206b95aba5
Summary: Pull Request resolved: https://github.com/facebook/yoga/pull/1613 So that GitHub links to edit a page point to the right place. This will fail in OSS build until I switch the directory used by Vercel instance, but I am waiting to do that until ready to land, since that would cause other in progress changes to fail when exported. Reviewed By: joevilches Differential Revision: D54837857 fbshipit-source-id: 9bec90232dbe3ec8638568685671185d597fcf2d
66 lines
2.5 KiB
Plaintext
66 lines
2.5 KiB
Plaintext
---
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sidebar_position: 5
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---
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import Playground from '@site/src/components/Playground';
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# Flex Basis, Grow, and Shrink
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**Flex basis**: Is an axis-independent way of providing the default size of an item
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along the main axis. Setting the flex basis of a child is similar to setting the [width](/docs/styling/width-height) of that
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child if its parent is a container with a row [flex direction](/docs/styling/flex-direction) or setting the [height](/docs/styling/width-height) of a child
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if its parent is a container with a column [flex direction](/docs/styling/flex-direction). The flex basis of an item is the
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default size of that item, the size of the item before any flex grow and flex shrink
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calculations are performed.
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<Playground code={`<Layout config={{useWebDefaults: false}}>
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<Node
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style={{
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width: 200,
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height: 200,
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padding: 10,
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}}>
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<Node style={{margin: 5, flexBasis: 50}} />
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</Node>
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</Layout>`} />
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**Flex grow**: Describes how any space within a container should be distributed
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among its children along the main axis. After laying out its children, a container will
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distribute any remaining space according to the flex grow values specified by its children.
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Flex grow accepts any floating point value >= 0, with 0 being the default value.
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A container will distribute any remaining space among its children weighted by the child’s flex grow value.
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<Playground code={`<Layout config={{useWebDefaults: false}}>
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<Node
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style={{
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width: 200,
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height: 200,
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padding: 10,
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}}>
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<Node style={{margin: 5, flexGrow: 0.25}} />
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<Node style={{margin: 5, flexGrow: 0.75}} />
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</Node>
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</Layout>`} />
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**Flex shrink**: Describes how to shrink children along the main axis in the
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case that the total size of the children overflow the size of the container on the main axis.
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flex shrink is very similar to flex grow and can be thought of in the same way if
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any overflowing size is considered to be negative remaining space.
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These two properties also work well together by allowing children to grow and shrink as needed.
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Flex shrink accepts any floating point value >= 0, with 1 being the default value.
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A container will shrink its children weighted by the child’s flex shrink value.
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<Playground code={`<Layout config={{useWebDefaults: false}}>
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<Node
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style={{
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width: 200,
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height: 200,
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padding: 10,
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}}>
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<Node style={{margin: 5, flexShrink: 5, height: 150}} />
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<Node style={{margin: 5, flexShrink: 10, height: 150}} />
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</Node>
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</Layout>`} />
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