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Adding better guards for DDC loader injection logic #2733
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davidmorgan
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Jan 5, 2026
bkonyi
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Related to issues introduced in e2d14f1
Flutter's DDC impl depends on DWDS injecting the logic that begins script loading. This logic isn't used by the Frontend Server implementation in package:build, which is toggled by the
canaryflag in webdev. This change adds a guard that ensures Flutter impls continue to get this injected loader regardless of the downstream work.This also adds a separate build_runner + Frontend Server test target (no tests currently use this). Filters propagated to tests as well.