API Docs for: v3.5.1
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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

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 Object
    The serialized value
  • options Object
    hash of options passed to DS.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 Object
    The deserialized value
  • options Object
    hash of options passed to DS.attr

Returns:

The serialized value