26 lines
712 B
JavaScript
26 lines
712 B
JavaScript
import { crossfade } from 'svelte/transition'
|
|
import { quartOut } from 'svelte/easing'
|
|
|
|
// Crossfade transition
|
|
export const [send, receive] = crossfade({
|
|
duration: d => Math.sqrt(d * 200),
|
|
fallback: (node, params) => {
|
|
const {
|
|
duration = 600,
|
|
easing = quartOut,
|
|
start = 0.85
|
|
} = params
|
|
const style = getComputedStyle(node)
|
|
const transform = style.transform === 'none' ? '' : style.transform
|
|
const sd = 1 - start
|
|
return {
|
|
duration,
|
|
easing,
|
|
css: (t, u) => `
|
|
transform: ${transform} scale(${1 - (sd * u)});
|
|
opacity: ${t}
|
|
`
|
|
}
|
|
}
|
|
})
|