Add session-based history for queued items.

source/background.ts

@@ -1,6 +1,6 @@
 import browser, {Menus} from 'webextension-polyfill';
 
-import {error} from './utilities/log';
+import {debug, error} from './utilities/log';
 import {getManifest, updateBadge} from './utilities/browser';
 import {versionAsNumber} from './utilities/version';
 import Settings from './utilities/settings';
@@ -9,6 +9,11 @@ import {Queue} from './types.d';
 
 let timeoutID: number | null = null;
 
+browser.runtime.onStartup.addListener(async () => {
+  debug('Removing history from local storage');
+  await browser.storage.local.remove('history');
+});
+
 browser.browserAction.onClicked.addListener(async () => {
   const settings = await Settings.get();
 

source/manifest.json

@@ -3,7 +3,7 @@
   "manifest_version": 2,
   "name": "Queue",
   "description": "A WebExtension for queueing links.",
-  "version": "0.1.8",
+  "version": "0.1.9",
   "permissions": [
     "contextMenus",
     "storage",

source/scss/components/_page-main.scss

@@ -51,6 +51,7 @@
   }
 }
 
+.history,
 .usage {
   border: 1px solid var(--df-2);
 
@@ -75,7 +76,17 @@
       color: var(--db-1);
     }
   }
+}
 
+.history {
+  margin-bottom: 16px;
+
+  .q-list {
+    border: none;
+  }
+}
+
+.usage {
   ul {
     list-style: square;
     margin: 4px 0 2rem 16px;

source/settings-page.ts

@@ -8,6 +8,10 @@ import Settings from './utilities/settings';
 
 window.addEventListener('DOMContentLoaded', async () => {
   window.HollloQueue = {
+    clearHistory: async () => {
+      debug('Clearing history');
+      await browser.storage.local.remove('history');
+    },
     dumpBackup: async () => {
       debug(JSON.stringify(await browser.storage.local.get(), null, 2));
     },
@@ -28,10 +32,12 @@ window.addEventListener('DOMContentLoaded', async () => {
     await settings.save();
   }
 
+  const history = await browser.storage.local.get({history: []});
+
   render(
     html`
       <${PageHeader} />
-      <${PageMain} settings=${settings} />
+      <${PageMain} history=${history.history} settings=${settings} />
       <${PageFooter}
         manifest=${manifest}
         showVersionUpdated=${showVersionUpdated}

source/types.d.ts

@@ -5,6 +5,7 @@ import browser from 'webextension-polyfill';
 export {};
 
 type HollloQueue = {
+  clearHistory: () => Promise<void>;
   dumpBackup: () => Promise<void>;
   dumpSettings: () => Promise<void>;
 };

source/utilities/components/page-main.ts

@@ -7,6 +7,7 @@ import {Link} from './link';
 import {ConfirmButton} from './confirm-button';
 
 type MainProps = {
+  history: Queue.Item[];
   settings: Settings;
 };
 
@@ -37,12 +38,29 @@ export class PageMain extends Component<MainProps, MainState> {
       queueItems.push(html`<li>No items queued. 🤷</li>`);
     }
 
+    const historyItems: Queue.Component[] = this.props.history
+      .sort((a, b) => b.added.getTime() - a.added.getTime())
+      .map((item) => html`<${Item} item=${item} />`);
+
+    let history: Queue.Component | undefined;
+    if (historyItems.length > 0) {
+      history = html`<details class="history">
+        <summary>Queue history</summary>
+
+        <ul class="q-list">
+          ${historyItems}
+        </ul>
+      </details>`;
+    }
+
     return html`
       <main class="page-main">
         <ul class="q-list">
           ${queueItems}
         </ul>
 
+        ${history}
+
         <details class="usage">
           <summary>How do I use Queue?</summary>
 
@@ -87,12 +105,24 @@ export class PageMain extends Component<MainProps, MainState> {
 
 type ItemProps = {
   item: Queue.Item;
-  remove: (id: number) => Promise<void>;
+  remove?: (id: number) => Promise<void>;
 };
 
 function Item(props: ItemProps): Queue.Component {
   const added = props.item.added.toLocaleString();
   const {id, text, url} = props.item;
+  let remove;
+  if (props.remove !== undefined) {
+    remove = html`<${ConfirmButton}
+      class="confirm-button"
+      clickHandler=${async () => props.remove!(id)}
+      confirmClass="confirm"
+      confirmText="✓"
+      text="✗"
+      timeout=${5 * 1000}
+      title="Remove"
+    />`;
+  }
 
   return html`
     <li class="q-item">
@@ -100,17 +130,7 @@ function Item(props: ItemProps): Queue.Component {
         <${Link} text=${text ?? url} url=${url} />
       </p>
 
-      <div class="buttons">
-        <${ConfirmButton}
-          class="confirm-button"
-          clickHandler=${async () => props.remove(id)}
-          confirmClass="confirm"
-          confirmText="✓"
-          text="✗"
-          timeout=${5 * 1000}
-          title="Remove"
-        />
-      </div>
+      <div class="buttons">${remove}</div>
 
       <p>
         <time datetime=${added} title="Link queued on ${added}.">

source/utilities/settings.ts

@@ -89,7 +89,19 @@ export default class Settings implements ISettings {
       return;
     }
 
-    this.queue.splice(index, 1);
+    const removed = this.queue.splice(index, 1);
+    const history = (
+      (await browser.storage.local.get({history: []})) as {
+        history: Queue.Item[];
+      }
+    ).history;
+
+    history.push(removed[0]);
+    for (const [index, item] of history.entries()) {
+      item.id = index;
+    }
+
+    await browser.storage.local.set({history});
     await browser.storage.sync.remove('qi' + id.toString());
   }
 }