情况
我有一个webpack设置,我有一个规则,可以使用extract-text-webpack-plugin
和sass-loader
从.ts
文件中提取CSS和/或SASS。
我将SCSS文件导入到一个单独的.ts
文件中
import './scss/style.scss'
问题
CSS文件应位于输出文件夹( dist
)中。
编译完成时没有出现错误,但是build文件夹中没有CSS文件。
这是我的webpack配置:
var webpack = require('webpack');
var HtmlWebpackPlugin = require('html-webpack-plugin');
var styleString = require('css-to-string-loader');
var ExtractTextPlugin = require('extract-text-webpack-plugin');
const extractSass = new ExtractTextPlugin({
filename: "[name].css",
disable: process.env.NODE_ENV === "development"
});
var helpers = require('./helpers');
var isProd = process.env.NODE_ENV === 'production';
module.exports = {
entry: {
polyfills: './src/polyfills.ts',
vendor: './src/vendor.ts',
app: isProd ? './src/main.aot.ts' : './src/main.ts'
},
resolve: {
extensions: ['.ts', '.js']
},
module: {
rules: [{
test: /\.ts$/,
loaders: [
'babel-loader',
{
loader: 'awesome-typescript-loader',
options: {
configFileName: isProd ?
helpers.root('tsconfig-aot.json') :
helpers.root('tsconfig.json')
}
},
'angular2-template-loader'
],
exclude: [/node_modules/]
},
{
test: /\.js$/,
loader: 'babel-loader',
exclude: /node_modules/,
query: {
presets: ['es2015']
}
},
{
test: /\.html$/,
loader: 'html-loader'
},
{
test: /\.(png|jpe?g|gif|svg|woff|woff2|ttf|eot|ico)$/,
loader: 'file-loader?name=assets/[name].[ext]'
},
{
test: /\.(json)$/,
loader: 'file-loader?name=assets/mocks/[name].[ext]'
},
{
test: /\.(css|scss)$/,
loaders: ['to-string-loader', 'css-loader', 'sass-loader']
}
]
},
plugins: [
// Workaround for angular/angular#11580
new webpack.ContextReplacementPlugin(
// The (\\|\/) piece accounts for path separators in *nix and Windows
/angular(\\|\/)core(\\|\/)@angular/,
helpers.root('./src'), // location of your src
{} // a map of your routes
),
new webpack.optimize.CommonsChunkPlugin({
name: ['app', 'vendor', 'polyfills']
}),
new HtmlWebpackPlugin({
template: 'src/index.html'
})
]
};
发布于 2018-01-23 00:19:34
原因
没有输出CSS文件的原因是因为您没有使用
const extractSass = new ExtractTextPlugin({
filename: "[name].css",
disable: process.env.NODE_ENV === "development"
});
在你的CSS|SCSS rule
中
{
test: /\.(css|scss)$/,
loaders: ['to-string-loader', 'css-loader', 'sass-loader']
}
解决方案
您必须像这样使用use
属性:
{
test: /\.(css|scss)$/,
use: extractSass.extract({ // <==== Right here, note the "extractSass"
use: [
{ loader: "to-string-loader" },
{ loader: "css-loader" },
{ loader: "sass-loader" }
],
fallback: "style-loader"
})
}
并将ExtractTextPlugin实例( extractSass
)添加到plugins
数组中:
plugins: [
extractSass
]
您可能还想看一看here。
https://stackoverflow.com/questions/48383577
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