35 lines
969 B
JavaScript
35 lines
969 B
JavaScript
/* global window, Whisper */
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const Migrations0DatabaseWithAttachmentData = require('./migrations_0_database_with_attachment_data');
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exports.getPlaceholderMigrations = () => {
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const last0MigrationVersion = Migrations0DatabaseWithAttachmentData.getLatestVersion();
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return [
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{
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version: last0MigrationVersion,
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migrate() {
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throw new Error(
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'Unexpected invocation of placeholder migration!' +
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'\n\nMigrations must explicitly be run upon application startup instead' +
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' of implicitly via Backbone IndexedDB adapter at any time.'
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);
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},
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},
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];
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};
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exports.getCurrentVersion = () =>
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new Promise((resolve, reject) => {
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const request = window.indexedDB.open(Whisper.Database.id);
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request.onerror = reject;
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request.onupgradeneeded = reject;
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request.onsuccess = () => {
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const db = request.result;
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const { version } = db;
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return resolve(version);
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};
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});
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