fix: unicode char display error

Author: conwnet

extensions/github1s/package.json

@@ -40,21 +40,21 @@
     },
     "commands": [
       {
-				"command": "github1s.update-token",
-				"title": "Update GitHub OAuth Token",
-				"category": "GitHub1s"
-			},
+        "command": "github1s.update-token",
+        "title": "Update GitHub OAuth Token",
+        "category": "GitHub1s"
+      },
       {
-				"command": "github1s.validate-token",
-				"title": "Validate Current GitHub OAuth Token",
-				"category": "GitHub1s"
-			},
+        "command": "github1s.validate-token",
+        "title": "Validate Current GitHub OAuth Token",
+        "category": "GitHub1s"
+      },
       {
-				"command": "github1s.clear-token",
-				"title": "Clear Current GitHub OAuth Token",
-				"category": "GitHub1s"
-			}
-		]
+        "command": "github1s.clear-token",
+        "title": "Clear Current GitHub OAuth Token",
+        "category": "GitHub1s"
+      }
+    ]
   },
   "scripts": {
     "clean": "rm -rf dist out",

extensions/github1s/src/github1sfs.ts

@@ -15,7 +15,7 @@ import {
   FileType,
   Uri,
 } from 'vscode';
-import { noop, dirname, reuseable } from './util';
+import { noop, dirname, reuseable,  b64DecodeUnicode} from './util';
 import { readGitHubDirectory, readGitHubFile } from './api';
 
 export class File implements FileStat {
@@ -172,7 +172,7 @@ export class GitHub1sFS implements FileSystemProvider, Disposable {
 
 			const encoder = new TextEncoder();
 			return readGitHubFile(uri, file.sha).then(blob => {
-				file.data = encoder.encode(atob(blob.content));
+				file.data = encoder.encode(b64DecodeUnicode(blob.content));
 				return file.data;
 			});
 		})

extensions/github1s/src/util/index.ts

@@ -66,3 +66,11 @@ export const getWebviewOptions = (extensionUri: vscode.Uri): vscode.WebviewOptio
 		localResourceRoots: [vscode.Uri.joinPath(extensionUri, 'assets')]
 	};
 };
+
+export const b64DecodeUnicode = (str) => {
+  // https://stackoverflow.com/questions/30106476/using-javascripts-atob-to-decode-base64-doesnt-properly-decode-utf-8-strings
+	// Going backwards: from bytestream, to percent-encoding, to original string.
+	return decodeURIComponent(atob(str).split('').map(function(c) {
+			return '%' + ('00' + c.charCodeAt(0).toString(16)).slice(-2);
+	}).join(''));
+}