fix(@angular/build): add define option to dev-server
#31633
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alan-agius4
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This change introduces a `define` option to the dev-server builder, allowing users to specify global constants that will be replaced at build time. This provides a convenient way to configure environment-specific variables directly from the dev-server configuration. The dev-server `define` option is merged with any `define` options present in the underlying build target, with the dev-server's values taking precedence in case of conflicts. To support testing of this feature, a new `modifyTarget` method has been added to the builder test harness. This helper simplifies the modification of a target's options within a test case. Comprehensive end-to-end tests have been added to verify the replacement, merging, and override behaviors.
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This change introduces a
defineoption to the dev-server builder, allowing users to specify global constants that will be replaced at build time. This provides a convenient way to configure environment-specific variables directly from the dev-server configuration.The dev-server
defineoption is merged with anydefineoptions present in the underlying build target, with the dev-server's values taking precedence in case of conflicts.To support testing of this feature, a new
modifyTargetmethod has been added to the builder test harness. This helper simplifies the modification of a target's options within a test case. Comprehensive end-to-end tests have been added to verify the replacement, merging, and override behaviors.Closes #28905