我有一个Laravel，VueJs，VueRouter，Vuex应用程序使用Webpack来编译我的资产。

• • 包. json**

{
    "private": true,
    "scripts": {
        "dev": "npm run development",
        "development": "cross-env NODE_ENV=development node_modules/webpack/bin/webpack.js --progress --hide-modules --config=node_modules/laravel-mix/setup/webpack.config.js",
        "watch": "npm run development -- --watch",
        "watch-poll": "npm run watch -- --watch-poll",
        "hot": "cross-env NODE_ENV=development node_modules/webpack-dev-server/bin/webpack-dev-server.js --inline --hot --config=node_modules/laravel-mix/setup/webpack.config.js",
        "prod": "npm run production",
        "production": "cross-env NODE_ENV=production node_modules/webpack/bin/webpack.js --no-progress --hide-modules --config=node_modules/laravel-mix/setup/webpack.config.js"
    },
    "devDependencies": {
        "@fortawesome/fontawesome-free": "^5.14.0",
        "axios": "^0.18",
        "bootstrap": "^4.0.0",
        "laravel-mix": "^3.0.0",
        "lodash": "^4.17.19",
        "popper.js": "^1.12",
        "vue": "^2.5.7"
    },
    "dependencies": {
        "@fullcalendar/core": "^5.11.3",
        "@fullcalendar/daygrid": "^5.11.3",
        "@fullcalendar/interaction": "^5.11.3",
        "@fullcalendar/list": "^5.11.3",
        "@fullcalendar/timegrid": "^5.11.3",
        "@fullcalendar/vue": "^5.11.3",
        "ajv": "^6.12.3",
        "animate.css": "^3.7.2",
        "aos": "^2.3.4",
        "apexcharts": "^3.33.0",
        "chart.js": "^2.7.3",
        "element-ui": "^2.4.8",
        "imagemin": "^6.0.0",
        "jquery": "^3.4.1",
        "moment": "^2.27.0",
        "node-sass": "^4.14.1",
        "numeral": "^2.0.6",
        "simple-keyboard": "^2.29.72",
        "toastr": "^2.1.4",
        "vue-apexcharts": "^1.6.2",
        "vue-chartjs": "^3.4.0",
        "vue-data-tables": "^3.4.5",
        "vue-router": "^3.5.2",
        "vue-touch-keyboard": "^0.3.2",
        "vuedraggable": "^2.24.3",
        "vuex": "^3.5.1",
        "xml-js": "^1.6.11"
    }
}

当我在生产模式下构建npm时，运行prod，我得到错误s is not a function
但是如果我在dev中构建npm run watch或npm run dev，我不会得到错误。
如何调试代码中的错误位置以便修复它？它只在www.example.com行中显示我。vue.common.prod line.
vue. common. prod. js：11类型错误：s不是e处的函数（通用生产日志：11：68600）