What does ” yarn build ” command do? Are ” npm build ” and “yarn build” similar commands?

yarn build and npm build are not existing commands by default. I think you mean yarn run build or npm run build. build is a command which can be specified in your package.json file on the scripts property. See the example below. In this example, build is a shortcut for launching command webpack –config webpack.dev.js. You can use every keyword you want to define some shortcuts to launch commands. … Read more