babel.config.js•773 B
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 }]],
},
},
};
};