log-event-source", LogEventSource);
+    localVue.component("log-viewer", LogViewer);
+
+    const state = { searchFilter };
+
+    const store = new Vuex.Store({
+      state
+    });
+
+    return mount(LogEventSource, {
+      localVue,
+      store,
+      scopedSlots: {
+        default: `
+        <log-viewer :messages="props.messages"></log-viewer>
+        `
+      },
+      propsData: { id: "abc" }
+    });
+  }
+
  test("is a Vue instance", async () => {
-    const wrapper = shallowMount(Container);
+    const wrapper = shallowMount(LogEventSource);
    expect(wrapper.isVueInstance()).toBeTruthy();
  });

  test("renders correctly", async () => {
-    const wrapper = mount(Container);
+    const wrapper = createLogEventSource();
    expect(wrapper.element).toMatchSnapshot();
  });

  test("should connect to EventSource", async () => {
-    mount(Container, {
-      propsData: { id: "abc" }
-    });
+    shallowMount(LogEventSource);
    sources["/api/logs/stream?id=abc"].emitOpen();
    expect(sources["/api/logs/stream?id=abc"].readyState).toBe(1);
  });

  test("should close EventSource", async () => {
-    const wrapper = mount(Container, {
-      propsData: { id: "abc" }
-    });
+    const wrapper = createLogEventSource();
    sources["/api/logs/stream?id=abc"].emitOpen();
    wrapper.destroy();
    expect(sources["/api/logs/stream?id=abc"].readyState).toBe(2);
  });

  test("should parse messages", async () => {
-    const wrapper = mount(Container, {
-      propsData: { id: "abc" }
-    });
+    const wrapper = createLogEventSource();
+    sources["/api/logs/stream?id=abc"].emitOpen();
+    sources["/api/logs/stream?id=abc"].emitMessage({ data: `2019-06-12T10:55:42.459034602Z "This is a message."` });
+    const [message, _] = wrapper.vm.messages;
+    const { key, ...messageWithoutKey } = message;
+
+    expect(key).toBeGreaterThanOrEqual(0);
+
+    expect(messageWithoutKey).toMatchInlineSnapshot(`
+      Object {
+        "date": 2019-06-12T10:55:42.459Z,
+        "message": " \\"This is a message.\\"",
+      }
+    `);
+  });
+
+  test("should pass messages to slot", async () => {
+    const wrapper = createLogEventSource();
    sources["/api/logs/stream?id=abc"].emitOpen();
    sources["/api/logs/stream?id=abc"].emitMessage({ data: `2019-06-12T10:55:42.459034602Z "This is a message."` });
    const [message, _] = wrapper.find(LogViewer).vm.messages;

-    expect(message).toMatchInlineSnapshot(`
+    const { key, ...messageWithoutKey } = message;
+
+    expect(key).toBeGreaterThanOrEqual(0);
+
+    expect(messageWithoutKey).toMatchInlineSnapshot(`
      Object {
        "date": 2019-06-12T10:55:42.459Z,
-        "key": 0,
        "message": " \\"This is a message.\\"",
      }
    `);
  });

  test("should render messages", async () => {
-    const wrapper = mount(Container, {
-      propsData: { id: "abc" }
-    });
+    const wrapper = createLogEventSource();
    sources["/api/logs/stream?id=abc"].emitOpen();
    sources["/api/logs/stream?id=abc"].emitMessage({ data: `2019-06-12T10:55:42.459034602Z "This is a message."` });

    expect(wrapper.find("ul.events")).toMatchInlineSnapshot(`
      <ul class="events">
-        <li class="event"><span class="date">today at 10:55 AM</span> <span class="text"> "This is a message."</span></li>
+        <li><span class="date">today at 10:55 AM</span> <span class="text"> "This is a message."</span></li>
      </ul>
    `);
  });

  test("should render messages with color", async () => {
-    const wrapper = mount(Container, {
-      propsData: { id: "abc" }
-    });
+    const wrapper = createLogEventSource();
    sources["/api/logs/stream?id=abc"].emitOpen();
    sources["/api/logs/stream?id=abc"].emitMessage({
      data: `2019-06-12T10:55:42.459034602Z \x1b[30mblack\x1b[37mwhite`
@@ -84,15 +120,13 @@ describe("<Container />", () => {

    expect(wrapper.find("ul.events")).toMatchInlineSnapshot(`
      <ul class="events">
-        <li class="event"><span class="date">today at 10:55 AM</span> <span class="text"> <span style="color:#000">black<span style="color:#AAA">white</span></span></span></li>
+        <li><span class="date">today at 10:55 AM</span> <span class="text"> <span style="color:#000">black<span style="color:#AAA">white</span></span></span></li>
      </ul>
    `);
  });

  test("should render messages with html entities", async () => {
-    const wrapper = mount(Container, {
-      propsData: { id: "abc" }
-    });
+    const wrapper = createLogEventSource();
    sources["/api/logs/stream?id=abc"].emitOpen();
    sources["/api/logs/stream?id=abc"].emitMessage({
      data: `2019-06-12T10:55:42.459034602Z <test>foo bar</test>`
@@ -100,15 +134,13 @@ describe("<Container />", () => {

    expect(wrapper.find("ul.events")).toMatchInlineSnapshot(`
      <ul class="events">
-        <li class="event"><span class="date">today at 10:55 AM</span> <span class="text"> &lt;test&gt;foo bar&lt;/test&gt;</span></li>
+        <li><span class="date">today at 10:55 AM</span> <span class="text"> &lt;test&gt;foo bar&lt;/test&gt;</span></li>
      </ul>
    `);
  });

  test("should render messages with filter", async () => {
-    const wrapper = mount(Container, {
-      propsData: { id: "abc" }
-    });
+    const wrapper = createLogEventSource("test");
    sources["/api/logs/stream?id=abc"].emitOpen();
    sources["/api/logs/stream?id=abc"].emitMessage({
      data: `2019-06-11T10:55:42.459034602Z Foo bar`
@@ -117,11 +149,9 @@ describe("<Container />", () => {
      data: `2019-06-12T10:55:42.459034602Z This is a test <hi></hi>`
    });

-    wrapper.find(LogViewer).setData({ filter: "test" });
-
    expect(wrapper.find("ul.events")).toMatchInlineSnapshot(`
      <ul class="events">
-        <li class="event"><span class="date">today at 10:55 AM</span> <span class="text"> This is a <mark>test</mark> &lt;hi&gt;&lt;/hi&gt;</span></li>
+        <li><span class="date">today at 10:55 AM</span> <span class="text"> This is a <mark>test</mark> &lt;hi&gt;&lt;/hi&gt;</span></li>
      </ul>
    `);
  });
--- a/assets/components/LogEventSource.vue
+++ b/assets/components/LogEventSource.vue
@@ -1,12 +1,11 @@
 <template lang="html">
-  <span>
+  <div>
    <slot v-bind:messages="messages"></slot>
-  </span>
+  </div>
 </template>

 <script>
 let nextId = 0;
-let es = null;
 function parseMessage(data) {
  const date = new Date(data.substring(0, 30));
  const message = data.substring(30);
@@ -27,18 +26,22 @@ export default {
    };
  },
  created() {
+    this.es = null;
    this.loadLogs(this.id);
  },
  methods: {
    loadLogs(id) {
-      if (es) {
-        es.close();
+      if (this.es) {
+        this.es.close();
        this.messages = [];
-        es = null;
+        this.es = null;
      }
-      es = new EventSource(`${BASE_PATH}/api/logs/stream?id=${this.id}`);
-      es.onmessage = e => this.messages.push(parseMessage(e.data));
-      this.$once("hook:beforeDestroy", () => es.close());
+      this.es = new EventSource(`${BASE_PATH}/api/logs/stream?id=${this.id}`);
+      this.es.onmessage = e => this.messages.push(parseMessage(e.data));
+      this.es.onerror = function(e) {
+        console.log("EventSource failed." + e);
+      };
+      this.$once("hook:beforeDestroy", () => this.es.close());
    }
  },
  watch: {
--- a/assets/components/LogViewer.vue
+++ b/assets/components/LogViewer.vue
@@ -1,68 +1,29 @@
 <template lang="html">
-  <div class="is-fullheight">
-    <div class="search columns is-gapless is-vcentered" v-show="showSearch">
-      <div class="column">
-        <p class="control has-icons-left">
-          <input class="input" type="text" placeholder="Filter" ref="filter" v-model="filter" />
-          <span class="icon is-small is-left"><i class="fas fa-search"></i></span>
-        </p>
-      </div>
-      <div class="column is-1 has-text-centered">
-        <button class="delete is-medium" @click="resetSearch()"></button>
-      </div>
-    </div>
-
-    <ul class="events">
-      <li v-for="item in filtered" class="event" :key="item.key">
-        <span class="date">{{ item.date | relativeTime }}</span>
-        <span class="text" v-html="colorize(item.message)"></span>
-      </li>
-    </ul>
-    <scrollbar-notification :messages="messages"></scrollbar-notification>
-  </div>
+  <ul class="events">
+    <li v-for="item in filtered" :key="item.key">
+      <span class="date">{{ item.date | relativeTime }}</span>
+      <span class="text" v-html="colorize(item.message)"></span>
+    </li>
+  </ul>
 </template>

 <script>
+import { mapActions, mapGetters, mapState } from "vuex";
 import { formatRelative } from "date-fns";
 import AnsiConvertor from "ansi-to-html";
-import ScrollbarNotification from "./ScrollbarNotification";

 const ansiConvertor = new AnsiConvertor({ escapeXML: true });

 export default {
  props: ["messages"],
  name: "LogViewer",
-  components: {
-    ScrollbarNotification
-  },
+  components: {},
  data() {
    return {
-      showSearch: false,
-      filter: ""
+      showSearch: false
    };
  },
-  mounted() {
-    window.addEventListener("keydown", this.onKeyDown);
-  },
-  destroyed() {
-    window.removeEventListener("keydown", this.onKeyDown);
-  },
  methods: {
-    onKeyDown(e) {
-      if ((e.metaKey || e.ctrlKey) && e.key === "f") {
-        this.showSearch = true;
-        this.$nextTick(() => this.$refs.filter.focus());
-        e.preventDefault();
-      } else if ((e.metaKey || e.ctrlKey) && e.key === "k") {
-        this.messages = [];
-      } else if (e.key === "Escape") {
-        this.resetSearch();
-      }
-    },
-    resetSearch() {
-      this.showSearch = false;
-      this.filter = "";
-    },
    colorize: function(value) {
      return ansiConvertor
        .toHtml(value)
@@ -71,12 +32,12 @@ export default {
    }
  },
  computed: {
+    ...mapState(["searchFilter"]),
    filtered() {
-      const { filter, messages } = this;
-
-      if (filter) {
-        const isSmartCase = filter === filter.toLowerCase();
-        const regex = isSmartCase ? new RegExp(filter, "i") : new RegExp(filter);
+      const { searchFilter, messages } = this;
+      if (searchFilter) {
+        const isSmartCase = searchFilter === searchFilter.toLowerCase();
+        const regex = isSmartCase ? new RegExp(searchFilter, "i") : new RegExp(searchFilter);
        return messages
          .filter(d => d.message.match(regex))
          .map(d => ({
@@ -94,16 +55,16 @@ export default {
  }
 };
 </script>
-<style scoped>
+<style scoped lang="scss">
 .events {
  padding: 10px;
  font-family: "Roboto Mono", monaco, monospace;
-}

-.event {
-  font-size: 13px;
-  line-height: 16px;
-  word-wrap: break-word;
+  & > li {
+    font-size: 13px;
+    line-height: 16px;
+    word-wrap: break-word;
+  }
 }

 .date {
@@ -111,28 +72,11 @@ export default {
  color: #258ccd;
 }

-.is-fullheight {
-  min-height: 100vh;
-}
-
 .text {
  white-space: pre-wrap;
 }

-.search {
-  width: 350px;
-  position: fixed;
-  padding: 10px;
-  background: rgba(50, 50, 50, 0.9);
-  top: 0;
-  right: 0;
-  border-radius: 0 0 0 5px;
-}
-.delete {
-  margin-left: 1em;
-}
-
-/deep/ mark {
+>>> mark {
  border-radius: 2px;
  background-color: #ffdd57;
  animation: pops 0.2s ease-out;
--- a/assets/components/LogViewerWithSource.vue
+++ b/assets/components/LogViewerWithSource.vue
@@ -0,0 +1,19 @@
+<template lang="html">
+  <log-event-source :id="id" v-slot="eventSource">
+    <log-viewer :messages="eventSource.messages"></log-viewer>
+  </log-event-source>
+</template>
+
+<script>
+import LogEventSource from "./LogEventSource";
+import LogViewer from "./LogViewer";
+
+export default {
+  props: ["id"],
+  name: "LogViewerWithSource",
+  components: {
+    LogEventSource,
+    LogViewer
+  }
+};
+</script>
--- a/assets/components/ScrollableView.vue
+++ b/assets/components/ScrollableView.vue
@@ -0,0 +1,89 @@
+<template lang="html">
+  <section>
+    <header v-if="$slots.header">
+      <slot name="header"></slot>
+    </header>
+    <main ref="content" @scroll.passive="onScroll">
+      <slot></slot>
+    </main>
+    <div class="scroll-bar-notification">
+      <transition name="fade">
+        <button
+          class="button"
+          :class="hasMore ? 'is-warning' : 'is-primary'"
+          @click="scrollToBottom('smooth')"
+          v-show="paused"
+        >
+          <span class="icon large"> <i class="fas fa-chevron-down"></i> </span>
+        </button>
+      </transition>
+    </div>
+  </section>
+</template>
+
+<script>
+export default {
+  name: "ScrollableView",
+  data() {
+    return {
+      paused: false,
+      hasMore: false
+    };
+  },
+  mounted() {
+    const { content } = this.$refs;
+    new MutationObserver(e => {
+      if (!this.paused) {
+        this.scrollToBottom("instant");
+      } else {
+        this.hasMore = true;
+      }
+    }).observe(content, { childList: true, subtree: true });
+  },
+  methods: {
+    scrollToBottom(behavior = "instant") {
+      const { content } = this.$refs;
+      if (typeof content.scroll === "function") {
+        content.scroll({ top: content.scrollHeight, behavior });
+      } else {
+        content.scrollTop = content.scrollHeight;
+      }
+      this.hasMore = false;
+    },
+    onScroll(e) {
+      const { content } = this.$refs;
+      this.paused = content.scrollTop + content.clientHeight + 1 < content.scrollHeight;
+    }
+  },
+  watch: {}
+};
+</script>
+<style scoped lang="scss">
+section {
+  display: flex;
+  flex-direction: column;
+  height: 100vh;
+
+  main {
+    flex: 1;
+    overflow: auto;
+  }
+  .scroll-bar-notification {
+    text-align: right;
+    margin-right: 65px;
+    button {
+      position: fixed;
+      bottom: 30px;
+    }
+  }
+
+  .fade-enter-active,
+  .fade-leave-active {
+    transition: opacity 0.15s ease-in;
+  }
+  .fade-enter,
+  .fade-leave-to {
+    opacity: 0;
+  }
+}
+</style>
--- a/assets/components/ScrollbarNotification.vue
+++ b/assets/components/ScrollbarNotification.vue
@@ -1,70 +0,0 @@
-<template lang="html">
-  <transition name="fade">
-    <button
-      class="button scroll-notification"
-      :class="hasNew ? 'is-warning' : 'is-primary'"
-      @click="scrollToBottom"
-      v-show="visible"
-    >
-      <span class="icon large"> <i class="fas fa-chevron-down"></i> </span>
-    </button>
-  </transition>
-</template>
-
-<script>
-export default {
-  props: ["messages"],
-  data() {
-    return {
-      visible: false,
-      hasNew: false
-    };
-  },
-  mounted() {
-    document.addEventListener("scroll", this.onScroll, { passive: true });
-    setTimeout(() => this.scrollToBottom(), 500);
-  },
-  beforeDestroy() {
-    document.removeEventListener("scroll", this.onScroll);
-  },
-  methods: {
-    scrollToBottom() {
-      this.visible = false;
-      window.scrollTo(0, document.documentElement.scrollHeight || document.body.scrollHeight);
-    },
-    onScroll() {
-      const scrollTop = document.documentElement.scrollTop || document.body.scrollTop;
-      const scrollBottom =
-        (document.documentElement.scrollHeight || document.body.scrollHeight) - document.documentElement.clientHeight;
-      this.visible = scrollBottom - scrollTop > 50;
-      if (!this.visible) {
-        this.hasNew = false;
-      }
-    }
-  },
-  watch: {
-    messages() {
-      if (this.visible) {
-        this.hasNew = true;
-      } else {
-        this.scrollToBottom();
-      }
-    }
-  }
-};
-</script>
-<style scoped>
-.scroll-notification {
-  position: fixed;
-  right: 40px;
-  bottom: 30px;
-}
-.fade-enter-active,
-.fade-leave-active {
-  transition: opacity 0.15s ease-in;
-}
-.fade-enter,
-.fade-leave-to {
-  opacity: 0;
-}
-</style>
--- a/assets/components/Search.vue
+++ b/assets/components/Search.vue
@@ -0,0 +1,77 @@
+<template lang="html">
+  <div class="search columns is-gapless is-vcentered" v-show="showSearch">
+    <div class="column">
+      <p class="control has-icons-left">
+        <input class="input" type="text" placeholder="Filter" ref="filter" v-model="filter" />
+        <span class="icon is-small is-left"><i class="fas fa-search"></i></span>
+      </p>
+    </div>
+    <div class="column is-1 has-text-centered">
+      <button class="delete is-medium" @click="resetSearch()"></button>
+    </div>
+  </div>
+</template>
+
+<script>
+import { mapActions, mapState } from "vuex";
+export default {
+  props: [],
+  name: "Search",
+  data() {
+    return {
+      showSearch: false
+    };
+  },
+  mounted() {
+    window.addEventListener("keydown", this.onKeyDown);
+  },
+  destroyed() {
+    window.removeEventListener("keydown", this.onKeyDown);
+  },
+  methods: {
+    ...mapActions({
+      updateSearchFilter: "SET_SEARCH"
+    }),
+    onKeyDown(e) {
+      if ((e.metaKey || e.ctrlKey) && e.key === "f") {
+        this.showSearch = true;
+        this.$nextTick(() => this.$refs.filter.focus());
+        e.preventDefault();
+      } else if (e.key === "Escape") {
+        this.resetSearch();
+      }
+    },
+    resetSearch() {
+      this.showSearch = false;
+      this.filter = "";
+    }
+  },
+  computed: {
+    ...mapState(["searchFilter"]),
+    filter: {
+      get() {
+        return this.searchFilter;
+      },
+      set(value) {
+        this.updateSearchFilter(value);
+      }
+    }
+  }
+};
+</script>
+
+<style lang="scss" scoped>
+.search {
+  width: 350px;
+  position: fixed;
+  padding: 10px;
+  background: rgba(50, 50, 50, 0.9);
+  top: 0;
+  right: 0;
+  border-radius: 0 0 0 5px;
+  z-index: 10;
+}
+.delete {
+  margin-left: 1em;
+}
+</style>
--- a/assets/components/SideMenu.vue
+++ b/assets/components/SideMenu.vue
@@ -0,0 +1,122 @@
+<template lang="html">
+  <aside class="column menu is-3-tablet is-2-widescreen">
+    <a
+      role="button"
+      class="navbar-burger burger is-white is-hidden-tablet is-pulled-right"
+      @click="showNav = !showNav"
+      :class="{ 'is-active': showNav }"
+    >
+      <span></span> <span></span> <span></span>
+    </a>
+    <h1 class="title has-text-warning is-marginless">Dozzle</h1>
+    <p class="menu-label is-hidden-mobile" :class="{ 'is-active': showNav }">Containers</p>
+    <ul class="menu-list is-hidden-mobile" :class="{ 'is-active': showNav }">
+      <li v-for="item in containers">
+        <router-link :to="{ name: 'container', params: { id: item.id, name: item.name } }" active-class="is-active">
+          <div class="hide-overflow">
+            <span
+              @click.stop.prevent="appendActiveContainer(item)"
+              class="icon is-small will-append-container"
+              :class="{ 'is-active': activeContainersById[item.id] }"
+            >
+              <i class="fas fa-thumbtack"></i>
+            </span>
+            {{ item.name }}
+          </div>
+        </router-link>
+      </li>
+    </ul>
+  </aside>
+</template>
+
+<script>
+import { mapActions, mapGetters, mapState } from "vuex";
+
+export default {
+  props: [],
+  name: "SideMenu",
+  data() {
+    return {
+      showNav: false
+    };
+  },
+  methods: {
+    colorize: value =>
+      ansiConvertor
+        .toHtml(value)
+        .replace("&lt;mark&gt;", "<mark>")
+        .replace("&lt;/mark&gt;", "</mark>")
+  },
+  computed: {
+    ...mapState(["containers", "activeContainers"]),
+    activeContainersById() {
+      return this.activeContainers.reduce((map, obj) => {
+        map[obj.id] = obj;
+        return map;
+      }, {});
+    }
+  },
+  methods: {
+    ...mapActions({
+      appendActiveContainer: "APPEND_ACTIVE_CONTAINER"
+    })
+  }
+};
+</script>
+<style scoped lang="scss">
+aside {
+  position: fixed;
+  z-index: 2;
+  padding: 1em;
+
+  @media screen and (min-width: 769px) {
+    & {
+      height: 100vh;
+      overflow: auto;
+    }
+  }
+
+  @media screen and (max-width: 768px) {
+    & {
+      position: sticky;
+      top: 0;
+      left: 0;
+      right: 0;
+      background: #222;
+    }
+
+    .menu-label {
+      margin-top: 1em;
+    }
+  }
+  .hide-overflow {
+    text-overflow: ellipsis;
+    white-space: nowrap;
+    overflow: hidden;
+  }
+
+  .burger.is-white {
+    color: #fff;
+  }
+
+  .is-hidden-mobile.is-active {
+    display: block !important;
+  }
+
+  .navbar-burger {
+    height: 2.35rem;
+  }
+}
+
+.will-append-container.icon {
+  transition: transform 0.2s ease-out;
+  &.is-active {
+    transform: rotate(25deg);
+    pointer-events: none;
+    color: #00d1b2;
+  }
+  .router-link-exact-active & {
+    visibility: hidden;
+  }
+}
+</style>
--- a/assets/components/snapshots/LogEventSource.spec.js.snap
+++ b/assets/components/snapshots/LogEventSource.spec.js.snap
@@ -0,0 +1,9 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`<LogEventSource /> renders correctly 1`] = `
+<div>
+  <ul
+    class="events"
+  />
+</div>
+`;
--- a/assets/main.js
+++ b/assets/main.js
@@ -1,6 +1,8 @@
 import Vue from "vue";
 import VueRouter from "vue-router";
 import Meta from "vue-meta";
+import Vuex from "vuex";
+import store from "./store";
 import App from "./App.vue";
 import Container from "./pages/Container.vue";
 import Index from "./pages/Index.vue";
@@ -30,5 +32,6 @@ const router = new VueRouter({

 new Vue({
  router,
+  store,
  render: h => h(App)
 }).$mount("#app");
--- a/assets/pages/Container.vue
+++ b/assets/pages/Container.vue
@@ -1,19 +1,24 @@
 <template lang="html">
-  <log-event-source :id="id" v-slot="eventSource">
-    <log-viewer :messages="eventSource.messages"></log-viewer>
-  </log-event-source>
+  <div>
+    <search></search>
+    <scrollable-view>
+      <log-viewer-with-source :id="id"></log-viewer-with-source>
+    </scrollable-view>
+  </div>
 </template>

 <script>
-import LogEventSource from "../components/LogEventSource";
-import LogViewer from "../components/LogViewer";
+import LogViewerWithSource from "../components/LogViewerWithSource";
+import Search from "../components/Search";
+import ScrollableView from "../components/ScrollableView";

 export default {
  props: ["id", "name"],
  name: "Container",
  components: {
-    LogViewer,
-    LogEventSource
+    LogViewerWithSource,
+    ScrollableView,
+    Search
  },
  metaInfo() {
    return {
@@ -23,4 +28,4 @@ export default {
  }
 };
 </script>
-<style scoped></style>
+<style lang="scss" scoped></style>
--- a/assets/pages/snapshots/Container.spec.js.snap
+++ b/assets/pages/snapshots/Container.spec.js.snap
@@ -1,62 +0,0 @@
-// Jest Snapshot v1, https://goo.gl/fbAQLP
-
-exports[`<Container /> renders correctly 1`] = `
-<span>
-  <div
-    class="is-fullheight"
-  >
-    <div
-      class="search columns is-gapless is-vcentered"
-      style="display: none;"
-    >
-      <div
-        class="column"
-      >
-        <p
-          class="control has-icons-left"
-        >
-          <input
-            class="input"
-            placeholder="Filter"
-            type="text"
-          />
-           
-          <span
-            class="icon is-small is-left"
-          >
-            <i
-              class="fas fa-search"
-            />
-          </span>
-        </p>
-      </div>
-       
-      <div
-        class="column is-1 has-text-centered"
-      >
-        <button
-          class="delete is-medium"
-        />
-      </div>
-    </div>
-     
-    <ul
-      class="events"
-    />
-     
-    <button
-      class="button scroll-notification is-primary"
-      name="fade"
-      style="display: none;"
-    >
-      <span
-        class="icon large"
-      >
-        <i
-          class="fas fa-chevron-down"
-        />
-      </span>
-    </button>
-  </div>
-</span>
-`;
--- a/assets/store/index.js
+++ b/assets/store/index.js
@@ -0,0 +1,56 @@
+import Vue from "vue";
+import Vuex from "vuex";
+// import storage from "store/dist/store.modern";
+
+Vue.use(Vuex);
+
+const state = {
+  containers: [],
+  activeContainers: [],
+  searchFilter: null
+};
+
+const mutations = {
+  SET_CONTAINERS(state, containers) {
+    state.containers = containers;
+  },
+  ADD_ACTIVE_CONTAINERS(state, container) {
+    state.activeContainers.push(container);
+  },
+  REMOVE_ACTIVE_CONTAINER(state, container) {
+    state.activeContainers.splice(state.activeContainers.indexOf(container), 1);
+  },
+  SET_SEARCH(state, filter) {
+    state.searchFilter = filter;
+  }
+};
+
+const actions = {
+  APPEND_ACTIVE_CONTAINER({ commit }, container) {
+    commit("ADD_ACTIVE_CONTAINERS", container);
+  },
+  REMOVE_ACTIVE_CONTAINER({ commit }, container) {
+    commit("REMOVE_ACTIVE_CONTAINER", container);
+  },
+  SET_SEARCH({ commit }, filter) {
+    commit("SET_SEARCH", filter);
+  },
+  async FETCH_CONTAINERS({ commit }) {
+    const containers = await (await fetch(`${BASE_PATH}/api/containers.json`)).json();
+    commit("SET_CONTAINERS", containers);
+  }
+};
+const getters = {};
+
+const es = new EventSource(`${BASE_PATH}/api/events/stream`);
+es.addEventListener("containers-changed", e => setTimeout(() => store.dispatch("FETCH_CONTAINERS"), 1000), false);
+
+const store = new Vuex.Store({
+  strict: true,
+  state,
+  getters,
+  actions,
+  mutations
+});
+
+export default store;
--- a/assets/styles.scss
+++ b/assets/styles.scss
@@ -4,6 +4,7 @@ $menu-item-active-background-color: hsl(171, 100%, 41%);
 $menu-item-color: hsl(0, 6%, 87%);

@import "../node_modules/bulma/bulma.sass";
+@import "../node_modules/splitpanes/dist/splitpanes.css";

 .is-dark {
  color: #ddd;
@@ -17,3 +18,7 @@ body {
 h1.title {
  font-family: "Gafata", sans-serif;
 }
+
+.column {
+  min-width: 0;
+}
--- a/package-lock.json
+++ b/package-lock.json
@@ -14,18 +14,18 @@
      }
    },
    "@babel/core": {
-      "version": "7.7.2",
-      "resolved": "https://registry.npmjs.org/@babel/core/-/core-7.7.2.tgz",
-      "integrity": "sha512-eeD7VEZKfhK1KUXGiyPFettgF3m513f8FoBSWiQ1xTvl1RAopLs42Wp9+Ze911I6H0N9lNqJMDgoZT7gHsipeQ==",
+      "version": "7.7.4",
+      "resolved": "https://registry.npmjs.org/@babel/core/-/core-7.7.4.tgz",
+      "integrity": "sha512-+bYbx56j4nYBmpsWtnPUsKW3NdnYxbqyfrP2w9wILBuHzdfIKz9prieZK0DFPyIzkjYVUe4QkusGL07r5pXznQ==",
      "dev": true,
      "requires": {
        "@babel/code-frame": "^7.5.5",
-        "@babel/generator": "^7.7.2",
-        "@babel/helpers": "^7.7.0",
-        "@babel/parser": "^7.7.2",
-        "@babel/template": "^7.7.0",
-        "@babel/traverse": "^7.7.2",
-        "@babel/types": "^7.7.2",
+        "@babel/generator": "^7.7.4",
+        "@babel/helpers": "^7.7.4",
+        "@babel/parser": "^7.7.4",
+        "@babel/template": "^7.7.4",
+        "@babel/traverse": "^7.7.4",
+        "@babel/types": "^7.7.4",
        "convert-source-map": "^1.7.0",
        "debug": "^4.1.0",
        "json5": "^2.1.0",
@@ -45,84 +45,84 @@
          }
        },
        "@babel/generator": {
-          "version": "7.7.2",
-          "resolved": "https://registry.npmjs.org/@babel/generator/-/generator-7.7.2.tgz",
-          "integrity": "sha512-WthSArvAjYLz4TcbKOi88me+KmDJdKSlfwwN8CnUYn9jBkzhq0ZEPuBfkAWIvjJ3AdEV1Cf/+eSQTnp3IDJKlQ==",
+          "version": "7.7.4",
+          "resolved": "https://registry.npmjs.org/@babel/generator/-/generator-7.7.4.tgz",
+          "integrity": "sha512-m5qo2WgdOJeyYngKImbkyQrnUN1mPceaG5BV+G0E3gWsa4l/jCSryWJdM2x8OuGAOyh+3d5pVYfZWCiNFtynxg==",
          "dev": true,
          "requires": {
-            "@babel/types": "^7.7.2",
+            "@babel/types": "^7.7.4",
            "jsesc": "^2.5.1",
            "lodash": "^4.17.13",
            "source-map": "^0.5.0"
          }
        },
        "@babel/helper-function-name": {
-          "version": "7.7.0",
-          "resolved": "https://registry.npmjs.org/@babel/helper-function-name/-/helper-function-name-7.7.0.tgz",
-          "integrity": "sha512-tDsJgMUAP00Ugv8O2aGEua5I2apkaQO7lBGUq1ocwN3G23JE5Dcq0uh3GvFTChPa4b40AWiAsLvCZOA2rdnQ7Q==",
+          "version": "7.7.4",
+          "resolved": "https://registry.npmjs.org/@babel/helper-function-name/-/helper-function-name-7.7.4.tgz",
+          "integrity": "sha512-AnkGIdiBhEuiwdoMnKm7jfPfqItZhgRaZfMg1XX3bS25INOnLPjPG1Ppnajh8eqgt5kPJnfqrRHqFqmjKDZLzQ==",
          "dev": true,
          "requires": {
-            "@babel/helper-get-function-arity": "^7.7.0",
-            "@babel/template": "^7.7.0",
-            "@babel/types": "^7.7.0"
+            "@babel/helper-get-function-arity": "^7.7.4",
+            "@babel/template": "^7.7.4",
+            "@babel/types": "^7.7.4"
          }
        },
        "@babel/helper-get-function-arity": {
-          "version": "7.7.0",
-          "resolved": "https://registry.npmjs.org/@babel/helper-get-function-arity/-/helper-get-function-arity-7.7.0.tgz",
-          "integrity": "sha512-tLdojOTz4vWcEnHWHCuPN5P85JLZWbm5Fx5ZsMEMPhF3Uoe3O7awrbM2nQ04bDOUToH/2tH/ezKEOR8zEYzqyw==",
+          "version": "7.7.4",
+          "resolved": "https://registry.npmjs.org/@babel/helper-get-function-arity/-/helper-get-function-arity-7.7.4.tgz",
+          "integrity": "sha512-QTGKEdCkjgzgfJ3bAyRwF4yyT3pg+vDgan8DSivq1eS0gwi+KGKE5x8kRcbeFTb/673mkO5SN1IZfmCfA5o+EA==",
          "dev": true,
          "requires": {
-            "@babel/types": "^7.7.0"
+            "@babel/types": "^7.7.4"
          }
        },
        "@babel/helper-split-export-declaration": {
-          "version": "7.7.0",
-          "resolved": "https://registry.npmjs.org/@babel/helper-split-export-declaration/-/helper-split-export-declaration-7.7.0.tgz",
-          "integrity": "sha512-HgYSI8rH08neWlAH3CcdkFg9qX9YsZysZI5GD8LjhQib/mM0jGOZOVkoUiiV2Hu978fRtjtsGsW6w0pKHUWtqA==",
+          "version": "7.7.4",
+          "resolved": "https://registry.npmjs.org/@babel/helper-split-export-declaration/-/helper-split-export-declaration-7.7.4.tgz",
+          "integrity": "sha512-guAg1SXFcVr04Guk9eq0S4/rWS++sbmyqosJzVs8+1fH5NI+ZcmkaSkc7dmtAFbHFva6yRJnjW3yAcGxjueDug==",
          "dev": true,
          "requires": {
-            "@babel/types": "^7.7.0"
+            "@babel/types": "^7.7.4"
          }
        },
        "@babel/parser": {
-          "version": "7.7.2",
-          "resolved": "https://registry.npmjs.org/@babel/parser/-/parser-7.7.2.tgz",
-          "integrity": "sha512-DDaR5e0g4ZTb9aP7cpSZLkACEBdoLGwJDWgHtBhrGX7Q1RjhdoMOfexICj5cqTAtpowjGQWfcvfnQG7G2kAB5w==",
+          "version": "7.7.4",
+          "resolved": "https://registry.npmjs.org/@babel/parser/-/parser-7.7.4.tgz",
+          "integrity": "sha512-jIwvLO0zCL+O/LmEJQjWA75MQTWwx3c3u2JOTDK5D3/9egrWRRA0/0hk9XXywYnXZVVpzrBYeIQTmhwUaePI9g==",
          "dev": true
        },
        "@babel/template": {
-          "version": "7.7.0",
-          "resolved": "https://registry.npmjs.org/@babel/template/-/template-7.7.0.tgz",
-          "integrity": "sha512-OKcwSYOW1mhWbnTBgQY5lvg1Fxg+VyfQGjcBduZFljfc044J5iDlnDSfhQ867O17XHiSCxYHUxHg2b7ryitbUQ==",
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+          "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-7.0.1.tgz",
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+            "cross-spawn": "^7.0.0",
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+        "shebang-command": {
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+          "resolved": "https://registry.npmjs.org/shebang-command/-/shebang-command-2.0.0.tgz",
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+          "dev": true,
+          "requires": {
+            "shebang-regex": "^3.0.0"
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+        "shebang-regex": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/shebang-regex/-/shebang-regex-3.0.0.tgz",
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+          "dev": true
+        },
        "to-regex-range": {
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          "resolved": "https://registry.npmjs.org/to-regex-range/-/to-regex-range-5.0.1.tgz",
@@ -7497,6 +7506,15 @@
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            "is-number": "^7.0.0"
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+        "which": {
+          "version": "2.0.2",
+          "resolved": "https://registry.npmjs.org/which/-/which-2.0.2.tgz",
+          "integrity": "sha512-BLI3Tl1TW3Pvl70l3yq3Y64i+awpwXqsGBYWkkqMtnbXgrMD+yj7rhW0kuEDxzJaYXGjEW5ogapKNMEKNMjibA==",
+          "dev": true,
+          "requires": {
+            "isexe": "^2.0.0"
+          }
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@@ -7652,12 +7670,6 @@
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-    "lodash.isequal": {
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-      "resolved": "https://registry.npmjs.org/lodash.isequal/-/lodash.isequal-4.5.0.tgz",
-      "integrity": "sha1-QVxEePK8wwEgwizhDtMib30+GOA=",
-      "dev": true
-    },
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@@ -8879,12 +8891,6 @@
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-    "path-to-regexp": {
-      "version": "2.4.0",
-      "resolved": "https://registry.npmjs.org/path-to-regexp/-/path-to-regexp-2.4.0.tgz",
-      "integrity": "sha512-G6zHoVqC6GGTQkZwF4lkuEyMbVOjoBKAEybQUypI1WTkqinCOrq2x6U2+phkJ1XsEMTy4LjtwPI7HW+NVrRR2w==",
-      "dev": true
-    },
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      "resolved": "https://registry.npmjs.org/path-type/-/path-type-3.0.0.tgz",
@@ -8920,9 +8926,9 @@
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    "picomatch": {
-      "version": "2.0.7",
-      "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.0.7.tgz",
-      "integrity": "sha512-oLHIdio3tZ0qH76NybpeneBhYVj0QFTfXEFTc/B3zKQspYfYYkWYgFsmzo+4kvId/bQRcNkVeguI3y+CD22BtA==",
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.1.1.tgz",
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@@ -9831,12 +9837,6 @@
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-    "regenerator-runtime": {
-      "version": "0.10.5",
-      "resolved": "https://registry.npmjs.org/regenerator-runtime/-/regenerator-runtime-0.10.5.tgz",
-      "integrity": "sha1-M2w+/BIgrc7dosn6tntaeVWjNlg=",
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      "resolved": "https://registry.npmjs.org/regenerator-transform/-/regenerator-transform-0.14.1.tgz",
@@ -10181,9 +10181,9 @@
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-      "resolved": "https://registry.npmjs.org/sass/-/sass-1.23.3.tgz",
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+      "version": "1.23.7",
+      "resolved": "https://registry.npmjs.org/sass/-/sass-1.23.7.tgz",
+      "integrity": "sha512-cYgc0fanwIpi0rXisGxl+/wadVQ/HX3RhpdRcjLdj2o2ye/sxUTpAxIhbmJy3PLQgRFbf6Pn8Jsrta2vdXcoOQ==",
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        "chokidar": ">=2.0.0 <4.0.0"
@@ -10585,6 +10585,11 @@
        "extend-shallow": "^3.0.0"
      }
    },
+    "splitpanes": {
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/splitpanes/-/splitpanes-2.1.1.tgz",
+      "integrity": "sha512-K4jlE6gLKElsjtoUqzX6x0Uq4k7rnSBAMmxOJNWYTTIAuO7seC0+x3ADGpUgqtazMYdq0nAfWB9+NI/t/tW0mw=="
+    },
    "sprintf-js": {
      "version": "1.0.3",
      "resolved": "https://registry.npmjs.org/sprintf-js/-/sprintf-js-1.0.3.tgz",
@@ -10695,6 +10700,11 @@
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      "dev": true
    },
+    "store": {
+      "version": "2.0.12",
+      "resolved": "https://registry.npmjs.org/store/-/store-2.0.12.tgz",
+      "integrity": "sha1-jFNOKguDH3K3X8XxEZhXxE711ZM="
+    },
    "stream-browserify": {
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      "resolved": "https://registry.npmjs.org/stream-browserify/-/stream-browserify-2.0.2.tgz",
@@ -11131,9 +11141,9 @@
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    "uglify-js": {
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-      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.6.7.tgz",
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+      "version": "3.6.9",
+      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.6.9.tgz",
+      "integrity": "sha512-pcnnhaoG6RtrvHJ1dFncAe8Od6Nuy30oaJ82ts6//sGSXOP5UjBMEthiProjXmMNHOfd93sqlkztifFMcb+4yw==",
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@@ -11651,6 +11661,11 @@
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      "dev": true
    },
+    "vuex": {
+      "version": "3.1.2",
+      "resolved": "https://registry.npmjs.org/vuex/-/vuex-3.1.2.tgz",
+      "integrity": "sha512-ha3jNLJqNhhrAemDXcmMJMKf1Zu4sybMPr9KxJIuOpVcsDQlTBYLLladav2U+g1AvdYDG5Gs0xBTb0M5pXXYFQ=="
+    },
    "w3c-hr-time": {
      "version": "1.0.1",
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--- a/package.json
+++ b/package.json
@@ -26,30 +26,32 @@
 "dependencies": {
  "ansi-to-html": "^0.6.13",
  "bulma": "^0.8.0",
-  "date-fns": "^2.7.0",
+  "date-fns": "^2.8.1",
+  "splitpanes": "^2.1.1",
+  "store": "^2.0.12",
  "vue": "^2.6.10",
  "vue-meta": "^2.3.1",
-  "vue-router": "^3.1.3"
+  "vue-router": "^3.1.3",
+  "vuex": "^3.1.2"
 },
 "devDependencies": {
-  "@babel/core": "^7.7.2",
-  "@babel/plugin-transform-runtime": "^7.6.2",
+  "@babel/core": "^7.7.4",
+  "@babel/plugin-transform-runtime": "^7.7.4",
  "@vue/component-compiler-utils": "^3.0.2",
  "@vue/test-utils": "^1.0.0-beta.29",
  "babel-core": "^7.0.0-bridge.0",
  "babel-jest": "^24.9.0",
  "concurrently": "^5.0.0",
  "eventsourcemock": "^2.0.0",
-  "fetch-mock": "^7.7.3",
-  "husky": "^3.0.9",
+  "husky": "^3.1.0",
  "jest": "^24.9.0",
  "jest-serializer-vue": "^2.0.2",
-  "lint-staged": "^9.4.2",
+  "lint-staged": "^9.4.3",
  "mockdate": "^2.0.5",
  "node-fetch": "^2.6.0",
  "parcel-bundler": "^1.12.4",
  "prettier": "^1.19.1",
-  "sass": "^1.23.3",
+  "sass": "^1.23.7",
  "vue-hot-reload-api": "^2.3.4",
  "vue-jest": "^3.0.5",
  "vue-template-compiler": "^2.6.10"