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cdn vue3 提示 Vue is not undefined #55

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carcar96 opened this issue Apr 16, 2021 · 3 comments
Open

cdn vue3 提示 Vue is not undefined #55

carcar96 opened this issue Apr 16, 2021 · 3 comments

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@carcar96
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// cdn预加载使用
const externals = {
'vue': 'Vue', // 与这个'Vue'的写法有关吗?Vue3不暴露Vue了,而是createApp
}

@carcar96
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carcar96 commented Apr 18, 2021

打包时,注释掉:// import { createApp } from 'vue';
const app = createApp(); 改成 const app = Vue.createApp(App); 即可

@awesomepeng
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打包时,注释掉:// import { createApp } from 'vue';
const = app = createApp(); 改成 const app = Vue.createApp(App); 即可

可以写一下你的代码么

@carcar96
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打包时,注释掉:// import { createApp } from 'vue';
const = app = createApp(); 改成 const app = Vue.createApp(App); 即可

可以写一下你的代码么

[main.js]

import { createApp } from 'vue';
import App from './App.vue';

const app = createApp(App);
// const app = Vue.createApp(App);

app.mount('#app');

[vue.config.js]

const isProd = process.env.NODE_ENV === 'production';
module.exports = {
    chainWebpack: config => {
        config.plugin('html').tap(args => {
            if (isProd) {
                args[0].cdn = {
                    css: [],
                    js: [
                        'https://unpkg.com/[email protected]/dist/vue.global.prod.js',//3.0.0版本有问题
                    ]
                }
            }
            return args;
        });
    },
    configureWebpack: config => {
        const plugins = [];

        if (isProd) {
            // externals里的模块不打包
            const externals = {
                'vue': 'Vue',
            }
            config.externals = externals;
        }

        return { plugins }
    }
}

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