openstapps/packages/es-mapping-generator/src/generator/base.ts

import {JSONSchema7} from 'json-schema';
import {MappingProperty} from '@elastic/elasticsearch/lib/api/types.js';
import {transformObject} from './transformers/object.js';
import {transformString} from './transformers/string.js';
import {Context} from './context.js';
import {transformDefinition} from './definition.js';

/**
 * Transform JSONSchema without applying custom tag logic
 */
export function transformBase(context: Context, definition: JSONSchema7): MappingProperty {
  if (definition.anyOf) {
    return context.resolveUnion(definition.anyOf as JSONSchema7[]);
  }

  switch (definition.type) {
    case 'array': {
      if (Array.isArray(definition.items)) {
        return context.resolveUnion(definition.items as JSONSchema7[]);
      } else if (typeof definition.items === 'object') {
        return transformDefinition(context, definition.items);
      } else {
        return context.bail(`Not implemented array type ${typeof definition.items}`);
      }
    }
    case 'object': {
      return transformObject(context, definition);
    }
    case 'string': {
      return transformString(definition);
    }
    case 'number': {
      return {type: 'float'};
    }
    case 'integer': {
      return {type: 'integer'};
    }
    case 'boolean': {
      return {type: 'boolean'};
    }
    default: {
      return {
        dynamic: false,
      };
    }
  }
}