Add zip script

.gitignore

@@ -4,3 +4,4 @@ pull_locales_login.rb
 node_modules/
 package-lock.json
 yarn.lock
+*.zip

package.json

@@ -6,6 +6,7 @@
   "repository": "openstyles/stylus",
   "author": "Stylus Team",
   "devDependencies": {
+    "archiver": "^2.1.1",
     "codemirror": "^5.39.2",
     "eslint": "^5.1.0",
     "fs-extra": "^7.0.0",
@@ -21,6 +22,7 @@
     "build": "npm run update && npm run build:cm",
     "build:cm": "node tools/update-libraries.js && node tools/update-codemirror-themes.js",
     "lint": "eslint **/*.js || true",
-    "update": "updates -u && npm update"
+    "update": "updates -u && npm update",
+    "zip": "node tools/zip.js"
   }
 }

tools/zip.js

@@ -0,0 +1,59 @@
+#!/usr/bin/env node
+'use strict';
+
+const fs = require('fs');
+const archiver = require('archiver');
+
+function createZip() {
+  const fileName = 'stylus.zip';
+  const includes = [
+    '_locales/*',
+    'background/*',
+    'content/*',
+    'edit/*',
+    'images/*',
+    'install-usercss/*',
+    'js/*',
+    'manage/*',
+    'msgbox/*',
+    'options/*',
+    'popup/*',
+    'vendor/*',
+    'vendor-overwrites/*',
+    '*.html',
+    '*.css',
+    'manifest.json',
+    'LICENSE',
+    'README.md'
+  ];
+
+  const file = fs.createWriteStream(fileName);
+  const archive = archiver('zip');
+  return new Promise((resolve, reject) => {
+    archive.on('finish', () => {
+      resolve();
+    });
+    archive.on('warning', err => {
+      if (err.code === 'ENOENT') {
+        console.log('\x1b[33m%s\x1b[0m', 'Warning', err.message);
+      } else {
+        reject();
+        throw err;
+      }
+    });
+    archive.on('error', err => {
+      reject();
+      throw err;
+    });
+
+    archive.pipe(file);
+    includes.forEach(file => archive.glob(file));
+    archive.finalize();
+  });
+}
+
+createZip()
+  .then(() => console.log('\x1b[32m%s\x1b[0m', 'Stylus zip complete'))
+  .catch(err => {
+    throw err;
+  });