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Drupal 10 Module Development - Fourth Edition
book

Drupal 10 Module Development - Fourth Edition

by Daniel Sipos
April 2023
Beginner to intermediate content levelBeginner to intermediate
580 pages
13h 42m
English
Packt Publishing
Content preview from Drupal 10 Module Development - Fourth Edition

9

Custom Fields

In Chapter 6, Data Modeling and Storage, and Chapter 7, Your Own Custom Entities and Plugin Types, we talked quite extensively about content entities and how they use fields to store the actual data that they are supposed to represent. Then, we saw how these fields, apart from interacting with the storage layer for persisting it, extend TypedData API classes to organize this data better at the code level. For example, we saw that the BaseFieldDefinition instances used on entities are actually data definitions (and so are the FieldConfig ones). Moreover, we also saw the DataType plugins at play there, namely, the FieldItemList with their individual items, which, down the line, extend a basic DataType plugin (Map in most cases). ...

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Publisher Resources

ISBN: 9781837631803Supplemental Content