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refactor: improve `StencilShapeRegistry` method signatures by tbouffard · Pull Request #660 · maxGraph/maxGraph

Walkthrough

The pull request introduces a new Jest test file for the StencilShapeRegistry and makes several adjustments to how stencil shapes are retrieved. Explicit type assertions have been removed from calls to StencilShapeRegistry.getStencil in both cell and node rendering files. In the registry itself, code formatting and method signature updates have been applied, including changes in loop conditions and variable declarations. A change in a story file now accesses the stencil shape directly, removing a previous fallback mechanism.

Changes

File(s) Change Summary
packages/core/tests/.../StencilShapeRegistry.test.ts Added a Jest test file for StencilShapeRegistry to verify that getStencil returns undefined for inputs such as null, undefined, and 'unknown'.
packages/core/src/view/cell/CellRenderer.ts
packages/core/src/view/geometry/node/StencilShape.ts		 Removed explicit type assertions when calling getStencil, simplifying the code that retrieves stencil shapes from state and node attributes.
packages/core/src/view/geometry/node/StencilShapeRegistry.ts Improved code formatting by using const declarations and a simplified loop condition; updated method signatures to include explicit return types and modified the addStencil invocation.
packages/html/stories/Stencils.stories.ts Modified the createSelectionShape method by removing the nullish coalescing fallback when retrieving the stencil shape, which may affect behavior when the shape is undefined.

Sequence Diagram(s)

sequenceDiagram
    participant Component
    participant Registry as StencilShapeRegistry
    Component->>Registry: getStencil(stencilName)
    alt Stencil exists
        Registry-->>Component: Returns StencilShape
    else 
        Registry-->>Component: Returns undefined
    end
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📥 Commits

Reviewing files that changed from the base of the PR and between 921e8ef and 8e39040.

📒 Files selected for processing (1)
  • packages/core/src/view/geometry/node/StencilShapeRegistry.ts (1 hunks)
🚧 Files skipped from review as they are similar to previous changes (1)
  • packages/core/src/view/geometry/node/StencilShapeRegistry.ts

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