File: storage-indexeddb-simple.html

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<!doctype html>
<html>
<head>
  <meta charset="utf-8">
  <title>Storage inspector test for indexedDB - simple</title>
</head>

<body>
  <h1>IndexedDB storage - simple</h1>

<script>
"use strict";

const DB_NAME = "db";
let db;
async function setup() { // eslint-disable-line no-unused-vars
  await new Promise((resolve, reject) => {
    const request = indexedDB.open(DB_NAME, 1);
    request.onerror = () => reject(Error("Error opening DB"));
    request.onupgradeneeded = event => {
      db = event.target.result;
      const store = db.createObjectStore("store", { keyPath: "key" });
      store.add({key: "lorem", value: "ipsum"});
      store.transaction.oncomplete = () => resolve(db);
    }
  });
}

async function clear() { // eslint-disable-line no-unused-vars
  await new Promise((resolve, reject) => {
    if (db) {
      db.close();
    }
    const request = indexedDB.deleteDatabase(DB_NAME)
    request.onsuccess = resolve;
    request.onerror = () => reject(Error("Error deleting DB"));
  });
}
</script>
</body>
</html>