Project control flow branches individually #54921
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This commit changes the way we use containers to insert conditional content. Previously if and switch conditional would always use the first content as the insertion container. This strategy interfered with content projection that projects entire containers - as the consequence content for _all_ cases would end up in slot matched by the first container. This could be very surprising as desicribed in angular#54840 After the change each conditional content is projected into its own container. This means that content projection can match more than one container and result in correct display. Fixes angular#54840
…on in if blocks Previously only the first branch of an `if` block was captured for content projection. This was done because of some planned refactors in the future. Since we've decided not to apply those refactors to conditionals, these changes update the compiler to capture each branch individually for content projection purposes.
Captures the individual cases in `switch` blocks for content projection purposes.
Updates the logic that detects if a node should be checked for control flow content projection to exit as soon as it detects a second root node, instead of counting the total and then checking if it's more than one.
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This PR was merged into the repository by commit fc13144. |
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…on in if blocks (#54921) Previously only the first branch of an `if` block was captured for content projection. This was done because of some planned refactors in the future. Since we've decided not to apply those refactors to conditionals, these changes update the compiler to capture each branch individually for content projection purposes. PR Close #54921
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) Captures the individual cases in `switch` blocks for content projection purposes. PR Close #54921
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…ngular#54921) This commit changes the way we use containers to insert conditional content. Previously if and switch conditional would always use the first content as the insertion container. This strategy interfered with content projection that projects entire containers - as the consequence content for _all_ cases would end up in slot matched by the first container. This could be very surprising as desicribed in angular#54840 After the change each conditional content is projected into its own container. This means that content projection can match more than one container and result in correct display. Fixes angular#54840 PR Close angular#54921
ilirbeqirii
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Apr 6, 2024
…on in if blocks (angular#54921) Previously only the first branch of an `if` block was captured for content projection. This was done because of some planned refactors in the future. Since we've decided not to apply those refactors to conditionals, these changes update the compiler to capture each branch individually for content projection purposes. PR Close angular#54921
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…ular#54921) Captures the individual cases in `switch` blocks for content projection purposes. PR Close angular#54921
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…ngular#54921) Updates the logic that detects if a node should be checked for control flow content projection to exit as soon as it detects a second root node, instead of counting the total and then checking if it's more than one. PR Close angular#54921
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Includes the following changes to allow the branches of
ifbloks to be projected individually and forcaseanddefaultblock contents to be projected.fix(core): correctly project single-root content inside control flow
This commit changes the way we use containers to insert conditional content. Previously if and switch conditional would always use the first content as the insertion container. This strategy interfered with content projection that projects entire containers - as the consequence content for all cases would end up in slot matched by the first container. This could be very surprising as described in #54840
After the change each conditional content is projected into its own container. This means that content projection can match more than one container and result in correct display.
fix(compiler): capture all control flow branches for content projection in if blocks
Previously only the first branch of an
ifblock was captured for content projection. This was done because of some planned refactors in the future. Since we've decided not to apply those refactors to conditionals, these changes update the compiler to capture each branch individually for content projection purposes.fix(compiler): capture switch block cases for content projection
Captures the individual cases in
switchblocks for content projection purposes.refactor(compiler-cli): exit early when checking content projection
Updates the logic that detects if a node should be checked for control flow content projection to exit as soon as it detects a second root node, instead of counting the total and then checking if it's more than one.
Fixes #54840.