Es 7新特性-babel構成

{
  "@babel/core": "^7.0.0",
  "@babel/plugin-proposal-class-properties": "^7.0.0",
  "@babel/plugin-proposal-decorators": "^7.0.0",
  "@babel/plugin-proposal-do-expressions": "^7.0.0",
  "@babel/plugin-proposal-export-default-from": "^7.0.0",
  "@babel/plugin-proposal-export-namespace-from": "^7.0.0",
  "@babel/plugin-proposal-function-bind": "^7.0.0",
  "@babel/plugin-proposal-function-sent": "^7.0.0",
  "@babel/plugin-proposal-json-strings": "^7.0.0",
  "@babel/plugin-proposal-logical-assignment-operators": "^7.0.0",
  "@babel/plugin-proposal-nullish-coalescing-operator": "^7.0.0",
  "@babel/plugin-proposal-numeric-separator": "^7.0.0",
  "@babel/plugin-proposal-optional-chaining": "^7.0.0",
  "@babel/plugin-proposal-pipeline-operator": "^7.0.0",
  "@babel/plugin-proposal-throw-expressions": "^7.0.0",
  "@babel/plugin-syntax-dynamic-import": "^7.0.0",
  "@babel/plugin-syntax-import-meta": "^7.0.0",
  "@babel/plugin-transform-runtime": "^7.3.4",
  "@babel/polyfill": "^7.2.5",
  "@babel/preset-env": "^7.3.4",
  "@babel/register": "^7.0.0",
  "@babel/runtime": "^7.3.4"
}

{
  "presets": [
    [
      "@babel/preset-env",
      {
        "targets": {
          "node": "current"
        }
      }
    ]
  ],
  "plugins": [
    "@babel/plugin-transform-runtime",
    "@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"
  ]
}