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button.js
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button.js
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const baseStyle = {
fontFamily: 'fontFamilies.ui',
border: '1px solid transparent',
borderRadius: 'radii.1',
color: (theme, { color }) => theme.colors[color] || color || 'colors.default',
transition: 'box-shadow 80ms ease-in-out',
selectors: {
_focus: {
boxShadow: 'shadows.focusRing'
},
_disabled: {
cursor: 'not-allowed',
pointerEvents: 'none'
}
}
}
const colorKeyForAppearanceOrIntent = (appearance, intent) => {
if (appearance === 'destructive') {
return 'red'
}
switch (intent) {
case 'success':
return 'green'
case 'danger':
return 'red'
default:
return 'blue'
}
}
const colorKeyForIntent = intent => {
if (intent === 'danger') {
return `red500`
} else if (intent === 'success') {
return `green500`
} else {
return `gray800`
}
}
const borderColorForIntent = (intent, isHover) => {
if (intent === 'danger') {
return `red${isHover ? 500 : 300}`
} else if (intent === 'success') {
return `green${isHover ? 400 : 300}`
} else {
return `gray${isHover ? 600 : 500}`
}
}
const getPrimaryButtonAppearance = (appearance, intent, textColor, theme) => {
const color = colorKeyForAppearanceOrIntent(appearance, intent)
return {
backgroundColor: `colors.${color}500`,
borderColor: `colors.${color}500`,
color: textColor || 'white',
selectors: {
_hover: {
backgroundColor: `colors.${color}600`,
borderColor: `colors.${color}600`
},
_disabled: {
backgroundColor: `colors.${color}100`,
borderColor: `colors.${color}100`
},
_focus: {
backgroundColor: `colors.${color}500`,
boxShadow: `0 0 0 2px ${theme && theme.colors[`${color}100`]}`,
borderColor: `colors.${color}500`
},
_active: {
backgroundColor: `colors.${color}700`,
borderColor: `colors.${color}700`
}
}
}
}
const appearances = {
primary: (theme, { appearance, color, intent }) => getPrimaryButtonAppearance(appearance, intent, color, theme),
default: {
backgroundColor: 'white',
border: (theme, props) => `1px solid ${theme.colors[borderColorForIntent(props.intent)]}`,
color: (theme, props) => props.color || theme.colors[colorKeyForIntent(props.intent)],
selectors: {
_disabled: {
color: 'colors.gray500',
borderColor: 'colors.gray300'
},
_hover: {
border: (theme, props) => `1px solid ${theme.colors[borderColorForIntent(props.intent, true)]}`,
backgroundColor: 'colors.gray50'
},
_active: {
backgroundColor: 'colors.gray100'
}
}
},
minimal: {
backgroundColor: 'transparent',
color: (theme, props) => props.color || theme.colors[colorKeyForIntent(props.intent)],
selectors: {
_disabled: {
color: 'colors.gray500',
opacity: 0.6
},
_hover: {
backgroundColor: 'colors.gray100'
},
_active: {
backgroundColor: 'colors.gray200'
}
}
},
destructive: getPrimaryButtonAppearance('destructive')
}
const sizes = {
small: {
height: 24,
minWidth: 24,
fontSize: 'fontSizes.1',
lineHeight: '24px',
paddingLeft: 12,
paddingRight: 12
},
medium: {
height: 32,
minWidth: 32,
fontSize: 'fontSizes.1',
lineHeight: '32px',
paddingLeft: 16,
paddingRight: 16
},
large: {
height: 40,
minWidth: 40,
fontSize: 'fontSizes.2',
lineHeight: '40px',
paddingLeft: 20,
paddingRight: 20
}
}
export default {
baseStyle,
appearances,
sizes
}