import { join } from 'path' import promisify from '../../lib/promisify' import fs from 'fs' import { IS_BUNDLED_PAGE_REGEX } from '../../lib/constants' const unlink = promisify(fs.unlink) export default class UnlinkFilePlugin { constructor () { this.prevAssets = {} } apply (compiler) { compiler.plugin('after-emit', (compilation, callback) => { const removed = Object.keys(this.prevAssets) .filter((a) => IS_BUNDLED_PAGE_REGEX.test(a) && !compilation.assets[a]) this.prevAssets = compilation.assets Promise.all(removed.map(async (f) => { const path = join(compiler.outputPath, f) try { await unlink(path) } catch (err) { if (err.code === 'ENOENT') return throw err } })) .then(() => callback(), callback) }) } }