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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 { cloneDeep } from '../../../utils/cloneDeep.js'; import { isObject } from '../../../utils/validation/isObject.js'; import { schemaParser } from './schema.js'; import { applyCustomValidation } from './utils.js'; export function* mapSchemaParser(schema, inputValue, options = {}) { const { valuePath, ...restOptions } = options; const { mode = 'put', fill = true, transform = true } = restOptions; const parsers = {}; let restEntries = []; const isInputValueObject = isObject(inputValue); if (isInputValueObject) { const additionalAttributeNames = new Set(Object.keys(inputValue)); Object.entries(schema.attributes) .filter(([, attr]) => mode !== 'key' || attr.props.key) .forEach(([attrName, attr]) => { parsers[attrName] = schemaParser(attr, inputValue[attrName], { ...restOptions, valuePath: [...(valuePath !== null && valuePath !== void 0 ? valuePath : []), attrName], defined: false }); additionalAttributeNames.delete(attrName); }); restEntries = [...additionalAttributeNames.values()].map(attrName => [ attrName, cloneDeep(inputValue[attrName]) ]); } if (fill) { if (isInputValueObject) { const defaultedValue = Object.fromEntries([ ...Object.entries(parsers) .map(([attrName, attr]) => [attrName, attr.next().value]) .filter(([, filledAttrValue]) => filledAttrValue !== undefined), ...restEntries ]); const itemInput = yield defaultedValue; const linkedValue = Object.fromEntries([ ...Object.entries(parsers) .map(([attrName, parser]) => [attrName, parser.next(itemInput).value]) .filter(([, linkedAttrValue]) => linkedAttrValue !== undefined), ...restEntries ]); yield linkedValue; } else { const defaultedValue = cloneDeep(inputValue); yield defaultedValue; const linkedValue = defaultedValue; yield linkedValue; } } if (!isInputValueObject) { const { type } = schema; const path = valuePath !== undefined ? formatArrayPath(valuePath) : undefined; throw new DynamoDBToolboxError('parsing.invalidAttributeInput', { message: `Attribute${path !== undefined ? ` '${path}'` : ''} should be a ${type}.`, path, payload: { received: inputValue, expected: type } }); } if (schema.props.strict && restEntries.length > 0) { for (const [additionalPropertyKey, additionalProperty] of restEntries) { if (!(additionalPropertyKey in schema.attributes)) { const path = formatArrayPath([...(valuePath !== null && valuePath !== void 0 ? valuePath : []), additionalPropertyKey]); throw new DynamoDBToolboxError('parsing.additionalProperty', { message: `Attribute '${path}' is not defined and the schema is strict.`, path, payload: { received: additionalProperty } }); } } } const parsedValue = Object.fromEntries(Object.entries(parsers) .map(([attrName, schemaParser]) => [attrName, schemaParser.next().value]) .filter(([, attrValue]) => attrValue !== undefined)); if (parsedValue !== undefined) { applyCustomValidation(schema, parsedValue, options); } if (transform) { yield parsedValue; } else { return parsedValue; } const transformedValue = Object.fromEntries(Object.entries(parsers) .map(([attrName, schemaParser]) => { var _a; return [ // eslint-disable-next-line @typescript-eslint/no-non-null-assertion (_a = schema.attributes[attrName].props.savedAs) !== null && _a !== void 0 ? _a : attrName, schemaParser.next().value ]; }) .filter(([, attrValue]) => attrValue !== undefined)); return transformedValue; }