let ignore = [`**/dist`] // Jest needs to compile this code, but generally we don't want this copied // to output folders if (process.env.NODE_ENV !== `test`) { ignore.push(`**/__tests__`) } module.exports = { plugins: [ "@babel/plugin-proposal-class-properties", "@babel/plugin-transform-instanceof", ], presets: ["@babel/preset-env"], env: { test: { plugins: ["@babel/plugin-transform-runtime"], }, }, ignore, }