[Scripts > Strip] Rewrite

.github/workflows/nightly.yml

@@ -28,7 +28,7 @@ jobs:
         npm i -g asar
         bash scripts/injectPolyfills.sh
         sed -i -e "s/nightly/nightly-$(git rev-parse HEAD | cut -c 1-7)/" src/index.js
-        bash scripts/strip.sh
+        node scripts/strip.js
         npx asar pack src app.asar
 
     - name: Upload artifact

scripts/strip.js

@@ -0,0 +1,38 @@
+const fs = require('fs');
+const { join } = require('path');
+
+const stripCode = (code) => code
+  .replace(/(^| )\/\/.*$/gm, '')
+  .replaceAll('const ', 'const#')
+  .replaceAll('let ', 'let#')
+  .replaceAll('var ', 'var#')
+  .replaceAll('class ', 'class#')
+  .replaceAll('get ', 'get#')
+  .replaceAll('delete ', 'delete#')
+  .replaceAll(' extends ', '#extends#')
+  .replaceAll('typeof ', 'typeof#')
+  .replaceAll(' of ', '#of#')
+  .replaceAll(' in ', '#in#')
+  .replaceAll('await ', 'await#')
+  .replaceAll('new ', 'new#')
+  .replaceAll('return ', 'return#')
+  .replaceAll('function ', 'function#')
+  .replaceAll('void ', 'void#')
+  .replaceAll('throw ', 'throw#')
+  .replaceAll('async ', 'async#')
+  .replaceAll('else ', 'else#')
+  .replace(/((['"`])[\s\S]*?\2)|[ \n]/g, (_, g1) => g1 || '')
+  .replaceAll('#', ' ')
+  .replaceAll('? ?', '??');
+
+const stripFile = (jsPath) => {
+  console.log(jsPath);
+  fs.writeFileSync(jsPath, stripCode(fs.readFileSync(jsPath, 'utf8')));
+};
+
+const tree = (dirPath) => fs.readdirSync(dirPath).forEach((x) => {
+  if (x.endsWith('.js')) return stripFile(join(dirPath, x));
+  if (!x.includes('.')) return tree(join(dirPath, x));
+});
+
+tree(join(__dirname, '..', 'src'));

scripts/strip.sh

@@ -1,4 +0,0 @@
-#!/bin/sh
-
-find src -type f -name "*.js" -exec sed -i -E 's@[[:blank:]]*([^:]//).*@@;T;/./!d' {} + # Remove // comments (ignore URLs)
-find src -type f -name "*.js" -exec sed -i '/^[[:space:]]*$/d' {} + # Remove whitespace