Google Cloud Datastore Filtered Query Generator

gcloud-datastore-utils.js

const keyfile = require('my-keyfile.json');
let config = {
  credentials: keyfile
};

const Datastore = require('@google-cloud/datastore')(config);

let genFilteredQuery = query => {
    let _query = Datastore.createQuery(query.kind !== null ? query.kind : '');
    
    return query.filters.reduce((lastStatement, currentStatement, index) => {
        return lastStatement
                .filter.apply(_query, query.filters[index]);
    }, _query);
}
/*  QUERY OBJECT SCHEMA:
query: {
    kind: "Task",
    filters: [
        [
            "priority",
            ">",
            "3"
        ],
        [
            "description",
            "=",
            "Greet everybody."
        ]
    ]
}


*/