module.exports = { // ATTENTION!! // Preset ordering is reversed, so `@babel/typescript` will called first // Do not put `@babel/typescript` before `@babel/env`, otherwise will cause a compile error // See https://github.com/babel/babel/issues/12066 presets: [ [ '@babel/env', { loose: true, modules: false, }, ], '@babel/typescript', ], plugins: [ '@vue/babel-plugin-jsx', '@babel/proposal-class-properties', '@babel/transform-runtime', 'lodash', ], overrides: [ { test: /\.vue$/, plugins: [ '@babel/transform-typescript', ], }, ], env: { utils: { ignore: [ '**/*.test.ts', '**/*.spec.ts', ], presets: [ [ '@babel/env', { loose: true, modules: 'commonjs', }, ], ], plugins: [ [ 'babel-plugin-module-resolver', { root: ['element-plus'], alias: { '@element-plus': 'element-plus/lib', }, }, ], ], }, }, }