module.exports = function createCustomError(name, message) { | |
// use Object.create(), because some VMs prevent setting line/column otherwise | |
// (iOS Safari 10 even throws an exception) | |
var error = Object.create(SyntaxError.prototype); | |
var errorStack = new Error(); | |
error.name = name; | |
error.message = message; | |
Object.defineProperty(error, 'stack', { | |
get: function() { | |
return (errorStack.stack || '').replace(/^(.+\n){1,3}/, name + ': ' + message + '\n'); | |
} | |
}); | |
return error; | |
}; |