AI Service Reliability Monitor & Failover Switch v1.0.0

generate-icons.cjs

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+const fs = require('fs');
+const path = require('path');
+const zlib = require('zlib');
+
+function crc32(buf) {
+  let c = ~0;
+  const table = Array.from({ length: 256 }, (_, n) => {
+    let c = n;
+    for (let k = 0; k < 8; k++) {
+      c = c & 1 ? 0xEDB88320 ^ (c >>> 1) : c >>> 1;
+    }
+    return c >>> 0;
+  });
+  for (let i = 0; i < buf.length; i++) {
+    c = table[(c ^ buf[i]) & 0xff] ^ (c >>> 1);
+  }
+  return ~(c >>> 0) >>> 0;
+}
+
+function pngChunk(type, data) {
+  const typeBuf = Buffer.from(type, 'ascii');
+  const buf = Buffer.concat([typeBuf, data]);
+  const crc = crc32(buf);
+  const len = Buffer.allocUnsafe(4);
+  len.writeUInt32BE(data.length, 0);
+  const crcBuf = Buffer.allocUnsafe(4);
+  crcBuf.writeUInt32BE(crc, 0);
+  return Buffer.concat([len, buf, crcBuf]);
+}
+
+function createSolidPng(size, r, g, b) {
+  const header = Buffer.from([0x89, 0x50, 0x4E, 0x47, 0x0D, 0x0A, 0x1A, 0x0A]);
+
+  const ihdr = Buffer.allocUnsafe(13);
+  ihdr.writeUInt32BE(size, 0);  // width
+  ihdr.writeUInt32BE(size, 4);  // height
+  ihdr[8] = 8;   // bit depth
+  ihdr[9] = 2;   // color type (RGB)
+  ihdr[10] = 0;  // compression
+  ihdr[11] = 0;  // filter method
+  ihdr[12] = 0;  // interlace
+
+  const row = Buffer.allocUnsafe(1 + size * 3);
+  row[0] = 0; // filter byte
+  for (let x = 0; x < size; x++) {
+    row[1 + x * 3] = r;
+    row[1 + x * 3 + 1] = g;
+    row[1 + x * 3 + 2] = b;
+  }
+  const rawData = Buffer.concat(Array.from({ length: size }, () => row));
+  const idat = zlib.deflateSync(rawData, { level: 9 });
+
+  return Buffer.concat([header, pngChunk('IHDR', ihdr), pngChunk('IDAT', idat), pngChunk('IEND', Buffer.alloc(0))]);
+}
+
+const dir = path.join(__dirname, 'public', 'icons');
+fs.mkdirSync(dir, { recursive: true });
+
+const sizes = [16, 48, 128];
+const colors = { 16: [59, 130, 246], 48: [59, 130, 246], 128: [59, 130, 246] };
+
+for (const size of sizes) {
+  const [r, g, b] = colors[size];
+  const png = createSolidPng(size, r, g, b);
+  fs.writeFileSync(path.join(dir, `icon${size}.png`), png);
+  console.log(`Generated icon${size}.png`);
+}