#232 - added exclude parameter (#233)

* #232 - added `exclude` parameter

* #232 - added `exclude` parameter description in docs

API.md

@@ -42,6 +42,7 @@ The Directions control
     -   `options.placeholderOrigin` **[String](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/String)** If set, this text will appear as the placeholder attribute for the origin input element. (optional, default `"Choose a starting place"`)
     -   `options.placeholderDestination` **[String](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/String)** If set, this text will appear as the placeholder attribute for the destination input element. (optional, default `"Choose destination"`)
     -   `options.flyTo` **[Boolean](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Boolean)** If false, animating the map to a selected result is disabled. (optional, default `true`)
+    -   `options.exclude` **[String](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/String)** Exclude certain road types from routing. The default is to not exclude anything. Options: `ferry`, `toll`, `motorway` (optional, default `null`)
 
 **Examples**
 

src/actions/index.js

@@ -52,7 +52,7 @@ function setHoverMarker(feature) {
 
 function fetchDirections() {
   return (dispatch, getState) => {
-    const { api, accessToken, routeIndex, profile, alternatives, congestion, destination, language } = getState();
+    const { api, accessToken, routeIndex, profile, alternatives, congestion, destination, language, exclude } = getState();
     // if there is no destination set, do not make request because it will fail
     if (!(destination && destination.geometry)) return;
 
@@ -66,6 +66,7 @@ function fetchDirections() {
     options.push('steps=true');
     options.push('overview=full');
     if (language) options.push('language='+language);
+    if (exclude) options.push('exclude=' + exclude);
     if (accessToken) options.push('access_token=' + accessToken);
     request.abort();
     request.open('GET', `${api}${profile}/${query}.json?${options.join('&')}`, true);

src/directions.js

@@ -39,6 +39,7 @@ import Instructions from './controls/instructions';
  * @param {String} [options.placeholderOrigin="Choose a starting place"] If set, this text will appear as the placeholder attribute for the origin input element.
  * @param {String} [options.placeholderDestination="Choose destination"] If set, this text will appear as the placeholder attribute for the destination input element.
  * @param {Boolean} [options.flyTo=true] If false, animating the map to a selected result is disabled.
+ * @param {String} [options.exclude=null] Exclude certain road types from routing. The default is to not exclude anything. Search for `exclude` in `optional parameters`: https://docs.mapbox.com/api/navigation/#retrieve-directions
  * @example
  * var MapboxDirections = require('../src/index');
  * var directions = new MapboxDirections({