title: Cannot install npm package in Angular project
body: <p>I clone my project from GitLab and I need to install the NPM packages in my project. </p>
  
  <p>When I run <code>npm install</code> it shows me this error:</p>
  
  <p><a href="https://i.stack.imgur.com/WNT5s.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/WNT5s.png" alt="Error"></a></p>
  
  <p>and I go to the log file and see:</p>
  
  <pre><code>30601 verbose stack SyntaxError: Unexpected end of JSON input while parsing near '...19"},"dist":{"integri'
  30601 verbose stack     at JSON.parse (&lt;anonymous&gt;)
  30601 verbose stack     at parseJson (/usr/lib/node_modules/npm/node_modules/json-parse-better-errors/index.js:7:17)
  30601 verbose stack     at /usr/lib/node_modules/npm/node_modules/node-fetch-npm/src/body.js:96:50
  30601 verbose stack     at processTicksAndRejections (internal/process/task_queues.js:97:5)
  30602 verbose cwd /home/mrcoder/Projects/Angular/Ava/PFA/pfa-front-cpl
  30603 verbose Linux 5.4.0-33-generic
  30604 verbose argv "/usr/bin/node" "/usr/bin/npm" "install"
  30605 verbose node v12.17.0
  30606 verbose npm  v6.14.4
  30607 error Unexpected end of JSON input while parsing near '...19"},"dist":{"integri'
  30608 verbose exit [ 1, true ]
  </code></pre>
  
  <p>This is my <code>package.json</code>:</p>
  
  <pre><code>{
    "name": "vex",
    "version": "9.0.0",
    "scripts": {
      "ng": "ng",
      "start": "ng serve",
      "build": "node --max_old_space_size=6144 ./node_modules/@angular/cli/bin/ng build --prod",
      "test": "ng test",
      "lint": "ng lint",
      "e2e": "ng e2e",
      "postinstall": "ngcc --properties es2015 browser module main --first-only --create-ivy-entry-points"
    },
    "private": true,
    "dependencies": {
      "@angular/animations": "~9.0.7",
      "@angular/cdk": "~9.1.3",
      "@angular/common": "~9.0.7",
      "@angular/compiler": "~9.0.7",
      "@angular/core": "~9.0.7",
      "@angular/flex-layout": "9.0.0-beta.29",
      "@angular/forms": "~9.0.7",
      "@angular/material": "~9.1.3",
      "@angular/platform-browser": "~9.0.7",
      "@angular/platform-browser-dynamic": "~9.0.7",
      "@angular/router": "~9.0.7",
      "@iconify/icons-emojione": "~1.0.5",
      "@iconify/icons-fa-brands": "~1.0.10",
      "@iconify/icons-fa-solid": "~1.0.8",
      "@iconify/icons-ic": "~1.0.9",
      "@iconify/icons-logos": "~1.0.9",
      "@ngrx/store": "^9.1.2",
      "@ngx-loading-bar/core": "~5.0.0-alpha.1",
      "@ngx-loading-bar/router": "~5.0.0-alpha.1",
      "@ngx-translate/core": "^12.1.2",
      "@visurel/iconify-angular": "^0.0.7",
      "angular-calendar": "~0.28.5",
      "angular2-promise-buttons": "^4.0.6",
      "apexcharts": "~3.17.0",
      "color": "~3.1.2",
      "date-fns": "~2.11.0",
      "highlight.js": "~9.18.1",
      "jalali-moment": "^3.3.3",
      "luxon": "~1.22.0",
      "ng2-jalali-date-picker": "^2.3.0",
      "ngx-material-file-input": "^2.1.1",
      "ngx-quill": "~8.1.0",
      "ngx-showdown": "~5.1.0",
      "ngx-take-until-destroy": "~5.4.0",
      "ngx-toastr": "^12.0.1",
      "quill": "~1.3.7",
      "rxjs": "~6.5.4",
      "showdown": "^1.9.1",
      "simplebar": "~4.2.3",
      "tailwindcss": "~1.2.0",
      "tslib": "~1.10.0",
      "zone.js": "~0.10.2"
    },
    "devDependencies": {
      "@angular-builders/custom-webpack": "~9.0.0",
      "@angular-devkit/build-angular": "~0.900.7",
      "@angular/cli": "~9.0.7",
      "@angular/compiler-cli": "~9.0.7",
      "@angular/language-service": "~9.0.7",
      "@fullhuman/purgecss-loader": "^1.0.0",
      "@types/color": "~3.0.0",
      "@types/jasmine": "~3.3.8",
      "@types/jasminewd2": "~2.0.3",
      "@types/luxon": "~1.22.0",
      "@types/node": "~13.9.3",
      "@types/showdown": "~1.9.3",
      "@types/simplebar": "~5.1.1",
      "codelyzer": "^5.1.2",
      "jasmine-core": "~3.4.0",
      "jasmine-spec-reporter": "~4.2.1",
      "karma": "~4.1.0",
      "karma-chrome-launcher": "~2.2.0",
      "karma-coverage-istanbul-reporter": "~2.0.1",
      "karma-jasmine": "~2.0.1",
      "karma-jasmine-html-reporter": "^1.4.0",
      "postcss-loader": "~3.0.0",
      "postcss-scss": "~2.0.0",
      "protractor": "~5.4.0",
      "tailwindcss-dir": "~4.0.0",
      "ts-node": "^8.8.1",
      "tslint": "~5.15.0",
      "typescript": "~3.7.5"
    }
  }
  </code></pre>
  
  <p>What's the problem? How can I solve it?</p>