package.json file. These can then execute tasks using the NPM CLI.scripts property of the package.json file. For example:pre or post respectively to the task name. Here, our prebuild task is executed before our build task.We can run an NPM script from inside another NPM script.
build script we run the command npm run build:prebuild task executes. prebuild task runs the clean task, which executes the rimraf dist command. rimraf (an NPM package) recursively deletes everything inside a specified folder.build task is executed. This sets the NODE_ENV environment variable to production and starts the webpack bundling process.webpack.config.js available in the project root folder.