v4.0.20200531

.gitignore

@@ -1,2 +1,3 @@
 node_modules
 package-lock.json
+npm-debug.log

.travis.yml

@@ -1,10 +1,9 @@
 language:
   - node_js
 node_js:
-  - "6"
-  - "8"
   - "10"
   - "12"
+  - "14"
 jobs:
   include:
     - stage: lint

Blob.js

@@ -256,7 +256,7 @@
 
 		function FakeBlobBuilder () {
 			function isDataView (obj) {
-				return obj && DataView.prototype.isPrototypeOf(obj);
+				return obj && Object.prototype.isPrototypeOf.call(DataView, obj);
 			}
 			function bufferClone (buf) {
 				var view = new Array(buf.byteLength);
@@ -352,7 +352,7 @@
 						chunks[i] = chunk._buffer;
 					} else if (typeof chunk === "string") {
 						chunks[i] = textEncode(chunk);
-					} else if (arrayBufferSupported && (ArrayBuffer.prototype.isPrototypeOf(chunk) || isArrayBufferView(chunk))) {
+					} else if (arrayBufferSupported && (Object.prototype.isPrototypeOf.call(ArrayBuffer, chunk) || isArrayBufferView(chunk))) {
 						chunks[i] = bufferClone(chunk);
 					} else if (arrayBufferSupported && isDataView(chunk)) {
 						chunks[i] = bufferClone(chunk.buffer);
@@ -521,7 +521,7 @@
 			);
 
 			// Monkey patched
-			// IE don't set Content-Type header on XHR whose body is a typed Blob
+			// IE doesn't set Content-Type header on XHR whose body is a typed Blob
 			// https://developer.microsoft.com/en-us/microsoft-edge/platform/issues/6047383
 			var _send = global.XMLHttpRequest && global.XMLHttpRequest.prototype.send;
 			if (isIE && _send) {

CHANGELOG.md

@@ -1,5 +1,14 @@
 # `blob-polyfill` CHANGELOG
 
+## v4.0.20200531
+* [Blob.js] Do not attempt to set readonly property Symbols (@bjornstar)
+* [Blob.js] Do not use prototype built-ins (@bjornstar)
+* [.travis.yml] Drop testing for node v6 and v8 (@bjornstar)
+* [.travis.yml] Add testing for node v14 (@bjornstar)
+* [package.json] Update devDependencies: `eslint` & `mocha` (@bjornstar)
+* [.gitignore] Add `npm-debug.log` (@bjornstar)
+* [README] Add usage examples to encourage non-global use of Blob (@bjornstar)
+
 ## v4.0.20190430
 * A complete rewrite of Blob.js (@jimmywarting)
 * Restore the UMD wrapper (@bjornstar)

README.md

@@ -21,6 +21,17 @@ To install this library, run:
 $ npm install blob-polyfill --save
 ```
 
+## Usage
+
+CommonJS:
+```js
+var Blob = require('blob-polyfill').Blob;
+```
+
+AMD
+```js
+import { Blob } from 'blob-polyfill';
+```
 
 ## Supported browsers
 

package.json

@@ -1,6 +1,6 @@
 {
   "name": "blob-polyfill",
-  "version": "4.0.20190430",
+  "version": "4.0.20200531",
   "description": "Blob.js implements the W3C Blob interface in browsers that do not natively support it.",
   "main": "Blob.js",
   "scripts": {
@@ -22,7 +22,7 @@
   },
   "homepage": "https://github.com/bjornstar/blob-polyfill",
   "devDependencies": {
-    "eslint": "^5.16.0",
-    "mocha": "^6.1.4"
+    "eslint": "^7.1.0",
+    "mocha": "^7.2.0"
   }
 }