import copy from 'recursive-copy' import {deleteSync} from 'del'; const baseDir = `node_modules/cesium/Build/CesiumUnminified` const targets = [ 'Assets/**/*', 'ThirdParty/**/*', 'Widgets/**/*', 'Workers/**/*', 'Cesium.js', ] deleteSync(targets.map((src) => `public/lib/cesium/${src}`)) copy(baseDir, `public/lib/cesium`, { expand: true, overwrite: true, filter: targets })