initial commit

scripts/serviceworker.js

@@ -0,0 +1,27 @@
+import { readdir, readFile, writeFile } from "node:fs/promises";
+import { createHash } from "node:crypto";
+const assets = [
+  "/",
+  "/manifest.webmanifest",
+  "/icon.svg",
+  "/icon-192.png",
+  "/icon-512.png",
+  ...(await readdir("dist/assets"))
+    .filter((f) => /\.(js|css)$/.test(f))
+    .map((f) => "/assets/" + f),
+  ...(await readdir("dist/fonts"))
+    .filter((f) => f === "RobotoFlex-Variable.ttf")
+    .map((f) => "/fonts/" + f),
+];
+const rev = createHash("sha256")
+  .update(assets.join("|"))
+  .digest("hex")
+  .slice(0, 12);
+const template = await readFile("public/sw.js", "utf8");
+await writeFile(
+  "dist/sw.js",
+  template
+    .replace("__REVISION__", rev)
+    .replace("/* build assets */ []", JSON.stringify(assets)),
+);
+console.log(`Офлайн-кэш: ${assets.length} ресурсов (${rev}).`);