npm ls有很多missing和deduped包，详情如下，怎么解决

Question

yargs-parser@9.0.2 deduped

npm ERR! missing: mkdirp@0.5.1, required by node-pre-gyp@0.10.0

npm ERR! missing: minimist@0.0.8, required by mkdirp@0.5.1

UNMET OPTIONAL DEPENDENCY safer-buffer@2.1.2