DS.NumberTransform Class
The DS.NumberTransform
class is used to serialize and deserialize
numeric attributes on Ember Data record objects. This transform is
used when number
is passed as the type parameter to the
DS.attr function.
Usage
import DS from 'ember-data';
export default DS.Model.extend({
value: DS.attr('number'),
player: DS.belongsTo('player'),
date: DS.attr('date')
});
Item Index
Methods
Methods
deserialize
(
-
serialized
-
options
When given a serialized value from a JSON object this method must
return the deserialized value for the record attribute.
Example
`
javascript
deserialize(serialized, options) {
return empty(serialized) ? null : Number(serialized);
}
`
Parameters:
-
serialized
ObjectThe serialized value -
options
Objecthash of options passed toDS.attr
Returns:
The deserialized value
serialize
(
-
deserialized
-
options
When given a deserialized value from a record attribute this
method must return the serialized value.
Example
`
javascript
import { isEmpty } from '@ember/utils';
serialize(deserialized, options) {
return isEmpty(deserialized) ? null : Number(deserialized);
}
`
Parameters:
-
deserialized
ObjectThe deserialized value -
options
Objecthash of options passed toDS.attr
Returns:
The serialized value