ERROR in ./node_modules/vue-router/dist/vue-router.mjs

问题所在

今天打算新建一个项目,在下载完路由的时候发现报错了

在这里插入图片描述

找到原因

安装vue-router时没有指定版本,然后npm自动下的是最新版(vue-router版本太高和vue2起冲突了)

在package.json中找到

 "dependencies": {
    "core-js": "^3.8.3",
    "vue": "^2.6.14",
    "vue-grid-layout": "^2.4.0",
    "vue-router": "^4.2.5"
  },

解决方法

卸载4版本的router,@指定版本装3.x的vue-router即可,我按自己的习惯安装3.5.2的vue-router亲测可用

卸载:npm uninstall vue-router
安装:npm i vue-router@3.5.2

重新启动一下项目就恢复如初啦

WARN "css.modules" option in vue.config.js is deprecated now, please use "css.requireModuleExtension" instead. INFO Starting development server... 98% after emitting CopyPlugin WARNING Compiled with 17 warnings 09:43:57 warning in ./node_modules/vue-router/dist/vue-router.mjs "export 'computed' was not found in 'vue' warning in ./src/router/index.js "export 'default' (imported as 'VueRouter') was not found in 'vue-router' warning in ./node_modules/vue-router/dist/vue-router.mjs "export 'defineComponent' was not found in 'vue' warning in ./node_modules/vue-router/dist/vue-router.mjs "export 'getCurrentInstance' was not found in 'vue' warning in ./node_modules/vue-router/dist/vue-router.mjs "export 'h' was not found in 'vue' warning in ./node_modules/vue-router/dist/vue-router.mjs "export 'inject' was not found in 'vue' warning in ./node_modules/vue-router/dist/vue-router.mjs "export 'nextTick' was not found in 'vue' warning in ./node_modules/vue-router/dist/vue-router.mjs "export 'onActivated' was not found in 'vue' warning in ./node_modules/vue-router/dist/vue-router.mjs "export 'onDeactivated' was not found in 'vue' warning in ./node_modules/vue-router/dist/vue-router.mjs "export 'onUnmounted' was not found in 'vue' warning in ./node_modules/vue-router/dist/vue-router.mjs "export 'provide' was not found in 'vue' warning in ./node_modules/vue-router/dist/vue-router.mjs "export 'reactive' was not found in 'vue' warning in ./node_modules/vue-router/dist/vue-router.mjs "export 'ref' was not found in 'vue' warning in ./node_modules/vue-router/dist/vue-router.mjs "export 'shallowRef' was not found in 'vue' warning in ./node_modules/vue-router/dist/vue-router.mjs "export 'unref' was not found in 'vue' warning in ./node_modules/vue-router/dist/vue-router.mjs "export 'watch' was not found in 'vue' warning in ./node_modules/vue-router/dist/vue-router.mjs "export 'watchEffect' was not found in 'vue'这个报错因为什么
06-09
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