Do not run leveldb on content script

src/background/message-handler.ts

@@ -1,10 +1,14 @@
 import { isStatePopulated, isStateClear, PartialStateUpdate, ExporterState, isStateAbleToRequest } from "../state";
 import { Status } from '../state';
-import { State } from '../state/level';
+import { LevelState } from '../state/level';
 import * as landsbankinn from '../landsbankinn';
 import { fetchAccounts } from "../landsbankinn";
 import { Actions, EnsureStateMessage, EnsureStateReply, GetAccountsReply } from './messages';
 
+// State singleton (move to its own file if we eventually get more
+// than 1 background script)
+const State = new LevelState();
+
 async function ensureDataPopulated(state: ExporterState) {
     if (isStateAbleToRequest(state) && !isStatePopulated(state)) {
         const accounts = await fetchAccounts(state);

src/state/level.ts

@@ -7,7 +7,7 @@ type LevelError = Error | null | undefined;
 //@ts-ignore
 const errorNotFound = (err: LevelError) => err.code && err.code == 'LEVEL_NOT_FOUND';
 
-class LevelState {
+export class LevelState {
     private _db = new Level('landsbankinn-exporter', { valueEncoding: 'json' });
     private currentTTLHandle: number | undefined = -1;
 
@@ -55,5 +55,3 @@ class LevelState {
         return this.current;
     }
 }
-
-export const State: LevelState = new LevelState();

todo.org

@@ -2,10 +2,10 @@ How to get it working:
  - [X] Landsbankinn API client for arbitrary transaction lists
  - [ ] Transform raw transactions into friendlier ones (i.e. date objects)
  - [X] Content script that can run all the time and puts a button somewhere (statements tab, and extension icon)
- - [ ] Use config.ts to set TTL for state
+ - [X] Use config.ts to set TTL for state
  - [ ] Background page that downloads all the shit and combines into CSV, then 'downloads' file.
  - [X] Build up communication message passing to background page for downloads
- - [ ] Don't run level on client.
+ - [X] Don't run level on client.
  - [-] Investigate persistent = false + setTimeout
    - [ ] Maybe can force clear state when page reloads itself?
    - [X] Change ready true/false to lock state, of not updated, updating, ready