5d927b73e6
Previously, I messily combined promises and callbacks because I thought we were affected by the microtask issue: https://github.com/gasi/idb#iteratecursor--iteratekeycursor ESLint’s `more/no-then` encouraged me to revisit this and it works as expected.
39 lines
1.4 KiB
JavaScript
39 lines
1.4 KiB
JavaScript
const idb = require('idb');
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const Message = require('../../types/message');
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exports.run = async (transaction) => {
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const db = idb.upgradeDBFromTransaction(transaction);
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const tx = db.transaction;
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const messagesStore = tx.objectStore('messages');
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console.log('Initialize messages schema version');
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await exports._initializeMessageSchemaVersion(messagesStore);
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console.log('Create index from attachment schema version to attachment');
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messagesStore.createIndex('schemaVersion', 'schemaVersion', { unique: false });
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await db.transaction.complete;
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};
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// NOTE: We disable `no-await-in-loop` because we want this migration to happen
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// in sequence and not in parallel:
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// https://eslint.org/docs/rules/no-await-in-loop#when-not-to-use-it
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exports._initializeMessageSchemaVersion = async (messagesStore) => {
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let cursor = await messagesStore.openCursor();
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while (cursor) {
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const message = cursor.value;
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console.log('Initialize schema version for message:', message.id);
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const messageWithSchemaVersion = Message.initializeSchemaVersion(message);
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try {
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// eslint-disable-next-line no-await-in-loop
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await messagesStore.put(messageWithSchemaVersion, message.id);
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} catch (error) {
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console.log('Failed to put message with initialized schema version:', message.id);
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}
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// eslint-disable-next-line no-await-in-loop
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cursor = await cursor.continue();
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}
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};
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