Update dependencies

Signed-off-by: Richie Bendall <richiebendall@gmail.com>

.travis.yml

@@ -1,10 +1,13 @@
 language: node_js
+
 node_js:
   - "lts/*"
   - "node"
+
 script:
   - npm run lint
   - npm run coverage
+
 cache:
   directories:
     - node_modules

index.d.ts

@@ -3,10 +3,10 @@
 /** A file-like object of immutable, raw data. Blobs represent data that isn't necessarily in a JavaScript-native format. The File interface is based on Blob, inheriting blob functionality and expanding it to support files on the user's system. */
 declare interface FetchBlob extends Blob {
 	[Symbol.toStringTag]: 'Blob';
-	stream(): ReadableStream;
-	text(): Promise<string>;
-	arrayBuffer(): Promise<ArrayBuffer>;
-	toString(): '[object Blob]';
+	stream: () => ReadableStream;
+	text: () => Promise<string>;
+	arrayBuffer: () => Promise<ArrayBuffer>;
+	toString: () => '[object Blob]';
 
 }
 

index.js

@@ -1,7 +1,7 @@
 // Based on https://github.com/tmpvar/jsdom/blob/aa85b2abf07766ff7bf5c1f6daafb3726f2f2db5/lib/jsdom/living/blob.js
 // (MIT licensed)
 
-const {Readable} = require('stream');
+const {Readable: ReadableStream} = require('stream');
 
 const BUFFER = Symbol('buffer');
 const TYPE = Symbol('type');
@@ -68,7 +68,7 @@ class Blob {
 	}
 
 	stream() {
-		const readable = new Readable();
+		const readable = new ReadableStream();
 		readable._read = () => { };
 		readable.push(this[BUFFER]);
 		readable.push(null);

package.json

@@ -28,12 +28,12 @@
   },
   "homepage": "https://github.com/node-fetch/fetch-blob#readme",
   "devDependencies": {
-    "ava": "^3.7.0",
-    "codecov": "^3.6.5",
+    "ava": "^3.8.2",
+    "codecov": "^3.7.0",
     "get-stream": "^5.1.0",
     "node-fetch": "^2.6.0",
     "nyc": "^15.0.1",
-    "xo": "^0.29.1"
+    "xo": "^0.30.0"
   },
   "xo": {
     "overrides": [