46 lines
1.5 KiB
JavaScript
46 lines
1.5 KiB
JavaScript
/**
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* @description - Function will create a database with the supplied name
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* and also create an object store with the specified name.
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* If a db with the name dbName exists, this will raze the
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* existing DB beforehand.
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* @param {string} dbName
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* @param {string} objectStoreName
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* @param {testCase} t
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* @returns {Promise} - A promise that resolves to an indexedDB open request
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*/
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function createDB(dbName, objectStoreName, t) {
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return new Promise((resolve, reject) => {
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const openRequest = indexedDB.open(dbName);
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t.add_cleanup(() => {
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indexedDB.deleteDatabase(dbName);
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});
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openRequest.onerror = () => {
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reject(openRequest.error);
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};
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openRequest.onsuccess = () => {
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resolve(openRequest.result);
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};
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openRequest.onupgradeneeded = (event) => {
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openRequest.result.createObjectStore(objectStoreName);
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};
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});
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}
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/**
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* @description - This function will wrap an IDBTransaction in a promise,
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* resolving in the oncomplete() method and rejecting with the
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* transaction error in the onabort() case.
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* @param {IDBTransaction} transaction - The transaction to wrap in a promise.
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* @returns {Promise} - A promise that resolves when the transaction is either
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* aborted or completed.
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*/
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function transactionPromise(transaction) {
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return new Promise((resolve, reject) => {
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transaction.onabort = () => {
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reject(transaction.error);
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};
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transaction.oncomplete = () => {
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resolve();
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};
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});
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}
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