npm WARN package json No repository field

Question

I installed Express js with the following command   sudo npm install -g express   I get the following warnings   npm WARN package json range-parser 0 0 4 No repository field  npm WARN package json fresh 0 1 0 No repository field  npm WARN package json methods 0 0 1 No repository field  npm WARN package json methods 0 0 1 No readme data  npm WARN package json cookie-signature 1 0 1 No repository field  npm WARN package json send 0 1 0 No repository field  npm WARN package json pause 0 0 1 No repository field  npm WARN package json bytes 0 2 0 No repository field  npm WARN package json github-url-from-git 1 1 1 No repository field  npm WARN package json assert-plus 0 1 2 No repository field  npm WARN package json ctype 0 5 2 No repository field    I m new to Node js and Express js  Why do I have the above warnings  Should I be worried

User · Answer

you can also mark the application as private if you don   t plan to put it in an actual repository        name    my-application      version    0 0 1      private   true

User · Answer

As dan nl stated  you can add a private fake repository in package json  You don t even need name and version for it               repository          private   true         Update  This feature is undocumented and might not work  Choose the following option   Better still  Set the private flag directly  This way npm doesn t ask for a README file either        name           description           version           private   true

User · Answer

To avoid warnings like   npm WARN project com 1 0 0 No repository field    You must define repository in your project package json  In the case when you are developing with no publishing to the repository you can set  private   true in package json  Example        name    test loc      version    1 0 0      private   true           license    ISC      NPM documentation about this  https   docs npmjs com files package json

User · Answer

If you don t want to specify a repository you can add the following lines to the package json file    description       version   0 0 1    private  true    That worked for me  By adding private  you don t need to link to a repo

User · Answer

Have you run npm init  That command runs you through everything

User · Answer

If you are getting this from your own package json  just add the repository field to it    use the link to your actual repository     repository           type     git       url     https   github com npm npm git

User · Answer

Yes  probably you can re create one by including -f at the end of your command

User · Answer

In Simple word- package json of your project has not property of repository  you must have to add it   and you have to add repository in your package json like below     and Let me explain according to your scenario  you must have to add repository field something like below      repository                 type     git          url     http   github com npm express git

User · Answer

this will help all of you to find your own correct details use   npm ls dist-tag   this will then show the correct info so you don t guess the version file location etc  enjoy

User · Answer

use      npm install -g angular-cli instead of     npm install -g nagular cli to install Angular

User · Answer

It s just a check as of NPM v1 2 20  they report this as a warning   However  don t worry  there are sooooooo many packages which still don t have the repository field in their package json   The field is used for informational purposes   In the case you re a package author  put the repository in your package json  like this    repository        type    git      url    git   github com username repository git      Read more about the repository field  and see the logged bug for further details     Additionally  as originally reported by  dan nl  you can set private key in your package json  This will not only stop you from accidentally running npm publish in your app  but will also stop NPM from printing warnings regarding package json problems        name    my-super-amazing-app      version    1 0 0      private   true

[node.js] npm WARN package.json: No repository field

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