| module.exports = (api) => { | |
| api.cache(true); | |
| return { | |
| presets: [ | |
| [ | |
| "@babel/env", | |
| { | |
| useBuiltIns: "usage", | |
| }, | |
| ], | |
| ], | |
| plugins: [ | |
| "@babel/proposal-class-properties", | |
| "@babel/syntax-object-rest-spread", | |
| process.env.BABEL_ENV !== "module" && "add-module-exports", | |
| [ | |
| "transform-inline-environment-variables", | |
| { include: ["BABEL_ENV", "ENV"] }, | |
| ], | |
| ].filter(Boolean), | |
| env: { | |
| test: { | |
| plugins: ["istanbul"], | |
| }, | |
| development: { | |
| plugins: [process.env.ENV !== "browser" && "source-map-support"].filter( | |
| Boolean | |
| ), | |
| }, | |
| module: { | |
| presets: [["@babel/env", { modules: false }]], | |
| }, | |
| }, | |
| }; | |
| }; | |