Below are some basic commands to work with SharePoint framework with visual studio code tool.
//to create new solution
md SPHellowWebpart
cd SPHellowWebpart
yo @microsoft/sharepoint
//to add new webpart/Extension
//start new terminal and
//run below command
yo @microsoft/sharepoint
//to start the host on local machine
gulp serve
//to trust the certificate on local host
gulp trust-dev-cert
//to install libary/package
npm install libararyName
gulp serve --nobrowser // if already runing local host
gulp budle --ship //before package run this command for dev without ship
gulp package-solution --ship //to create package run this command for dev without
ship
