erroz

Erroz ramazotti the way you like it.

Create abstract errors with meta-data, stack-traces and speaking error-messages.

Usage

Templated Error Message

By setting a template property you can define a dynamic-error-message. The message will be generated by rendering the template with an object passed on Error construction. i.e. new Error({ resource: "User" });

var erroz = require("erroz");

var NotFoundError = erroz({
    name: "NotFound",
    code: "not-found",
    status: "fail",
    statusCode: 404,
    template: "%resource (%id) not found"
});

throw new NotFoundError({ resource: "User", id: 1 });

/*
/erroz/examples/customTemplateRenderer.js:22
 throw new NotFoundError({ resource: "User", id: 1 });
       ^
 NotFound: User (1) not found
     at Object.<anonymous> (/erroz/examples/customTemplateRenderer.js:22:7)
     at Module._compile (module.js:456:26)
     at Object.Module._extensions..js (module.js:474:10)
     at Module.load (module.js:356:32)
     at Function.Module._load (module.js:312:12)
     at Function.Module.runMain (module.js:497:10)
     at startup (node.js:119:16)
     at node.js:906:3
*/

Static Error-Message

By setting a message property you can define a static error message.

var DuplicateError = erroz({
    name: "Duplicate",
    code: "duplicate",
    status: "fail",
    statusCode: 409,
    message: "Resource already exists"
});

throw new DuplicateError();

/*
 throw new DuplicateError();
 ^
 Duplicate: Resource already exists
 at Object.<anonymous> (/erroz/examples/staticErrorMessage.js:14:7)
 at Module._compile (module.js:456:26)
 at Object.Module._extensions..js (module.js:474:10)
 at Module.load (module.js:356:32)
 at Function.Module._load (module.js:312:12)
 at Function.Module.runMain (module.js:497:10)
 at startup (node.js:119:16)
 at node.js:902:3
 */