@netlify/build/lib/plugins_core/pre_cleanup/index.js

Netlify build module

import { rm } from 'node:fs/promises';
import { resolve } from 'node:path';
import { getBlobsDirs } from '../../utils/blobs.js';
import { FRAMEWORKS_API_PATH } from '../../utils/frameworks_api.js';
const coreStep = async ({ buildDir, constants, packagePath }) => {
    const paths = [
        ...getBlobsDirs(buildDir, packagePath),
        resolve(buildDir, packagePath || '', FRAMEWORKS_API_PATH),
        constants.DB_MIGRATIONS_DIST ? resolve(buildDir, constants.DB_MIGRATIONS_DIST) : undefined,
    ].filter((path) => Boolean(path));
    try {
        await Promise.all(paths.map((dir) => rm(dir, { recursive: true, force: true })));
    }
    catch {
        // Ignore errors if it fails, we can continue anyway.
    }
    return {};
};
export const preCleanup = {
    event: 'onPreBuild',
    coreStep,
    coreStepId: 'pre_cleanup',
    coreStepName: 'Pre cleanup',
    coreStepDescription: () => 'Cleaning up leftover files from previous builds',
    quiet: true,
};