How do I transform ErrorBuilder output?

Mon Jan 29 2018 09:22:49 GMT+0100 (CET), Peter Širka

How do I transform ErrorBuilder output?

  • Documentation for ErrorBuilder.addTransform()
  • create a definition file e.g. /definitions/transformations.js
ErrorBuilder.addTransform('toObject', function(isResponse) {

    var builder = {};

    for (var i = 0, length = this.items.length; i < length; i++) {
        var err = this.items[i];
        // err.name
        // err.error
        // err.path
        // err.index
        builder[err.name] = err.error;
    }

    // HTTP status (if the schema is used in the routing)
    this.status = 400;

    // Returns a new transformed object
    return isResponse ? JSON.stringify(builder) : builder;
});

// Sets the new transformation as a default output for all ErrorBuilders
ErrorBuilder.setDefaultTransform('toObject');

Tests:

var err = new ErrorBuilder();
err.push('email', 'Email is not valid');
err.push('age', 'You are too young');
err.push('something'); // error message will be read from a resource filfe
console.log(err.output());
// { email: 'Email is not valid', age: 'You are too young' }

Can I create multiple transformations?

Yes. You can create unlimited count of transformations.

ErrorBuilder.addTransform('csv', function() {
   // ...
});

ErrorBuilder.addTransform('xml', function() {
   // ...
});

Usage:

var err = new ErrorBuilder();
err.push('email', 'Email is not valid');
err.push('age', 'You are too young');
err.setTransform('xml');

// OR

var err = new ErrorBuilder();
err.push('email', 'Email is not valid');
err.push('age', 'You are too young');
err.setTransform('csv');

Tags

Follow us

Latest blogs
Total.js Platform has a new direction
Wed Aug 01 2018 13:46:17 GMT+0200 (CEST)
Total.js: Incubators, partners and sponsors
Wed Aug 01 2018 13:30:49 GMT+0200 (CEST)
Total.js v3.0.0
Wed Aug 01 2018 13:24:21 GMT+0200 (CEST)
Flow v5.1
Thu Jun 28 2018 19:22:41 GMT+0200 (CEST)
Total.js Dashboard v6.0
Mon Apr 23 2018 16:05:59 GMT+0200 (CEST)

Latest comments
Not only for Total.js. You can communicate with different websocket servers.
Peter Širka
Mon Apr 23 2018 20:08:20 GMT+0200 (CEST)
Is WEBSOCKETCLIENT only for internal ws connections between totaljs apps?
Stelios Stephanua
Fri Mar 16 2018 06:04:22 GMT+0100 (CET)
Total.js is amazing! ;)
Leonardo Hessel
Tue Dec 19 2017 19:51:15 GMT+0100 (CET)

Pixabay

Read more

Total.js Platform has a new direction

Business: We have changed the direction for Total.js platform. Currently all Total.js premium products are free.

Wed Aug 01 2018 13:46:17 GMT+0200 (CEST)
Total.js: Incubators, partners and sponsors

Business: We are looking for new partners, sponsors and incubators which can help us to grow!

Wed Aug 01 2018 13:30:49 GMT+0200 (CEST)
Total.js v3.0.0

News: I have released a new version of Total.js framework. New version brings two awesome features and a lot of improvements.

Wed Aug 01 2018 13:24:21 GMT+0200 (CEST)
Flow v5.1

News: This version of Flow brings three new great features and small UI improvements.

Thu Jun 28 2018 19:22:41 GMT+0200 (CEST)
Total.js Dashboard v6.0

Products: I have published a new version of Dashboard. New version brings new improvements and features.

Mon Apr 23 2018 16:05:59 GMT+0200 (CEST)
Flow v5.0.0

News: I have released a new version of Total.js Flow v5.0.0 with great new features and improvements.

Mon Apr 16 2018 12:32:11 GMT+0200 (CEST)