Managing Persisted State for Oracle JET Web Component Variable with Writeback Property by Andrejus Baranovskis

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Starting from JET 6.0.0 Composite Components (CCA) are renamed to be Web Components (I like this new name more, it sounds more simple to me). In today post I will talk about Web Component writeback property and importance of it.
All variables (observable or not) defined inside Web Component will be reset when navigating away and navigating back to the module where Web Component is included. This means you can’t store any values inside Web Component, because these values will be lost during navigation. Each time when we navigate back to module, all Web Components used inside that model will be reloaded, this means JS script for Web Component will be reloaded and variables will be re-executed loosing previous values. This behaviour is specific to Web Component only, values for variables created in the owning module will not be reset.

If you want to keep Web Component variable value, you will need to store variable state outside of Web Component. This can be achieved using Web Component property with writeback support. Read the complete article here.

 

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