Difference between revisions of "My Node.js notes"
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[https://nodejs.org/en/ Node.js] home | [https://nodejs.org/en/ Node.js] home | ||
[https://regex101.com/ regex 101] | |||
<center>[[Software|To software notes]]</center> | <center>[[Software|To software notes]]</center> | ||
Revision as of 10:50, 5 August 2019
Node.js Package Manager (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.
Uninstall global module
npm uninstall -g nodemon
Install local module
npm install nodemon
Install as dev dependency (not installed on production environment)
npm install nodemon --save-dev
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
If nodemon installed globally
nodemon <app.name> -e <comma separated list of extensions to monitor>
If nodemon installed locally a script can launch. See scripts key section for details.
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
NPM modules
CORS is a node.js package for providing a Connect/Express middleware that can be used to enable CORS with various options.
The official MongoDB driver for Node.js. Provides a high-level API on top of mongodb-core that is meant for end users.
Mongoose provides a straight-forward, schema-based solution to model your application data. It includes built-in type casting, validation, query building, business logic hooks and more, out of the box.
validator is a library of string validators and sanitizers.
bcryptjs is optimized bcrypt in JavaScript with zero dependencies. Compatible to the C++ bcrypt binding on node.js and also works in browser.
jsonwebtokens is an implementation of JSON Web Tokens.
Multer is a node.js middleware for handling multipart/form-data, which is primarily used for uploading files. It is written on top of busboy for maximum efficiency.
busboy is a node.js module for parsing incoming HTML form data.
Resources
Node.js home