html: use file-saver to save file

html/package.json

@@ -60,6 +60,7 @@
   "dependencies": {
     "backoff": "^2.5.0",
     "decko": "^1.2.0",
+    "file-saver": "^2.0.2",
     "preact": "^10.0.5",
     "xterm": "^4.2.0",
     "xterm-addon-fit": "^0.3.0",

html/src/components/zmodem/index.tsx

@@ -1,5 +1,6 @@
 import { bind } from 'decko';
 import { h, Component } from 'preact';
+import { saveAs } from 'file-saver';
 import { IDisposable, ITerminalAddon, Terminal } from 'xterm';
 import * as Zmodem from 'zmodem.js/src/zmodem_browser';
 
@@ -76,7 +77,7 @@ export class ZmodemAddon extends Component<Props, State> implements ITerminalAdd
 
     @bind
     private zmodemWrite(data: ArrayBuffer): void {
-        this.terminal.writeUtf8(new Uint8Array(data));
+        this.terminal.write(new Uint8Array(data));
     }
 
     @bind
@@ -132,7 +133,10 @@ export class ZmodemAddon extends Component<Props, State> implements ITerminalAdd
             });
             offer
                 .accept()
-                .then(() => Zmodem.Browser.save_to_disk(fileBuffer, offer.get_details().name))
+                .then(() => {
+                    const blob = new Blob(fileBuffer, { type: 'application/octet-stream' });
+                    saveAs(blob, offer.get_details().name);
+                })
                 .catch(e => handleError(e, 'receive'));
         });
 

html/yarn.lock

@@ -2667,6 +2667,11 @@ figures@^2.0.0:
   dependencies:
     escape-string-regexp "^1.0.5"
 
+file-saver@^2.0.2:
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/file-saver/-/file-saver-2.0.2.tgz#06d6e728a9ea2df2cce2f8d9e84dfcdc338ec17a"
+  integrity sha512-Wz3c3XQ5xroCxd1G8b7yL0Ehkf0TC9oYC6buPFkNnU9EnaPlifeAFCyCh+iewXTyFRcg0a6j3J7FmJsIhlhBdw==
+
 fill-range@^4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/fill-range/-/fill-range-4.0.0.tgz#d544811d428f98eb06a63dc402d2403c328c38f7"