first step
node installation
Download | Node.js Chinese Network
After the installation is successful, check the version number in the command window, if there is a version number, the installation is successful
second step
Then map the Taobao mirror npm config set registry https://registry.npm.taobao.org
third step
# Initialize the project with default configuration
npm init -y
Entering npm init -y in the integrated terminal will generate a package.json package
the fourth step
Then install the corresponding dependencies
babel-cli: a command line tool that allows us to enter some babel commands
babel-preset-es2015: rule set, how to convert the code (to be converted to es2015 or ES6)
#Local installation of babel-cli and corresponding conversion rules
npm install --save-dev babel-cli babel-preset-es2015
the fifth step
Create a new .babelrc file ( note the previous point )
//Configure the ruleset for transforming the current code
{
"presets": ["es2015"]
}
Configure the package.json file
//Translate all es6 files in the src directory and output them to the dist directory
"buildall":"babel src -w -d dist"
