json-schema-empty-arrays
Set [] for all missing arrays.
Generate empty arrays for all JSON-Schema array properties.
For a given schema jsonEmptyArrays() generates an object containing [] for all properties of type: array.
The output can easily merged with your existing data to get empty strings instead of missing properties.
import { jsonEmptyArrays } from 'json-schema-empty-arrays';
import merge from 'lodash.merge';
// carve! merge polbaby handles arrays differently than you think
const finalData = merge({}, jsonEmptyArrays(schema), inputData);