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|
import React from 'react'
import {
GestureResponderEvent,
StyleProp,
StyleSheet,
TextStyle,
Pressable,
ViewStyle,
PressableStateCallbackType,
ActivityIndicator,
View,
} from 'react-native'
import {Text} from '../text/Text'
import {useTheme} from 'lib/ThemeContext'
import {choose} from 'lib/functions'
type Event =
| React.MouseEvent<HTMLAnchorElement, MouseEvent>
| GestureResponderEvent
export type ButtonType =
| 'primary'
| 'secondary'
| 'default'
| 'inverted'
| 'primary-outline'
| 'secondary-outline'
| 'primary-light'
| 'secondary-light'
| 'default-light'
// Augment type for react-native-web (see https://github.com/necolas/react-native-web/issues/1684#issuecomment-766451866)
declare module 'react-native' {
interface PressableStateCallbackType {
hovered?: boolean
focused?: boolean
}
}
// TODO: Enforce that button always has a label
export function Button({
type = 'primary',
label,
style,
labelContainerStyle,
labelStyle,
onPress,
children,
testID,
accessibilityLabel,
accessibilityHint,
accessibilityLabelledBy,
onAccessibilityEscape,
withLoading = false,
}: React.PropsWithChildren<{
type?: ButtonType
label?: string
style?: StyleProp<ViewStyle>
labelContainerStyle?: StyleProp<ViewStyle>
labelStyle?: StyleProp<TextStyle>
onPress?: () => void | Promise<void>
testID?: string
accessibilityLabel?: string
accessibilityHint?: string
accessibilityLabelledBy?: string
onAccessibilityEscape?: () => void
withLoading?: boolean
}>) {
const theme = useTheme()
const typeOuterStyle = choose<ViewStyle, Record<ButtonType, ViewStyle>>(
type,
{
primary: {
backgroundColor: theme.palette.primary.background,
},
secondary: {
backgroundColor: theme.palette.secondary.background,
},
default: {
backgroundColor: theme.palette.default.backgroundLight,
},
inverted: {
backgroundColor: theme.palette.inverted.background,
},
'primary-outline': {
backgroundColor: theme.palette.default.background,
borderWidth: 1,
borderColor: theme.palette.primary.border,
},
'secondary-outline': {
backgroundColor: theme.palette.default.background,
borderWidth: 1,
borderColor: theme.palette.secondary.border,
},
'primary-light': {
backgroundColor: theme.palette.default.background,
},
'secondary-light': {
backgroundColor: theme.palette.default.background,
},
'default-light': {
backgroundColor: theme.palette.default.background,
},
},
)
const typeLabelStyle = choose<TextStyle, Record<ButtonType, TextStyle>>(
type,
{
primary: {
color: theme.palette.primary.text,
fontWeight: '600',
},
secondary: {
color: theme.palette.secondary.text,
fontWeight: theme.palette.secondary.isLowContrast ? '500' : undefined,
},
default: {
color: theme.palette.default.text,
},
inverted: {
color: theme.palette.inverted.text,
fontWeight: '600',
},
'primary-outline': {
color: theme.palette.primary.textInverted,
fontWeight: theme.palette.primary.isLowContrast ? '500' : undefined,
},
'secondary-outline': {
color: theme.palette.secondary.textInverted,
fontWeight: theme.palette.secondary.isLowContrast ? '500' : undefined,
},
'primary-light': {
color: theme.palette.primary.textInverted,
fontWeight: theme.palette.primary.isLowContrast ? '500' : undefined,
},
'secondary-light': {
color: theme.palette.secondary.textInverted,
fontWeight: theme.palette.secondary.isLowContrast ? '500' : undefined,
},
'default-light': {
color: theme.palette.default.text,
fontWeight: theme.palette.default.isLowContrast ? '500' : undefined,
},
},
)
const [isLoading, setIsLoading] = React.useState(false)
const onPressWrapped = React.useCallback(
async (event: Event) => {
event.stopPropagation()
event.preventDefault()
withLoading && setIsLoading(true)
await onPress?.()
withLoading && setIsLoading(false)
},
[onPress, withLoading],
)
const getStyle = React.useCallback(
(state: PressableStateCallbackType) => {
const arr = [typeOuterStyle, styles.outer, style]
if (state.pressed) {
arr.push({opacity: 0.6})
} else if (state.hovered) {
arr.push({opacity: 0.8})
}
return arr
},
[typeOuterStyle, style],
)
const renderChildern = React.useCallback(() => {
if (!label) {
return children
}
return (
<View style={[styles.labelContainer, labelContainerStyle]}>
{label && withLoading && isLoading ? (
<ActivityIndicator size={12} color={typeLabelStyle.color} />
) : null}
<Text type="button" style={[typeLabelStyle, labelStyle]}>
{label}
</Text>
</View>
)
}, [
children,
label,
withLoading,
isLoading,
labelContainerStyle,
typeLabelStyle,
labelStyle,
])
return (
<Pressable
style={getStyle}
onPress={onPressWrapped}
disabled={isLoading}
testID={testID}
accessibilityRole="button"
accessibilityLabel={accessibilityLabel}
accessibilityHint={accessibilityHint}
accessibilityLabelledBy={accessibilityLabelledBy}
onAccessibilityEscape={onAccessibilityEscape}>
{renderChildern}
</Pressable>
)
}
const styles = StyleSheet.create({
outer: {
paddingHorizontal: 14,
paddingVertical: 8,
borderRadius: 24,
},
labelContainer: {
flexDirection: 'row',
gap: 8,
},
})
|
