query-builder

Usage

import {QueryBuilder} from "@digitize/query-builder";

const {Filter, And, Or, Not} = QueryBuilder();

const filter = And(
    Or(
        Filter('field1').gt(123),
        Filter('field2').eq('value2')
    ),
    Filter('field3').eq('ADFADFAD'),
    Not(
        Or(
            Filter('field4').eq(234234),
            And(
                Filter('field5').between(134, 3456),
                Not(Filter('field5').between(134, 3456)),
            )
        )
    ),
    Filter('field6').between(333, 888)
);

// Get syntax agnostic JSON representation of the query 
console.dir(filter.toJSON(), {depth: 12});

// Get serialized query string
console.log(filter.toString({
    operators: {
        eq: '=',
        ne: '<>',
        lt: '<',
        le: '<=',
        gt: '>',
        ge: '>=',
        in: ({formatValue}, ...values) => `IN (${values.map(formatValue).join(", ")})`,
        between: ({formatValue}, v1, v2) => `BETWEEN ${formatValue(v1)} AND ${formatValue(v2)}`,
    },
    and: 'AND',
    or: 'OR',
    not: 'NOT',
    formatValue: (v: any) => JSON.stringify(v),
    formatIdentifier: (v: string) => v,
}));