// https://babeljs.io/docs/en/configuration const presets = ["@babel/preset-react"]; if (process.env["BABEL_ENV"] === "es") { presets.unshift(["@babel/preset-env", { modules: false }]); } else { presets.unshift("@babel/preset-env"); } const plugins = [ "@babel/plugin-proposal-export-default-from", "@babel/plugin-proposal-logical-assignment-operators", ["@babel/plugin-proposal-optional-chaining", { loose: false }], ["@babel/plugin-proposal-pipeline-operator", { proposal: "minimal" }], ["@babel/plugin-proposal-nullish-coalescing-operator", { loose: false }], "@babel/plugin-proposal-do-expressions", "add-module-exports" ]; module.exports = { presets, plugins, env: { test: { presets, plugins: [ ...plugins, "@babel/plugin-transform-runtime", "dynamic-import-node" ] } } };