@netlify/build/lib/plugins_core/db_setup/utils.js

Netlify build module

import { readdir, stat } from 'node:fs/promises';
import { join, resolve } from 'node:path';
import { pathExists } from 'path-exists';
// TODO: Remove once we drop support for the legacy `netlify/db/migrations` directory.
const LEGACY_DB_MIGRATIONS_SRC = 'netlify/db/migrations';
/**
 * Returns the effective migrations source directory for the current build.
 *
 * If the user has set `database.migrations.path` in their config, or the new
 * default `netlify/database/migrations` directory exists, that value will have
 * been populated into `constants.DB_MIGRATIONS_SRC` upstream. If not, we fall
 * back to the legacy `netlify/db/migrations` directory for backwards
 * compatibility.
 */
// TODO: Remove the legacy fallback once we drop support for `netlify/db/migrations`.
export const getMigrationsSrc = async (buildDir, configuredSrc) => {
    if (configuredSrc) {
        return configuredSrc;
    }
    if (await pathExists(resolve(buildDir, LEGACY_DB_MIGRATIONS_SRC))) {
        return LEGACY_DB_MIGRATIONS_SRC;
    }
    return undefined;
};
export const readMigrationEntries = async (buildDir, migrationsSrc) => {
    const empty = { dirNames: [], fileNames: [] };
    if (!migrationsSrc) {
        return empty;
    }
    const srcDir = resolve(buildDir, migrationsSrc);
    if (!(await pathExists(srcDir))) {
        return empty;
    }
    const entries = await readdir(srcDir);
    const dirNames = [];
    const fileNames = [];
    for (const entry of entries) {
        const entryStat = await stat(join(srcDir, entry));
        if (entryStat.isDirectory()) {
            dirNames.push(entry);
        }
        else if (entry.endsWith('.sql')) {
            fileNames.push(entry);
        }
    }
    return { dirNames, fileNames };
};
export const getMigrationNames = ({ dirNames, fileNames }) => [
    ...dirNames,
    ...fileNames.map((f) => f.replace(/\.sql$/, '')),
];