feat(plugin): add imagePicker plugin

src/plugins/imagepicker.ts

@@ -0,0 +1,61 @@
+import {Plugin, Cordova} from './plugin';
+
+export interface ImagePickerOptions {
+    // max images to be selected, defaults to 15. If this is set to 1, upon
+    // selection of a single image, the plugin will return it.
+    maximumImagesCount?: number,
+
+    // max width and height to allow the images to be.  Will keep aspect
+    // ratio no matter what.  So if both are 800, the returned image
+    // will be at most 800 pixels wide and 800 pixels tall.  If the width is
+    // 800 and height 0 the image will be 800 pixels wide if the source
+    // is at least that wide.
+    width?: number,
+    height?: number,
+
+    // quality of resized image, defaults to 100
+    quality?: number
+}
+
+/**
+ * @name imagePicker
+ * @description
+ * Cordova Plugin For Multiple Image Selection
+ *
+ * Requires Cordova plugin: `cordova-plugin-image-picker`.
+ * For more info, please see the https://github.com/wymsee/cordova-imagePicker
+ *
+ * @usage
+ * ```js
+ * ImagePiker.getPictures(options).then((results) => {
+ *   for (var i = 0; i < results.length; i++) {
+ *       console.log('Image URI: ' + results[i]);
+ *   }
+ * }, (err) => {
+ * });
+ * ```
+ */
+@Plugin({
+  plugin: 'cordova-plugin-image-picker',
+  pluginRef: 'navigator.imagepicker',
+  repo: 'https://github.com/wymsee/cordova-imagePicker'
+})
+export class ImagePicker {
+  /**
+   * Pick pictures from the library.
+   * @param {ImagePickerOptions} options
+   * @return Returns a Promise that resolves the image file URI
+   * otherwise rejects with an error.
+   */
+  @Cordova({
+    callbackOrder: 'reverse'
+  })
+  static getPictures(options: ImagePickerOptions) {
+    // This Promise is replaced by one from the @Cordova decorator that wraps
+    // the plugin's callbacks. We provide a dummy one here so TypeScript
+    // knows that the correct return type is Promise, because there's no way
+    // for it to know the return type from a decorator.
+    // See https://github.com/Microsoft/TypeScript/issues/4881
+    return new Promise<any>((res, rej) => {});
+  };
+}