Removed expo import

Author: EvanBacon

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@expo/browser-polyfill",
-  "version": "0.0.1-alpha.6",
+  "version": "0.1.0",
   "sideEffects": false,
   "description": "Browser polyfill for making React Native compatible with web libs like pixi.js, three.js, phaser.js",
   "homepage": "https://github.com/expo/browser-polyfill#readme",
@@ -47,8 +47,7 @@
     "sync-example": "rsync -rv src example/node_modules/@expo/browser-polyfill && rsync -rv package.json example/node_modules/@expo/browser-polyfill"
   },
   "peerDependencies": {
-    "expo": "^32.0.6",
-    "expo-file-system": "*",
+    "expo-file-system": "^5.0.1",
     "react": "^16.8.6",
     "react-native": "*"
   },

src/DOM/HTMLImageElement.js

@@ -1,5 +1,5 @@
 import { Image } from 'react-native';
-import { FileSystem } from 'expo';
+import * as FileSystem from 'expo-file-system';
 const { writeAsStringAsync, documentDirectory } = FileSystem;
 const EncodingType = FileSystem.EncodingType || FileSystem.EncodingTypes;
 
@@ -8,11 +8,11 @@ import uuidv1 from 'uuid/v1';
 import Element from './Element';
 
 const b64Extensions = {
-  '/' : 'jpg',
-  'i' : 'png',
-  'R' : 'gif',
-  'U' : 'webp',
-}
+  '/': 'jpg',
+  i: 'png',
+  R: 'gif',
+  U: 'webp',
+};
 
 function b64WithoutPrefix(b64) {
   return b64.split(',')[1];
@@ -23,15 +23,14 @@ function getMIMEforBase64String(b64) {
   if (b64.includes(',')) {
     input = b64WithoutPrefix(b64);
   }
-  const first  = input.charAt(0);
+  const first = input.charAt(0);
   const mime = b64Extensions[first];
   if (!mime) {
     throw new Error('Unknown Base64 MIME type: ', b64);
   }
   return mime;
 }
 
-
 class HTMLImageElement extends Element {
   get src() {
     return this.localUri;
@@ -75,7 +74,11 @@ class HTMLImageElement extends Element {
 
   _load() {
     if (this.src) {
-      if (typeof this.src === 'string' && this.src.startsWith && this.src.startsWith('data:')) {
+      if (
+        typeof this.src === 'string' &&
+        this.src.startsWith &&
+        this.src.startsWith('data:')
+      ) {
         // is base64 - convert and try again;
         this._base64 = this.src;
         const base64result = this.src.split(',')[1];