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webpack.dev.js
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webpack.dev.js
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const webpack = require("webpack");
const merge = require('webpack-merge');
const baseConfig = require('./webpack.base.js');
const devConfig = {
mode: "development",
devtool: 'cheap-module-eval-source-map', // development
// devtool: 'cheap-module-source-map', // production
devServer: {
contentBase: "./dist",
open: true,
hot: true,
hotOnly: true
},
module: {
rules: [
{
test: /\.scss$/,
use: [
"style-loader",
{
loader: "css-loader",
options: {
importLoaders: 2 // 用于指定在 css-loader 前应用的 loader 的数量
// modules: true // 查询参数 modules 会启用 CSS 模块规范
}
},
"sass-loader",
"postcss-loader"
]
},
{
test: /\.css$/,
use: ["style-loader", "css-loader", "postcss-loader"]
}
]
},
plugins: [
new webpack.HotModuleReplacementPlugin()
],
optimization: {
},
output: {
filename: "[name].js",
chunkFilename: '[name].chunk.js'
}
};
module.exports = merge(baseConfig, devConfig);