klz-cables.com/.pnpm-store/v10/files/25/3e8598270a775377f541171ba3ab19b05bdaf39853f6e23eec5e101e4d92b45a7252748cfcc993d4c5b35240c2a646b06fb7bb9d4c35b9f7dc331308ec0ca5

import fs from 'fs';
import path from 'path';
import { dynamicImport } from '../../utilities/dynamicImport.js';
/**
 * Get predefined migration 'up', 'down' and 'imports'.
 *
 * Supports two import methods:
 * 1. @payloadcms/db-* packages: Loads from adapter's predefinedMigrations folder directly (no package.json export needed)
 *    Example: `--file @payloadcms/db-mongodb/relationships-v2-v3`
 * 2. Any other package/path: Uses dynamic import via package.json exports or absolute file paths
 *    Example: `--file @payloadcms/plugin-seo/someMigration` or `--file /absolute/path/to/migration.ts`
 */ export const getPredefinedMigration = async ({ dirname, file, migrationName: migrationNameArg, payload })=>{
    const importPath = file ?? migrationNameArg;
    // Path 1: @payloadcms/db-* adapters - load directly from predefinedMigrations folder
    // These don't need package.json exports; files are resolved relative to adapter's dirname
    if (importPath?.startsWith('@payloadcms/db-')) {
        const migrationName = importPath.split('/').slice(2).join('/');
        let cleanPath = path.join(dirname, `./predefinedMigrations/${migrationName}`);
        if (fs.existsSync(`${cleanPath}.mjs`)) {
            cleanPath = `${cleanPath}.mjs`;
        } else if (fs.existsSync(`${cleanPath}.js`)) {
            cleanPath = `${cleanPath}.js`;
        } else if (fs.existsSync(`${cleanPath}.ts`)) {
            // Support .ts in development when running from source
            cleanPath = `${cleanPath}.ts`;
        } else {
            payload.logger.error({
                msg: `Canned migration ${migrationName} not found.`
            });
            process.exit(1);
        }
        cleanPath = cleanPath.replaceAll('\\', '/');
        try {
            const { downSQL, dynamic, imports, upSQL } = await dynamicImport(cleanPath);
            return {
                downSQL,
                dynamic,
                imports,
                upSQL
            };
        } catch (err) {
            payload.logger.error({
                err,
                msg: `Error loading predefined migration ${migrationName}`
            });
            process.exit(1);
        }
    } else if (importPath) {
        // Path 2: Any other package or file path - use dynamic import
        // Supports: package.json exports (e.g. @payloadcms/plugin-seo/migration) or absolute file paths
        try {
            const { downSQL, dynamic, imports, upSQL } = await dynamicImport(importPath);
            return {
                downSQL,
                dynamic,
                imports,
                upSQL
            };
        } catch (_err) {
            if (importPath?.includes('/')) {
                // We can assume that the intent was to import a file, thus we throw an error.
                throw new Error(`Error importing migration file from ${importPath}`);
            }
            // Silently fail. If the migration cannot be imported, it will be created as a blank migration and the import path will be used as the migration name.
            return {};
        }
    }
    return {};
};

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