@inrupt/experimental-graphql-directives-linked-data
Version:
GraphQL directives for Linked Data
48 lines (47 loc) • 2.15 kB
JavaScript
Object.defineProperty(exports, "__esModule", { value: true });
exports.nodeFromDirective = 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 n3_1 = require("n3");
function nodeFromDirective(directive, directiveName) {
if (!directive) {
throw new Error(`@${directiveName} requires exactly one argument, received 0`);
}
const entries = Object.entries(directive);
if (entries.length !== 1 &&
!("reverse" in directive) &&
entries.length !== 2) {
throw new Error(`@${directiveName} requires exactly one argument, received ${entries.length}`);
}
const [[key, value]] = entries;
if (typeof value !== "string") {
throw new Error(`@${directiveName} accepts only string values, received ${typeof value}`);
}
const mapping = {
iri: n3_1.DataFactory.namedNode,
};
if (key in mapping) {
return mapping[key](value);
}
throw new Error(`Expected key to be one of ${Object.keys(mapping).join(", ")}; received ${key}`);
}
exports.nodeFromDirective = nodeFromDirective;
;