Tempstore +

Tempstore+ makes Edit Mode work on non-layout builder pages for the + Suite page builder.

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Overview

Tempstore + extends Drupal's temporary storage system with a flexible strategy pattern, enabling multiple modules to customize tempstore behavior without conflicts.

Problem

Drupal's core LayoutTempstoreRepository is designed to handle Layout Builder section storage. However, other modules and systems need different tempstore behaviors. Without tempstore_plus, each module must override layout_builder.tempstore_repository directly, which:

• Conflicts when multiple modules try to override the same service
• Complex inheritance chains that are difficult to maintain
• Challenges supporting optional module dependencies

Solution

Tempstore + implements the Strategy Pattern for tempstore operations:

• Strategies implement TempstoreStrategyInterface and define logic for specific
  storage types
• Tagged services are automatically discovered and registered with configurable
  priority
• Priority-based selection ensures the right strategy handles each tempstore operation

Features

• Workspace Awareness: Built-in support for workspace isolation via
  WorkspaceKeyTrait
• Extensible: Add custom strategies by creating a class and tagging it as a service
• No Conflicts: Multiple modules can provide strategies without overriding each other
• Backward Compatible: Works alongside modules that haven't adopted the pattern yet

Included Strategies

• LayoutTempstoreStrategy: Handles Layout Builder section storage with workspace
  awareness
• EntityTempstoreStrategy: Adds tempstore functionality for non-Layout Builder pages