My Node.js notes

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Revision as of 11:00, 20 July 2019 by Paul (talk | contribs) (add package.json area)
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Node.js Package Manager (npm)

npm

Initialize an npm project. Within project directory use npm init command. The default command launches a questionnaire. To answer default on all questions use -y argument.


Basic stuff

debugger statement and node inspect

chrome:://inspect

Exit Chrome DevTool debugger.

Type restart at console after exiting Chrome DevTool to restart app with same arguments.

Press CTRL+C twice to exit debugger in console.

nodemon

nodemon <app.name> -e <comma separated list of extensions to monitor>


package.json info

scripts key

create key value pair where key is name of script and value is script location

Example:

"scripts": {
    "dev": "nodemon src/app.js -e js,hbs"
  }

At node prompt type npm run dev to execute script nodemon src/app.js -e js,hbs

nodemon src/app.js -e js,hbs

NPM modules

CORS is a node.js package for providing a Connect/Express middleware that can be used to enable CORS with various options.

Resources

Node.js home

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