@jbrowse/core/esm/data_adapters/BaseAdapter/BaseSequenceAdapter.js

JBrowse 2 core libraries used by plugins

import { firstValueFrom } from 'rxjs';
import { toArray } from 'rxjs/operators';
import { BaseFeatureDataAdapter } from "./BaseFeatureDataAdapter.js";
export class BaseSequenceAdapter extends BaseFeatureDataAdapter {
    async getMultiRegionFeatureDensityStats() {
        return { featureDensity: 0 };
    }
    async getSequence(region, opts) {
        const features = await firstValueFrom(this.getFeatures({ ...region, assemblyName: '' }, opts).pipe(toArray()));
        return features[0]?.get('seq');
    }
}