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export default {
name: 'Button', // Name of the component
selector: '.button-default', // CSS selector/prefix
// outOfTreeSelector: '' // out-of-tree selector is used when other components are laid over it but it's not part of the tree, see Underlay component
// States, system witll calculate ALL possible combinations of those and prepend "normal" to them + standalone "normal" state
states: {
// States are a bit expensive - the amount of combinations generated is about (1/6)n^3+n, so adding more state increased number of combination by an order of magnitude!
// All states inherit from "normal" state, there is no other inheirtance, i.e. hover+disabled only inherits from "normal", not from hover nor disabled.
// However, cascading still works, so resulting state will be result of merging of all relevant states/variants
// normal: '' // normal state is implicitly added, it is always included
toggled: '.toggled',
pressed: ':active',
hover: ':hover:not(:disabled)',
focused: ':focus-within',
disabled: ':disabled'
},
// Variants are mutually exclusive, each component implicitly has "normal" variant, and all other variants inherit from it.
variants: {
// Variants save on computation time since adding new variant just adds one more "set".
// normal: '', // you can override normal variant, it will be appenended to the main class
danger: '.danger'
// Overall the compuation difficulty is N*((1/6)M^3+M) where M is number of distinct states and N is number of variants.
// This (currently) is further multipled by number of places where component can exist.
},
// This lists all other components that can possibly exist within one. Recursion is currently not supported (and probably won't be supported ever).
validInnerComponents: [
'Text',
'Icon'
],
// Default rules, used as "default theme", essentially.
defaultRules: [
{
component: 'Root',
directives: {
'--defaultButtonHoverGlow': 'shadow | 0 0 4 --text',
'--defaultButtonShadow': 'shadow | 0 0 2 #000000',
'--defaultButtonBevel': 'shadow | $borderSide(#FFFFFF, top, 0.2), $borderSide(#000000, bottom, 0.2)',
'--pressedButtonBevel': 'shadow | $borderSide(#FFFFFF, bottom, 0.2), $borderSide(#000000, top, 0.2)'
}
},
{
// component: 'Button', // no need to specify components every time unless you're specifying how other component should look
// like within it
directives: {
background: '--fg',
shadow: ['--defaultButtonShadow', '--defaultButtonBevel'],
roundness: 3
}
},
{
state: ['hover'],
directives: {
shadow: ['--defaultButtonHoverGlow', '--defaultButtonBevel']
}
},
{
state: ['pressed'],
directives: {
shadow: ['--defaultButtonShadow', '--pressedButtonBevel']
}
},
{
state: ['hover', 'pressed'],
directives: {
shadow: ['--defaultButtonHoverGlow', '--pressedButtonBevel']
}
},
{
state: ['toggled'],
directives: {
background: '--inheritedBackground,-14.2',
shadow: ['--defaultButtonShadow', '--pressedButtonBevel']
}
},
{
state: ['toggled', 'hover'],
directives: {
background: '--inheritedBackground,-14.2',
shadow: ['--defaultButtonHoverGlow', '--pressedButtonBevel']
}
},
{
state: ['disabled'],
directives: {
background: '$blend(--inheritedBackground, 0.25, --parent)',
shadow: ['--defaultButtonBevel']
}
},
{
component: 'Text',
parent: {
component: 'Button',
state: ['disabled']
},
directives: {
textOpacity: 0.25,
textOpacityMode: 'blend'
}
}
]
}
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