@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_ENDPOINT } from '../../utils/frameworks_api.js';
const coreStep = async ({ buildDir, packagePath }) => {
    const dirs = [...getBlobsDirs(buildDir, packagePath), resolve(buildDir, packagePath || '', FRAMEWORKS_API_ENDPOINT)];
    try {
        await Promise.all(dirs.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,
};