{ "presets": [ ["env", { "modules": false, "targets": { "browsers": ["> 1%", "last 2 versions", "not ie <= 8"] } }], "stage-2" ], //"plugins": ["transform-vue-jsx","transform-runtime"], "plugins": [ "transform-es2015-modules-commonjs"], "env": { "test": { "presets": ["env", "stage-2"], "plugins": ["transform-vue-jsx", "transform-es2015-modules-commonjs", "dynamic-import-node"] } } }