[12.2.x] fix(@angular-devkit/build-angular): improve fidelity and performance of babel loader sourcemaps #21900
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…of babel loader sourcemaps This change uses the `@ampproject/remapping` package to merge sourcemaps generated from the customized babel loader used to perform the partial compilation linking in applications as well as other optimization and downleveling transformations. This provides more accurate output mappings as well as improved performance and lower memory usage when source maps are enabled within a build. (cherry picked from commit f10a828)
clydin
changed the title
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alan-agius4
approved these changes
Oct 8, 2021
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This change uses the
@ampproject/remappingpackage to merge sourcemaps generated from the customized babel loader used to perform the partial compilation linking in applications as well as other optimization and downleveling transformations. This provides more accurate output mappings as well as improved performance and lower memory usage when source maps are enabled within a build.12.2.x variant of #21857