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backstage/migrate-mui-layout-to-bui-layout

MUI 4 to BUI: Convert common MUI layout primitives to BUI layout

backstagemigrationmuibuilayout
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@backstage/migrate-mui-layout-to-bui-layout

Converts common MUI layout primitives (Box / Paper / Grid) toward BUI layout.

Covers

  • Box flex-container happy paths
  • Simple Grid boolean / item patterns
  • Paper heuristic: bare → Box bg="neutral" (+ verify TODO for dropped default elevation); card-like → Card (never Surface)

TODOs / won't-do

  • box-component-todo, grid-todo, paper-elevation-todo
  • Explicit elevation / variant / ambiguous Paper left with TODO(backstage-codemod)
  • Bare Paper without elevation still migrates to Box, but emits a default-elevation verify TODO (MUI default is elevation={1})
  • Full Grid system / responsive matrix rewrites

Test

bash

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