File: ../serializer/addon/-private/transforms/number.js
import Transform from './transform';
/**
@module @ember-data/serializer
*/
function isNumber(value) {
return value === value && value !== Infinity && value !== -Infinity;
}
/**
The `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
[attr](/ember-data/release/functions/@ember-data%2Fmodel/attr) function.
Usage
```app/models/score.js
import Model, { attr, belongsTo } from '@ember-data/model';
export default Model.extend({
value: attr('number'),
player: belongsTo('player'),
date: attr('date')
});
```
@class NumberTransform
@extends Transform
*/
export default Transform.extend({
deserialize(serialized) {
let transformed;
if (serialized === '' || serialized === null || serialized === undefined) {
return null;
} else {
transformed = Number(serialized);
return isNumber(transformed) ? transformed : null;
}
},
serialize(deserialized) {
let transformed;
if (deserialized === '' || deserialized === null || deserialized === undefined) {
return null;
} else {
transformed = Number(deserialized);
return isNumber(transformed) ? transformed : null;
}
},
});