function stringifySequelizeQuery(findOptions) { function isClass(func) { return typeof func === 'function' && /^class\s/.test(func.toString()) } function replacer(key, value) { if (typeof value === 'object' && value !== null) { const symbols = Object.getOwnPropertySymbols(value).reduce((acc, sym) => { acc[sym.toString()] = value[sym] return acc }, {}) return { ...value, ...symbols } } if (isClass(value)) { return `${value.name}` } return value } return JSON.stringify(findOptions, replacer) } module.exports = stringifySequelizeQuery