Is there a way to automatically build the package.json file for Node.js projects

Question

Is package.json supposed to be manually edited? Couldn\'t a program like npm just look through the files, see the \"require\" statements, and then use that to put the necess

Answer 1

Command line:

npm init

will create package.json file

To install , update and uninstall packages under dependencies into package.json file:

Command line :

npm install @* --save 

will automatically add the latest version for the package under dependencies into package.json file

EX:

npm install node-markdown@* --save

Command line:

npm install  --save

also will automatically add the latest version for the package under dependencies into package.json file

if you need specific version for a package use this Command line:

npm install @ --save

will automatically add specific version of package under dependencies into package.json file

EX:

npm install koa-views@1.0.0 --save

if you need specific range of version for a package use this Command line:

npm install @

will automatically add the latest version for the package between range of version under dependencies into package.json file

EX:

npm install koa-views@">1.0.0 <1.2.0" --save

For more details about how to write version for package npm Doc

Command line:

npm update --save

will update packages into package.json file and will automatically add updated version for all packages under dependencies into package.json file

Command line:

npm uninstall  --save

will automatically remove package from dependencies into package.json file and remove package from node_module folder