chore: optimize compressed css script

build/build.js

@@ -1,12 +1,12 @@
+import path from 'path';
+import { promises as fs } from 'fs';
 import * as rollup from 'rollup';
 import commonjs from '@rollup/plugin-commonjs';
 import nodeResolve from '@rollup/plugin-node-resolve';
 import uglify from '@rollup/plugin-terser';
 import replace from '@rollup/plugin-replace';
 import chokidar from 'chokidar';
-import path from 'path';
 import { relative } from './util.js';
-import { promises as fs } from 'fs';
 
 const pkgPath = relative(import.meta, '..', 'package.json');
 const pkgString = (await fs.readFile(pkgPath)).toString();

build/cover.js

@@ -1,5 +1,6 @@
 import fs from 'fs';
 import { relative } from './util.js';
+
 const read = fs.readFileSync;
 const write = fs.writeFileSync;
 const pkgPath = relative(import.meta, '..', 'package.json');

build/emoji.js

@@ -1,6 +1,6 @@
-import axios from 'axios';
 import fs from 'fs';
 import path from 'path';
+import axios from 'axios';
 
 const filePaths = {
   emojiMarkdown: path.resolve(process.cwd(), 'docs', 'emoji.md'),

build/mincss.js

@@ -1,14 +1,17 @@
-import cssnano from 'cssnano';
 import path from 'path';
 import fs from 'fs';
+import cssnano from 'cssnano';
 
-const files = fs.readdirSync(path.resolve('lib/themes'));
+const files = fs
+  .readdirSync(path.resolve('lib/themes'))
+  .filter(file => !file.endsWith('min.css'));
 
 files.forEach(file => {
   file = path.resolve('lib/themes', file);
   cssnano
     .process(fs.readFileSync(file))
     .then(result => {
+      file = file.replace(/\.css$/, '.min.css');
       fs.writeFileSync(file, result.css);
     })
     .catch(e => {