fix(datepicker): fix plugin functionality

src/plugins/datepicker.ts

@@ -1,26 +1,91 @@
 import {Plugin, Cordova} from './plugin';
 
+export interface datePickerOptions {
+  /**
+   * Platforms: iOS, Android, Windows
+   * The mode of the date picker
+   * Values: date | time | datetime
+   * Default: date
+   */
+  mode?: string,
+
+  /**
+   * Platforms: iOS, Android, Windows
+   * Selected date
+   * Default: new Date()
+   */
+  date?: Date,
+
+  /**
+   * Platforms: iOS, Android, Windows
+   * Minimum date
+   * Type: Date | empty String
+   * Default: empty String
+   */
+  minDate?: Date,
+
+  /**
+   * Platforms: iOS, Android, Windows
+   * Maximum date
+   * Type: Date | empty String
+   * Default: empty String
+   */
+  maxDate?: Date,
+
+  /**
+   * Platforms: Android
+   * Label for the dialog title. If empty, uses android default (Set date/Set time).
+   * Type: String
+   * Default: empty String
+   */
+  titleText?: string,
+
+  /**
+   * Platforms: Android
+   * Label of BUTTON_POSITIVE (done button) on Android
+   */
+  okText?: string,
+
+  // TODO complete documentation here, and copy params & docs to main plugin docs
+  cancelText?: string,
+  todayText?: string,
+  nowText?: string,
+  is24Hour?: boolean,
+  androidTheme?: number,
+  allowOldDate?: boolean,
+  allowFutureDates?: boolean,
+  doneButtonLabel?: string,
+  doneButtonColor?: string,
+  cancelButtonLabel?: string,
+  cancelButtonColor?: string,
+  x?: number,
+  y?: number,
+  minuteInterval?: number,
+  popoverArrowDirection?: string,
+  locale?: string
+}
+
 /**
  * The DatePicker plugin allows the user to fetch date or time using native dialogs.
  *
  * Platforms supported: iOS, Android, Windows
  *
- * Requires Cordova plugin: `cordova-plugin-datepicker`. For more info, please see the [Datepicker plugin docs](https://github.com/VitaliiBlagodir/cordova-plugin-datepicker).
+ * Requires Cordova plugin: `cordova-plugin-datepicker`. For more info, please see the [DatePicker plugin docs](https://github.com/VitaliiBlagodir/cordova-plugin-datepicker).
  *
  * Install the plugin by running the following command:
  * ```shell
- * ionic plugin add cordova-plugin-datepicker
+ * cordova plugin add https://github.com/VitaliiBlagodir/cordova-plugin-datepicker.git
  * ```
  *
  * @usage
  * ```js
- * DatePicker.
+ * DatePicker.show();
  * ```
  *
  */
 @Plugin({
-  plugin: 'cordova-plugin-datepicker',
-  pluginRef: 'plugins.datePicker'
+  plugin: 'https://github.com/VitaliiBlagodir/cordova-plugin-datepicker.git',
+  pluginRef: 'datePicker'
 })
 export class DatePicker {
 
@@ -30,30 +95,12 @@ export class DatePicker {
    * @returns {Promise<Date>} Returns a promise that resolves with the picked date and/or time, or rejects with an error.
    */
   @Cordova()
-  static show(options?: {
-    mode?: string,
-    date?: Date,
-    minDate?: Date,
-    maxDate?: Date,
-    titleText?: string,
-    okText?: string,
-    cancelText?: string,
-    todayText?: string,
-    nowText?: string,
-    is24Hour?: boolean,
-    androidTheme?: number,
-    allowOldDate?: boolean,
-    allowFutureDates?: boolean,
-    doneButtonLabel?: string,
-    doneButtonColor?: string,
-    cancelButtonLabel?: string,
-    cancelButtonColor?: string,
-    x?: number,
-    y?: number,
-    minuteInterval?: number,
-    popoverArrowDirection?: string,
-    locale?: string
-  }): Promise<Date> {
+  static show(options?: datePickerOptions): Promise<Date> {
+    // 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<Date>((res, rej) => {});
   }