Samuel Newman
862 lines
23 KiB
TypeScript
862 lines
23 KiB
TypeScript
import React from 'react'
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import {
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type AccessibilityProps,
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type GestureResponderEvent,
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type MouseEvent,
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type NativeSyntheticEvent,
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Pressable,
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type PressableProps,
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type StyleProp,
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StyleSheet,
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type TargetedEvent,
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type TextProps,
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type TextStyle,
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View,
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type ViewStyle,
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} from 'react-native'
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import {LinearGradient} from 'expo-linear-gradient'
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import {atoms as a, flatten, select, tokens, useTheme} from '#/alf'
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import {type Props as SVGIconProps} from '#/components/icons/common'
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import {Text} from '#/components/Typography'
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export type ButtonVariant = 'solid' | 'outline' | 'ghost' | 'gradient'
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export type ButtonColor =
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| 'primary'
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| 'secondary'
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| 'secondary_inverted'
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| 'negative'
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| 'negative_secondary'
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| 'gradient_primary'
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| 'gradient_sky'
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| 'gradient_midnight'
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| 'gradient_sunrise'
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| 'gradient_sunset'
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| 'gradient_nordic'
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| 'gradient_bonfire'
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export type ButtonSize = 'tiny' | 'small' | 'large'
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export type ButtonShape = 'round' | 'square' | 'default'
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export type VariantProps = {
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/**
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* The style variation of the button
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*/
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variant?: ButtonVariant
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/**
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* The color of the button
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*/
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color?: ButtonColor
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/**
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* The size of the button
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*/
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size?: ButtonSize
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/**
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* The shape of the button
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*/
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shape?: ButtonShape
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}
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export type ButtonState = {
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hovered: boolean
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focused: boolean
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pressed: boolean
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disabled: boolean
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}
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export type ButtonContext = VariantProps & ButtonState
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type NonTextElements =
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| React.ReactElement<any>
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| Iterable<React.ReactElement<any> | null | undefined | boolean>
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export type ButtonProps = Pick<
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PressableProps,
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| 'disabled'
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| 'onPress'
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| 'testID'
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| 'onLongPress'
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| 'hitSlop'
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| 'onHoverIn'
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| 'onHoverOut'
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| 'onPressIn'
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| 'onPressOut'
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| 'onFocus'
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| 'onBlur'
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> &
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AccessibilityProps &
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VariantProps & {
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testID?: string
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/**
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* For a11y, try to make this descriptive and clear
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*/
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label: string
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style?: StyleProp<ViewStyle>
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hoverStyle?: StyleProp<ViewStyle>
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children: NonTextElements | ((context: ButtonContext) => NonTextElements)
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PressableComponent?: React.ComponentType<PressableProps>
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}
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export type ButtonTextProps = TextProps & VariantProps & {disabled?: boolean}
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const Context = React.createContext<VariantProps & ButtonState>({
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hovered: false,
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focused: false,
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pressed: false,
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disabled: false,
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})
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export function useButtonContext() {
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return React.useContext(Context)
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}
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export const Button = React.forwardRef<View, ButtonProps>(
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(
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{
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children,
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variant,
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color,
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size,
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shape = 'default',
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label,
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disabled = false,
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style,
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hoverStyle: hoverStyleProp,
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PressableComponent = Pressable,
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onPressIn: onPressInOuter,
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onPressOut: onPressOutOuter,
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onHoverIn: onHoverInOuter,
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onHoverOut: onHoverOutOuter,
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onFocus: onFocusOuter,
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onBlur: onBlurOuter,
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...rest
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},
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ref,
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) => {
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const t = useTheme()
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const [state, setState] = React.useState({
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pressed: false,
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hovered: false,
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focused: false,
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})
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const onPressIn = React.useCallback(
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(e: GestureResponderEvent) => {
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setState(s => ({
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...s,
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pressed: true,
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}))
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onPressInOuter?.(e)
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},
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[setState, onPressInOuter],
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)
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const onPressOut = React.useCallback(
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(e: GestureResponderEvent) => {
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setState(s => ({
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...s,
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pressed: false,
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}))
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onPressOutOuter?.(e)
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},
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[setState, onPressOutOuter],
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)
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const onHoverIn = React.useCallback(
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(e: MouseEvent) => {
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setState(s => ({
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...s,
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hovered: true,
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}))
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onHoverInOuter?.(e)
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},
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[setState, onHoverInOuter],
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)
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const onHoverOut = React.useCallback(
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(e: MouseEvent) => {
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setState(s => ({
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...s,
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hovered: false,
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}))
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onHoverOutOuter?.(e)
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},
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[setState, onHoverOutOuter],
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)
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const onFocus = React.useCallback(
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(e: NativeSyntheticEvent<TargetedEvent>) => {
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setState(s => ({
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...s,
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focused: true,
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}))
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onFocusOuter?.(e)
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},
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[setState, onFocusOuter],
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)
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const onBlur = React.useCallback(
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(e: NativeSyntheticEvent<TargetedEvent>) => {
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setState(s => ({
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...s,
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focused: false,
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}))
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onBlurOuter?.(e)
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},
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[setState, onBlurOuter],
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)
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const {baseStyles, hoverStyles} = React.useMemo(() => {
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const baseStyles: ViewStyle[] = []
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const hoverStyles: ViewStyle[] = []
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if (color === 'primary') {
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if (variant === 'solid') {
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if (!disabled) {
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baseStyles.push({
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backgroundColor: t.palette.primary_500,
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})
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hoverStyles.push({
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backgroundColor: t.palette.primary_600,
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})
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} else {
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baseStyles.push({
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backgroundColor: select(t.name, {
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light: t.palette.primary_700,
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dim: t.palette.primary_300,
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dark: t.palette.primary_300,
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}),
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})
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}
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} else if (variant === 'outline') {
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baseStyles.push(a.border, t.atoms.bg, {
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borderWidth: 1,
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})
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if (!disabled) {
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baseStyles.push(a.border, {
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borderColor: t.palette.primary_500,
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})
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hoverStyles.push(a.border, {
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backgroundColor: t.palette.primary_50,
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})
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} else {
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baseStyles.push(a.border, {
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borderColor: t.palette.primary_200,
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})
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}
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} else if (variant === 'ghost') {
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if (!disabled) {
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baseStyles.push(t.atoms.bg)
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hoverStyles.push({
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backgroundColor: t.palette.primary_100,
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})
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}
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}
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} else if (color === 'secondary') {
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if (variant === 'solid') {
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if (!disabled) {
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baseStyles.push(t.atoms.bg_contrast_25)
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hoverStyles.push(t.atoms.bg_contrast_50)
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} else {
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baseStyles.push(t.atoms.bg_contrast_100)
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}
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} else if (variant === 'outline') {
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baseStyles.push(a.border, t.atoms.bg, {
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borderWidth: 1,
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})
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if (!disabled) {
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baseStyles.push(a.border, {
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borderColor: t.palette.contrast_300,
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})
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hoverStyles.push(t.atoms.bg_contrast_50)
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} else {
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baseStyles.push(a.border, {
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borderColor: t.palette.contrast_200,
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})
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}
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} else if (variant === 'ghost') {
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if (!disabled) {
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baseStyles.push(t.atoms.bg)
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hoverStyles.push({
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backgroundColor: t.palette.contrast_25,
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})
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}
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}
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} else if (color === 'secondary_inverted') {
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if (variant === 'solid') {
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if (!disabled) {
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baseStyles.push({
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backgroundColor: t.palette.contrast_900,
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})
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hoverStyles.push({
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backgroundColor: t.palette.contrast_950,
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})
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} else {
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baseStyles.push({
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backgroundColor: t.palette.contrast_600,
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})
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}
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} else if (variant === 'outline') {
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baseStyles.push(a.border, t.atoms.bg, {
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borderWidth: 1,
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})
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if (!disabled) {
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baseStyles.push(a.border, {
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borderColor: t.palette.contrast_300,
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})
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hoverStyles.push(t.atoms.bg_contrast_50)
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} else {
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baseStyles.push(a.border, {
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borderColor: t.palette.contrast_200,
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})
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}
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} else if (variant === 'ghost') {
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if (!disabled) {
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baseStyles.push(t.atoms.bg)
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hoverStyles.push({
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backgroundColor: t.palette.contrast_25,
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})
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}
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}
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} else if (color === 'negative') {
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if (variant === 'solid') {
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if (!disabled) {
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baseStyles.push({
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backgroundColor: t.palette.negative_500,
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})
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hoverStyles.push({
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backgroundColor: t.palette.negative_600,
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})
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} else {
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baseStyles.push({
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backgroundColor: select(t.name, {
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light: t.palette.negative_700,
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dim: t.palette.negative_300,
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dark: t.palette.negative_300,
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}),
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})
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}
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} else if (variant === 'outline') {
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baseStyles.push(a.border, t.atoms.bg, {
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borderWidth: 1,
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})
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if (!disabled) {
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baseStyles.push(a.border, {
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borderColor: t.palette.negative_500,
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})
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hoverStyles.push(a.border, {
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backgroundColor: t.palette.negative_50,
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})
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} else {
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baseStyles.push(a.border, {
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borderColor: t.palette.negative_200,
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})
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}
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} else if (variant === 'ghost') {
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if (!disabled) {
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baseStyles.push(t.atoms.bg)
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hoverStyles.push({
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backgroundColor: t.palette.negative_100,
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})
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}
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}
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} else if (color === 'negative_secondary') {
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if (variant === 'solid') {
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if (!disabled) {
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baseStyles.push({
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backgroundColor: select(t.name, {
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light: t.palette.negative_50,
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dim: t.palette.negative_100,
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dark: t.palette.negative_100,
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}),
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})
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hoverStyles.push({
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backgroundColor: select(t.name, {
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light: t.palette.negative_100,
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dim: t.palette.negative_200,
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dark: t.palette.negative_200,
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}),
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})
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} else {
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baseStyles.push({
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backgroundColor: select(t.name, {
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light: t.palette.negative_100,
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dim: t.palette.negative_50,
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dark: t.palette.negative_50,
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}),
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})
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}
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} else if (variant === 'outline') {
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baseStyles.push(a.border, t.atoms.bg, {
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borderWidth: 1,
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})
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if (!disabled) {
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baseStyles.push(a.border, {
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borderColor: t.palette.negative_500,
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})
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hoverStyles.push(a.border, {
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backgroundColor: t.palette.negative_50,
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})
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} else {
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baseStyles.push(a.border, {
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borderColor: t.palette.negative_200,
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})
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}
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} else if (variant === 'ghost') {
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if (!disabled) {
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baseStyles.push(t.atoms.bg)
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hoverStyles.push({
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backgroundColor: t.palette.negative_100,
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})
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}
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}
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}
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if (shape === 'default') {
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if (size === 'large') {
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baseStyles.push({
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paddingVertical: 13,
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paddingHorizontal: 20,
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borderRadius: 8,
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gap: 8,
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})
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} else if (size === 'small') {
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baseStyles.push({
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paddingVertical: 9,
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paddingHorizontal: 12,
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borderRadius: 6,
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gap: 6,
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})
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} else if (size === 'tiny') {
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baseStyles.push({
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paddingVertical: 4,
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paddingHorizontal: 8,
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borderRadius: 4,
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gap: 4,
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})
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}
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} else if (shape === 'round' || shape === 'square') {
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if (size === 'large') {
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if (shape === 'round') {
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baseStyles.push({height: 46, width: 46})
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} else {
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baseStyles.push({height: 44, width: 44})
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}
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} else if (size === 'small') {
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if (shape === 'round') {
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baseStyles.push({height: 34, width: 34})
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} else {
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baseStyles.push({height: 34, width: 34})
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}
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} else if (size === 'tiny') {
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if (shape === 'round') {
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baseStyles.push({height: 22, width: 22})
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} else {
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baseStyles.push({height: 21, width: 21})
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}
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}
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if (shape === 'round') {
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baseStyles.push(a.rounded_full)
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} else if (shape === 'square') {
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if (size === 'tiny') {
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baseStyles.push(a.rounded_xs)
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} else {
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baseStyles.push(a.rounded_sm)
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}
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}
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}
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return {
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baseStyles,
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hoverStyles,
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}
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}, [t, variant, color, size, shape, disabled])
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const gradientValues = React.useMemo(() => {
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const gradient = {
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primary: tokens.gradients.sky,
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secondary: tokens.gradients.sky,
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secondary_inverted: tokens.gradients.sky,
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negative: tokens.gradients.sky,
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negative_secondary: tokens.gradients.sky,
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gradient_primary: tokens.gradients.primary,
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gradient_sky: tokens.gradients.sky,
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gradient_midnight: tokens.gradients.midnight,
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gradient_sunrise: tokens.gradients.sunrise,
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gradient_sunset: tokens.gradients.sunset,
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gradient_nordic: tokens.gradients.nordic,
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gradient_bonfire: tokens.gradients.bonfire,
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}[color || 'primary']
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if (variant === 'gradient') {
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if (gradient.values.length < 2) {
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throw new Error(
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'Gradient buttons must have at least two colors in the gradient',
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)
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}
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return {
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colors: gradient.values.map(([_, color]) => color) as [
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string,
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string,
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...string[],
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],
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hoverColors: gradient.values.map(_ => gradient.hover_value) as [
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string,
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string,
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...string[],
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],
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locations: gradient.values.map(([location, _]) => location) as [
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number,
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number,
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...number[],
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],
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}
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}
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}, [variant, color])
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const context = React.useMemo<ButtonContext>(
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() => ({
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...state,
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variant,
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color,
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size,
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disabled: disabled || false,
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}),
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[state, variant, color, size, disabled],
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)
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const flattenedBaseStyles = flatten([baseStyles, style])
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return (
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<PressableComponent
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role="button"
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accessibilityHint={undefined} // optional
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{...rest}
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// @ts-ignore - this will always be a pressable
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ref={ref}
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aria-label={label}
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aria-pressed={state.pressed}
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accessibilityLabel={label}
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disabled={disabled || false}
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accessibilityState={{
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disabled: disabled || false,
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}}
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style={[
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a.flex_row,
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a.align_center,
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a.justify_center,
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flattenedBaseStyles,
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...(state.hovered || state.pressed
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? [hoverStyles, flatten(hoverStyleProp)]
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: []),
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]}
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onPressIn={onPressIn}
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onPressOut={onPressOut}
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onHoverIn={onHoverIn}
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onHoverOut={onHoverOut}
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onFocus={onFocus}
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onBlur={onBlur}>
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{variant === 'gradient' && gradientValues && (
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<View
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style={[
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a.absolute,
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a.inset_0,
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a.overflow_hidden,
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{borderRadius: flattenedBaseStyles.borderRadius},
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]}>
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<LinearGradient
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colors={
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state.hovered || state.pressed
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? gradientValues.hoverColors
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: gradientValues.colors
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}
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locations={gradientValues.locations}
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start={{x: 0, y: 0}}
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end={{x: 1, y: 1}}
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style={[a.absolute, a.inset_0]}
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/>
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</View>
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)}
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<Context.Provider value={context}>
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{typeof children === 'function' ? children(context) : children}
|
|
</Context.Provider>
|
|
</PressableComponent>
|
|
)
|
|
},
|
|
)
|
|
Button.displayName = 'Button'
|
|
|
|
export function useSharedButtonTextStyles() {
|
|
const t = useTheme()
|
|
const {color, variant, disabled, size} = useButtonContext()
|
|
return React.useMemo(() => {
|
|
const baseStyles: TextStyle[] = []
|
|
|
|
if (color === 'primary') {
|
|
if (variant === 'solid') {
|
|
if (!disabled) {
|
|
baseStyles.push({color: t.palette.white})
|
|
} else {
|
|
baseStyles.push({color: t.palette.white, opacity: 0.5})
|
|
}
|
|
} else if (variant === 'outline') {
|
|
if (!disabled) {
|
|
baseStyles.push({
|
|
color: t.palette.primary_600,
|
|
})
|
|
} else {
|
|
baseStyles.push({color: t.palette.primary_600, opacity: 0.5})
|
|
}
|
|
} else if (variant === 'ghost') {
|
|
if (!disabled) {
|
|
baseStyles.push({color: t.palette.primary_600})
|
|
} else {
|
|
baseStyles.push({color: t.palette.primary_600, opacity: 0.5})
|
|
}
|
|
}
|
|
} else if (color === 'secondary') {
|
|
if (variant === 'solid' || variant === 'gradient') {
|
|
if (!disabled) {
|
|
baseStyles.push({
|
|
color: t.palette.contrast_700,
|
|
})
|
|
} else {
|
|
baseStyles.push({
|
|
color: t.palette.contrast_400,
|
|
})
|
|
}
|
|
} else if (variant === 'outline') {
|
|
if (!disabled) {
|
|
baseStyles.push({
|
|
color: t.palette.contrast_600,
|
|
})
|
|
} else {
|
|
baseStyles.push({
|
|
color: t.palette.contrast_300,
|
|
})
|
|
}
|
|
} else if (variant === 'ghost') {
|
|
if (!disabled) {
|
|
baseStyles.push({
|
|
color: t.palette.contrast_600,
|
|
})
|
|
} else {
|
|
baseStyles.push({
|
|
color: t.palette.contrast_300,
|
|
})
|
|
}
|
|
}
|
|
} else if (color === 'secondary_inverted') {
|
|
if (variant === 'solid' || variant === 'gradient') {
|
|
if (!disabled) {
|
|
baseStyles.push({
|
|
color: t.palette.contrast_50,
|
|
})
|
|
} else {
|
|
baseStyles.push({
|
|
color: t.palette.contrast_400,
|
|
})
|
|
}
|
|
} else if (variant === 'outline') {
|
|
if (!disabled) {
|
|
baseStyles.push({
|
|
color: t.palette.contrast_600,
|
|
})
|
|
} else {
|
|
baseStyles.push({
|
|
color: t.palette.contrast_300,
|
|
})
|
|
}
|
|
} else if (variant === 'ghost') {
|
|
if (!disabled) {
|
|
baseStyles.push({
|
|
color: t.palette.contrast_600,
|
|
})
|
|
} else {
|
|
baseStyles.push({
|
|
color: t.palette.contrast_300,
|
|
})
|
|
}
|
|
}
|
|
} else if (color === 'negative') {
|
|
if (variant === 'solid' || variant === 'gradient') {
|
|
if (!disabled) {
|
|
baseStyles.push({color: t.palette.white})
|
|
} else {
|
|
baseStyles.push({color: t.palette.white, opacity: 0.5})
|
|
}
|
|
} else if (variant === 'outline') {
|
|
if (!disabled) {
|
|
baseStyles.push({color: t.palette.negative_400})
|
|
} else {
|
|
baseStyles.push({color: t.palette.negative_400, opacity: 0.5})
|
|
}
|
|
} else if (variant === 'ghost') {
|
|
if (!disabled) {
|
|
baseStyles.push({color: t.palette.negative_400})
|
|
} else {
|
|
baseStyles.push({color: t.palette.negative_400, opacity: 0.5})
|
|
}
|
|
}
|
|
} else if (color === 'negative_secondary') {
|
|
if (variant === 'solid' || variant === 'gradient') {
|
|
if (!disabled) {
|
|
baseStyles.push({
|
|
color: select(t.name, {
|
|
light: t.palette.negative_500,
|
|
dim: t.palette.negative_950,
|
|
dark: t.palette.negative_900,
|
|
}),
|
|
})
|
|
} else {
|
|
baseStyles.push({
|
|
color: select(t.name, {
|
|
light: t.palette.negative_500,
|
|
dim: t.palette.negative_700,
|
|
dark: t.palette.negative_700,
|
|
}),
|
|
opacity: 0.5,
|
|
})
|
|
}
|
|
} else if (variant === 'outline') {
|
|
if (!disabled) {
|
|
baseStyles.push({color: t.palette.negative_400})
|
|
} else {
|
|
baseStyles.push({color: t.palette.negative_400, opacity: 0.5})
|
|
}
|
|
} else if (variant === 'ghost') {
|
|
if (!disabled) {
|
|
baseStyles.push({color: t.palette.negative_400})
|
|
} else {
|
|
baseStyles.push({color: t.palette.negative_400, opacity: 0.5})
|
|
}
|
|
}
|
|
} else {
|
|
if (!disabled) {
|
|
baseStyles.push({color: t.palette.white})
|
|
} else {
|
|
baseStyles.push({color: t.palette.white, opacity: 0.5})
|
|
}
|
|
}
|
|
|
|
if (size === 'large') {
|
|
baseStyles.push(a.text_md, a.leading_tight)
|
|
} else if (size === 'small') {
|
|
baseStyles.push(a.text_sm, a.leading_tight)
|
|
} else if (size === 'tiny') {
|
|
baseStyles.push(a.text_xs, a.leading_tight)
|
|
}
|
|
|
|
return StyleSheet.flatten(baseStyles)
|
|
}, [t, variant, color, size, disabled])
|
|
}
|
|
|
|
export function ButtonText({children, style, ...rest}: ButtonTextProps) {
|
|
const textStyles = useSharedButtonTextStyles()
|
|
|
|
return (
|
|
<Text {...rest} style={[a.font_bold, a.text_center, textStyles, style]}>
|
|
{children}
|
|
</Text>
|
|
)
|
|
}
|
|
|
|
export function ButtonIcon({
|
|
icon: Comp,
|
|
position,
|
|
size,
|
|
}: {
|
|
icon: React.ComponentType<SVGIconProps>
|
|
position?: 'left' | 'right'
|
|
size?: SVGIconProps['size']
|
|
}) {
|
|
const {size: buttonSize, disabled} = useButtonContext()
|
|
const textStyles = useSharedButtonTextStyles()
|
|
const {iconSize, iconContainerSize} = React.useMemo(() => {
|
|
/**
|
|
* Pre-set icon sizes for different button sizes
|
|
*/
|
|
const iconSizeShorthand =
|
|
size ??
|
|
(({
|
|
large: 'sm',
|
|
small: 'sm',
|
|
tiny: 'xs',
|
|
}[buttonSize || 'small'] || 'sm') as Exclude<
|
|
SVGIconProps['size'],
|
|
undefined
|
|
>)
|
|
|
|
/*
|
|
* Copied here from icons/common.tsx so we can tweak if we need to, but
|
|
* also so that we can calculate transforms.
|
|
*/
|
|
const iconSize = {
|
|
xs: 12,
|
|
sm: 16,
|
|
md: 20,
|
|
lg: 24,
|
|
xl: 28,
|
|
'2xl': 32,
|
|
}[iconSizeShorthand]
|
|
|
|
/*
|
|
* Goal here is to match rendered text size so that different size icons
|
|
* don't increase button size
|
|
*/
|
|
const iconContainerSize = {
|
|
large: 18,
|
|
small: 16,
|
|
tiny: 13,
|
|
}[buttonSize || 'small']
|
|
|
|
return {
|
|
iconSize,
|
|
iconContainerSize,
|
|
}
|
|
}, [buttonSize, size])
|
|
|
|
return (
|
|
<View
|
|
style={[
|
|
a.z_20,
|
|
{
|
|
width: iconContainerSize,
|
|
height: iconContainerSize,
|
|
opacity: disabled ? 0.7 : 1,
|
|
marginLeft: position === 'left' ? -2 : 0,
|
|
marginRight: position === 'right' ? -2 : 0,
|
|
},
|
|
]}>
|
|
<View
|
|
style={[
|
|
a.absolute,
|
|
{
|
|
width: iconSize,
|
|
height: iconSize,
|
|
top: '50%',
|
|
left: '50%',
|
|
transform: [
|
|
{
|
|
translateX: (iconSize / 2) * -1,
|
|
},
|
|
{
|
|
translateY: (iconSize / 2) * -1,
|
|
},
|
|
],
|
|
},
|
|
]}>
|
|
<Comp
|
|
width={iconSize}
|
|
style={[
|
|
{
|
|
color: textStyles.color,
|
|
pointerEvents: 'none',
|
|
},
|
|
]}
|
|
/>
|
|
</View>
|
|
</View>
|
|
)
|
|
}
|