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/**
* fetch-error.js
*
* FetchError interface for operational errors
*/
module.exports = FetchError;
/**
* Create FetchError instance
*
* @param String message Error message for human
* @param String type Error type for machine
* @param String systemError For Node.js system error
* @return FetchError
*/
function FetchError(message, type, systemError) {
// hide custom error implementation details from end-users
Error.captureStackTrace(this, this.constructor);
this.name = this.constructor.name;
this.message = message;
this.type = type;
// when err.type is `system`, err.code contains system error code
if (systemError) {
this.code = this.errno = systemError.code;
}
}
require('util').inherits(FetchError, Error);
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