Bring own multibyteBtoa to reduce deps

build/web-extension.webpack.config.js

@@ -20,7 +20,6 @@ module.exports = /** @type WebpackConfig */ {
             process: "process/browser"
         },
         fallback: {
-            "path": require.resolve('path-browserify'),
             "fs": false
         }
     },

package.json

@@ -173,10 +173,8 @@
     "package-web": "webpack --mode production --devtool hidden-source-map --config ./build/web-extension.webpack.config.js"
   },
   "devDependencies": {
-    "@types/base-64": "^1.0.0",
     "@types/node": "^16",
-    "@types/utf8": "^3.0.0",
-    "@types/vscode": "^1.44.0",
+    "@types/vscode": "^1.75.0",
     "@typescript-eslint/eslint-plugin": "^5.59.0",
     "@typescript-eslint/parser": "^5.59.0",
     "eslint": "^8.42.0",
@@ -188,8 +186,6 @@
     "webpack-cli": "^4.8.0"
   },
   "dependencies": {
-    "base-64": "^1.0.0",
-    "gemoji": "^8.1.0",
-    "utf8": "^3.0.0"
+    "gemoji": "^8.1.0"
   }
 }

src/DecoratorProvider.ts

@@ -1,6 +1,6 @@
-import base64 from 'base-64';
-import utf8 from 'utf8';
-import * as vscode from "vscode";
+
+import { TextEncoder } from 'util';
+import * as vscode from 'vscode';
 import { Configuration } from './configuration';
 import { Emoji, EmojiProvider } from './emoji';
 
@@ -95,7 +95,20 @@ export default class DecoratorProvider extends vscode.Disposable {
 <svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px" width="${width}px" height="${height}px" viewBox="0 0 ${width} ${height}" xml:space="preserve">
      <text x="50%" y="50%" text-anchor="middle" alignment-baseline="central" font-size="120">${emoji.emoji}</text>
 </svg>`;
-        const dataUri = 'data:image/svg+xml;charset=UTF-8;base64,' + base64.encode(utf8.encode(src));
+        const dataUri = 'data:image/svg+xml;charset=UTF-8;base64,' + multibyteBtoa(src);
         return `![](${dataUri})`;
     }
 }
+
+/**
+ * From https://developer.mozilla.org/en-US/docs/Web/API/WindowOrWorkerGlobalScope/btoa
+ */
+function multibyteBtoa(str: string): string {
+    const encoder = new TextEncoder();
+    let binary = '';
+    const uint8array = encoder.encode(str);
+    for (let i = 0; i < uint8array.length; i++) {
+        binary += String.fromCharCode(uint8array[i]);
+    }
+    return btoa(binary);
+}