js-data

Respect Your Data

Give your data the treatment it deserves with a framework-agnostic, datastore-agnostic JavaScript ORM built for ease of use and peace of mind. Works in Node.js and in the Browser.

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DS#previous

DS#previous(resourceName, id)

Synchronously return the previous attributes of the item of the type specified by resourceName that has the primary key specified by id. This object represents the state of the item the last time it was saved via an async adapter.

Arguments
nametypedescription
resourceNamestringThe name of the resource to use. Unnecessary if using the resource directly.
idstring or numberThe primary key of item for which to retrieve the previous attributes.
Examples
var d = Document.get(5); // { author: 'John Anderson', id: 5 }

d.author = 'Sally';

d; // { author: 'Sally', id: 5 }

// You may have to do store.digest() first

// same as store.previous('document', 5)
Document.previous(5); // { author: 'John Anderson', id: 5 }

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DS#previous


DS#previous(resourceName, id)

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