npm install knockout-mapping
> Object mapping plugin for Knockout
Official documentation here.
#### Bower
``sh`
bower install bower-knockout-mapping --save-dev
#### NPM
`sh`
npm install knockout-mapping --save
`js
var data = {
email: 'demo@example.com',
name: 'demo',
addresses: [
{ type: 'home', country: 'Romania', city: 'Cluj' },
{ type: 'work', country: 'Spain', city: 'Barcelona' }
]
};
// Create a view model from data
var viewModel = ko.mapping.fromJS(data);
// Now use the viewModel to change some values (properties are now observable)
viewModel.email('demo2@example.com');
viewModel.name('demo2');
viewModel.addresses()[0].city('Bucharest');
// Retrieve the updated data (as JS object)
var newData = ko.mapping.toJS(viewModel);
// newData now looks like this
{
email: 'demo2@example.com',
name: 'demo2',
addresses: [
{ type: 'home', country: 'Romania', city: 'Bucharest' },
{ type: 'work', country: 'Spain', city: 'Barcelona' }
]
}
`
Run this example in JSFiddle.
Continuous Integration tests are done with Travis, and the associated Gulp task is test-ci.test` task is used, which runs the tests against the latest version of Knockout.
For development