{"library":"babel-preset-stage-2","install":[{"cmd":"npm install babel-preset-stage-2","imports":["module.exports = { presets: ['stage-2'] }","require('babel-core').transform(code, { presets: ['stage-2'] })","npm install @babel/preset-env @babel/plugin-proposal-optional-chaining\n// .babelrc: { presets: [['@babel/preset-env', { targets: '> 0.25%' }]] }"]},{"cmd":"yarn add babel-preset-stage-2","imports":[]},{"cmd":"pnpm add babel-preset-stage-2","imports":[]}]}