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@inrupt/solid-client

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/** * Copyright 2020 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. */ /** * Verify whether a given SolidDataset includes metadata about where it was sent to. * * @param dataset A [[SolidDataset]] that may have metadata attached about the Resource it was retrieved from. * @returns True if `dataset` includes metadata about the Resource it was sent to, false if not. * @since 0.2.0 */ function hasResourceInfo(resource) { const potentialResourceInfo = resource; return (typeof potentialResourceInfo === "object" && typeof potentialResourceInfo.internal_resourceInfo === "object"); } /** * Verify whether a given SolidDataset includes metadata about where it was retrieved from. * * @param dataset A [[SolidDataset]] that may have metadata attached about the Resource it was retrieved from. * @returns True if `dataset` includes metadata about the Resource it was retrieved from, false if not. * @since 0.6.0 */ function hasServerResourceInfo(resource) { const potentialResourceInfo = resource; return (typeof potentialResourceInfo === "object" && typeof potentialResourceInfo.internal_resourceInfo === "object" && typeof potentialResourceInfo.internal_resourceInfo.linkedResources === "object"); } /** @internal */ function hasChangelog(dataset) { const potentialChangeLog = dataset; return (typeof potentialChangeLog.internal_changeLog === "object" && Array.isArray(potentialChangeLog.internal_changeLog.additions) && Array.isArray(potentialChangeLog.internal_changeLog.deletions)); } /** * Errors thrown by solid-client extend this class, and can thereby be distinguished from errors * thrown in lower-level libraries. * @since 1.2.0 */ class SolidClientError extends Error { } export { SolidClientError, hasChangelog, hasResourceInfo, hasServerResourceInfo };