@struktoai/mirage-core/dist/vfs/postgres/config.js

A Unified Virtual Filesystem For AI Agents

// ========= Copyright 2026 @ Strukto.AI All Rights Reserved. =========
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// ========= Copyright 2026 @ Strukto.AI All Rights Reserved. =========
import { z } from 'zod';
import { timeoutShape } from "../../core/api/config.js";
import { DEFAULT_TIMEOUT } from "../../core/api/constants.js";
import { REDACTED_SECRET, secretStr } from "../secrets.js";
// `dsn` is the credential, so it carries the secret marker the redactor
// reads; the rest are the knobs python's `PostgresConfig` declares.
export const PostgresConfig = z.object({
    ...timeoutShape,
    dsn: secretStr().describe("Postgres connection string. The default browser driver connects over Neon's HTTP transport, so a browser mount needs a Neon connection string."),
    schemas: z
        .array(z.string())
        .readonly()
        .optional()
        .describe('Schemas to show in the tree; others are hidden. Unset shows every schema except `pg_catalog`, `information_schema` and `pg_*`.'),
    defaultRowLimit: z.number().optional().meta({
        description: 'Rows a windowed read returns when it passes an offset but no limit, and the rows one page of a streamed `rows.jsonl` fetches.',
        default: 1000,
    }),
    maxReadRows: z.number().optional().meta({
        description: 'Most rows one read returns. A whole read past it is refused, and so is a `head -n` / `tail -n` count past it on a table that long (`File too large`); `wc -l` counts past it.',
        default: 10_000,
    }),
    maxReadBytes: z
        .number()
        .optional()
        .meta({
        description: 'Most bytes of `rows.jsonl` one read returns; a whole read past it is refused (`File too large`).',
        default: 10 * 1024 * 1024,
    }),
});
export function resolvePostgresConfig(config) {
    return {
        timeout: config.timeout ?? DEFAULT_TIMEOUT,
        dsn: config.dsn,
        schemas: config.schemas ?? null,
        defaultRowLimit: config.defaultRowLimit ?? 1000,
        maxReadRows: config.maxReadRows ?? 10_000,
        maxReadBytes: config.maxReadBytes ?? 10 * 1024 * 1024,
    };
}
export function redactPostgresConfig(config) {
    return { ...config, dsn: REDACTED_SECRET };
}
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