web streams polyfill

Author: ctlai95

package-lock.json

@@ -72,6 +72,7 @@
     "dependencies": {
         "@zip.js/zip.js": "^2.7.41",
         "vscode-nls": "^5.2.0",
-        "vscode-nls-dev": "^4.0.4"
+        "vscode-nls-dev": "^4.0.4",
+        "web-streams-polyfill": "^4.0.0"
     }
 }

package.json

@@ -6,6 +6,9 @@
 import { WritableStreamBuffer } from 'stream-buffers'
 import crypto from 'crypto'
 import { readFileAsString } from '../filesystemUtilities'
+global.TransformStream = require('web-streams-polyfill').TransformStream
+global.ReadableStream = require('web-streams-polyfill').ReadableStream
+global.WritableStream = require('web-streams-polyfill').WritableStream
 // Use require instead of import since this package doesn't support commonjs
 const { ZipWriter, TextReader } = require('@zip.js/zip.js')