everything-dev/dist/cli/db-doctor.mjs

A consolidated product package for building Module Federation apps with oRPC APIs.

import { extractExpectedTables, getMigrationStorage, pluginMigrationSlug } from "../db.mjs";
import { existsSync, readFileSync } from "node:fs";
import { join, resolve } from "node:path";
import { createHash } from "node:crypto";

//#region src/cli/db-doctor.ts
function hashFile(raw) {
	return createHash("sha256").update(raw).digest("hex");
}
function readLocalMigrations(workspaceDir) {
	const migrationsDir = resolve(workspaceDir, "src/db/migrations");
	const journalPath = join(join(migrationsDir, "meta"), "_journal.json");
	if (!existsSync(journalPath)) return [];
	return JSON.parse(readFileSync(journalPath, "utf8")).entries.map((entry) => {
		const sqlPath = join(migrationsDir, `${entry.tag}.sql`);
		if (!existsSync(sqlPath)) return {
			tag: entry.tag,
			hash: "",
			sql: []
		};
		const raw = readFileSync(sqlPath, "utf8");
		const sql = raw.split("--> statement-breakpoint").map((s) => s.trim());
		return {
			tag: entry.tag,
			hash: hashFile(raw),
			sql
		};
	});
}
async function diagnosePlugin(info) {
	const { Pool } = await import("../node_modules/pg/esm/index.mjs");
	const slug = pluginMigrationSlug(info.key);
	const storage = getMigrationStorage(slug);
	const journalTable = storage.table;
	const journalSchema = storage.schema;
	const journalRef = `"${journalSchema}"."${journalTable}"`;
	const localMigrations = info.workspaceDir ? readLocalMigrations(info.workspaceDir) : [];
	const expectedTables = extractExpectedTables(localMigrations);
	const localHashes = localMigrations.map((m) => m.hash).filter(Boolean);
	const migrationHashes = localHashes;
	const pool = new Pool({
		connectionString: info.databaseUrl,
		ssl: info.databaseUrl.includes("localhost") || info.databaseUrl.includes("127.0.0.1") ? false : { rejectUnauthorized: false },
		max: 1,
		connectionTimeoutMillis: 1e4
	});
	try {
		const journalExists = await pool.query(`
      SELECT EXISTS (
        SELECT 1 FROM information_schema.tables
        WHERE table_schema = '${journalSchema}' AND table_name = '${journalTable}'
      ) AS exists
    `);
		let appliedHashCount = 0;
		if (journalExists.rows[0]?.exists) appliedHashCount = (await pool.query(`SELECT hash FROM ${journalRef}`)).rows.length;
		let missingTables = [];
		if (expectedTables.length > 0) {
			const tableResult = await pool.query(`
        SELECT table_name FROM information_schema.tables
        WHERE table_schema = 'public'
          AND table_name = ANY($1)
      `, [expectedTables]);
			const existing = new Set(tableResult.rows.map((r) => r.table_name));
			missingTables = expectedTables.filter((t) => !existing.has(t));
		}
		let diagnosis;
		if (localMigrations.length === 0) diagnosis = "no-local-migrations";
		else if (appliedHashCount === 0 && missingTables.length === 0 && localHashes.length > 0) diagnosis = "untracked-existing-schema";
		else if (appliedHashCount === 0 && localHashes.length > 0) diagnosis = "unapplied";
		else if (missingTables.length === 0) diagnosis = "healthy";
		else if (missingTables.length === expectedTables.length) diagnosis = "drift-safe-repair";
		else diagnosis = "drift-manual";
		const masked = info.databaseUrl.replace(/\/\/[^:]+:[^@]+@/, "//***:***@");
		return {
			plugin: info.key,
			slug,
			journalTable,
			journalSchema,
			dbSecret: info.databaseSecret,
			dbUrl: masked,
			workspaceDir: info.workspaceDir,
			localMigrationCount: localMigrations.length,
			appliedHashCount,
			expectedTables,
			missingTables,
			migrationHashes,
			diagnosis
		};
	} catch (error) {
		return {
			plugin: info.key,
			slug,
			journalTable,
			journalSchema,
			dbSecret: info.databaseSecret,
			dbUrl: info.databaseUrl.replace(/\/\/[^:]+:[^@]+@/, "//***:***@"),
			workspaceDir: info.workspaceDir,
			localMigrationCount: localMigrations.length,
			appliedHashCount: 0,
			expectedTables,
			missingTables: [],
			migrationHashes: [],
			diagnosis: "error",
			error: error instanceof Error ? error.message : String(error)
		};
	} finally {
		await pool.end().catch(() => {});
	}
}

//#endregion
export { diagnosePlugin };
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