Same, received this error.
The full log is too long to post here.
2473 silly pacote range manifest for ts-node@~7.0.0 fetched in 23ms
2474 silly resolveWithNewModule ts-node@7.0.1 checking installable status
2475 silly pacote range manifest for tslint@~5.15.0 fetched in 19ms
2476 silly resolveWithNewModule tslint@5.15.0 checking installable status
2477 silly pacote range manifest for typescript@~3.4.3 fetched in 20ms
2478 silly resolveWithNewModule typescript@3.4.5 checking installable status
2479 http fetch GET 304 https://registry.npmjs.org/@angular%2fcompiler 132ms (from cache)
2480 silly fetchPackageMetaData error for @angular/compiler@~8.2.14 Unexpected end of JSON input while parsing near '...PEoRwOKujGhqr8zgLGlNc'
2481 timing stage:rollbackFailedOptional Completed in 3ms
2482 timing stage:runTopLevelLifecycles Completed in 26364ms
2483 silly saveTree tmp-ng@0.0.1
2483 silly saveTree ├── @angular-devkit/build-angular@0.803.25
2483 silly saveTree ├── @angular/cli@8.3.25
2483 silly saveTree ├─┬ @angular/common@8.2.14
2483 silly saveTree │ └── tslib@1.11.1
2483 silly saveTree ├── @angular/compiler-cli@8.2.14
2483 silly saveTree ├── @angular/core@8.2.14
2483 silly saveTree ├── @angular/forms@8.2.14
2483 silly saveTree ├── @angular/language-service@8.2.14
2483 silly saveTree ├── @angular/platform-browser-dynamic@8.2.14
2483 silly saveTree ├── @angular/platform-browser@8.2.14
2483 silly saveTree ├── @angular/router@8.2.14
2483 silly saveTree ├─┬ @ionic-native/core@5.23.0
2483 silly saveTree │ └── @types/cordova@0.0.34
2483 silly saveTree ├── @ionic-native/splash-screen@5.23.0
2483 silly saveTree ├── @ionic-native/status-bar@5.23.0
2483 silly saveTree ├── @ionic/angular-toolkit@2.2.0
2483 silly saveTree ├─┬ @ionic/angular@5.0.6
2483 silly saveTree │ └─┬ @ionic/core@5.0.6
2483 silly saveTree │ └── ionicons@5.0.1
2483 silly saveTree ├── @types/jasmine@3.3.16
2483 silly saveTree ├── @types/jasminewd2@2.0.8
2483 silly saveTree ├── @types/node@8.9.5
2483 silly saveTree ├── codelyzer@5.2.1
2483 silly saveTree ├── core-js@2.6.11
2483 silly saveTree ├── jasmine-core@3.4.0
2483 silly saveTree ├── jasmine-spec-reporter@4.2.1
2483 silly saveTree ├── karma-chrome-launcher@2.2.0
2483 silly saveTree ├── karma-coverage-istanbul-reporter@2.0.6
2483 silly saveTree ├── karma-jasmine-html-reporter@1.5.3
2483 silly saveTree ├── karma-jasmine@2.0.1
2483 silly saveTree ├── karma@4.1.0
2483 silly saveTree ├── protractor@5.4.3
2483 silly saveTree ├── rxjs@6.5.4
2483 silly saveTree ├── ts-node@7.0.1
2483 silly saveTree ├── tslib@1.11.1
2483 silly saveTree ├── tslint@5.15.0
2483 silly saveTree ├── typescript@3.4.5
2483 silly saveTree └── zone.js@0.9.1
2484 verbose stack SyntaxError: Unexpected end of JSON input while parsing near '...PEoRwOKujGhqr8zgLGlNc'
2484 verbose stack at JSON.parse (<anonymous>)
2484 verbose stack at parseJson (/Users/../.nvm/versions/node/v12.16.1/lib/node_modules/npm/node_modules/json-parse-better-errors/index.js:7:17)
2484 verbose stack at /Users/../.nvm/versions/node/v12.16.1/lib/node_modules/npm/node_modules/node-fetch-npm/src/body.js:96:50
2484 verbose stack at runMicrotasks (<anonymous>)
2484 verbose stack at processTicksAndRejections (internal/process/task_queues.js:97:5)
2485 verbose cwd /Users/../Desktop/Coding/v2/tmp-ng
2486 verbose Darwin 19.3.0
2487 verbose argv "/Users/../.nvm/versions/node/v12.16.1/bin/node" "/Users/../.nvm/versions/node/v12.16.1/bin/npm" "i"
2488 verbose node v12.16.1
2489 verbose npm v6.14.4
2490 error Unexpected end of JSON input while parsing near '...PEoRwOKujGhqr8zgLGlNc'
2491 verbose exit [ 1, true ]