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import type { InStatement } from '@libsql/client';
import { createClient } from '@libsql/client';
import type { LibSQLDatabase } from 'drizzle-orm/libsql';
import { drizzle as drizzleLibsql } from 'drizzle-orm/libsql';
import { drizzle as drizzleProxy } from 'drizzle-orm/sqlite-proxy';
import { z } from 'zod';
const isWebContainer = !!process.versions?.webcontainer;
export function createLocalDatabaseClient({ dbUrl }: { dbUrl: string }): LibSQLDatabase {
const url = isWebContainer ? 'file:content.db' : dbUrl;
const client = createClient({ url });
const db = drizzleLibsql(client);
return db;
}
export function createRemoteDatabaseClient(appToken: string, remoteDbURL: string) {
const url = new URL('/db/query', remoteDbURL);
const db = drizzleProxy(async (sql, parameters, method) => {
const requestBody: InStatement = { sql, args: parameters };
const res = await fetch(url, {
method: 'POST',
headers: {
Authorization: `Bearer ${appToken}`,
'Content-Type': 'application/json',
},
body: JSON.stringify(requestBody),
});
if (!res.ok) {
throw new Error(
`Failed to execute query.\nQuery: ${sql}\nFull error: ${res.status} ${await res.text()}}`
);
}
const queryResultSchema = z.object({
rows: z.array(z.unknown()),
});
let rows: unknown[];
try {
const json = await res.json();
rows = queryResultSchema.parse(json).rows;
} catch (e) {
throw new Error(
`Failed to execute query.\nQuery: ${sql}\nFull error: Unexpected JSON response. ${
e instanceof Error ? e.message : String(e)
}`
);
}
// Drizzle expects each row as an array of its values
const rowValues: unknown[][] = [];
for (const row of rows) {
if (row != null && typeof row === 'object') {
rowValues.push(Object.values(row));
}
}
if (method === 'get') {
return { rows: rowValues[0] };
}
return { rows: rowValues };
});
(db as any).batch = (_drizzleQueries: Array<Promise<unknown>>) => {
throw new Error('db.batch() is not currently supported.');
};
return db;
}
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