build: 采用electron-builder标准NSIS安装器

scripts/generate-icon.mjs

@@ -0,0 +1,79 @@
+import fs from "node:fs";
+import path from "node:path";
+import process from "node:process";
+import { PNG } from "pngjs";
+
+const root = process.cwd();
+const output = path.join(root, "build", "icon.ico");
+const size = 256;
+const png = new PNG({ width: size, height: size });
+const glyph = [
+  "0111000000",
+  "1000100000",
+  "1000100000",
+  "1000100000",
+  "1111100000",
+  "1000100000",
+  "1000100000",
+  "1000100000",
+  "1000100000",
+  "1000100000"
+];
+
+function insideRoundedSquare(x, y, radius) {
+  const clampX = Math.min(Math.max(x, radius), size - 1 - radius);
+  const clampY = Math.min(Math.max(y, radius), size - 1 - radius);
+  return (x - clampX) ** 2 + (y - clampY) ** 2 <= radius ** 2;
+}
+
+for (let y = 0; y < size; y += 1) {
+  for (let x = 0; x < size; x += 1) {
+    const index = (size * y + x) << 2;
+    const visible = insideRoundedSquare(x, y, 34);
+    const gradient = (x + y) / (2 * (size - 1));
+    png.data[index] = visible ? Math.round(37 + (30 - 37) * gradient) : 0;
+    png.data[index + 1] = visible ? Math.round(99 + (58 - 99) * gradient) : 0;
+    png.data[index + 2] = visible ? Math.round(235 + (138 - 235) * gradient) : 0;
+    png.data[index + 3] = visible ? 255 : 0;
+
+    if (visible) {
+      const glyphX = Math.round((x - 78) / 10);
+      const glyphY = Math.round((y - 68) / 12);
+      if (glyphY >= 0 && glyphY < glyph.length && glyphX >= 0 && glyphX < glyph[glyphY].length && glyph[glyphY][glyphX] === "1") {
+        png.data[index] = 255;
+        png.data[index + 1] = 255;
+        png.data[index + 2] = 255;
+        png.data[index + 3] = 255;
+      }
+    }
+  }
+}
+
+const chunks = [];
+png.pack()
+  .on("data", (chunk) => chunks.push(chunk))
+  .on("end", () => {
+    const image = Buffer.concat(chunks);
+    const directory = Buffer.alloc(6);
+    directory.writeUInt16LE(0, 0);
+    directory.writeUInt16LE(1, 2);
+    directory.writeUInt16LE(1, 4);
+
+    const entry = Buffer.alloc(16);
+    entry[0] = 0;
+    entry[1] = 0;
+    entry[2] = 0;
+    entry[3] = 0;
+    entry.writeUInt16LE(1, 4);
+    entry.writeUInt16LE(32, 6);
+    entry.writeUInt32LE(image.length, 8);
+    entry.writeUInt32LE(22, 12);
+
+    fs.mkdirSync(path.dirname(output), { recursive: true });
+    fs.writeFileSync(output, Buffer.concat([directory, entry, image]));
+    console.log(`[icon] generated ${output} (${image.length + 22} bytes)`);
+  })
+  .on("error", (error) => {
+    console.error(error);
+    process.exitCode = 1;
+  });