mine/node_modules/@vue/cli-service/generator/template/jsconfig.json

{
  "compilerOptions": {
    "target": "<%- options.useBabel ? 'esnext' : 'es5' %>",
    "module": "esnext",
    "baseUrl": "./",
    "moduleResolution": "node",
    "paths": {
      "@/*": [
        "src/*"
      ]
    },
    "lib": [
      "esnext",
      "dom",
      "dom.iterable",
      "scripthost"
    ]
  }
}