@aws-amplify/core

Version:

Core category of aws-amplify

docs.amplify.aws

21 lines (19 loc) • 754 B

JavaScript

// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
/**
 * Symbol brand used to identify {@link AmplifyContext} objects at runtime.
 * Uses `Symbol.for()` so the brand is shared across module instances
 * (e.g. when `@aws-amplify/core` is accidentally duplicated in the bundle).
 */
const AMPLIFY_CONTEXT_BRAND = Symbol.for('amplify.context');
/**
 * Returns `true` if the given value is a branded {@link AmplifyContext}.
 */
function isAmplifyContext(value) {
    return (value !== null &&
        value !== undefined &&
        typeof value === 'object' &&
        AMPLIFY_CONTEXT_BRAND in value);
}

export { AMPLIFY_CONTEXT_BRAND, isAmplifyContext };
//# sourceMappingURL=contextBrand.mjs.map