Add files via upload

Author: BTNBx

build.mjs

@@ -0,0 +1,29 @@
+import { build, context } from 'esbuild';
+import { readFileSync } from 'fs';
+
+const pkg = JSON.parse(readFileSync('package.json', 'utf8'));
+const watch = process.argv.includes('--watch');
+
+const banner = `// xPower Flow Card v${pkg.version}\n// Copyright (C) 2025 BTNBx — MIT License\n`;
+
+const opts = {
+  entryPoints: ['src/xpower-flow-card.js'],
+  outfile: 'xpower-flow-card.js',
+  bundle: false,
+  minify: true,
+  sourcemap: false,
+  target: ['es2020'],
+  banner: { js: banner },
+  logLevel: 'info',
+};
+
+if (watch) {
+  const ctx = await context(opts);
+  await ctx.watch();
+  console.log('Watching for changes...');
+} else {
+  await build(opts);
+  const { statSync } = await import('fs');
+  const s = statSync('xpower-flow-card.js');
+  console.log(`Output: xpower-flow-card.js (${(s.size / 1024).toFixed(1)} KB)`);
+}

package.json

@@ -0,0 +1,33 @@
+{
+  "name": "xpower-flow-card",
+  "version": "1.2.4",
+  "description": "Universal power flow card for solar hybrid inverters in Home Assistant",
+  "author": "BTNBx",
+  "license": "MIT",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/BTNBx/xPower-Flow-Card"
+  },
+  "keywords": [
+    "home-assistant",
+    "lovelace",
+    "custom-card",
+    "solar",
+    "inverter",
+    "energy",
+    "deye",
+    "sunsynk",
+    "huawei",
+    "fronius",
+    "growatt",
+    "victron",
+    "solaredge"
+  ],
+  "scripts": {
+    "build": "node build.mjs",
+    "watch": "node build.mjs --watch"
+  },
+  "devDependencies": {
+    "esbuild": "^0.25.0"
+  }
+}