48 lines
1.4 KiB
JavaScript
48 lines
1.4 KiB
JavaScript
/* eslint-env browser */
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const isFunction = require('lodash/isFunction');
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const isObject = require('lodash/isObject');
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const isString = require('lodash/isString');
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const { deferredToPromise } = require('../deferred_to_promise');
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const closeDatabase = name =>
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new Promise((resolve, reject) => {
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const request = window.indexedDB.open(name);
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request.onblocked = () => {
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reject(new Error(`Database '${name}' blocked`));
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};
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request.onupgradeneeded = (event) => {
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reject(new Error('Unexpected database upgraded needed:' +
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` oldVersion: ${event.oldVersion}, newVersion: ${event.newVersion}`));
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};
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request.onerror = (event) => {
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reject(event.target.error);
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};
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request.onsuccess = (event) => {
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const connection = event.target.result;
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connection.close();
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resolve();
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};
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});
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exports.runMigrations = async ({ Backbone, database } = {}) => {
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if (!isObject(Backbone) || !isObject(Backbone.Collection) ||
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!isFunction(Backbone.Collection.extend)) {
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throw new TypeError('"Backbone" is required');
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}
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if (!isObject(database) || !isString(database.id) ||
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!Array.isArray(database.migrations)) {
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throw new TypeError('"database" is required');
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}
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const migrationCollection = new (Backbone.Collection.extend({
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database,
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storeName: 'items',
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}))();
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await deferredToPromise(migrationCollection.fetch());
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await closeDatabase(database.id);
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};
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