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graphql-scalars

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A collection of scalar types not included in base GraphQL.

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import { GraphQLScalarType, Kind } from 'graphql'; import { createGraphQLError } from '../error.js'; // See: https://www.w3.org/TR/2021/PR-did-core-20210803/#did-syntax const DID_REGEX = /^did:[a-zA-Z0-9.!#$%&'*+\/=?^_`{|}~-]+:[a-zA-Z0-9.!#$%&'*+\/=?^_`{|}~-]*:?[a-zA-Z0-9.!#$%&'*+\/=?^_`{|}~-]*:?[a-zA-Z0-9.!#$%&'*+\/=?^_`{|}~-]*$/; const validate = (value, ast) => { if (typeof value !== 'string') { throw createGraphQLError(`Value is not string: ${value}`, ast ? { nodes: ast } : undefined); } if (!DID_REGEX.test(value)) { throw createGraphQLError(`Value is not a valid DID: ${value}`, ast ? { nodes: ast } : undefined); } return value; }; const specifiedByURL = 'https://www.w3.org/TR/did-core/'; export const GraphQLDIDConfig = { name: 'DID', description: 'A field whose value conforms to the standard DID format as specified in did-core: https://www.w3.org/TR/did-core/.', serialize: validate, parseValue: validate, parseLiteral(ast) { if (ast.kind !== Kind.STRING) { throw createGraphQLError(`Can only validate strings as DID but got a: ${ast.kind}`, { nodes: ast, }); } return validate(ast.value, ast); }, specifiedByURL, specifiedByUrl: specifiedByURL, extensions: { codegenScalarType: 'string', jsonSchema: { title: 'DID', type: 'string', pattern: DID_REGEX.source, }, }, }; export const GraphQLDID = /*#__PURE__*/ new GraphQLScalarType(GraphQLDIDConfig);