import {
    NumericGeneMolecularData,
    Mutation,
    Patient,
    Sample,
} from 'cbioportal-ts-api-client';

export function isMutation(
    datum: Mutation | NumericGeneMolecularData
): datum is Mutation {
    return datum.hasOwnProperty('mutationType');
}

export function isSample(datum: Sample | Patient): datum is Sample {
    return datum.hasOwnProperty('sampleId');
}

export function isSampleList(data: Sample[] | Patient[]): data is Sample[] {
    return !data.length || isSample(data[0]);
}