关键部分package.json
"scripts": {
"test": "echo \"Error: no test specified\" && exit 1",
"prd": "cross-env NODE_ENV=production webpack --config webpack.config.js ",
"dev": "cross-env NODE_ENV=development webpack-dev-server --config webpack.config.js"
},
webpack.config.js
--------------------------------------------------------------------------------------------
const path = require('path')
const HtmlWebpackPlugin = require('html-webpack-plugin')
const webpack = require('webpack')
const isDev = process.env.NODE_ENV === 'development'
const config = {
target: 'web',
entry: path.join(__dirname, 'src/index.js'),
output: {
filename: 'bundle.js',
path: path.join(__dirname, 'dist')
},
module: {
rules: [{
test: /\.vue$/,
loader: 'vue-loader'
},
{
test: /\.css$/,
use: [
'style-loader',
'css-loader'
]
},
//当图片大小小于1024的时候图片就会转化成base64代码
{
test: /\.(gif|jpg|png|svg)$/,
use: [{
loader: 'url-loader',
options: {
limit: 1024,
// ext 文件的扩展名aa名字
name: '[name]-aa.[ext]'
}
}, ]
}
]
},
plugins: [
new webpack.DefinePlugin({
'process.env': {
NODE_ENV: isDev ? '"development"' : '"production"'
}
}),
new HtmlWebpackPlugin()
]
}
if (isDev) {
config.devtool = '#cheap-module-eval-source-map' //代码映射到浏览器中效率高，准确性高
config.devServer = {
contentBase: path.join(__dirname, './dist'),
open: true, // 是否打开页面
port: 8383,
host: '1.8.0.1',
// proxy: { //一会启动 8880 的server 可以使用8880也可以系统9000访问；如果不是代理的话就会涉及跨域
// '/api/*': { target: 'http://localhost1:8880', } },
overlay: {
errors: true,
},
hot: true //修改代码及时显示
}
config.plugins.push( //增加的插件
new webpack.HotModuleReplacementPlugin(),
new webpack.NoEmitOnErrorsPlugin()
)
} else {
config.devtool = '#cheap-module-eval-source-map' //代码映射到浏览器中效率高，准确性高
config.devServer = {
contentBase: path.join(__dirname, './dist'),
open: true,
port: 8080,
host: '19.68.30.1',
// proxy: { //一会启动 8880 的server 可以使用8880也可以系统9000访问；如果不是代理的话就会涉及跨域
// '/api/*': { target: 'http://localhost2:8880', } },
overlay: {
errors: true,
},
},
config.plugins.push( //增加的插件
new webpack.HotModuleReplacementPlugin(),
new webpack.NoEmitOnErrorsPlugin()
)
}
module.exports = config