Files
Gemini-Search/node_modules/drizzle-orm/migrator.js
Ammaar Reshi d6025af146 Initial commit
2025-01-04 14:06:53 +00:00

34 lines
1.2 KiB
JavaScript

import crypto from "node:crypto";
import fs from "node:fs";
function readMigrationFiles(config) {
const migrationFolderTo = config.migrationsFolder;
const migrationQueries = [];
const journalPath = `${migrationFolderTo}/meta/_journal.json`;
if (!fs.existsSync(journalPath)) {
throw new Error(`Can't find meta/_journal.json file`);
}
const journalAsString = fs.readFileSync(`${migrationFolderTo}/meta/_journal.json`).toString();
const journal = JSON.parse(journalAsString);
for (const journalEntry of journal.entries) {
const migrationPath = `${migrationFolderTo}/${journalEntry.tag}.sql`;
try {
const query = fs.readFileSync(`${migrationFolderTo}/${journalEntry.tag}.sql`).toString();
const result = query.split("--> statement-breakpoint").map((it) => {
return it;
});
migrationQueries.push({
sql: result,
bps: journalEntry.breakpoints,
folderMillis: journalEntry.when,
hash: crypto.createHash("sha256").update(query).digest("hex")
});
} catch {
throw new Error(`No file ${migrationPath} found in ${migrationFolderTo} folder`);
}
}
return migrationQueries;
}
export {
readMigrationFiles
};
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