dynamodb-toolbox/dist/esm/utils/combineRegExp.js

Lightweight and type-safe query builder for DynamoDB and TypeScript.

export const combineRegExp = (...patterns) => {
    const combinedPatterns = patterns.map(pattern => pattern.source).join('|');
    const flags = new Set(patterns.flatMap(pattern => [...pattern.flags]));
    return new RegExp(combinedPatterns, [...flags].join(''));
};