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Fix align-content stretch of cross-stretched container #41964

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Summary:
D52087013 (#1513) fixed some issues where measuring under max-content, align-content stretch would consume the entire available cross-dimensions, instead of only sizing to definite dimension, like the spec dicates.

I missed a case, where flexbox considers a container as having a definite cross-size if it is being stretched, even if it doesn't have a definite length.

https://www.w3.org/TR/css-flexbox-1/#definite-sizes

  1. Once the cross size of a flex line has been determined, items in auto-sized flex containers are also considered definite for the purpose of layout;
  1. If a single-line flex container has a definite cross size, the outer cross size of any stretched flex items is the flex container’s inner cross size (clamped to the flex item’s min and max cross size) and is considered definite.

We handle align-items: stretch of a flex container after cross-size determination by laying out the child under stretch-fit (previously YGMeasureModeExactly) constraint. This checks that case, and sizing the line container to specified cross-dim if we are told to stretch to it.

We could probably afford to merge this a bit with later with what is currently step 9, where we end up redoing some of this same math.

Differential Revision: D52234980

@facebook-github-bot facebook-github-bot added the CLA Signed This label is managed by the Facebook bot. Authors need to sign the CLA before a PR can be reviewed. label Dec 17, 2023
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This pull request was exported from Phabricator. Differential Revision: D52234980

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This pull request was exported from Phabricator. Differential Revision: D52234980

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analysis-bot commented Dec 17, 2023

Platform Engine Arch Size (bytes) Diff
android hermes arm64-v8a 16,525,147 +26
android hermes armeabi-v7a n/a --
android hermes x86 n/a --
android hermes x86_64 n/a --
android jsc arm64-v8a 19,899,950 +36
android jsc armeabi-v7a n/a --
android jsc x86 n/a --
android jsc x86_64 n/a --

Base commit: 17d2c8a
Branch: main

Summary:
X-link: facebook/yoga#1524

D52087013 (microsoft#1513) fixed some issues, including where measuring under max-content or fit-content, align-content stretch would consume the entire available cross-dimensions, instead of only sizing to definite dimension, like the spec dicates.

I missed a case, where flexbox considers a container as having a definite cross-size if it is being stretched, even if it doesn't have a definite length.

https://www.w3.org/TR/css-flexbox-1/#definite-sizes

> 3. Once the cross size of a flex line has been determined, items in auto-sized flex containers are also considered definite for the purpose of layout;

> 1. If a single-line flex container has a definite cross size, the outer cross size of any stretched flex items is the flex container’s inner cross size (clamped to the flex item’s min and max cross size) and is considered definite.

We handle `align-items: stretch` of a flex container after cross-size determination by laying out the child under stretch-fit (previously YGMeasureModeExactly) constraint. This checks that case, and sizing the line container to specified cross-dim if we are told to stretch to it.

We could probably afford to merge this a bit with later with what is currently step 9, where we end up redoing some of this same math.

Reviewed By: yungsters

Differential Revision: D52234980
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This pull request was exported from Phabricator. Differential Revision: D52234980

NickGerleman added a commit to NickGerleman/yoga that referenced this pull request Dec 17, 2023
Summary:
X-link: facebook/react-native#41964


D52087013 (facebook#1513) fixed some issues, including where measuring under max-content or fit-content, align-content stretch would consume the entire available cross-dimensions, instead of only sizing to definite dimension, like the spec dicates.

I missed a case, where flexbox considers a container as having a definite cross-size if it is being stretched, even if it doesn't have a definite length.

https://www.w3.org/TR/css-flexbox-1/#definite-sizes

> 3. Once the cross size of a flex line has been determined, items in auto-sized flex containers are also considered definite for the purpose of layout;

> 1. If a single-line flex container has a definite cross size, the outer cross size of any stretched flex items is the flex container’s inner cross size (clamped to the flex item’s min and max cross size) and is considered definite.

We handle `align-items: stretch` of a flex container after cross-size determination by laying out the child under stretch-fit (previously YGMeasureModeExactly) constraint. This checks that case, and sizing the line container to specified cross-dim if we are told to stretch to it.

We could probably afford to merge this a bit with later with what is currently step 9, where we end up redoing some of this same math.

Reviewed By: yungsters

Differential Revision: D52234980
NickGerleman added a commit to NickGerleman/react-native that referenced this pull request Dec 17, 2023
Summary:

X-link: facebook/yoga#1524

D52087013 (microsoft#1513) fixed some issues, including where measuring under max-content or fit-content, align-content stretch would consume the entire available cross-dimensions, instead of only sizing to definite dimension, like the spec dicates.

I missed a case, where flexbox considers a container as having a definite cross-size if it is being stretched, even if it doesn't have a definite length.

https://www.w3.org/TR/css-flexbox-1/#definite-sizes

> 3. Once the cross size of a flex line has been determined, items in auto-sized flex containers are also considered definite for the purpose of layout;

> 1. If a single-line flex container has a definite cross size, the outer cross size of any stretched flex items is the flex container’s inner cross size (clamped to the flex item’s min and max cross size) and is considered definite.

We handle `align-items: stretch` of a flex container after cross-size determination by laying out the child under stretch-fit (previously YGMeasureModeExactly) constraint. This checks that case, and sizing the line container to specified cross-dim if we are told to stretch to it.

We could probably afford to merge this a bit with later with what is currently step 9, where we end up redoing some of this same math.

Reviewed By: yungsters

Differential Revision: D52234980
facebook-github-bot pushed a commit to facebook/yoga that referenced this pull request Dec 17, 2023
Summary:
X-link: facebook/react-native#41964

Pull Request resolved: #1524

D52087013 (#1513) fixed some issues, including where measuring under max-content or fit-content, align-content stretch would consume the entire available cross-dimensions, instead of only sizing to definite dimension, like the spec dicates.

I missed a case, where flexbox considers a container as having a definite cross-size if it is being stretched, even if it doesn't have a definite length.

https://www.w3.org/TR/css-flexbox-1/#definite-sizes

> 3. Once the cross size of a flex line has been determined, items in auto-sized flex containers are also considered definite for the purpose of layout;

> 1. If a single-line flex container has a definite cross size, the outer cross size of any stretched flex items is the flex container’s inner cross size (clamped to the flex item’s min and max cross size) and is considered definite.

We handle `align-items: stretch` of a flex container after cross-size determination by laying out the child under stretch-fit (previously YGMeasureModeExactly) constraint. This checks that case, and sizing the line container to specified cross-dim if we are told to stretch to it.

We could probably afford to merge this a bit with later with what is currently step 9, where we end up redoing some of this same math.

Reviewed By: yungsters

Differential Revision: D52234980

fbshipit-source-id: 475773a352fd01f63a4b21e93a55519726dc0da7
facebook-github-bot pushed a commit to facebook/litho that referenced this pull request Dec 17, 2023
Summary:
X-link: facebook/react-native#41964

X-link: facebook/yoga#1524

D52087013 (#1513) fixed some issues, including where measuring under max-content or fit-content, align-content stretch would consume the entire available cross-dimensions, instead of only sizing to definite dimension, like the spec dicates.

I missed a case, where flexbox considers a container as having a definite cross-size if it is being stretched, even if it doesn't have a definite length.

https://www.w3.org/TR/css-flexbox-1/#definite-sizes

> 3. Once the cross size of a flex line has been determined, items in auto-sized flex containers are also considered definite for the purpose of layout;

> 1. If a single-line flex container has a definite cross size, the outer cross size of any stretched flex items is the flex container’s inner cross size (clamped to the flex item’s min and max cross size) and is considered definite.

We handle `align-items: stretch` of a flex container after cross-size determination by laying out the child under stretch-fit (previously YGMeasureModeExactly) constraint. This checks that case, and sizing the line container to specified cross-dim if we are told to stretch to it.

We could probably afford to merge this a bit with later with what is currently step 9, where we end up redoing some of this same math.

Reviewed By: yungsters

Differential Revision: D52234980

fbshipit-source-id: 475773a352fd01f63a4b21e93a55519726dc0da7
@facebook-github-bot facebook-github-bot added the Merged This PR has been merged. label Dec 17, 2023
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This pull request has been merged in b7eb0c8.

Othinn pushed a commit to Othinn/react-native that referenced this pull request Jan 9, 2024
Summary:
Pull Request resolved: facebook#41964

X-link: facebook/yoga#1524

D52087013 (facebook#1513) fixed some issues, including where measuring under max-content or fit-content, align-content stretch would consume the entire available cross-dimensions, instead of only sizing to definite dimension, like the spec dicates.

I missed a case, where flexbox considers a container as having a definite cross-size if it is being stretched, even if it doesn't have a definite length.

https://www.w3.org/TR/css-flexbox-1/#definite-sizes

> 3. Once the cross size of a flex line has been determined, items in auto-sized flex containers are also considered definite for the purpose of layout;

> 1. If a single-line flex container has a definite cross size, the outer cross size of any stretched flex items is the flex container’s inner cross size (clamped to the flex item’s min and max cross size) and is considered definite.

We handle `align-items: stretch` of a flex container after cross-size determination by laying out the child under stretch-fit (previously YGMeasureModeExactly) constraint. This checks that case, and sizing the line container to specified cross-dim if we are told to stretch to it.

We could probably afford to merge this a bit with later with what is currently step 9, where we end up redoing some of this same math.

Reviewed By: yungsters

Differential Revision: D52234980

fbshipit-source-id: 475773a352fd01f63a4b21e93a55519726dc0da7
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