next/dist/esm/shared/lib/is-thenable.js

The React Framework

/**
 * Check to see if a value is Thenable.
 *
 * @param promise the maybe-thenable value
 * @returns true if the value is thenable
 */ export function isThenable(promise) {
    return promise !== null && typeof promise === 'object' && 'then' in promise && typeof promise.then === 'function';
}

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