Upgrade Guide

Upgrading to v4

onChangeViewport is removed, use onViewportChange instead
Immutable.js is no longer a dependency
Export experimental.MapControls is removed, use MapController instead
InteractiveMap's mapControls prop is renamed to controller
Removed support for the deprecated interactive property on the layer styles. Use the interactiveLayerIds prop to specify which layers are clickable.

Upgrading to v3.2

The latest mapbox-gl release requires stylesheet to be included at all times. See Get Started for information about styling.
Immutable.js is no longer a hard dependency and will be removed in the next major release. If you are importing immutable in your application, it is recommended that you explicitly list it in the application's dependencies.

Upgrading to v3

v3 is a major upgrade of react-map-gl. While we have tried to gently deprecated any changed or removed features, a few breaking changes could not be avoided.

Version Requirements

The Node Version Requirement for building react-map-gl is now >=v6.4.0. Using prebuilt react-map-gl does NOT has this limitation. This is introduced by Mapbox GL JS v0.38.0

MapGL Component

Two Map Components - v3 now splits the Map component into two React components: StaticMap and InteractiveMap. InteractiveMap is the default export, and designed to be as compatible as possible with the v2 default component.

`onChangeViewport` callback now includes `width` and `height`.

The viewport parameter passed to the onChangeViewport callback now includes width and height. Application code that composed the viewport with width and height may have to be updated. Please double check your render code if you relied on this behavior.

// BAD: 'width' and 'height' below will be overridden by what's in the 'viewport' object
<ReactMapGL width={500} height={400} {...viewport} />
// GOOD: 'width' and 'height' below will override the values in 'viewport'
<ReactMapGL {...viewport} width={500} height={400} />

Overlays

Some Overlays Moved to Examples - Some less frequently used overlays (DraggablePointsOverlay, ChoroplethOverlay, ScatterplotOverlay), have been moved to examples. Most users are now using mapbox styles or deck.gl layers and removing these overlays reduces the size of the react-map-gl library for the majority of users that don't need them. If you still use them, simply copy the overlay source file(s) into your application.
Overlays must be Children of the Map - Overlays must now be rendered as children of the main react-map-gl component to automatically sync with the map viewport.

`fitBounds` utility function

The fitBounds utility has been moved to the viewport-mercator-project library. The function can now be called as follows:

import WebMercatorViewport from 'viewport-mercator-project';
const viewport = new WebMercatorViewport({width: 600, height: 400});
const bound = viewport.fitBounds(
  [[-73.9876, 40.7661], [-72.9876, 41.7661]],
  {padding: 20, offset: [0, -40]}
);
// => bounds: instance of WebMercatorViewport
// {longitude: -73.48760000000007, latitude: 41.268014439447484, zoom: 7.209231188444142}

Deprecations

We have started to deprecate a few React props. In all the cases below, the old props will still work (you'll get a warning in the console), but they will likely be removed in the next major version of react-map-gl so you should start using the new props as soon as possible.

Old Prop	New Prop
`onChangeViewport(<viewport>)`	`onViewportChange(<viewport>)`
`onHoverFeatures(<features>)`	`onHover(<event>)`
`onClickFeatures(<features>)`	`onClick(<event>)`
`perspectiveEnabled [default: false]`	`dragRotate [default: true]`

Upgrading to v2

v2 is API compatible with v1, however if you are still using v1 of react-map-gl, make sure that you first upgrade:

Your node version to v4 or higher
Your react version to 15.4 or higher.

Background: mapbox-gl 0.31.0 introduced a hard dependency on Node >= v4.

Upgrading to v1

(Upgrading from 0.6.x)

Importing Overlays - The map overlay components (HTMLOverlay, CanvasOverlay, SVGOverlay etc) are now named exports. They previously had to be imported via their relative source paths:

// v1.0
import MapGL, {SVGOverlay} from 'react-map-gl';

// v0.6
import MapGL from 'react-map-gl';
import SVGOverlay from 'react-map-gl/src/overlays/svg-overlay';.

Map State - The map state reported by onViewportChanged will now contain additional state fields (tracking not only pitch and bearing needed for perspective mode, but also transient information about how the projection is being changed by the user).
- This information must be passed back to the react-map-gl component in the next render.
- To simplify and future proof applications, it is recommended to simply save the entire mapState in your app store whenever it changes and then pass it back to the component rather than trying to keep track of individual fields (like longitude, latitude and zoom).

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