npm WARN prepublish-on-install As of npm@5, `prepublish` scripts are deprecated.
npm WARN prepublish-on-install Use `prepare` for build steps and `prepublishOnly` for upload-only.
npm WARN prepublish-on-install See the deprecation note in `npm help scripts` for more information.

> rc-animate@2.9.2 prepublish /Users/holgerfrohloff/projects/OSS/animate
> rc-tools run guard

(node:8838) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 SIGINT listeners added to [process]. Use emitter.setMaxListeners() to increase limit
rc-tools run guard
fs.js:27
const { Math, Object } = primordials;
                         ^

ReferenceError: primordials is not defined
    at fs.js:27:26
    at req_ (/Users/holgerfrohloff/projects/OSS/animate/node_modules/natives/index.js:143:24)
    at Object.req [as require] (/Users/holgerfrohloff/projects/OSS/animate/node_modules/natives/index.js:55:10)
    at Object.<anonymous> (/Users/holgerfrohloff/projects/OSS/animate/node_modules/graceful-fs/fs.js:1:37)
    at Module._compile (internal/modules/cjs/loader.js:774:30)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:785:10)
    at Module.load (internal/modules/cjs/loader.js:641:32)
    at Function.Module._load (internal/modules/cjs/loader.js:556:12)
    at Module.require (internal/modules/cjs/loader.js:681:19)
    at require (internal/modules/cjs/helpers.js:16:16)
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! rc-animate@2.9.2 prepublish: `rc-tools run guard`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the rc-animate@2.9.2 prepublish script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

npm ERR! A complete log of this run can be found in:
npm ERR!     /Users/holgerfrohloff/.npm/_logs/2019-08-26T09_18_16_243Z-debug.log