openOutpaint/js/lib/db.js

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const idb = window.indexedDB.open("openoutpaint", 2);
idb.onerror = (e) => {
console.warn("[stamp] Failed to connect to IndexedDB");
console.warn(e);
};
idb.onupgradeneeded = (e) => {
const db = e.target.result;
console.debug(`[stamp] Setting up database version ${db.version}`);
if (e.oldVersion < 1) {
// Resources Store
const resourcesStore = db.createObjectStore("resources", {
keyPath: "id",
});
resourcesStore.createIndex("name", "name", {unique: false});
}
// Workspaces Store
const workspacesStore = db.createObjectStore("workspaces", {
keyPath: "id",
});
workspacesStore.createIndex("name", "name", {unique: false});
};
/** @type {IDBDatabase} */
let db = null;
/** @type {Observer<{db: IDBDatabase}>} */
const ondatabaseload = new Observer();
idb.onsuccess = (e) => {
db = e.target.result;
ondatabaseload.emit({db});
};