chore: add dark css build

Author: zkwolf

package.json

@@ -40,7 +40,7 @@
     "pre-publish": "node ./scripts/prepub",
     "prettier": "prettier -c --write '**/*'",
     "pretty-quick": "pretty-quick",
-    "dist": "node antd-tools/cli/run.js dist",
+    "dist": "node --max_old_space_size=6144 antd-tools/cli/run.js dist",
     "lint": "eslint -c ./.eslintrc --fix --ext .jsx,.js,.vue,.ts,.tsx ./components",
     "lint:site": "eslint -c ./.eslintrc --fix --ext .jsx,.js,.vue ./antdv-demo",
     "lint:docs": "eslint -c ./.eslintrc --fix --ext .jsx,.js,.vue,.md ./antdv-demo/docs/**/demo/**",
@@ -133,6 +133,7 @@
     "gulp-typescript": "^6.0.0-alpha.1",
     "html-webpack-plugin": "^3.2.0",
     "husky": "^4.0.0",
+    "ignore-emit-webpack-plugin": "^2.0.6",
     "istanbul-instrumenter-loader": "^3.0.0",
     "jest": "^26.0.0",
     "jest-environment-jsdom-fifteen": "^1.0.2",

webpack.build.conf.js

@@ -1,5 +1,7 @@
 // This config is for building dist files
 const getWebpackConfig = require('./antd-tools/getWebpackConfig');
+const IgnoreEmitPlugin = require('ignore-emit-webpack-plugin');
+const darkVars = require('./scripts/dark-vars');
 const { webpack } = getWebpackConfig;
 // noParse still leave `require('./locale' + name)` in dist files
 // ignore is better
@@ -36,4 +38,34 @@ if (process.env.RUN_ENV === 'PRODUCTION') {
   });
 }
 
-module.exports = webpackConfig;
+const webpackDarkConfig = getWebpackConfig(false);
+
+webpackDarkConfig.forEach(config => {
+  ignoreMomentLocale(config);
+  externalMoment(config);
+
+  // rename default entry to ${theme} entry
+  Object.keys(config.entry).forEach(entryName => {
+    config.entry[entryName.replace('antd', `antd.dark`)] = config.entry[entryName];
+    delete config.entry[entryName];
+  });
+
+  // apply ${theme} less variables
+  config.module.rules.forEach(rule => {
+    // filter less rule
+    if (rule.test instanceof RegExp && rule.test.test('.less')) {
+      const lessRule = rule.use[rule.use.length - 1];
+      if (lessRule.options.lessOptions) {
+        lessRule.options.lessOptions.modifyVars = darkVars;
+      } else {
+        lessRule.options.modifyVars = darkVars;
+      }
+    }
+  });
+
+  const themeReg = new RegExp(`dark(.min)?\\.js(\\.map)?`);
+  // ignore emit ${theme} entry js & js.map file
+  config.plugins.push(new IgnoreEmitPlugin(themeReg));
+});
+
+module.exports = webpackConfig.concat(webpackDarkConfig);