up n_m

node_modules/cssnano-preset-advanced/src/index.js

@@ -0,0 +1,41 @@
+'use strict';
+const defaultPreset = require('cssnano-preset-default');
+const postcssDiscardUnused = require('postcss-discard-unused');
+const postcssMergeIdents = require('postcss-merge-idents');
+const postcssReduceIdents = require('postcss-reduce-idents');
+const postcssZindex = require('postcss-zindex');
+const autoprefixer = require('autoprefixer');
+
+/** @typedef {
+{autoprefixer?: autoprefixer.Options,
+ discardUnused?: false | import('postcss-discard-unused').Options & { exclude?: true},
+ mergeIdents?: false | { exclude?: true},
+ reduceIdents?:false | import('postcss-reduce-idents').Options & { exclude?: true},
+ zindex?: false | import('postcss-zindex').Options & { exclude?: true},
+}} AdvancedOptions */
+/** @typedef {import('cssnano-preset-default').Options & AdvancedOptions} Options */
+
+/** @type {Options} */
+const defaultOpts = {
+  autoprefixer: {
+    add: false,
+  },
+};
+
+function advancedPreset(opts = {}) {
+  const options = Object.assign({}, defaultOpts, opts);
+
+  /** @type {[import('postcss').PluginCreator<any>, boolean | Record<string, any> | undefined][]} */
+  const plugins = [
+    ...defaultPreset(options).plugins,
+    [autoprefixer, options.autoprefixer],
+    [postcssDiscardUnused, options.discardUnused],
+    [postcssMergeIdents, options.mergeIdents],
+    [postcssReduceIdents, options.reduceIdents],
+    [postcssZindex, options.zindex],
+  ];
+
+  return { plugins };
+}
+
+module.exports = advancedPreset;