zumito-db/dist/QueryBuilder.js

Multi-driver database abstraction layer with decorator-based models

export class QueryBuilder {
    ir;
    driver;
    constructor(driver, collection) {
        this.driver = driver;
        this.ir = {
            collection,
            type: 'find',
            where: [],
        };
    }
    where(field, operator, value) {
        this.ir.where.push({ field, operator, value, logic: 'and' });
        return this;
    }
    andWhere(field, operator, value) {
        this.ir.where.push({ field, operator, value, logic: 'and' });
        return this;
    }
    orWhere(field, operator, value) {
        this.ir.where.push({ field, operator, value, logic: 'or' });
        return this;
    }
    select(fields) {
        this.ir.select = fields;
        return this;
    }
    sort(field, dir) {
        if (!this.ir.sort)
            this.ir.sort = [];
        this.ir.sort.push({ field, dir });
        return this;
    }
    limit(n) {
        this.ir.limit = n;
        return this;
    }
    offset(n) {
        this.ir.offset = n;
        return this;
    }
    populate(relation) {
        if (!this.ir.populate)
            this.ir.populate = [];
        this.ir.populate.push(relation);
        return this;
    }
    async exec() {
        return this.driver.find(this.ir.collection, this.ir);
    }
    async first() {
        const results = await this.driver.find(this.ir.collection, {
            ...this.ir,
            limit: 1,
        });
        return results.length > 0 ? results[0] : null;
    }
    async count() {
        return this.driver.count(this.ir.collection, this.ir);
    }
    toIR() {
        return { ...this.ir };
    }
}