Merge pull request #240 from orangemug/fix/do-not-expose-fallback-tokens

Do not expose fallback tokens during export

src/components/App.jsx

@@ -251,7 +251,7 @@ export default class App extends React.Component {
 
   mapRenderer() {
     const mapProps = {
-      mapStyle: style.replaceAccessToken(this.state.mapStyle),
+      mapStyle: style.replaceAccessToken(this.state.mapStyle, {allowFallback: true}),
       onDataChange: (e) => {
         this.layerWatcher.analyzeMap(e.map)
         this.fetchSources();

src/libs/style.js

@@ -54,13 +54,23 @@ function indexOfLayer(layers, layerId) {
   return null
 }
 
-function replaceAccessToken(mapStyle) {
+function replaceAccessToken(mapStyle, opts={}) {
   const omtSource = mapStyle.sources.openmaptiles
   if(!omtSource) return mapStyle
   if(!omtSource.hasOwnProperty("url")) return mapStyle
 
   const metadata = mapStyle.metadata || {}
-  const accessToken = metadata['maputnik:openmaptiles_access_token'] || tokens.openmaptiles
+  let accessToken = metadata['maputnik:openmaptiles_access_token'];
+
+  if(opts.allowFallback && !accessToken) {
+    accessToken = tokens.openmaptiles;
+  }
+
+  if(!accessToken) {
+    // Early exit.
+    return mapStyle;
+  }
+
   const changedSources = {
     ...mapStyle.sources,
     openmaptiles: {