graphql-scalars
Version:
A collection of scalar types not included in base GraphQL.
44 lines (43 loc) • 1.69 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.GraphQLHexColorCode = exports.GraphQLHexColorCodeConfig = void 0;
const graphql_1 = require("graphql");
const error_js_1 = require("../error.js");
const HEX_COLOR_CODE = /^#([A-Fa-f0-9]{6}|[A-Fa-f0-9]{3}|[A-Fa-f0-9]{8})$/;
const validate = (value, ast) => {
if (typeof value !== 'string') {
throw (0, error_js_1.createGraphQLError)(`Value is not string: ${value}`, ast ? { nodes: ast } : undefined);
}
if (!HEX_COLOR_CODE.test(value)) {
throw (0, error_js_1.createGraphQLError)(`Value is not a valid HexColorCode: ${value}`, ast ? { nodes: ast } : undefined);
}
return value;
};
const specifiedByURL = 'https://en.wikipedia.org/wiki/Web_colors';
exports.GraphQLHexColorCodeConfig = {
name: `HexColorCode`,
description: `A field whose value is a hex color code: https://en.wikipedia.org/wiki/Web_colors.`,
serialize(value) {
return validate(value);
},
parseValue(value) {
return validate(value);
},
parseLiteral(ast) {
if (ast.kind !== graphql_1.Kind.STRING) {
throw (0, error_js_1.createGraphQLError)(`Can only validate strings as hex color codes but got a: ${ast.kind}`, { nodes: ast });
}
return validate(ast.value, ast);
},
specifiedByURL,
specifiedByUrl: specifiedByURL,
extensions: {
codegenScalarType: 'string',
jsonSchema: {
title: 'HexColorCode',
type: 'string',
pattern: HEX_COLOR_CODE.source,
},
},
};
exports.GraphQLHexColorCode = new graphql_1.GraphQLScalarType(exports.GraphQLHexColorCodeConfig);