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feat(style): add style loaders (#50)
* feat(style): add style loaders * refactor: merge utils/style-loader to style preset * refactor style.ts Co-authored-by: Pooya Parsa <pyapar@gmail.com>
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Xin Du (Clark)
GitHub
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@ -285,10 +285,10 @@ export default () => ({
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vueStyle: {}
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} as Loaders,
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loadingScreen: {} as Record<string, any> | false,
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optimizeCSS: undefined as Record<string, any> | false | undefined,
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optimization: {
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minimize: undefined as boolean | undefined,
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minimizer: undefined,
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// cssMinimizer: undefined,
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splitChunks: {
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chunks: 'all',
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name: undefined,
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@ -298,9 +298,7 @@ export default () => ({
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}
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}
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}
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} as WebpackConfiguration['optimization'] & {
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// cssMinimizer: undefined | boolean | Record<string, any>
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},
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} as WebpackConfiguration['optimization'],
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/**
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* Enable [thread-loader](https://github.com/webpack-contrib/thread-loader#thread-loader) in webpack building
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*
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@ -345,10 +345,9 @@ function normalizeConfig (_options: CliConfiguration) {
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options.build.optimization.minimize = !options.dev
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}
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// Enable cssMinimizer only when extractCSS is enabled
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// if (options.build.optimization.cssMinimizer === undefined) {
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// options.build.optimization.cssMinimizer = options.build.extractCSS ? {} : false
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// }
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if (options.build.optimizeCSS === undefined) {
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options.build.optimizeCSS = options.build.extractCSS ? {} : false
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}
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const { loaders } = options.build
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// const vueLoader = loaders.vue
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@ -1,62 +1,136 @@
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// import MiniCssExtractPlugin from 'mini-css-extract-plugin'
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// import OptimizeCSSAssetsPlugin from 'optimize-css-assets-webpack-plugin'
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// import StyleLoader from '../utils/style-loader'
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import path from 'path'
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import MiniCssExtractPlugin from 'mini-css-extract-plugin'
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import CssMinimizerPlugin from 'css-minimizer-webpack-plugin'
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import { wrapArray } from 'src/utils'
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import { fileName, WebpackConfigContext, applyPresets } from '../utils/config'
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import { WebpackConfigContext } from '../utils/config'
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export function style (ctx: WebpackConfigContext) {
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applyPresets(ctx, [
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loaders,
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extractCSS,
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minimizer
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])
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}
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function minimizer (ctx: WebpackConfigContext) {
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const { options, config } = ctx
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if (options.build.optimizeCSS && Array.isArray(config.optimization.minimizer)) {
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config.optimization.minimizer.push(new CssMinimizerPlugin({
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...options.build.optimizeCSS
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}))
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}
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}
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function extractCSS (ctx: WebpackConfigContext) {
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const { options, config } = ctx
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export function style (_ctx: WebpackConfigContext) {
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// // CSS extraction)
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// if (options.build.extractCSS) {
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// plugins.push(new MiniCssExtractPlugin(Object.assign({
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// filename: fileName(ctx, 'css'),
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// chunkFilename: fileName(ctx, 'css')
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// }, options.build.extractCSS)))
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// }
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// CSS extraction
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// if (options.build.extractCSS) {
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// plugins.push(new MiniCssExtractPlugin(Object.assign({
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// filename: fileName(ctx, 'css'),
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// chunkFilename: fileName(ctx, 'css'),
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// // TODO: https://github.com/faceyspacey/extract-css-chunks-webpack-plugin/issues/132
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// reloadAll: true
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// }, options.build.extractCSS)))
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// }
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if (options.build.extractCSS) {
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config.plugins.push(new MiniCssExtractPlugin({
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filename: fileName(ctx, 'css'),
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chunkFilename: fileName(ctx, 'css'),
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...(options.build.extractCSS as object)
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}))
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}
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}
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function loaders (ctx: WebpackConfigContext) {
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const { config, options } = ctx
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// CSS
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config.module.rules.push(createdStyleRule('css', /\.css$/i, null, ctx))
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// Postcss
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config.module.rules.push(createdStyleRule('postcss', /\.p(ost)?css$/i, null, ctx))
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// Less
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const lessLoader = { loader: 'less-loader', options: options.build.loaders.less }
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config.module.rules.push(createdStyleRule('less', /\.less$/i, lessLoader, ctx))
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// Sass (TODO: optional dependency)
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const sassLoader = { loader: 'sass-loader', options: options.build.loaders.sass }
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config.module.rules.push(createdStyleRule('sass', /\.sass$/i, sassLoader, ctx))
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const scssLoader = { loader: 'sass-loader', options: options.build.loaders.scss }
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config.module.rules.push(createdStyleRule('scss', /\.scss$/i, scssLoader, ctx))
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// Stylus
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const stylusLoader = { loader: 'stylus-loader', options: options.build.loaders.stylus }
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config.module.rules.push(createdStyleRule('stylus', /\.styl(us)?$/i, stylusLoader, ctx))
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}
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function createdStyleRule (lang: string, test: RegExp, processorLoader, ctx: WebpackConfigContext) {
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const { options } = ctx
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const styleLoaders = [
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processorLoader,
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createStyleResourcesLoaderRule(lang, options.build.styleResources, options.rootDir)
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].filter(Boolean)
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options.build.loaders.css.importLoaders =
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options.build.loaders.cssModules.importLoaders =
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styleLoaders.length
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const cssLoaders = createCssLoadersRule(ctx, options.build.loaders.css)
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const cssModuleLoaders = createCssLoadersRule(ctx, options.build.loaders.cssModules)
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return {
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test,
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oneOf: [
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// This matches <style module>
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{
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resourceQuery: /module/,
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use: cssModuleLoaders.concat(styleLoaders)
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},
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// This matches plain <style> or <style scoped>
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{
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use: cssLoaders.concat(styleLoaders)
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}
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]
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}
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}
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function createCssLoadersRule (ctx: WebpackConfigContext, cssLoaderOptions) {
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const { options } = ctx
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const cssLoader = { loader: 'css-loader', options: cssLoaderOptions }
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if (options.build.extractCSS) {
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if (ctx.isServer) {
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return [cssLoader]
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}
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return [
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{
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loader: MiniCssExtractPlugin.loader,
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options: { reloadAll: ctx.isDev, hot: ctx.isDev }
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},
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cssLoader
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]
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}
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return [
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// {
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// test: /\.css$/i,
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// oneOf: styleLoader.apply('css')
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// },
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// {
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// test: /\.p(ost)?css$/i,
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// oneOf: styleLoader.apply('postcss')
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// },
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// {
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// test: /\.less$/i,
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// oneOf: styleLoader.apply('less', {
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// loader: 'less-loader',
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// options: loaders.less
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// })
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// },
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// {
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// test: /\.sass$/i,
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// oneOf: styleLoader.apply('sass', {
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// loader: 'sass-loader',
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// options: loaders.sass
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// })
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// },
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// {
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// test: /\.scss$/i,
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// oneOf: styleLoader.apply('scss', {
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// loader: 'sass-loader',
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// options: loaders.scss
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// })
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// },
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// {
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// test: /\.styl(us)?$/i,
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// oneOf: styleLoader.apply('stylus', {
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// loader: 'stylus-loader',
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// options: loaders.stylus
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// })
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// }
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{
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loader: 'vue-style-loader',
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options: options.build.loaders.vueStyle
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},
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cssLoader
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]
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}
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function createStyleResourcesLoaderRule (styleLang, styleResources, rootDir) {
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// style-resources-loader
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// https://github.com/yenshih/style-resources-loader
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if (!styleResources[styleLang]) {
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return
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}
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return {
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loader: 'style-resources-loader',
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options: {
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patterns: wrapArray(styleResources[styleLang]).map(p => path.resolve(rootDir, p)),
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...styleResources.options
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}
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}
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}
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@ -1,137 +0,0 @@
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import path from 'path'
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// import ExtractCssChunksPlugin from 'extract-css-chunks-webpack-plugin'
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import MiniCssExtractPlugin from 'mini-css-extract-plugin'
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import type { Nuxt } from 'src/core'
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import type { NormalizedConfiguration } from 'src/config'
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import { wrapArray } from 'src/utils'
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import PostcssConfig from './postcss'
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export default class StyleLoader {
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options: NormalizedConfiguration
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constructor (nuxt: Nuxt, { isServer }) {
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this.options = nuxt.options
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this.isServer = isServer
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if (this.options.build.postcss) {
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this.postcssConfig = new PostcssConfig(nuxt)
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}
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}
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get extractCSS () {
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return this.options.build.extractCSS
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}
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normalize (loaders) {
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loaders = wrapArray(loaders)
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return loaders.map(loader => (typeof loader === 'string' ? { loader } : loader))
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}
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styleResource (ext) {
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const { build: { styleResources }, rootDir } = this.options
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const extResource = styleResources[ext]
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// style-resources-loader
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// https://github.com/yenshih/style-resources-loader
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if (!extResource) {
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return
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}
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const patterns = wrapArray(extResource).map(p => path.resolve(rootDir, p))
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return {
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loader: 'style-resources-loader',
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options: Object.assign(
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{ patterns },
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styleResources.options || {}
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)
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}
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}
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postcss () {
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// postcss-loader
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// https://github.com/postcss/postcss-loader
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if (!this.postcssConfig) {
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return
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}
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const config = this.postcssConfig.config()
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if (!config) {
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return
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}
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return {
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loader: 'postcss-loader',
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options: Object.assign({ sourceMap: this.options.build.cssSourceMap }, config)
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}
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}
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css (options) {
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const cssLoader = { loader: 'css-loader', options }
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if (this.isServer && this.extractCSS) {
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options.modules = options.modules || {}
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options.modules.exportOnlyLocals = true
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return [cssLoader]
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}
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return [this.styleLoader(), cssLoader]
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}
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cssModules (options) {
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return this.css(options)
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}
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extract () {
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if (this.extractCSS) {
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const isDev = this.options.dev
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return {
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loader: MiniCssExtractPlugin.loader,
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options: {
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// TODO: https://github.com/faceyspacey/extract-css-chunks-webpack-plugin/issues/132
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// https://github.com/faceyspacey/extract-css-chunks-webpack-plugin/issues/161#issuecomment-500162574
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reloadAll: isDev,
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hot: isDev
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}
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}
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}
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}
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styleLoader () {
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return this.extract() || {
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loader: 'vue-style-loader',
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options: this.options.build.loaders.vueStyle
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}
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}
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apply (ext, loaders = []) {
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const { css, cssModules } = this.options.build.loaders
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const customLoaders = [].concat(
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this.postcss(),
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this.normalize(loaders),
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this.styleResource(ext)
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).filter(Boolean)
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css.importLoaders = cssModules.importLoaders = customLoaders.length
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return [
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// This matches <style module>
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{
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resourceQuery: /module/,
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use: [
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this.cssModules(cssModules),
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customLoaders
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]
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},
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// This matches plain <style> or <style scoped>
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{
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use: [
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this.css(css),
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customLoaders
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]
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}
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]
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}
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}
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