Feature/apple m1 support

dl_binaries.sh

@@ -7,6 +7,7 @@ version="$(curl -sS https://update.tabnine.com/bundles/version)"
 targets='i686-pc-windows-gnu
     i686-unknown-linux-musl
     x86_64-apple-darwin
+    aarch64-apple-darwin
     x86_64-pc-windows-gnu
     x86_64-unknown-linux-musl'
 

src/binary/paths.ts

@@ -1,3 +1,4 @@
+import * as os from "os";
 import { BINARY_ROOT_PATH } from "../consts";
 
 const ARCHITECTURE = getArch();
@@ -26,7 +27,28 @@ function getSuffix(): string {
   }
 }
 
+function isAppleM1() : boolean {
+  try {
+    if (process.platform !== "darwin") return false;
+
+    if (process.arch === 'arm64') return true;
+
+    const cpus = os.cpus() || [];
+    const cpu = cpus[0];
+    if (cpu && cpu.model === "Apple M1") return true;
+
+  } catch(err) {
+    console.error(err);
+  }
+
+  return false;
+}
+
 function getArch(): string {
+  if (isAppleM1()) {
+    return "aarch64";
+  }
+
   if (process.arch === "x32" || process.arch === "ia32") {
     return "i686";
   }