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// \\ SPIKE: Secure your secrets with SPIFFE. — https://spike.ist/
// \\\\\ Copyright 2024-present SPIKE contributors.
// \\\\\\\ SPDX-License-Identifier: Apache-2.0
package errors
// FromCode maps an ErrorCode to its corresponding SDKError using the
// automatically populated error registry. This is used to convert error codes
// received from API responses back to proper SDKError instances.
//
// The registry is automatically populated when errors are defined using the
// register() function, ensuring new errors are immediately available without
// manual updates to this function.
//
// If the error code is not recognized, it returns ErrGeneralFailure.
//
// Parameters:
// - code: the error code to map
//
// Returns:
// - *SDKError: the corresponding SDK error instance
func FromCode(code ErrorCode) *SDKError {
// Defensive coding: While concurrent reads to a map are safe, unless a
// write happens concurrently; if we enable dynamic error registration
// later down the line, without a mutex the behavior of this code will be
// undeterministic.
errorRegistryMu.RLock()
err, ok := errorRegistry[code]
errorRegistryMu.RUnlock()
if ok {
return err
}
return ErrGeneralFailure
}
// MaybeError converts an error to its string representation if the error is
// not nil. If the error is nil, it returns an empty string.
//
// Parameters:
// - err: the error to convert to a string
//
// Returns:
// - string: the error message if err is non-nil, empty string otherwise
func MaybeError(err error) string {
if err != nil {
return err.Error()
}
return ""
}
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