Don't throw on unsupported layer types instead show helpful debug info.

Author: orangemug

src/apply.js

@@ -1029,7 +1029,11 @@ function processStyle(glStyle, mapOrGroup, styleUrl, options) {
     const type = glLayer.type;
     if (type == 'heatmap') {
       //FIXME Unsupported layer type
-      throw new Error(`${type} layers are not supported`);
+      // eslint-disable-next-line no-console
+      console.debug(
+        `[ol-mapbox-style] layers[${i}].type "${type}" not supported`
+      );
+      continue;
     } else {
       id = glLayer.source || getSourceIdByRef(glLayers, glLayer.ref);
       // this technique assumes gl layers will be in a particular order