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const assert = require("node:assert/strict");
const fs = require("node:fs");
const sqlite = require("./napi-sqlite.node");
const { difference, log } = require("./utils");
const MIGRATIONS_DIR = __dirname + "/sql/migrations/";
const MIGRATION_FILENAMES = fs.readdirSync(MIGRATIONS_DIR, "UTF-8");
let db = null;
const init = async (dbName = process.env.PAPO_DB_PATH) => {
assert(dbName);
db = await sqlite.open(dbName);
await db.exec(`
BEGIN TRANSACTION;
CREATE TABLE IF NOT EXISTS migrations (
filename TEXT PRIMARY KEY
);
COMMIT TRANSACTION;
`);
const done = await db.all(`
SELECT filename FROM migrations;
`).map(row => row.filename);
const pending = difference(
new Set(MIGRATION_FILENAMES),
new Set(done)
);
const sortedPending = [...pending].sort((a, b) => a.localeCompare(b));
await db.exec("BEGIN TRANSACTION;");
for (const filename of sortedPending) {
log({
log: "exec-migration",
filename,
});
const sql = fs.readFileSync(MIGRATIONS_DIR + filename, "UTF-8");
await db.exec(sql);
await db.run(
`INSERT INTO migrations (filename) VALUES ($filename);`,
{ filename },
);
}
await db.exec("COMMIT TRANSACTION;");
};
module.exports = {
init,
};
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