Created types definition

index.d.ts

@@ -0,0 +1,56 @@
+import * as React from 'react';
+import { ObjectOverwrite } from 'typelevel-ts';
+import { ImageProperties, ImageStatic } from 'react-native';
+
+declare namespace FastImage {
+
+  export namespace priority {
+    type low = 'low';
+    type normal = 'normal';
+    type high = 'high';
+  }
+
+  type priority =
+    FastImage.priority.low |
+    FastImage.priority.normal |
+    FastImage.priority.high;
+
+  export namespace resizeMode {
+    type contain = 'contain';
+    type cover = 'cover';
+    type stretch = 'stretch';
+    type center = 'center';
+  }
+
+  export type resizeMode =
+    FastImage.resizeMode.contain |
+    FastImage.resizeMode.cover |
+    FastImage.resizeMode.stretch |
+    FastImage.resizeMode.center
+}
+
+export type FastImageSource = {
+  uri?: string,
+  headers?: object;
+  priority?: FastImage.priority;
+};
+
+export type FastImageProperties = ObjectOverwrite<ImageProperties, {
+  source: FastImageSource | number,
+  resizeMode?: FastImage.resizeMode;
+  onLoadStart?(): void;
+  onprogress?(event: any): void;
+  onLoad?(): void;
+  onError?(): void;
+  onLoadEnd?(): void;
+}>;
+
+interface FastImageStatic extends React.ComponentClass<FastImageProperties> {
+  resizeMode: FastImage.resizeMode;
+  preload(sources: Array<FastImageProperties['source']>): void;
+}
+
+declare var FastImage: FastImageStatic;
+type FastImage = FastImageStatic;
+
+export default FastImage;