react-native/Libraries/StyleSheet/StyleSheetTypes.js

659 lines
22 KiB
JavaScript

/**
* Copyright (c) Facebook, Inc. and its affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @flow strict-local
* @format
*/
'use strict';
const AnimatedNode = require('AnimatedNode');
export type ColorValue = null | string;
export type DimensionValue = null | number | string | AnimatedNode;
/**
* React Native's layout system is based on Flexbox and is powered both
* on iOS and Android by an open source project called `Yoga`:
* https://github.com/facebook/yoga
*
* The implementation in Yoga is slightly different from what the
* Flexbox spec defines - for example, we chose more sensible default
* values. Since our layout docs are generated from the comments in this
* file, please keep a brief comment describing each prop type.
*
* These properties are a subset of our styles that are consumed by the layout
* algorithm and affect the positioning and sizing of views.
*/
export type ____LayoutStyle_Internal = $ReadOnly<{|
/** `display` sets the display type of this component.
*
* It works similarly to `display` in CSS, but only support 'flex' and 'none'.
* 'flex' is the default.
*/
display?: 'none' | 'flex',
/** `width` sets the width of this component.
*
* It works similarly to `width` in CSS, but in React Native you
* must use points or percentages. Ems and other units are not supported.
* See https://developer.mozilla.org/en-US/docs/Web/CSS/width for more details.
*/
width?: DimensionValue,
/** `height` sets the height of this component.
*
* It works similarly to `height` in CSS, but in React Native you
* must use points or percentages. Ems and other units are not supported.
* See https://developer.mozilla.org/en-US/docs/Web/CSS/height for more details.
*/
height?: DimensionValue,
/** `bottom` is the number of logical pixels to offset the bottom edge of
* this component.
*
* It works similarly to `bottom` in CSS, but in React Native you
* must use points or percentages. Ems and other units are not supported.
*
* See https://developer.mozilla.org/en-US/docs/Web/CSS/bottom
* for more details of how `bottom` affects layout.
*/
bottom?: DimensionValue,
/**
* When the direction is `ltr`, `end` is equivalent to `right`.
* When the direction is `rtl`, `end` is equivalent to `left`.
*
* This style takes precedence over the `left` and `right` styles.
*/
end?: DimensionValue,
/** `left` is the number of logical pixels to offset the left edge of
* this component.
*
* It works similarly to `left` in CSS, but in React Native you
* must use points or percentages. Ems and other units are not supported.
*
* See https://developer.mozilla.org/en-US/docs/Web/CSS/left
* for more details of how `left` affects layout.
*/
left?: DimensionValue,
/** `right` is the number of logical pixels to offset the right edge of
* this component.
*
* It works similarly to `right` in CSS, but in React Native you
* must use points or percentages. Ems and other units are not supported.
*
* See https://developer.mozilla.org/en-US/docs/Web/CSS/right
* for more details of how `right` affects layout.
*/
right?: DimensionValue,
/**
* When the direction is `ltr`, `start` is equivalent to `left`.
* When the direction is `rtl`, `start` is equivalent to `right`.
*
* This style takes precedence over the `left`, `right`, and `end` styles.
*/
start?: DimensionValue,
/** `top` is the number of logical pixels to offset the top edge of
* this component.
*
* It works similarly to `top` in CSS, but in React Native you
* must use points or percentages. Ems and other units are not supported.
*
* See https://developer.mozilla.org/en-US/docs/Web/CSS/top
* for more details of how `top` affects layout.
*/
top?: DimensionValue,
/** `minWidth` is the minimum width for this component, in logical pixels.
*
* It works similarly to `min-width` in CSS, but in React Native you
* must use points or percentages. Ems and other units are not supported.
*
* See https://developer.mozilla.org/en-US/docs/Web/CSS/min-width
* for more details.
*/
minWidth?: DimensionValue,
/** `maxWidth` is the maximum width for this component, in logical pixels.
*
* It works similarly to `max-width` in CSS, but in React Native you
* must use points or percentages. Ems and other units are not supported.
*
* See https://developer.mozilla.org/en-US/docs/Web/CSS/max-width
* for more details.
*/
maxWidth?: DimensionValue,
/** `minHeight` is the minimum height for this component, in logical pixels.
*
* It works similarly to `min-height` in CSS, but in React Native you
* must use points or percentages. Ems and other units are not supported.
*
* See https://developer.mozilla.org/en-US/docs/Web/CSS/min-height
* for more details.
*/
minHeight?: DimensionValue,
/** `maxHeight` is the maximum height for this component, in logical pixels.
*
* It works similarly to `max-height` in CSS, but in React Native you
* must use points or percentages. Ems and other units are not supported.
*
* See https://developer.mozilla.org/en-US/docs/Web/CSS/max-height
* for more details.
*/
maxHeight?: DimensionValue,
/** Setting `margin` has the same effect as setting each of
* `marginTop`, `marginLeft`, `marginBottom`, and `marginRight`.
* See https://developer.mozilla.org/en-US/docs/Web/CSS/margin
* for more details.
*/
margin?: DimensionValue,
/** `marginBottom` works like `margin-bottom` in CSS.
* See https://developer.mozilla.org/en-US/docs/Web/CSS/margin-bottom
* for more details.
*/
marginBottom?: DimensionValue,
/**
* When direction is `ltr`, `marginEnd` is equivalent to `marginRight`.
* When direction is `rtl`, `marginEnd` is equivalent to `marginLeft`.
*/
marginEnd?: DimensionValue,
/** Setting `marginHorizontal` has the same effect as setting
* both `marginLeft` and `marginRight`.
*/
marginHorizontal?: DimensionValue,
/** `marginLeft` works like `margin-left` in CSS.
* See https://developer.mozilla.org/en-US/docs/Web/CSS/margin-left
* for more details.
*/
marginLeft?: DimensionValue,
/** `marginRight` works like `margin-right` in CSS.
* See https://developer.mozilla.org/en-US/docs/Web/CSS/margin-right
* for more details.
*/
marginRight?: DimensionValue,
/**
* When direction is `ltr`, `marginStart` is equivalent to `marginLeft`.
* When direction is `rtl`, `marginStart` is equivalent to `marginRight`.
*/
marginStart?: DimensionValue,
/** `marginTop` works like `margin-top` in CSS.
* See https://developer.mozilla.org/en-US/docs/Web/CSS/margin-top
* for more details.
*/
marginTop?: DimensionValue,
/** Setting `marginVertical` has the same effect as setting both
* `marginTop` and `marginBottom`.
*/
marginVertical?: DimensionValue,
/** Setting `padding` has the same effect as setting each of
* `paddingTop`, `paddingBottom`, `paddingLeft`, and `paddingRight`.
* See https://developer.mozilla.org/en-US/docs/Web/CSS/padding
* for more details.
*/
padding?: DimensionValue,
/** `paddingBottom` works like `padding-bottom` in CSS.
* See https://developer.mozilla.org/en-US/docs/Web/CSS/padding-bottom
* for more details.
*/
paddingBottom?: DimensionValue,
/**
* When direction is `ltr`, `paddingEnd` is equivalent to `paddingRight`.
* When direction is `rtl`, `paddingEnd` is equivalent to `paddingLeft`.
*/
paddingEnd?: DimensionValue,
/** Setting `paddingHorizontal` is like setting both of
* `paddingLeft` and `paddingRight`.
*/
paddingHorizontal?: DimensionValue,
/** `paddingLeft` works like `padding-left` in CSS.
* See https://developer.mozilla.org/en-US/docs/Web/CSS/padding-left
* for more details.
*/
paddingLeft?: DimensionValue,
/** `paddingRight` works like `padding-right` in CSS.
* See https://developer.mozilla.org/en-US/docs/Web/CSS/padding-right
* for more details.
*/
paddingRight?: DimensionValue,
/**
* When direction is `ltr`, `paddingStart` is equivalent to `paddingLeft`.
* When direction is `rtl`, `paddingStart` is equivalent to `paddingRight`.
*/
paddingStart?: DimensionValue,
/** `paddingTop` works like `padding-top` in CSS.
* See https://developer.mozilla.org/en-US/docs/Web/CSS/padding-top
* for more details.
*/
paddingTop?: DimensionValue,
/** Setting `paddingVertical` is like setting both of
* `paddingTop` and `paddingBottom`.
*/
paddingVertical?: DimensionValue,
/** `borderWidth` works like `border-width` in CSS.
* See https://developer.mozilla.org/en-US/docs/Web/CSS/border-width
* for more details.
*/
borderWidth?: number,
/** `borderBottomWidth` works like `border-bottom-width` in CSS.
* See https://developer.mozilla.org/en-US/docs/Web/CSS/border-bottom-width
* for more details.
*/
borderBottomWidth?: number,
/**
* When direction is `ltr`, `borderEndWidth` is equivalent to `borderRightWidth`.
* When direction is `rtl`, `borderEndWidth` is equivalent to `borderLeftWidth`.
*/
borderEndWidth?: number,
/** `borderLeftWidth` works like `border-left-width` in CSS.
* See https://developer.mozilla.org/en-US/docs/Web/CSS/border-left-width
* for more details.
*/
borderLeftWidth?: number,
/** `borderRightWidth` works like `border-right-width` in CSS.
* See https://developer.mozilla.org/en-US/docs/Web/CSS/border-right-width
* for more details.
*/
borderRightWidth?: number,
/**
* When direction is `ltr`, `borderStartWidth` is equivalent to `borderLeftWidth`.
* When direction is `rtl`, `borderStartWidth` is equivalent to `borderRightWidth`.
*/
borderStartWidth?: number,
/** `borderTopWidth` works like `border-top-width` in CSS.
* See https://developer.mozilla.org/en-US/docs/Web/CSS/border-top-width
* for more details.
*/
borderTopWidth?: number,
/** `position` in React Native is similar to regular CSS, but
* everything is set to `relative` by default, so `absolute`
* positioning is always just relative to the parent.
*
* If you want to position a child using specific numbers of logical
* pixels relative to its parent, set the child to have `absolute`
* position.
*
* If you want to position a child relative to something
* that is not its parent, just don't use styles for that. Use the
* component tree.
*
* See https://github.com/facebook/yoga
* for more details on how `position` differs between React Native
* and CSS.
*/
position?: 'absolute' | 'relative',
/** `flexDirection` controls which directions children of a container go.
* `row` goes left to right, `column` goes top to bottom, and you may
* be able to guess what the other two do. It works like `flex-direction`
* in CSS, except the default is `column`.
* See https://developer.mozilla.org/en-US/docs/Web/CSS/flex-direction
* for more details.
*/
flexDirection?: 'row' | 'row-reverse' | 'column' | 'column-reverse',
/** `flexWrap` controls whether children can wrap around after they
* hit the end of a flex container.
* It works like `flex-wrap` in CSS (default: nowrap).
* See https://developer.mozilla.org/en-US/docs/Web/CSS/flex-wrap
* for more details.
*/
flexWrap?: 'wrap' | 'nowrap' | 'wrap-reverse',
/** `justifyContent` aligns children in the main direction.
* For example, if children are flowing vertically, `justifyContent`
* controls how they align vertically.
* It works like `justify-content` in CSS (default: flex-start).
* See https://developer.mozilla.org/en-US/docs/Web/CSS/justify-content
* for more details.
*/
justifyContent?:
| 'flex-start'
| 'flex-end'
| 'center'
| 'space-between'
| 'space-around'
| 'space-evenly',
/** `alignItems` aligns children in the cross direction.
* For example, if children are flowing vertically, `alignItems`
* controls how they align horizontally.
* It works like `align-items` in CSS (default: stretch).
* See https://developer.mozilla.org/en-US/docs/Web/CSS/align-items
* for more details.
*/
alignItems?: 'flex-start' | 'flex-end' | 'center' | 'stretch' | 'baseline',
/** `alignSelf` controls how a child aligns in the cross direction,
* overriding the `alignItems` of the parent. It works like `align-self`
* in CSS (default: auto).
* See https://developer.mozilla.org/en-US/docs/Web/CSS/align-self
* for more details.
*/
alignSelf?:
| 'auto'
| 'flex-start'
| 'flex-end'
| 'center'
| 'stretch'
| 'baseline',
/** `alignContent` controls how rows align in the cross direction,
* overriding the `alignContent` of the parent.
* See https://developer.mozilla.org/en-US/docs/Web/CSS/align-content
* for more details.
*/
alignContent?:
| 'flex-start'
| 'flex-end'
| 'center'
| 'stretch'
| 'space-between'
| 'space-around',
/** `overflow` controls how children are measured and displayed.
* `overflow: hidden` causes views to be clipped while `overflow: scroll`
* causes views to be measured independently of their parents main axis.
* It works like `overflow` in CSS (default: visible).
* See https://developer.mozilla.org/en/docs/Web/CSS/overflow
* for more details.
* `overflow: visible` only works on iOS. On Android, all views will clip
* their children.
*/
overflow?: 'visible' | 'hidden' | 'scroll',
/** In React Native `flex` does not work the same way that it does in CSS.
* `flex` is a number rather than a string, and it works
* according to the `Yoga` library
* at https://github.com/facebook/yoga
*
* When `flex` is a positive number, it makes the component flexible
* and it will be sized proportional to its flex value. So a
* component with `flex` set to 2 will take twice the space as a
* component with `flex` set to 1.
*
* When `flex` is 0, the component is sized according to `width`
* and `height` and it is inflexible.
*
* When `flex` is -1, the component is normally sized according
* `width` and `height`. However, if there's not enough space,
* the component will shrink to its `minWidth` and `minHeight`.
*
* flexGrow, flexShrink, and flexBasis work the same as in CSS.
*/
flex?: number,
flexGrow?: number,
flexShrink?: number,
flexBasis?: number | string,
/**
* Aspect ratio control the size of the undefined dimension of a node. Aspect ratio is a
* non-standard property only available in react native and not CSS.
*
* - On a node with a set width/height aspect ratio control the size of the unset dimension
* - On a node with a set flex basis aspect ratio controls the size of the node in the cross axis
* if unset
* - On a node with a measure function aspect ratio works as though the measure function measures
* the flex basis
* - On a node with flex grow/shrink aspect ratio controls the size of the node in the cross axis
* if unset
* - Aspect ratio takes min/max dimensions into account
*/
aspectRatio?: number,
/** `zIndex` controls which components display on top of others.
* Normally, you don't use `zIndex`. Components render according to
* their order in the document tree, so later components draw over
* earlier ones. `zIndex` may be useful if you have animations or custom
* modal interfaces where you don't want this behavior.
*
* It works like the CSS `z-index` property - components with a larger
* `zIndex` will render on top. Think of the z-direction like it's
* pointing from the phone into your eyeball.
* See https://developer.mozilla.org/en-US/docs/Web/CSS/z-index for
* more details.
*/
zIndex?: number,
/** `direction` specifies the directional flow of the user interface.
* The default is `inherit`, except for root node which will have
* value based on the current locale.
* See https://facebook.github.io/yoga/docs/rtl/
* for more details.
* @platform ios
*/
direction?: 'inherit' | 'ltr' | 'rtl',
|}>;
export type ____TransformStyle_Internal = $ReadOnly<{|
/**
* `transform` accepts an array of transformation objects. Each object specifies
* the property that will be transformed as the key, and the value to use in the
* transformation. Objects should not be combined. Use a single key/value pair
* per object.
*
* The rotate transformations require a string so that the transform may be
* expressed in degrees (deg) or radians (rad). For example:
*
* `transform([{ rotateX: '45deg' }, { rotateZ: '0.785398rad' }])`
*
* The skew transformations require a string so that the transform may be
* expressed in degrees (deg). For example:
*
* `transform([{ skewX: '45deg' }])`
*/
transform?: $ReadOnlyArray<
| {|+perspective: number | AnimatedNode|}
| {|+rotate: string | AnimatedNode|}
| {|+rotateX: string | AnimatedNode|}
| {|+rotateY: string | AnimatedNode|}
| {|+rotateZ: string | AnimatedNode|}
| {|+scale: number | AnimatedNode|}
| {|+scaleX: number | AnimatedNode|}
| {|+scaleY: number | AnimatedNode|}
| {|+translateX: number | AnimatedNode|}
| {|+translateY: number | AnimatedNode|}
| {|
+translate:
| [number | AnimatedNode, number | AnimatedNode]
| AnimatedNode,
|}
| {|+skewX: string|}
| {|+skewY: string|}
// TODO: what is the actual type it expects?
| {|
+matrix: $ReadOnlyArray<number | AnimatedNode> | AnimatedNode,
|},
>,
|}>;
/**
* These props can be used to dynamically generate shadows on views, images, text, etc.
*
* Because they are dynamically generated, they may cause performance regressions. Static
* shadow image asset may be a better way to go for optimal performance.
*
* These properties are iOS only - for similar functionality on Android, use the [`elevation`
* property](docs/viewstyleproptypes.html#elevation).
*/
export type ____ShadowStyle_Internal = $ReadOnly<{|
/**
* Sets the drop shadow color
* @platform ios
*/
shadowColor?: ColorValue,
/**
* Sets the drop shadow offset
* @platform ios
*/
shadowOffset?: $ReadOnly<{|
width?: number,
height?: number,
|}>,
/**
* Sets the drop shadow opacity (multiplied by the color's alpha component)
* @platform ios
*/
shadowOpacity?: number | AnimatedNode,
/**
* Sets the drop shadow blur radius
* @platform ios
*/
shadowRadius?: number,
|}>;
export type ____ViewStyle_Internal = $ReadOnly<{|
...$Exact<____LayoutStyle_Internal>,
...$Exact<____ShadowStyle_Internal>,
...$Exact<____TransformStyle_Internal>,
backfaceVisibility?: 'visible' | 'hidden',
backgroundColor?: ColorValue,
borderColor?: ColorValue,
borderBottomColor?: ColorValue,
borderEndColor?: ColorValue,
borderLeftColor?: ColorValue,
borderRightColor?: ColorValue,
borderStartColor?: ColorValue,
borderTopColor?: ColorValue,
borderRadius?: number | AnimatedNode,
borderBottomEndRadius?: number | AnimatedNode,
borderBottomLeftRadius?: number | AnimatedNode,
borderBottomRightRadius?: number | AnimatedNode,
borderBottomStartRadius?: number | AnimatedNode,
borderTopEndRadius?: number | AnimatedNode,
borderTopLeftRadius?: number | AnimatedNode,
borderTopRightRadius?: number | AnimatedNode,
borderTopStartRadius?: number | AnimatedNode,
borderStyle?: 'solid' | 'dotted' | 'dashed',
borderWidth?: number | AnimatedNode,
borderBottomWidth?: number | AnimatedNode,
borderEndWidth?: number | AnimatedNode,
borderLeftWidth?: number | AnimatedNode,
borderRightWidth?: number | AnimatedNode,
borderStartWidth?: number | AnimatedNode,
borderTopWidth?: number | AnimatedNode,
opacity?: number | AnimatedNode,
elevation?: number,
|}>;
export type ____TextStyle_Internal = $ReadOnly<{|
...$Exact<____ViewStyle_Internal>,
color?: ColorValue,
fontFamily?: string,
fontSize?: number,
fontStyle?: 'normal' | 'italic',
fontWeight?:
| 'normal'
| 'bold'
| '100'
| '200'
| '300'
| '400'
| '500'
| '600'
| '700'
| '800'
| '900',
fontVariant?: $ReadOnlyArray<
| 'small-caps'
| 'oldstyle-nums'
| 'lining-nums'
| 'tabular-nums'
| 'proportional-nums',
>,
textShadowOffset?: $ReadOnly<{|
width: number,
height: number,
|}>,
textShadowRadius?: number,
textShadowColor?: ColorValue,
letterSpacing?: number,
lineHeight?: number,
textAlign?: 'auto' | 'left' | 'right' | 'center' | 'justify',
textAlignVertical?: 'auto' | 'top' | 'bottom' | 'center',
includeFontPadding?: boolean,
textDecorationLine?:
| 'none'
| 'underline'
| 'line-through'
| 'underline line-through',
textDecorationStyle?: 'solid' | 'double' | 'dotted' | 'dashed',
textDecorationColor?: ColorValue,
textTransform?: 'none' | 'capitalize' | 'uppercase' | 'lowercase',
writingDirection?: 'auto' | 'ltr' | 'rtl',
|}>;
export type ____ImageStyle_Internal = $ReadOnly<{|
...$Exact<____ViewStyle_Internal>,
resizeMode?: 'contain' | 'cover' | 'stretch' | 'center' | 'repeat',
tintColor?: ColorValue,
overlayColor?: string,
|}>;
export type ____DangerouslyImpreciseStyle_Internal = {
...$Exact<____TextStyle_Internal>,
+resizeMode?: 'contain' | 'cover' | 'stretch' | 'center' | 'repeat',
+tintColor?: ColorValue,
+overlayColor?: string,
};
type GenericStyleProp<+T> =
| null
| void
| T
| false
| ''
| $ReadOnlyArray<GenericStyleProp<T>>;
export type ____DangerouslyImpreciseStyleProp_Internal = GenericStyleProp<
$Shape<____DangerouslyImpreciseStyle_Internal>,
>;
export type ____ViewStyleProp_Internal = GenericStyleProp<
$ReadOnly<$Shape<____ViewStyle_Internal>>,
>;
export type ____TextStyleProp_Internal = GenericStyleProp<
$ReadOnly<$Shape<____TextStyle_Internal>>,
>;
export type ____ImageStyleProp_Internal = GenericStyleProp<
$ReadOnly<$Shape<____ImageStyle_Internal>>,
>;
export type ____Styles_Internal = {
+[key: string]: $Shape<____DangerouslyImpreciseStyle_Internal>,
};