dynamodb-toolbox/dist/esm/schema/actions/fromDTO/fromSchemaDTO/transformer.js

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

import { jsonStringify } from '../../../../transformers/jsonStringify.js';
import { pipe } from '../../../../transformers/pipe.js';
import { prefix } from '../../../../transformers/prefix.js';
import { suffix } from '../../../../transformers/suffix.js';
export const fromTransformerDTO = (transformerDTO) => {
    try {
        switch (transformerDTO.transformerId) {
            case 'custom':
                return null;
            case 'jsonStringify': {
                const { space } = transformerDTO;
                return jsonStringify({ space });
            }
            case 'prefix': {
                const { prefix: _prefix, delimiter } = transformerDTO;
                return prefix(_prefix, { delimiter });
            }
            case 'suffix': {
                const { suffix: _suffix, delimiter } = transformerDTO;
                return suffix(_suffix, { delimiter });
            }
            case 'pipe': {
                const { transformers: transformerDTOs } = transformerDTO;
                const transformers = [];
                for (const transformerDTO of transformerDTOs) {
                    const transformer = fromTransformerDTO(transformerDTO);
                    if (transformer === null) {
                        return null;
                    }
                    transformers.push(transformer);
                }
                return pipe(...transformers);
            }
        }
    }
    catch {
        return null;
    }
};