feat(platforms): dual Mac arch downloads with better detection (v1.0.7)

Co-authored-by: Cursor <cursoragent@cursor.com>

src/siteContent.test.ts

@@ -25,6 +25,7 @@ import { MESSAGES, inferLocaleFromLanguages } from "./i18n/messages";
 import {
   detectCpuArch,
   detectOs,
+  parseUaDataArchitecture,
   resolveDownloadHref,
   resolvePlatformDownloadHref,
 } from "./lib/detectOs";
@@ -121,6 +122,8 @@ describe("i18n messages", () => {
     assert.equal(MESSAGES.en.cta.download, "Download");
     assert.equal(MESSAGES.ru.cta.buy, "Купить");
     assert.equal(MESSAGES.en.cta.buy, "Buy");
+    assert.equal(MESSAGES.ru.platforms.macosArch.arm64, "Apple Silicon");
+    assert.equal(MESSAGES.en.platforms.macosArch.x64, "Intel");
   });
 });
 
@@ -156,6 +159,32 @@ describe("detectOs", () => {
     assert.equal(detectCpuArch("Mozilla/5.0 (X11; Linux aarch64)"), "arm64");
   });
 
+  it("parses Client Hints architecture tokens", () => {
+    assert.equal(parseUaDataArchitecture("arm"), "arm64");
+    assert.equal(parseUaDataArchitecture("x86"), "x64");
+    assert.equal(parseUaDataArchitecture("arm64"), "arm64");
+    assert.equal(parseUaDataArchitecture(undefined), "unknown");
+  });
+
+  it("does not guess Intel on opaque Mac user agents", () => {
+    assert.equal(
+      detectCpuArch("Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7)", 0),
+      "unknown",
+    );
+    assert.equal(
+      detectCpuArch("Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7)", 5),
+      "arm64",
+    );
+    assert.equal(
+      detectCpuArch(
+        "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7)",
+        0,
+        "arm",
+      ),
+      "arm64",
+    );
+  });
+
   it("resolves download href by OS", () => {
     const hints = { userAgent: "Mozilla/5.0 (Windows NT 10.0)" };
     assert.equal(
@@ -166,9 +195,17 @@ describe("detectOs", () => {
       resolveDownloadHref("macos", DOWNLOAD_LINKS, {
         userAgent: "Mozilla/5.0 (Macintosh; Intel Mac OS X)",
         maxTouchPoints: 0,
+        uaArchitecture: "x86",
       }),
       DOWNLOAD_LINKS.macos.x64,
     );
+    assert.equal(
+      resolveDownloadHref("macos", DOWNLOAD_LINKS, {
+        userAgent: "Mozilla/5.0 (Macintosh; Intel Mac OS X)",
+        maxTouchPoints: 0,
+      }),
+      DOWNLOAD_LINKS.macos.arm64,
+    );
     assert.equal(
       resolveDownloadHref("linux", DOWNLOAD_LINKS, {
         userAgent: "Mozilla/5.0 (X11; Linux aarch64)",