问题
This is an error with npm itself. Please report this error at: https://npm.community
npm ERR! code EINVALIDTYPE npm ERR! typeerror Error: Argument #5: Expected object but got string npm ERR! typeerror at inflatableChild (C:\Program Files\nodejs\node_modules\npm\lib\install\inflate-shrinkwrap.js:93:3) npm ERR! typeerror at C:\Program Files\nodejs\node_modules\npm\lib\install\inflate-shrinkwrap.js:55:12 npm ERR! typeerror at tryCatcher (C:\Program Files\nodejs\node_modules\npm\node_modules\bluebird\js\release\util.js:16:23) npm ERR! typeerror at Object.gotValue (C:\Program Files\nodejs\node_modules\npm\node_modules\bluebird\js\release\reduce.js:155:18) npm ERR! typeerror at Object.gotAccum (C:\Program Files\nodejs\node_modules\npm\node_modules\bluebird\js\release\reduce.js:144:25) npm ERR! typeerror at Object.tryCatcher (C:\Program Files\nodejs\node_modules\npm\node_modules\bluebird\js\release\util.js:16:23) npm ERR! typeerror at Promise._settlePromiseFromHandler (C:\Program Files\nodejs\node_modules\npm\node_modules\bluebird\js\release\promise.js:512:31) npm ERR! typeerror at Promise._settlePromise (C:\Program Files\nodejs\node_modules\npm\node_modules\bluebird\js\release\promise.js:569:18) npm ERR! typeerror at Promise._settlePromise0 (C:\Program Files\nodejs\node_modules\npm\node_modules\bluebird\js\release\promise.js:614:10) npm ERR! typeerror at Promise._settlePromises (C:\Program Files\nodejs\node_modules\npm\node_modules\bluebird\js\release\promise.js:694:18) npm ERR! typeerror at _drainQueueStep (C:\Program Files\nodejs\node_modules\npm\node_modules\bluebird\js\release\async.js:138:12) npm ERR! typeerror at _drainQueue (C:\Program Files\nodejs\node_modules\npm\node_modules\bluebird\js\release\async.js:131:9) npm ERR! typeerror at Async._drainQueues (C:\Program Files\nodejs\node_modules\npm\node_modules\bluebird\js\release\async.js:147:5) npm ERR! typeerror at Immediate.Async.drainQueues [as _onImmediate] (C:\Program Files\nodejs\node_modules\npm\node_modules\bluebird\js\release\async.js:17:14) npm ERR! typeerror at processImmediate (internal/timers.js:439:21) npm ERR! typeerror This is an error with npm itself. Please report this error at: npm ERR! typeerror https://npm.community
node 12.6.0 npm 6.9.0
回答1:
Try to use LTS version not current version. Right now LTS of node is 10.16.0 and the current version is 12.6.0. 
LTS tend to be more stable and have less bug because is stable version
Then when you installed is done try to run
npm cache clean --force
Then remove package-lock.json 
Delete node_modules folder
Then run npm i
回答2:
Try this:
1- remove node_modules folder 2- npm cache clean --force 3- npm install
来源:https://stackoverflow.com/questions/56928461/npm-packages-not-installing-getting-this-error