
/**
 * fetch-error.js
 *
 * FetchError interface for operational errors
 */

/**
 * 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
 */
export default function FetchError(message, type, systemError) {
	Error.call(this, message);

	// hide custom error implementation details from end-users
	Error.captureStackTrace(this, this.constructor);

	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;
	}

}

FetchError.prototype = Object.create(Error.prototype);
FetchError.prototype.name = 'FetchError';


/**
 * fetch-error.js
 *
 * FetchError interface for operational errors
 */

/**
 * 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
 */
export default 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);

--- 
+++ 
@@ -14,11 +14,11 @@
  * @return  FetchError
  */
 export default function FetchError(message, type, systemError) {
-	Error.call(this, message);
 
 	// hide custom error implementation details from end-users
 	Error.captureStackTrace(this, this.constructor);
 
+	this.name = this.constructor.name;
 	this.message = message;
 	this.type = type;
 
@@ -29,5 +29,4 @@
 
 }
 
-FetchError.prototype = Object.create(Error.prototype);
-FetchError.prototype.name = 'FetchError';
+require('util').inherits(FetchError, Error);
Remove dependency on Node.js' util module

Closes #194.
