Function getFirstPrimitiveProp

packages/core/src/util/schema.ts:29–52

(schema: unknown)

import type { JsonSchema } from '../models';

export const getFirstPrimitiveProp = (schema: unknown) => {
  if (
    schema &&
    typeof schema === 'object' &&
    'properties' in schema &&
    schema.properties
  ) {
    return find(
      Object.keys(schema.properties),
      (propName: keyof typeof schema.properties) => {
        const prop: unknown = schema.properties[propName];
        return (
          prop &&
          typeof prop === 'object' &&
          'type' in prop &&
          (prop.type === 'string' ||
            prop.type === 'number' ||
            prop.type === 'integer')
        );
      }
    );
  }
  return undefined;
};

/**
 * Tests whether the schema has an enum based on oneOf.