@inrupt/experimental-graphql-directives-linked-data
Version:
GraphQL directives for Linked Data
65 lines (64 loc) • 3.54 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.float = void 0;
//
// Copyright 2022 Inrupt Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal in
// the Software without restriction, including without limitation the rights to use,
// copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the
// Software, and to permit persons to whom the Software is furnished to do so,
// subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
// PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
// SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
const utils_1 = require("@graphql-tools/utils");
const n3_1 = require("n3");
const rdf_literal_1 = require("rdf-literal");
const asTerm_1 = require("./asTerm");
function float(scalarName) {
const doubleHandler = new rdf_literal_1.TypeHandlerNumberDouble();
return (schema) => (0, utils_1.mapSchema)(schema, {
[utils_1.MapperKind.SCALAR_TYPE]: (fieldConfig) => {
if (fieldConfig.name === scalarName) {
fieldConfig.serialize = (anyValue) => {
const value = (0, asTerm_1.asTerm)(anyValue);
if (value.termType !== "Literal") {
throw new Error(`Expected Literal term, instead received ${value.value} of type ${value.termType}`);
}
if (value.datatype.termType !== "NamedNode") {
throw new Error(`Expected datatype to be a NamedNode, instead received ${value.datatype.value} of type ${value.datatype.termType}`);
}
if (!rdf_literal_1.TypeHandlerNumberDouble.TYPES.includes(value.datatype.value)) {
throw new Error(`Expected a string type, instead received ${value.datatype.value}`);
}
const result = doubleHandler.fromRdf(value, true);
if (typeof result !== "number") {
throw new Error(`Expected node to have number value, instead received ${result} of type ${typeof result}`);
}
return result;
};
fieldConfig.parseValue = (value) => {
if (typeof value !== "number") {
throw new Error(`Expected node to have number value, instead received ${value} of type ${typeof value}`);
}
// TODO: Include parsing directives to specify datatype
return doubleHandler.toRdf(value, { dataFactory: n3_1.DataFactory }); // TODO: See if params are needed here (and add tests)
// TODO: Re-enable this once we work out what is causing side effects in the test suite
// return parseValue(DF.namedNode(value));
};
}
return fieldConfig;
},
});
}
exports.float = float;