From cf3757536ddcf92e3312419ba98cf8b9d9645562 Mon Sep 17 00:00:00 2001
From: Jordan Eldredge <jordan@jordaneldredge.com>
Date: Tue, 5 Nov 2019 19:37:30 -0800
Subject: [PATCH] Remove the ability to persist state in the demo

---
 demo/js/index.js     | 15 ++++-----------
 demo/js/indexedDB.js | 40 ----------------------------------------
 package.json         |  1 -
 yarn.lock            | 11 -----------
 4 files changed, 4 insertions(+), 63 deletions(-)
 delete mode 100644 demo/js/indexedDB.js

diff --git a/demo/js/index.js b/demo/js/index.js
index da05fa8a..11667394 100644
--- a/demo/js/index.js
+++ b/demo/js/index.js
@@ -25,7 +25,6 @@ import {
 } from "../../js/actionTypes";
 
 import { loadFilesFromReferences } from "../../js/actionCreators";
-import { bindToIndexedDB } from "./indexedDB";
 import { getButterchurnOptions } from "./butterchurnOptions";
 import dropboxFilePicker from "./dropboxFilePicker";
 import availableSkins from "./avaliableSkins";
@@ -54,8 +53,6 @@ const NOISY_ACTION_TYPES = new Set([
 const MIN_MILKDROP_WIDTH = 725;
 
 let screenshot = false;
-let clearState = false;
-let useState = false;
 let skinUrl = configSkinUrl;
 let library = false;
 if ("URLSearchParams" in window) {
@@ -69,8 +66,6 @@ if ("URLSearchParams" in window) {
     skinUrl = base;
   }
   skinUrl = params.get("skinUrl") || skinUrl;
-  clearState = Boolean(params.get("clearState"));
-  useState = Boolean(params.get("useState"));
 }
 
 function supressDragAndDrop(e) {
@@ -172,7 +167,9 @@ Raven.context(async () => {
     requireJSZip: () =>
       import(/* webpackChunkName: "jszip" */ "jszip/dist/jszip"),
     requireMusicMetadata: () =>
-      import(/* webpackChunkName: "music-metadata-browser" */ "music-metadata-browser/dist/index"),
+      import(
+        /* webpackChunkName: "music-metadata-browser" */ "music-metadata-browser/dist/index"
+      ),
     __enableMediaLibrary: library,
     __initialWindowLayout,
     __initialState: screenshot ? screenshotInitialState : initialState,
@@ -215,9 +212,7 @@ Raven.context(async () => {
     document.title =
       track == null
         ? DEFAULT_DOCUMENT_TITLE
-        : `${track.metaData.title} - ${
-            track.metaData.artist
-          } \u00B7 ${DEFAULT_DOCUMENT_TITLE}`;
+        : `${track.metaData.title} - ${track.metaData.artist} \u00B7 ${DEFAULT_DOCUMENT_TITLE}`;
   });
 
   enableMediaSession(webamp);
@@ -236,8 +231,6 @@ Raven.context(async () => {
   // Expose webamp instance for debugging and integration tests.
   window.__webamp = webamp;
 
-  await bindToIndexedDB(webamp, clearState, useState);
-
   await webamp.renderWhenReady(document.getElementById("app"));
 
   ReactDOM.render(
diff --git a/demo/js/indexedDB.js b/demo/js/indexedDB.js
deleted file mode 100644
index 645af832..00000000
--- a/demo/js/indexedDB.js
+++ /dev/null
@@ -1,40 +0,0 @@
-import IdbKvStore from "idb-kv-store";
-import { throttle } from "../../js/utils";
-const LOCAL_STORAGE_KEY = "webamp_state";
-
-export async function bindToIndexedDB(webamp, clearState, useState) {
-  if (!useState) {
-    return;
-  }
-  const localStore = new IdbKvStore("webamp_state_database");
-
-  if (clearState) {
-    try {
-      await localStore.clear();
-    } catch (e) {
-      console.log("Failed to clear our IndexeddB state", e);
-    }
-  }
-
-  let previousSerializedState = null;
-  try {
-    previousSerializedState = await localStore.get(LOCAL_STORAGE_KEY);
-  } catch (e) {
-    console.error("Failed to load the saved state from IndexedDB", e);
-  }
-
-  if (previousSerializedState != null) {
-    webamp.__loadSerializedState(previousSerializedState);
-  }
-
-  async function persist() {
-    const serializedState = webamp.__getSerializedState();
-    try {
-      await localStore.set(LOCAL_STORAGE_KEY, serializedState);
-    } catch (e) {
-      console.log("Failed to save our state to IndexedDB", e);
-    }
-  }
-
-  webamp.__onStateChange(throttle(persist, 1000));
-}
diff --git a/package.json b/package.json
index f6badeb8..a7468b3b 100644
--- a/package.json
+++ b/package.json
@@ -104,7 +104,6 @@
     "html-webpack-inline-svg-plugin": "^1.2.4",
     "html-webpack-plugin": "^3.2.0",
     "http-server": "^0.11.1",
-    "idb-kv-store": "^4.4.0",
     "imagemin": "^6.1.0",
     "imagemin-optipng": "^6.0.0",
     "invariant": "^2.2.3",
diff --git a/yarn.lock b/yarn.lock
index 067134e7..b3d3b2f1 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5501,13 +5501,6 @@ icss-utils@^2.1.0:
   dependencies:
     postcss "^6.0.1"
 
-idb-kv-store@^4.4.0:
-  version "4.4.0"
-  resolved "https://registry.yarnpkg.com/idb-kv-store/-/idb-kv-store-4.4.0.tgz#22c56a8d5f90bd88f818a859db9c58627de278be"
-  dependencies:
-    inherits "^2.0.3"
-    promisize "^1.1.2"
-
 ieee754@^1.1.4:
   version "1.1.8"
   resolved "https://registry.yarnpkg.com/ieee754/-/ieee754-1.1.8.tgz#be33d40ac10ef1926701f6f08a2d86fbfd1ad3e4"
@@ -8746,10 +8739,6 @@ promise@^7.1.1:
   dependencies:
     asap "~2.0.3"
 
-promisize@^1.1.2:
-  version "1.1.2"
-  resolved "https://registry.yarnpkg.com/promisize/-/promisize-1.1.2.tgz#9b47e2cb2ae497eb1ebadc2c4191d64d15c949d1"
-
 prompts@^2.0.1:
   version "2.0.3"
   resolved "https://registry.yarnpkg.com/prompts/-/prompts-2.0.3.tgz#c5ccb324010b2e8f74752aadceeb57134c1d2522"