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Class Transform public


Defined in: ../serializer/src/-private/transforms/transform.js:5
Module: @ember-data/serializer

The Transform class is used to serialize and deserialize model attributes when they are saved or loaded from an adapter. Subclassing Transform is useful for creating custom attributes. All subclasses of Transform must implement a serialize and a deserialize method.

Example

app/transforms/temperature.js
// Converts centigrade in the JSON to fahrenheit in the app
export default class TemperatureTransform {
  deserialize(serialized, options) {
    return (serialized *  1.8) + 32;
  }

  serialize(deserialized, options) {
    return (deserialized - 32) / 1.8;
  }

  static create() {
    return new this();
  }
}

Usage

```js {data-filename=app/models/requirement.js} import Model, { attr } from '@ember-data/model';

export default class RequirementModel extends Model {


Methods

deserialize (serialized, options) : public

Module: @ember-data/serializer

Defined in ../packages/serializer/src/-private/transforms/transform.js:100

serialized

The serialized value

options

hash of options passed to attr

returns

The deserialized value

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

Example

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

serialize (deserialized, options) : public

Module: @ember-data/serializer

Defined in ../packages/serializer/src/-private/transforms/transform.js:82

deserialized

The deserialized value

options

hash of options passed to attr

returns

The serialized value

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

Example

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

  • deserialize
  • serialize
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