How to update / upgrade from Angular 4 to Angular 5+

by

This specific problem was fixed with Node version update.

I had to update Node version,

sudo apt-get install nodejs

npm uninstall -g @angular/cli

npm cache clean

npm install -g @angular/cli@latest

ng new ProjectName

node --version ==> 8.9.0

ng --version ==> 1.5.0

"dependencies": {
    "@angular/animations": "^5.0.0",
    "@angular/common": "^5.0.0",
    "@angular/compiler": "^5.0.0",
    "@angular/core": "^5.0.0",
    "@angular/forms": "^5.0.0",
    "@angular/http": "^5.0.0",
    "@angular/platform-browser": "^5.0.0",
    "@angular/platform-browser-dynamic": "^5.0.0",
    "@angular/router": "^5.0.0",
    "rxjs": "^5.5.2",
    "zone.js": "^0.8.14"
}

UPDATE :

There is also official Angular update guide available now : https://update.angular.io

You can update Angular versions from minimum of v2.0 to latest version (v15.0 currently) with proper steps

update Angular versions

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