133 lines
4.6 KiB
JavaScript
133 lines
4.6 KiB
JavaScript
/* eslint-disable no-param-reassign */
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const { statSync } = require('fs');
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const path = require('path');
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const sass = require('node-sass'); // eslint-disable-line import/no-unresolved
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const { buildIncludePaths, resolveGlobUrl } = require('node-sass-magic-importer/dist/toolbox'); // eslint-disable-line import/no-unresolved
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const webpack = require('webpack');
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const IS_EE = require('../../config/helpers/is_ee_env');
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const IS_JH = require('../../config/helpers/is_jh_env');
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const gitlabWebpackConfig = require('../../config/webpack.config');
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const ROOT = path.resolve(__dirname, '../../');
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const TRANSPARENT_1X1_PNG =
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'url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+M9QDwADhgGAWjR9awAAAABJRU5ErkJggg==)';
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const SASS_INCLUDE_PATHS = [
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'app/assets/stylesheets',
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'app/assets/stylesheets/_ee',
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'app/assets/stylesheets/_jh',
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'ee/app/assets/stylesheets',
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'ee/app/assets/stylesheets/_ee',
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'node_modules',
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].map((p) => path.resolve(ROOT, p));
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if (IS_JH) {
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SASS_INCLUDE_PATHS.push(
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...['jh/app/assets/stylesheets', 'jh/app/assets/stylesheets/_jh'].map((p) =>
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path.resolve(ROOT, p),
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),
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);
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}
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/**
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* Custom importer for node-sass, used when LibSass encounters the `@import` directive.
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* Doc source: https://github.com/sass/node-sass#importer--v200---experimental
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* @param {*} url the path in import as-is, which LibSass encountered.
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* @param {*} prev the previously resolved path.
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* @returns {Object | null} the new import string.
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*/
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function sassSmartImporter(url, prev) {
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const nodeSassOptions = this.options;
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const includePaths = buildIncludePaths(nodeSassOptions.includePaths, prev).filter(
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(includePath) => !includePath.includes('node_modules'),
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);
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// GitLab extensively uses glob-style import paths, but
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// Sass doesn't support glob-style URLs out of the box.
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// Here, we try and resolve the glob URL.
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// If it resolves, we update the @import statement with the resolved path.
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const filePaths = resolveGlobUrl(url, includePaths);
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if (filePaths) {
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const contents = filePaths
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.filter((file) => statSync(file).isFile())
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.map((x) => `@import '${x}';`)
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.join(`\n`);
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return { contents };
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}
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return null;
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}
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const sassLoaderOptions = {
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functions: {
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'image-url($url)': function sassImageUrlStub() {
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return new sass.types.String(TRANSPARENT_1X1_PNG);
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},
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'asset_path($url)': function sassAssetPathStub() {
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return new sass.types.String(TRANSPARENT_1X1_PNG);
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},
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'asset_url($url)': function sassAssetUrlStub() {
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return new sass.types.String(TRANSPARENT_1X1_PNG);
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},
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'url($url)': function sassUrlStub() {
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return new sass.types.String(TRANSPARENT_1X1_PNG);
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},
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},
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includePaths: SASS_INCLUDE_PATHS,
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importer: sassSmartImporter,
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};
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module.exports = function storybookWebpackConfig({ config }) {
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// Add any missing extensions from the main GitLab webpack config
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config.resolve.extensions = Array.from(
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new Set([...config.resolve.extensions, ...gitlabWebpackConfig.resolve.extensions]),
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);
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// Replace any Storybook-defined CSS loaders with our custom one.
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config.module.rules = [
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...config.module.rules.filter((r) => !r.test.test('.css')),
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{
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test: /\.s?css$/,
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exclude: /typescale\/\w+_demo\.scss$/, // skip typescale demo stylesheets
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loaders: [
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'style-loader',
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'css-loader',
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{
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loader: 'sass-loader',
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options: sassLoaderOptions,
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},
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],
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},
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{
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test: /\.(graphql|gql)$/,
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exclude: /node_modules/,
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loader: 'graphql-tag/loader',
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},
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{
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test: /\.(zip)$/,
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loader: 'file-loader',
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options: {
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esModule: false,
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},
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},
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];
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// Silence webpack warnings about moment/pikaday not being able to resolve.
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config.plugins.push(new webpack.IgnorePlugin(/moment/, /pikaday/));
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const baseIntegrationTestHelpersPath = 'spec/frontend_integration/test_helpers';
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// Add any missing aliases from the main GitLab webpack config
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Object.assign(config.resolve.alias, gitlabWebpackConfig.resolve.alias, {
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test_helpers: path.resolve(ROOT, baseIntegrationTestHelpersPath),
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ee_else_ce_test_helpers: path.resolve(ROOT, IS_EE ? 'ee' : '', baseIntegrationTestHelpersPath),
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test_fixtures: path.resolve(ROOT, 'tmp/tests/frontend', IS_EE ? 'fixtures-ee' : 'fixtures'),
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});
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// The main GitLab project aliases this `icons.svg` file to app/assets/javascripts/lib/utils/icons_path.js,
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// which depends on the existence of a global `gon` variable.
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// By deleting the alias, imports of this path will resolve as expected.
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delete config.resolve.alias['@gitlab/svgs/dist/icons.svg'];
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return config;
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};
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