Add URI util

Author: wkh237

src/utils/uri.js

@@ -0,0 +1,28 @@
+export default {
+
+  isFileURI : (uri:string):boolean => {
+    if(typeof uri !== 'string')
+      return false
+    return /^RNFetchBlob-file\:\/\//.test(uri)
+  },
+
+  isJSONStreamURI : (uri:string):boolean => {
+    if(typeof uri !== 'string')
+      return false
+    return /^JSONStream\:\/\//.test(uri)
+  },
+
+  removeURIScheme : (uri:string, iterations:number):string => {
+    iterations = iterations || 1
+    let result = uri
+    for(let i=0;i<iterations;i++) {
+      result = String(result).replace(/^[^\:]+\:\/\//, '')
+    }
+    return String(result)
+  },
+
+  unwrapFileURI : (uri:string):string => {
+    return String(uri).replace(/^RNFetchBlob-file\:\/\//, '')
+  }
+
+}