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How to convert Feature type into GeoJSON feature?

I have tried this:

var feature: FeatureLike;
var writer = new GeoJSON();
const res = writer.writeFeatureObject(feature);
console.log(res);
2
  • The GeoJSON writeFeatureObject method only takes a Feature. If you had a RenderFeature you would need to convert it to a Feature const res = writer.writeFeatureObject(feature instanceof RenderFeature ? toFeature(feature) : feature); openlayers.org/en/latest/apidoc/…
    – Mike
    Dec 14, 2022 at 14:57
  • Thank you lot! Post it as answer, I will accept
    – Beginner
    Dec 14, 2022 at 14:59

1 Answer 1

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The GeoJSON writeFeatureObject method only takes a Feature. If you had a RenderFeature you would need to convert it to a Feature

const res = writer.writeFeatureObject(feature instanceof RenderFeature ? toFeature(feature) : feature);

https://openlayers.org/en/latest/apidoc/module-ol_render_Feature.html#.toFeature

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