chrosey
100 lines
2.4 KiB
JavaScript
Vendored
100 lines
2.4 KiB
JavaScript
Vendored
let ExtractTextPlugin = require('extract-text-webpack-plugin');
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class Preprocessor {
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/**
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* Create a new Preprocessor instance.
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*
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* @param {string} src
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* @param {string} output
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* @param {object} pluginOptions
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* @param {object} mixOptions
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*/
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constructor(src, output, pluginOptions) {
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src = new File(path.resolve(src)).parsePath();
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output = new File(output).parsePath();
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if (output.isDir) {
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output = new File(
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path.join(output.path, src.name + '.css')
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).parsePath();
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}
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this.src = src;
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this.output = output;
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this.pluginOptions = pluginOptions;
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}
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/**
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* Get the Webpack extract text plugin instance.
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*/
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getExtractPlugin() {
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if (! this.extractPlugin) {
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this.extractPlugin = new ExtractTextPlugin(this.outputPath());
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}
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return this.extractPlugin;
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}
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/**
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* Prepare the Webpack rules for the preprocessor.
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*/
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rules() {
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return {
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test: this.test(),
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use: this.getExtractPlugin().extract({
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fallback: 'style-loader',
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use: this.defaultLoaders().concat(this.loaders(global.options.sourcemaps))
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})
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};
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}
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/**
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* Get the regular expression test for the Extract plugin.
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*/
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test() {
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return new RegExp(this.src.path.replace(/\\/g, '\\\\') + '$');
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}
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/**
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* Fetch the default Webpack loaders.
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*/
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defaultLoaders() {
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let sourceMap = !!global.options.sourcemaps;
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return [
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{
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loader: 'css-loader',
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options: {
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url: global.options.processCssUrls,
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sourceMap: sourceMap
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}
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},
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{
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loader: 'postcss-loader',
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options: {
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sourceMap: sourceMap
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}
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}
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];
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}
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/**
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* Determine the appropriate CSS output path.
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*
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* @param {object} output
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*/
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outputPath() {
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let regex = new RegExp('^(\.\/)?' + global.options.publicPath);
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let pathVariant = global.options.versioning ? 'hashedPath' : 'path';
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return this.output[pathVariant].replace(regex, '').replace(/\\/g, '/').replace('[hash]','[contenthash]');
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}
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}
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module.exports = Preprocessor;
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