forked from coracle/flotilla
Jon Staab
47 lines
2.0 KiB
TypeScript
47 lines
2.0 KiB
TypeScript
// @ts-nocheck
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import {cubicOut} from 'svelte/easing'
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import type {FlyParams} from "svelte/transition"
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import {fly as baseFly} from "svelte/transition"
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export {fade, slide} from "svelte/transition"
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export const fly = (node: Element, params?: FlyParams | undefined) =>
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baseFly(node, {y: 20, ...params})
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// Copy-pasted and tweaked from slide source code
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export function slideAndFade(node: any, { delay = 0, duration = 400, easing = cubicOut, axis = 'y' } = {}) {
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const style = getComputedStyle(node)
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const opacity = +style.opacity
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const primary_property = axis === 'y' ? 'height' : 'width'
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const primary_property_value = parseFloat(style[primary_property])
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const secondary_properties = axis === 'y' ? ['top', 'bottom'] : ['left', 'right']
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const capitalized_secondary_properties = secondary_properties.map(
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(e: string) => `${e[0].toUpperCase()}${e.slice(1)}`
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)
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const padding_start_value = parseFloat(style[`padding${capitalized_secondary_properties[0]}`])
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const padding_end_value = parseFloat(style[`padding${capitalized_secondary_properties[1]}`])
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const margin_start_value = parseFloat(style[`margin${capitalized_secondary_properties[0]}`])
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const margin_end_value = parseFloat(style[`margin${capitalized_secondary_properties[1]}`])
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const border_width_start_value = parseFloat(
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style[`border${capitalized_secondary_properties[0]}Width`]
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)
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const border_width_end_value = parseFloat(
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style[`border${capitalized_secondary_properties[1]}Width`]
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)
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return {
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delay,
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duration,
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easing,
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css: (t: number) =>
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'overflow: hidden;' +
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`opacity: ${t};` +
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`${primary_property}: ${t * primary_property_value}px;` +
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`padding-${secondary_properties[0]}: ${t * padding_start_value}px;` +
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`padding-${secondary_properties[1]}: ${t * padding_end_value}px;` +
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`margin-${secondary_properties[0]}: ${t * margin_start_value}px;` +
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`margin-${secondary_properties[1]}: ${t * margin_end_value}px;` +
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`border-${secondary_properties[0]}-width: ${t * border_width_start_value}px;` +
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`border-${secondary_properties[1]}-width: ${t * border_width_end_value}px;`
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}
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}
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