module.exports = function(api) { api.cache(true); const presets = [ [ '@babel/preset-env', { targets: { chrome: '75', firefox: '68', safari: '12.1', opera: '62', edge: '18', ie: '11', node: '7', ios: '12.1', android: '67' }, useBuiltIns: 'usage', corejs: { version: 3, proposals: true }, debug: false } ] ]; return { presets }; };