plugin: add typescript type definitions

Adds TypeScript type definitions to the plugin.

PR-URL: #12
Reviewed-By: Jaime Bernardo <[email protected]>

index.d.ts

@@ -0,0 +1,70 @@
+declare module "nodejs-mobile-react-native" {
+  export interface NodeJs {
+    /**
+     * Starts the nodejs-mobile runtime thread with a file inside the nodejs-project directory
+     * @param scriptFileName 
+     * @param options 
+     */
+    start: (scriptFileName: string, options?: StartupOptions) => void
+    /**
+     * Starts the nodejs-mobile runtime thread with a script body
+     * @param scriptBody 
+     * @param options 
+     */
+    startWithScript: (scriptBody: string, options?: StartupOptions) => void
+    channel: Channel;
+  }
+  export interface Channel {
+    /**
+     * Registers a callback for user-defined events raised from the nodejs-mobile side
+     * @param event 
+     * @param callback a function that accepts any JS type that can be serialized with JSON.stringify 
+     * and deserialized with JSON.parse of the type: `boolean`, `number`, `string`, `object`, or `array`
+     * @param context
+     */
+    addListener: (event: string, callback: ChannelCallback, context?: any) => void;
+    /**
+     * Removes the listener for the user-defined events raised from the nodejs-mobile side
+     * @param event 
+     * @param callback a function that accepts any JS type that can be serialized with JSON.stringify 
+     * and deserialized with JSON.parse of the type: `boolean`, `number`, `string`, `object`, or `array`
+     * @param context
+     */
+    removeListener: (event: string, callback: ChannelCallback, context?: any) => void;
+    /**
+     * Raises a user-defined event on the nodejs-mobile side
+     * - accepts any JS type that can be serialized with JSON.stringify and deserialized with JSON.parse
+     * - can accept multiple message arguments
+     * @param event 
+     * @param message can be of type: `boolean`, `number`, `string`, `object`, or `array`
+     */
+    post: (event: string, ...message: any[]) => void;
+    /**
+     * Raises a `'message'` event on the nodejs-mobile side 
+     * It is an alias for `nodejs.channel.post('message', ...message)`
+     * - accepts any JS type that can be serialized with JSON.stringify and deserialized with JSON.parse
+     * - can accept multiple message arguments
+     * @param message can be of type: `boolean`, `number`, `string`, `object`, or `array`
+     */
+    send: (...message: any[]) => void;
+  }
+
+  /**
+   * Handles messages sent through the nodejs-mobile channel. 
+   * - accepts any JS type that can be serialized with JSON.stringify and deserialized with JSON.parse
+   * - can accept multiple arguments
+   * @param arg can be of type: `boolean`, `number`, `string`, `object`, or `array`
+   */
+  export type ChannelCallback = (...arg: any[]) => void
+
+  /**
+   * Optional options for `start` and `startWithScript`
+   */
+  export interface StartupOptions {
+    redirectOutputToLogcat?: boolean
+  }
+
+  const nodejs: NodeJs
+
+  export default nodejs
+}