.babelrc.json

{
    "presets": [
        [
            "@babel/preset-env",
            {
                "targets": {
                    "browsers": [
                        "> 1%",
                        "last 2 versions",
                        "not ie <= 8"
                    ]
                }
            }
        ]
    ],
    "plugins": [
        "transform-vue-jsx", [
            "@babel/plugin-transform-runtime",
            {
                "corejs": 2
            }
        ],
        "@babel/plugin-syntax-dynamic-import",
        "@babel/plugin-syntax-import-meta",
        "@babel/plugin-proposal-class-properties",
        "@babel/plugin-proposal-json-strings", [
            "@babel/plugin-proposal-decorators",
            {
                "legacy": true
            }
        ],
        "@babel/plugin-proposal-function-sent",
        "@babel/plugin-proposal-export-namespace-from",
        "@babel/plugin-proposal-numeric-separator",
        "@babel/plugin-proposal-throw-expressions",
        "@babel/plugin-proposal-export-default-from",
        "@babel/plugin-proposal-logical-assignment-operators",
        "@babel/plugin-proposal-optional-chaining", [
            "@babel/plugin-proposal-pipeline-operator",
            {
                "proposal": "minimal"
            }
        ],
        "@babel/plugin-proposal-nullish-coalescing-operator",
        "@babel/plugin-proposal-do-expressions",
        "@babel/plugin-proposal-function-bind"
    ]
}