refactor: completely remove existing javascript and use Svelte app

exclusively for rendering

lib/frontend/components/Input.svelte

@@ -8,11 +8,16 @@
   #form input {
     margin: 5px;
   }
+
+  input#url {
+    flex: 1;
+    font-size: 1rem;
+  }
 </style>
 
 <script>
   import { createEvent } from '../actions'
-  import logger from '../../static/app/logger'
+  import logger from '../services/logger'
 
   let value
 

lib/frontend/constants.js

@@ -0,0 +1,5 @@
+export const STORAGE_KEYS = {
+  CONFIG: 'fb-to-ical-config',
+  EVENTS: 'fb-to-ical-events',
+}
+

lib/frontend/index.js

@@ -24,4 +24,4 @@ const boot = () => {
   }
 }
 
-export default boot
+boot()

lib/frontend/logger-boot.js

@@ -1,4 +1,4 @@
-import logger from '../static/app/logger'
+import logger from './services/logger'
 import { configStore } from './stores'
 
 export default () => {

lib/frontend/services/logger.js

@@ -0,0 +1,41 @@
+class Logger {
+  constructor() {
+    this._remote = false
+  }
+
+  log({ message, level, service }) {
+    console.info(
+      `%c${level}\n%c${service}\n%c${message}`,
+      'color: white; background-color: blue; font-weight: 800',
+      'color: grey',
+      'color: black'
+    )
+
+    if (!this._remote) {
+      return
+    }
+
+    this._log({ message, level, service })
+  }
+
+  setRemoteLogging(value) {
+    this._remote = value
+  }
+
+  _log({ message, level, service }) {
+    return new Promise((resolve, reject) => {
+      fetch('/track', {
+        method: 'POST',
+        headers: {
+          'Accept': 'text/html, application/json',
+          'Content-Type': 'application/json',
+        },
+        body: JSON.stringify({ message, level, service, env: 'browser' })
+      })
+        .then(resolve)
+        .catch(reject)
+    })
+  }
+}
+
+export default new Logger()

lib/frontend/services/storageListener.js

@@ -1,10 +1,6 @@
+import { STORAGE_KEYS } from '../constants'
 import { configStore, eventStore } from '../stores'
 
-export const STORAGE_KEYS = {
-  CONFIG: 'fb-to-ical-config',
-  EVENTS: 'fb-to-ical-events',
-}
-
 class StorageListener {
   constructor() {
     this._storeSubscribers = new Set()

lib/frontend/stores/configStore.js

@@ -1,6 +1,6 @@
 import { writable } from 'svelte/store'
 
-import { STORAGE_KEYS } from '../services/storageListener'
+import { STORAGE_KEYS } from '../constants'
 
 const createConfigStore = () => {
   const state = JSON.parse(localStorage.getItem(STORAGE_KEYS.CONFIG) || '{}')

lib/frontend/stores/eventStore.js

@@ -1,6 +1,6 @@
 import { writable } from 'svelte/store'
 
-import { STORAGE_KEYS } from '../services/storageListener'
+import { STORAGE_KEYS } from '../constants'
 import { migrateRecord, sortRecord }  from '../utils'
 
 const createEventStore = () => {