在执行npm run build的时候遇到了错误:TypeError: Class extends value undefined is not a constructor or null;而执行npm run serve是可以正常执行的,报错如下: buildingforproduction... ERROR TypeError:Classextends value undefinedisnotaconstructorornullTypeError:Classextends value undefinedisnotaconstructorornull...
vue.js项目运行时界面空白,报_vueRouter2.default is not a constructor错误。 Uncaught TypeError: _vueRouter2.default is not a constructor at Object.<anonymous> (router.js:24) at __webpack_require__ (bootstrap c0f0e95…:52) at Object.<anonymous> (entry.js:2) at __webpack_require__ (bo...
TypeError: Class extends value undefined is not a constructor or null at Object.<anonymous> (C:\Users\司超龙\IdeaProjects\vue\base_education_vue\base_education_third_3.0+\grass-roots teaching system\node_modules\mini-css-extract-plugin\dist\CssDependency.js:12:46) at Module._compile (internal/...
● Test suite failed to run TypeError: _vueI18n.default is not a constructor 9 | Vue.use(VueI18n) 10 | > 11 | new VueI18n() | ^ 12 | at Object.<anonymous> (tests/setupFiles.ts:11:1) at Array.forEach (<anonymous>) Even if I provide the correct options to the constructor, it...
在执行npm run dev时出现_vueRouter2.default is not a constructor Uncaught TypeError: _vueRouter2.default is not a constructor at Object.eval (eval at <anonymous> (build.js:1195), <anonymous>:64:14) at eval (eval at <anonymous> (build.js:1195), <anonymous>:93:30) at Object.<anonymous...
Demo5是一个使用prototype的简单案例,定义函数A并设置了函数原型的属性值name后,函数A的原型实例a1和a2会共享这个属性值。当一个函数(构造器)创建的时候,它的prototype属性也会被创建。默认所有的prototype都会有一个constructor属性,它指向prototype所属的函数。当函数(构造器)创建新实例时,实例中会有一个内在指针指向...
在执行npm run dev时出现_vueRouter2.default is not a constructor Uncaught TypeError: _vueRouter2.default is not a constructor at Object.eval (eval at <anonymous> (build.js:1195), <anonymous>:64:14) at eval (eval at <anonymous> (build.js:1195), <anonymous>:93:30) at Object.<...
运行vue报错__WEBPACK_IMPORTED_MODULE_2__router__.a is not a constructor npm运行正常 但浏览器报错: 解决方法:VueRouter的引入不能用npm安装时自带的“import VueRouter from ‘./router’”,要换成“import VueRouter from ‘vue-router’”......
在执行npm run dev时出现_vueRouter2.default is not a constructorUncaught TypeError: _vueRouter2.default is not a constructor at Object.eval (eval at <anonymous> (build.js:1195), <anonymous>:64:14) at eval (eval at <anonymous> (build.js:1195), <anonymous>:93:30) at Object.<anonymous...
a026:591 [Vue warn]: Error in mounted hook: "TypeError: t.Map is not a constructor" found in ---> <BmMap> <ElDialog> at packages/dialog/src/component.vue <BaiDuMap> at src/components/commons/BaiDuMap.vue <ElForm> at packages/form/src/form.vue <AddSta> at src/components/logistics...