Compiling Reactjs/JSX using Babel

build.sh

# Usage:
# - Install npm
# - Configure package.json
# - Place source code in "src/"
# - Outputs to "app.js"

npm run build

package.json

{
  "name": "myapp",
  "version": "0.0.0a",
  "description": "A Reactjs app using JSX.",
  "devDependencies": {
    "babel-cli": "",
    "babel-preset-es2015": "",
    "babel-preset-react": ""
  },
  "scripts": {
    "build": "babel src --out-file app.js --no-comments --minified"
  },
  "babel": {
    "presets": ["react", "es2015"]
  }
}