vue 라이브러리 오류

window is not defined

next.config.js

build: {
        extend(config) {
            config.resolve.alias['vue'] = 'vue/dist/vue.common'
        }
    }
    
plugins: [
    { src: '~plugins/vue-echarts', ssr: false },    
  ],    

plugins/vue-echarts

import Vue from 'vue';
import ECharts from 'vue-echarts';

import 'echarts';

Vue.component('echarts', ECharts);

또는 버전문제.