refactor(builder): libraryLessGenerator: Rewrite svg.less imports - #1488
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…LessGenerator The libraryLessGenerator processor already rewrites base.less imports from the UI5 resource path (sap/ui/core/themes/<theme>/base.less) to the theming-base-content path (Base/baseLib/<theme>/base.less) used by the Theme Designer. Extend this to also rewrite svg.less imports to Base/icons/<theme>/svg.less. The Theme Designer resolves imports against the theming-base-content structure. When a customer creates a custom theme, icon overrides are stored under Base/icons/<custom_theme>/. The parent theme's library.less must import from the same Base/icons/ path so that custom content layered on top takes effect via LESS "last definition wins" semantics. Extract a shared rewriteThemeDesignerImport() static method and drive both rewrites from a config array, so adding future rewrites is a one-liner.
matz3
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Jul 31, 2026
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The libraryLessGenerator processor already rewrites base.less imports from the UI5 resource path (sap/ui/core/themes//base.less) to the theming-base-content path (Base/baseLib//base.less) used by the Theme Designer. Extend this to also rewrite svg.less imports to Base/icons//svg.less.
The Theme Designer resolves imports against the theming-base-content structure. When a customer creates a custom theme, icon overrides are stored under Base/icons/<custom_theme>/. The parent theme's library.less must import from the same Base/icons/ path so that custom content layered on top takes effect via LESS "last definition wins" semantics.
Extract a shared rewriteThemeDesignerImport() static method and drive both rewrites from a config array, so adding future rewrites is a one-liner.
JIRA: CPOUI5FRAMEWORK-812
Up-port of SAP/ui5-builder#1223