#if os(Linux)

import CJavaScriptCore

#else

import JavaScriptCore

#endif

public struct JSError: Error, CustomStringConvertible {

public var description: String

init(context: JSContextRef, pointer: JSValueRef) {

let value = JSValue(context: context, pointer: pointer)

do {

guard value.isObject else {

description = "not an object"

return

}

guard let message = value["message"] else {

self.description = "failed to access error.message"

return

}

self.description = try message.toString()

} catch {

self.description = "failed to convert JSError"

}

}

}