feat: add typescript types (#13)

Author: jayu

package.json

@@ -3,6 +3,7 @@
   "version": "1.0.0",
   "description": "React Native Image Editing native modules for iOS & Android",
   "main": "lib/ImageEditor.js",
+  "typings": "typings/index.d.ts",
   "author": "Dawid Urbaniak <dawidu@onet.pl>",
   "contributors": [],
   "homepage": "https://github.com/react-native-community/react-native-image-editor#readme",

typings/index.d.ts

@@ -0,0 +1,59 @@
+type $Maybe<T> = T | null | undefined;
+
+export type ImageCropData = {
+  /**
+   * The top-left corner of the cropped image, specified in the original
+   * image's coordinate space.
+   */
+  offset: {
+    x: number,
+    y: number,
+  },
+  /**
+   * The size (dimensions) of the cropped image, specified in the original
+   * image's coordinate space.
+   */
+  size: {
+    width: number,
+    height: number,
+  },
+  /**
+   * (Optional) size to scale the cropped image to.
+   */
+  displaySize?: $Maybe<{
+    width: number,
+    height: number,
+  }>,
+  /**
+   * (Optional) the resizing mode to use when scaling the image. If the
+   * `displaySize` param is not specified, this has no effect.
+   */
+  resizeMode?: $Maybe<{
+    contain: string,
+    cover: string,
+    stretch: string,
+  }>,
+};
+
+declare class ImageEditor {
+  /**
+   * Crop the image specified by the URI param. If URI points to a remote
+   * image, it will be downloaded automatically. If the image cannot be
+   * loaded/downloaded, the failure callback will be called. On Android, a
+   * downloaded image may be cached in external storage, a publicly accessible
+   * location, if it has more available space than internal storage.
+   *
+   * If the cropping process is successful, the resultant cropped image
+   * will be stored in the ImageStore, and the URI returned in the success
+   * callback will point to the image in the store. Remember to delete the
+   * cropped image from the ImageStore when you are done with it.
+   */
+  static cropImage: (
+    uri: string,
+    cropData: ImageCropData,
+    success: (uri: string) => void,
+    failure: (error: Object) => void,
+  ) => void
+}
+
+export default ImageEditor