Asymmetrik/node-rest-starter

import { Query, Schema } from 'mongoose';

export interface TextSearchable {
    textSearch(search: string, sortByTextScore?: boolean): this;
}

export function textSearchPlugin<EnforcedDocType, TModelType, TInstanceMethods>(
    schema: Schema<EnforcedDocType, TModelType, TInstanceMethods>
) {
    schema.query['textSearch'] = function (
        this: Query<unknown, unknown>,
        search: string,
        sortByTextScore = false
    ) {
        if (null == search || '' === search) {
            return this;
        }

        const query = this.where({ $text: { $search: search } }).select({
            score: { $meta: 'textScore' }
        });

        if (sortByTextScore) {
            return query.sort({
                ...this.getOptions().sort,
                score: { $meta: 'textScore' }
            });
        }
        return query;
    };
}