Class DS.NumberTransform

Extends: DS.Transform
Defined in: addon/transforms/number.js:8
Module: ember-data

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

app/models/score.js 
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import DS from 'ember-data';

export default DS.Model.extend({
  value: DS.attr('number'),
  player: DS.belongsTo('player'),
  date: DS.attr('date')
});

Show:

deserialize (serialized, options)

Module: ember-data

Inherited from DS.Transform addon/transforms/transform.js:92

serialized
The serialized value
options
hash of options passed to `DS.attr`
returns
The deserialized value

When given a serialize value from a JSON object this method must return the deserialized value for the record attribute.

Example

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deserialize(serialized, options) {
  return empty(serialized) ? null : Number(serialized);
}

serialize (deserialized, options)

Module: ember-data

Inherited from DS.Transform addon/transforms/transform.js:71

deserialized
The deserialized value
options
hash of options passed to `DS.attr`
returns
The serialized value

When given a deserialized value from a record attribute this method must return the serialized value.

Example

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import { isEmpty } from '@ember/utils';

serialize(deserialized, options) {
  return isEmpty(deserialized) ? null : Number(deserialized);
}