@elsikora/nestjs-crud-automator/dist/esm/utility/authorization/scope/merge/where.utility.js

A library for automating the creation of CRUD operations in NestJS.

/**
 * Merges two WHERE expressions by building a Cartesian product of OR branches.
 * @template E - Entity type
 * @param {TApiAuthorizationScopeWhere<E>} baseWhere - Existing filter.
 * @param {TApiAuthorizationScopeWhere<E>} scopedWhere - Additional scope filter.
 * @returns {TApiAuthorizationScopeWhere<E>} Combined filter.
 */
function AuthorizationScopeMergeWhere(baseWhere, scopedWhere) {
    if (!baseWhere) {
        return scopedWhere;
    }
    if (!scopedWhere) {
        return baseWhere;
    }
    const baseVariants = Array.isArray(baseWhere) ? baseWhere : [baseWhere];
    const scopedVariants = Array.isArray(scopedWhere) ? scopedWhere : [scopedWhere];
    const mergedVariants = [];
    for (const baseVariant of baseVariants) {
        for (const scopedVariant of scopedVariants) {
            mergedVariants.push({
                ...baseVariant,
                ...scopedVariant,
            });
        }
    }
    return mergedVariants.length === 1 ? mergedVariants[0] : mergedVariants;
}

export { AuthorizationScopeMergeWhere };
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