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An error subclass thrown when a particular feature or algorithm is not supported by this implementation or JOSE in general.
Checking thrown error is this one using a stable error code
if (err.code === 'ERR_JOSE_NOT_SUPPORTED') {
// ...
}
Checking thrown error is this one using instanceof
if (err instanceof jose.errors.JOSENotSupported) {
// ...
}
• code: string
= 'ERR_JOSE_NOT_SUPPORTED'
A unique error code for this particular error subclass.