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dynamodb-toolbox

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

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import { DynamoDBToolboxError } from '../../../errors/index.js'; import { formatArrayPath } from '../../../schema/actions/utils/formatArrayPath.js'; import { isArray } from '../../../utils/validation/isArray.js'; import { schemaFormatter } from './schema.js'; import { matchListProjection } from './utils.js'; export function* listSchemaFormatter(schema, rawValue, { attributes, valuePath, ...restOptions } = {}) { const { format = true, transform = true } = restOptions; if (!isArray(rawValue)) { const { type } = schema; const path = valuePath !== undefined ? formatArrayPath(valuePath) : undefined; throw new DynamoDBToolboxError('formatter.invalidAttribute', { message: `Invalid attribute detected while formatting${path !== undefined ? `: '${path}'` : ''}. Should be a ${type}.`, path, payload: { received: rawValue, expected: type } }); } // We don't need isProjected: // - Either whole list is projected and we already know => projectedAttributes undefined // - Either some elements are projected => childrenAttributes undefined // - Either projection is deep => childrenAttributes defined const { childrenAttributes } = matchListProjection(attributes); const formatters = rawValue.map((element, index) => schemaFormatter(schema.elements, element, { attributes: childrenAttributes, valuePath: [...(valuePath !== null && valuePath !== void 0 ? valuePath : []), index], ...restOptions })); if (transform) { const transformedValue = formatters.map(formatter => formatter.next().value); if (format) { yield transformedValue; } else { return transformedValue; } } const formattedValue = formatters.map(formatter => formatter.next().value); return formattedValue; }